element as the fragment context if no context element was provided,\n //so we will parse in a \"forgiving\" manner\n fragmentContext !== null && fragmentContext !== void 0 ? fragmentContext : (fragmentContext = opts.treeAdapter.createElement(TN.TEMPLATE, NS.HTML, []));\n //NOTE: create a fake element which will be used as the `document` for fragment parsing.\n //This is important for jsdom, where a new `document` cannot be created. This led to\n //fragment parsing messing with the main `document`.\n const documentMock = opts.treeAdapter.createElement('documentmock', NS.HTML, []);\n const parser = new this(opts, documentMock, fragmentContext);\n if (parser.fragmentContextID === $.TEMPLATE) {\n parser.tmplInsertionModeStack.unshift(InsertionMode.IN_TEMPLATE);\n }\n parser._initTokenizerForFragmentParsing();\n parser._insertFakeRootElement();\n parser._resetInsertionMode();\n parser._findFormInFragmentContext();\n return parser;\n }\n getFragment() {\n const rootElement = this.treeAdapter.getFirstChild(this.document);\n const fragment = this.treeAdapter.createDocumentFragment();\n this._adoptNodes(rootElement, fragment);\n return fragment;\n }\n //Errors\n _err(token, code, beforeToken) {\n var _a;\n if (!this.onParseError)\n return;\n const loc = (_a = token.location) !== null && _a !== void 0 ? _a : BASE_LOC;\n const err = {\n code,\n startLine: loc.startLine,\n startCol: loc.startCol,\n startOffset: loc.startOffset,\n endLine: beforeToken ? loc.startLine : loc.endLine,\n endCol: beforeToken ? loc.startCol : loc.endCol,\n endOffset: beforeToken ? loc.startOffset : loc.endOffset,\n };\n this.onParseError(err);\n }\n //Stack events\n onItemPush(node, tid, isTop) {\n var _a, _b;\n (_b = (_a = this.treeAdapter).onItemPush) === null || _b === void 0 ? void 0 : _b.call(_a, node);\n if (isTop && this.openElements.stackTop > 0)\n this._setContextModes(node, tid);\n }\n onItemPop(node, isTop) {\n var _a, _b;\n if (this.options.sourceCodeLocationInfo) {\n this._setEndLocation(node, this.currentToken);\n }\n (_b = (_a = this.treeAdapter).onItemPop) === null || _b === void 0 ? void 0 : _b.call(_a, node, this.openElements.current);\n if (isTop) {\n let current;\n let currentTagId;\n if (this.openElements.stackTop === 0 && this.fragmentContext) {\n current = this.fragmentContext;\n currentTagId = this.fragmentContextID;\n }\n else {\n ({ current, currentTagId } = this.openElements);\n }\n this._setContextModes(current, currentTagId);\n }\n }\n _setContextModes(current, tid) {\n const isHTML = current === this.document || this.treeAdapter.getNamespaceURI(current) === NS.HTML;\n this.currentNotInHTML = !isHTML;\n this.tokenizer.inForeignNode = !isHTML && !this._isIntegrationPoint(tid, current);\n }\n _switchToTextParsing(currentToken, nextTokenizerState) {\n this._insertElement(currentToken, NS.HTML);\n this.tokenizer.state = nextTokenizerState;\n this.originalInsertionMode = this.insertionMode;\n this.insertionMode = InsertionMode.TEXT;\n }\n switchToPlaintextParsing() {\n this.insertionMode = InsertionMode.TEXT;\n this.originalInsertionMode = InsertionMode.IN_BODY;\n this.tokenizer.state = TokenizerMode.PLAINTEXT;\n }\n //Fragment parsing\n _getAdjustedCurrentElement() {\n return this.openElements.stackTop === 0 && this.fragmentContext\n ? this.fragmentContext\n : this.openElements.current;\n }\n _findFormInFragmentContext() {\n let node = this.fragmentContext;\n while (node) {\n if (this.treeAdapter.getTagName(node) === TN.FORM) {\n this.formElement = node;\n break;\n }\n node = this.treeAdapter.getParentNode(node);\n }\n }\n _initTokenizerForFragmentParsing() {\n if (!this.fragmentContext || this.treeAdapter.getNamespaceURI(this.fragmentContext) !== NS.HTML) {\n return;\n }\n switch (this.fragmentContextID) {\n case $.TITLE:\n case $.TEXTAREA: {\n this.tokenizer.state = TokenizerMode.RCDATA;\n break;\n }\n case $.STYLE:\n case $.XMP:\n case $.IFRAME:\n case $.NOEMBED:\n case $.NOFRAMES:\n case $.NOSCRIPT: {\n this.tokenizer.state = TokenizerMode.RAWTEXT;\n break;\n }\n case $.SCRIPT: {\n this.tokenizer.state = TokenizerMode.SCRIPT_DATA;\n break;\n }\n case $.PLAINTEXT: {\n this.tokenizer.state = TokenizerMode.PLAINTEXT;\n break;\n }\n default:\n // Do nothing\n }\n }\n //Tree mutation\n _setDocumentType(token) {\n const name = token.name || '';\n const publicId = token.publicId || '';\n const systemId = token.systemId || '';\n this.treeAdapter.setDocumentType(this.document, name, publicId, systemId);\n if (token.location) {\n const documentChildren = this.treeAdapter.getChildNodes(this.document);\n const docTypeNode = documentChildren.find((node) => this.treeAdapter.isDocumentTypeNode(node));\n if (docTypeNode) {\n this.treeAdapter.setNodeSourceCodeLocation(docTypeNode, token.location);\n }\n }\n }\n _attachElementToTree(element, location) {\n if (this.options.sourceCodeLocationInfo) {\n const loc = location && {\n ...location,\n startTag: location,\n };\n this.treeAdapter.setNodeSourceCodeLocation(element, loc);\n }\n if (this._shouldFosterParentOnInsertion()) {\n this._fosterParentElement(element);\n }\n else {\n const parent = this.openElements.currentTmplContentOrNode;\n this.treeAdapter.appendChild(parent, element);\n }\n }\n _appendElement(token, namespaceURI) {\n const element = this.treeAdapter.createElement(token.tagName, namespaceURI, token.attrs);\n this._attachElementToTree(element, token.location);\n }\n _insertElement(token, namespaceURI) {\n const element = this.treeAdapter.createElement(token.tagName, namespaceURI, token.attrs);\n this._attachElementToTree(element, token.location);\n this.openElements.push(element, token.tagID);\n }\n _insertFakeElement(tagName, tagID) {\n const element = this.treeAdapter.createElement(tagName, NS.HTML, []);\n this._attachElementToTree(element, null);\n this.openElements.push(element, tagID);\n }\n _insertTemplate(token) {\n const tmpl = this.treeAdapter.createElement(token.tagName, NS.HTML, token.attrs);\n const content = this.treeAdapter.createDocumentFragment();\n this.treeAdapter.setTemplateContent(tmpl, content);\n this._attachElementToTree(tmpl, token.location);\n this.openElements.push(tmpl, token.tagID);\n if (this.options.sourceCodeLocationInfo)\n this.treeAdapter.setNodeSourceCodeLocation(content, null);\n }\n _insertFakeRootElement() {\n const element = this.treeAdapter.createElement(TN.HTML, NS.HTML, []);\n if (this.options.sourceCodeLocationInfo)\n this.treeAdapter.setNodeSourceCodeLocation(element, null);\n this.treeAdapter.appendChild(this.openElements.current, element);\n this.openElements.push(element, $.HTML);\n }\n _appendCommentNode(token, parent) {\n const commentNode = this.treeAdapter.createCommentNode(token.data);\n this.treeAdapter.appendChild(parent, commentNode);\n if (this.options.sourceCodeLocationInfo) {\n this.treeAdapter.setNodeSourceCodeLocation(commentNode, token.location);\n }\n }\n _insertCharacters(token) {\n let parent;\n let beforeElement;\n if (this._shouldFosterParentOnInsertion()) {\n ({ parent, beforeElement } = this._findFosterParentingLocation());\n if (beforeElement) {\n this.treeAdapter.insertTextBefore(parent, token.chars, beforeElement);\n }\n else {\n this.treeAdapter.insertText(parent, token.chars);\n }\n }\n else {\n parent = this.openElements.currentTmplContentOrNode;\n this.treeAdapter.insertText(parent, token.chars);\n }\n if (!token.location)\n return;\n const siblings = this.treeAdapter.getChildNodes(parent);\n const textNodeIdx = beforeElement ? siblings.lastIndexOf(beforeElement) : siblings.length;\n const textNode = siblings[textNodeIdx - 1];\n //NOTE: if we have a location assigned by another token, then just update the end position\n const tnLoc = this.treeAdapter.getNodeSourceCodeLocation(textNode);\n if (tnLoc) {\n const { endLine, endCol, endOffset } = token.location;\n this.treeAdapter.updateNodeSourceCodeLocation(textNode, { endLine, endCol, endOffset });\n }\n else if (this.options.sourceCodeLocationInfo) {\n this.treeAdapter.setNodeSourceCodeLocation(textNode, token.location);\n }\n }\n _adoptNodes(donor, recipient) {\n for (let child = this.treeAdapter.getFirstChild(donor); child; child = this.treeAdapter.getFirstChild(donor)) {\n this.treeAdapter.detachNode(child);\n this.treeAdapter.appendChild(recipient, child);\n }\n }\n _setEndLocation(element, closingToken) {\n if (this.treeAdapter.getNodeSourceCodeLocation(element) && closingToken.location) {\n const ctLoc = closingToken.location;\n const tn = this.treeAdapter.getTagName(element);\n const endLoc = \n // NOTE: For cases like
- First 'p' closes without a closing\n // tag and for cases like - 'p' closes without a closing tag.\n closingToken.type === TokenType.END_TAG && tn === closingToken.tagName\n ? {\n endTag: { ...ctLoc },\n endLine: ctLoc.endLine,\n endCol: ctLoc.endCol,\n endOffset: ctLoc.endOffset,\n }\n : {\n endLine: ctLoc.startLine,\n endCol: ctLoc.startCol,\n endOffset: ctLoc.startOffset,\n };\n this.treeAdapter.updateNodeSourceCodeLocation(element, endLoc);\n }\n }\n //Token processing\n shouldProcessStartTagTokenInForeignContent(token) {\n // Check that neither current === document, or ns === NS.HTML\n if (!this.currentNotInHTML)\n return false;\n let current;\n let currentTagId;\n if (this.openElements.stackTop === 0 && this.fragmentContext) {\n current = this.fragmentContext;\n currentTagId = this.fragmentContextID;\n }\n else {\n ({ current, currentTagId } = this.openElements);\n }\n if (token.tagID === $.SVG &&\n this.treeAdapter.getTagName(current) === TN.ANNOTATION_XML &&\n this.treeAdapter.getNamespaceURI(current) === NS.MATHML) {\n return false;\n }\n return (\n // Check that `current` is not an integration point for HTML or MathML elements.\n this.tokenizer.inForeignNode ||\n // If it _is_ an integration point, then we might have to check that it is not an HTML\n // integration point.\n ((token.tagID === $.MGLYPH || token.tagID === $.MALIGNMARK) &&\n !this._isIntegrationPoint(currentTagId, current, NS.HTML)));\n }\n _processToken(token) {\n switch (token.type) {\n case TokenType.CHARACTER: {\n this.onCharacter(token);\n break;\n }\n case TokenType.NULL_CHARACTER: {\n this.onNullCharacter(token);\n break;\n }\n case TokenType.COMMENT: {\n this.onComment(token);\n break;\n }\n case TokenType.DOCTYPE: {\n this.onDoctype(token);\n break;\n }\n case TokenType.START_TAG: {\n this._processStartTag(token);\n break;\n }\n case TokenType.END_TAG: {\n this.onEndTag(token);\n break;\n }\n case TokenType.EOF: {\n this.onEof(token);\n break;\n }\n case TokenType.WHITESPACE_CHARACTER: {\n this.onWhitespaceCharacter(token);\n break;\n }\n }\n }\n //Integration points\n _isIntegrationPoint(tid, element, foreignNS) {\n const ns = this.treeAdapter.getNamespaceURI(element);\n const attrs = this.treeAdapter.getAttrList(element);\n return foreignContent.isIntegrationPoint(tid, ns, attrs, foreignNS);\n }\n //Active formatting elements reconstruction\n _reconstructActiveFormattingElements() {\n const listLength = this.activeFormattingElements.entries.length;\n if (listLength) {\n const endIndex = this.activeFormattingElements.entries.findIndex((entry) => entry.type === EntryType.Marker || this.openElements.contains(entry.element));\n const unopenIdx = endIndex < 0 ? listLength - 1 : endIndex - 1;\n for (let i = unopenIdx; i >= 0; i--) {\n const entry = this.activeFormattingElements.entries[i];\n this._insertElement(entry.token, this.treeAdapter.getNamespaceURI(entry.element));\n entry.element = this.openElements.current;\n }\n }\n }\n //Close elements\n _closeTableCell() {\n this.openElements.generateImpliedEndTags();\n this.openElements.popUntilTableCellPopped();\n this.activeFormattingElements.clearToLastMarker();\n this.insertionMode = InsertionMode.IN_ROW;\n }\n _closePElement() {\n this.openElements.generateImpliedEndTagsWithExclusion($.P);\n this.openElements.popUntilTagNamePopped($.P);\n }\n //Insertion modes\n _resetInsertionMode() {\n for (let i = this.openElements.stackTop; i >= 0; i--) {\n //Insertion mode reset map\n switch (i === 0 && this.fragmentContext ? this.fragmentContextID : this.openElements.tagIDs[i]) {\n case $.TR: {\n this.insertionMode = InsertionMode.IN_ROW;\n return;\n }\n case $.TBODY:\n case $.THEAD:\n case $.TFOOT: {\n this.insertionMode = InsertionMode.IN_TABLE_BODY;\n return;\n }\n case $.CAPTION: {\n this.insertionMode = InsertionMode.IN_CAPTION;\n return;\n }\n case $.COLGROUP: {\n this.insertionMode = InsertionMode.IN_COLUMN_GROUP;\n return;\n }\n case $.TABLE: {\n this.insertionMode = InsertionMode.IN_TABLE;\n return;\n }\n case $.BODY: {\n this.insertionMode = InsertionMode.IN_BODY;\n return;\n }\n case $.FRAMESET: {\n this.insertionMode = InsertionMode.IN_FRAMESET;\n return;\n }\n case $.SELECT: {\n this._resetInsertionModeForSelect(i);\n return;\n }\n case $.TEMPLATE: {\n this.insertionMode = this.tmplInsertionModeStack[0];\n return;\n }\n case $.HTML: {\n this.insertionMode = this.headElement ? InsertionMode.AFTER_HEAD : InsertionMode.BEFORE_HEAD;\n return;\n }\n case $.TD:\n case $.TH: {\n if (i > 0) {\n this.insertionMode = InsertionMode.IN_CELL;\n return;\n }\n break;\n }\n case $.HEAD: {\n if (i > 0) {\n this.insertionMode = InsertionMode.IN_HEAD;\n return;\n }\n break;\n }\n }\n }\n this.insertionMode = InsertionMode.IN_BODY;\n }\n _resetInsertionModeForSelect(selectIdx) {\n if (selectIdx > 0) {\n for (let i = selectIdx - 1; i > 0; i--) {\n const tn = this.openElements.tagIDs[i];\n if (tn === $.TEMPLATE) {\n break;\n }\n else if (tn === $.TABLE) {\n this.insertionMode = InsertionMode.IN_SELECT_IN_TABLE;\n return;\n }\n }\n }\n this.insertionMode = InsertionMode.IN_SELECT;\n }\n //Foster parenting\n _isElementCausesFosterParenting(tn) {\n return TABLE_STRUCTURE_TAGS.has(tn);\n }\n _shouldFosterParentOnInsertion() {\n return this.fosterParentingEnabled && this._isElementCausesFosterParenting(this.openElements.currentTagId);\n }\n _findFosterParentingLocation() {\n for (let i = this.openElements.stackTop; i >= 0; i--) {\n const openElement = this.openElements.items[i];\n switch (this.openElements.tagIDs[i]) {\n case $.TEMPLATE: {\n if (this.treeAdapter.getNamespaceURI(openElement) === NS.HTML) {\n return { parent: this.treeAdapter.getTemplateContent(openElement), beforeElement: null };\n }\n break;\n }\n case $.TABLE: {\n const parent = this.treeAdapter.getParentNode(openElement);\n if (parent) {\n return { parent, beforeElement: openElement };\n }\n return { parent: this.openElements.items[i - 1], beforeElement: null };\n }\n default:\n // Do nothing\n }\n }\n return { parent: this.openElements.items[0], beforeElement: null };\n }\n _fosterParentElement(element) {\n const location = this._findFosterParentingLocation();\n if (location.beforeElement) {\n this.treeAdapter.insertBefore(location.parent, element, location.beforeElement);\n }\n else {\n this.treeAdapter.appendChild(location.parent, element);\n }\n }\n //Special elements\n _isSpecialElement(element, id) {\n const ns = this.treeAdapter.getNamespaceURI(element);\n return SPECIAL_ELEMENTS[ns].has(id);\n }\n onCharacter(token) {\n this.skipNextNewLine = false;\n if (this.tokenizer.inForeignNode) {\n characterInForeignContent(this, token);\n return;\n }\n switch (this.insertionMode) {\n case InsertionMode.INITIAL: {\n tokenInInitialMode(this, token);\n break;\n }\n case InsertionMode.BEFORE_HTML: {\n tokenBeforeHtml(this, token);\n break;\n }\n case InsertionMode.BEFORE_HEAD: {\n tokenBeforeHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD: {\n tokenInHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD_NO_SCRIPT: {\n tokenInHeadNoScript(this, token);\n break;\n }\n case InsertionMode.AFTER_HEAD: {\n tokenAfterHead(this, token);\n break;\n }\n case InsertionMode.IN_BODY:\n case InsertionMode.IN_CAPTION:\n case InsertionMode.IN_CELL:\n case InsertionMode.IN_TEMPLATE: {\n characterInBody(this, token);\n break;\n }\n case InsertionMode.TEXT:\n case InsertionMode.IN_SELECT:\n case InsertionMode.IN_SELECT_IN_TABLE: {\n this._insertCharacters(token);\n break;\n }\n case InsertionMode.IN_TABLE:\n case InsertionMode.IN_TABLE_BODY:\n case InsertionMode.IN_ROW: {\n characterInTable(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n characterInTableText(this, token);\n break;\n }\n case InsertionMode.IN_COLUMN_GROUP: {\n tokenInColumnGroup(this, token);\n break;\n }\n case InsertionMode.AFTER_BODY: {\n tokenAfterBody(this, token);\n break;\n }\n case InsertionMode.AFTER_AFTER_BODY: {\n tokenAfterAfterBody(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onNullCharacter(token) {\n this.skipNextNewLine = false;\n if (this.tokenizer.inForeignNode) {\n nullCharacterInForeignContent(this, token);\n return;\n }\n switch (this.insertionMode) {\n case InsertionMode.INITIAL: {\n tokenInInitialMode(this, token);\n break;\n }\n case InsertionMode.BEFORE_HTML: {\n tokenBeforeHtml(this, token);\n break;\n }\n case InsertionMode.BEFORE_HEAD: {\n tokenBeforeHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD: {\n tokenInHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD_NO_SCRIPT: {\n tokenInHeadNoScript(this, token);\n break;\n }\n case InsertionMode.AFTER_HEAD: {\n tokenAfterHead(this, token);\n break;\n }\n case InsertionMode.TEXT: {\n this._insertCharacters(token);\n break;\n }\n case InsertionMode.IN_TABLE:\n case InsertionMode.IN_TABLE_BODY:\n case InsertionMode.IN_ROW: {\n characterInTable(this, token);\n break;\n }\n case InsertionMode.IN_COLUMN_GROUP: {\n tokenInColumnGroup(this, token);\n break;\n }\n case InsertionMode.AFTER_BODY: {\n tokenAfterBody(this, token);\n break;\n }\n case InsertionMode.AFTER_AFTER_BODY: {\n tokenAfterAfterBody(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onComment(token) {\n this.skipNextNewLine = false;\n if (this.currentNotInHTML) {\n appendComment(this, token);\n return;\n }\n switch (this.insertionMode) {\n case InsertionMode.INITIAL:\n case InsertionMode.BEFORE_HTML:\n case InsertionMode.BEFORE_HEAD:\n case InsertionMode.IN_HEAD:\n case InsertionMode.IN_HEAD_NO_SCRIPT:\n case InsertionMode.AFTER_HEAD:\n case InsertionMode.IN_BODY:\n case InsertionMode.IN_TABLE:\n case InsertionMode.IN_CAPTION:\n case InsertionMode.IN_COLUMN_GROUP:\n case InsertionMode.IN_TABLE_BODY:\n case InsertionMode.IN_ROW:\n case InsertionMode.IN_CELL:\n case InsertionMode.IN_SELECT:\n case InsertionMode.IN_SELECT_IN_TABLE:\n case InsertionMode.IN_TEMPLATE:\n case InsertionMode.IN_FRAMESET:\n case InsertionMode.AFTER_FRAMESET: {\n appendComment(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n tokenInTableText(this, token);\n break;\n }\n case InsertionMode.AFTER_BODY: {\n appendCommentToRootHtmlElement(this, token);\n break;\n }\n case InsertionMode.AFTER_AFTER_BODY:\n case InsertionMode.AFTER_AFTER_FRAMESET: {\n appendCommentToDocument(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onDoctype(token) {\n this.skipNextNewLine = false;\n switch (this.insertionMode) {\n case InsertionMode.INITIAL: {\n doctypeInInitialMode(this, token);\n break;\n }\n case InsertionMode.BEFORE_HEAD:\n case InsertionMode.IN_HEAD:\n case InsertionMode.IN_HEAD_NO_SCRIPT:\n case InsertionMode.AFTER_HEAD: {\n this._err(token, ERR.misplacedDoctype);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n tokenInTableText(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onStartTag(token) {\n this.skipNextNewLine = false;\n this.currentToken = token;\n this._processStartTag(token);\n if (token.selfClosing && !token.ackSelfClosing) {\n this._err(token, ERR.nonVoidHtmlElementStartTagWithTrailingSolidus);\n }\n }\n /**\n * Processes a given start tag.\n *\n * `onStartTag` checks if a self-closing tag was recognized. When a token\n * is moved inbetween multiple insertion modes, this check for self-closing\n * could lead to false positives. To avoid this, `_processStartTag` is used\n * for nested calls.\n *\n * @param token The token to process.\n */\n _processStartTag(token) {\n if (this.shouldProcessStartTagTokenInForeignContent(token)) {\n startTagInForeignContent(this, token);\n }\n else {\n this._startTagOutsideForeignContent(token);\n }\n }\n _startTagOutsideForeignContent(token) {\n switch (this.insertionMode) {\n case InsertionMode.INITIAL: {\n tokenInInitialMode(this, token);\n break;\n }\n case InsertionMode.BEFORE_HTML: {\n startTagBeforeHtml(this, token);\n break;\n }\n case InsertionMode.BEFORE_HEAD: {\n startTagBeforeHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD: {\n startTagInHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD_NO_SCRIPT: {\n startTagInHeadNoScript(this, token);\n break;\n }\n case InsertionMode.AFTER_HEAD: {\n startTagAfterHead(this, token);\n break;\n }\n case InsertionMode.IN_BODY: {\n startTagInBody(this, token);\n break;\n }\n case InsertionMode.IN_TABLE: {\n startTagInTable(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n tokenInTableText(this, token);\n break;\n }\n case InsertionMode.IN_CAPTION: {\n startTagInCaption(this, token);\n break;\n }\n case InsertionMode.IN_COLUMN_GROUP: {\n startTagInColumnGroup(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_BODY: {\n startTagInTableBody(this, token);\n break;\n }\n case InsertionMode.IN_ROW: {\n startTagInRow(this, token);\n break;\n }\n case InsertionMode.IN_CELL: {\n startTagInCell(this, token);\n break;\n }\n case InsertionMode.IN_SELECT: {\n startTagInSelect(this, token);\n break;\n }\n case InsertionMode.IN_SELECT_IN_TABLE: {\n startTagInSelectInTable(this, token);\n break;\n }\n case InsertionMode.IN_TEMPLATE: {\n startTagInTemplate(this, token);\n break;\n }\n case InsertionMode.AFTER_BODY: {\n startTagAfterBody(this, token);\n break;\n }\n case InsertionMode.IN_FRAMESET: {\n startTagInFrameset(this, token);\n break;\n }\n case InsertionMode.AFTER_FRAMESET: {\n startTagAfterFrameset(this, token);\n break;\n }\n case InsertionMode.AFTER_AFTER_BODY: {\n startTagAfterAfterBody(this, token);\n break;\n }\n case InsertionMode.AFTER_AFTER_FRAMESET: {\n startTagAfterAfterFrameset(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onEndTag(token) {\n this.skipNextNewLine = false;\n this.currentToken = token;\n if (this.currentNotInHTML) {\n endTagInForeignContent(this, token);\n }\n else {\n this._endTagOutsideForeignContent(token);\n }\n }\n _endTagOutsideForeignContent(token) {\n switch (this.insertionMode) {\n case InsertionMode.INITIAL: {\n tokenInInitialMode(this, token);\n break;\n }\n case InsertionMode.BEFORE_HTML: {\n endTagBeforeHtml(this, token);\n break;\n }\n case InsertionMode.BEFORE_HEAD: {\n endTagBeforeHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD: {\n endTagInHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD_NO_SCRIPT: {\n endTagInHeadNoScript(this, token);\n break;\n }\n case InsertionMode.AFTER_HEAD: {\n endTagAfterHead(this, token);\n break;\n }\n case InsertionMode.IN_BODY: {\n endTagInBody(this, token);\n break;\n }\n case InsertionMode.TEXT: {\n endTagInText(this, token);\n break;\n }\n case InsertionMode.IN_TABLE: {\n endTagInTable(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n tokenInTableText(this, token);\n break;\n }\n case InsertionMode.IN_CAPTION: {\n endTagInCaption(this, token);\n break;\n }\n case InsertionMode.IN_COLUMN_GROUP: {\n endTagInColumnGroup(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_BODY: {\n endTagInTableBody(this, token);\n break;\n }\n case InsertionMode.IN_ROW: {\n endTagInRow(this, token);\n break;\n }\n case InsertionMode.IN_CELL: {\n endTagInCell(this, token);\n break;\n }\n case InsertionMode.IN_SELECT: {\n endTagInSelect(this, token);\n break;\n }\n case InsertionMode.IN_SELECT_IN_TABLE: {\n endTagInSelectInTable(this, token);\n break;\n }\n case InsertionMode.IN_TEMPLATE: {\n endTagInTemplate(this, token);\n break;\n }\n case InsertionMode.AFTER_BODY: {\n endTagAfterBody(this, token);\n break;\n }\n case InsertionMode.IN_FRAMESET: {\n endTagInFrameset(this, token);\n break;\n }\n case InsertionMode.AFTER_FRAMESET: {\n endTagAfterFrameset(this, token);\n break;\n }\n case InsertionMode.AFTER_AFTER_BODY: {\n tokenAfterAfterBody(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onEof(token) {\n switch (this.insertionMode) {\n case InsertionMode.INITIAL: {\n tokenInInitialMode(this, token);\n break;\n }\n case InsertionMode.BEFORE_HTML: {\n tokenBeforeHtml(this, token);\n break;\n }\n case InsertionMode.BEFORE_HEAD: {\n tokenBeforeHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD: {\n tokenInHead(this, token);\n break;\n }\n case InsertionMode.IN_HEAD_NO_SCRIPT: {\n tokenInHeadNoScript(this, token);\n break;\n }\n case InsertionMode.AFTER_HEAD: {\n tokenAfterHead(this, token);\n break;\n }\n case InsertionMode.IN_BODY:\n case InsertionMode.IN_TABLE:\n case InsertionMode.IN_CAPTION:\n case InsertionMode.IN_COLUMN_GROUP:\n case InsertionMode.IN_TABLE_BODY:\n case InsertionMode.IN_ROW:\n case InsertionMode.IN_CELL:\n case InsertionMode.IN_SELECT:\n case InsertionMode.IN_SELECT_IN_TABLE: {\n eofInBody(this, token);\n break;\n }\n case InsertionMode.TEXT: {\n eofInText(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n tokenInTableText(this, token);\n break;\n }\n case InsertionMode.IN_TEMPLATE: {\n eofInTemplate(this, token);\n break;\n }\n case InsertionMode.AFTER_BODY:\n case InsertionMode.IN_FRAMESET:\n case InsertionMode.AFTER_FRAMESET:\n case InsertionMode.AFTER_AFTER_BODY:\n case InsertionMode.AFTER_AFTER_FRAMESET: {\n stopParsing(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n onWhitespaceCharacter(token) {\n if (this.skipNextNewLine) {\n this.skipNextNewLine = false;\n if (token.chars.charCodeAt(0) === unicode.CODE_POINTS.LINE_FEED) {\n if (token.chars.length === 1) {\n return;\n }\n token.chars = token.chars.substr(1);\n }\n }\n if (this.tokenizer.inForeignNode) {\n this._insertCharacters(token);\n return;\n }\n switch (this.insertionMode) {\n case InsertionMode.IN_HEAD:\n case InsertionMode.IN_HEAD_NO_SCRIPT:\n case InsertionMode.AFTER_HEAD:\n case InsertionMode.TEXT:\n case InsertionMode.IN_COLUMN_GROUP:\n case InsertionMode.IN_SELECT:\n case InsertionMode.IN_SELECT_IN_TABLE:\n case InsertionMode.IN_FRAMESET:\n case InsertionMode.AFTER_FRAMESET: {\n this._insertCharacters(token);\n break;\n }\n case InsertionMode.IN_BODY:\n case InsertionMode.IN_CAPTION:\n case InsertionMode.IN_CELL:\n case InsertionMode.IN_TEMPLATE:\n case InsertionMode.AFTER_BODY:\n case InsertionMode.AFTER_AFTER_BODY:\n case InsertionMode.AFTER_AFTER_FRAMESET: {\n whitespaceCharacterInBody(this, token);\n break;\n }\n case InsertionMode.IN_TABLE:\n case InsertionMode.IN_TABLE_BODY:\n case InsertionMode.IN_ROW: {\n characterInTable(this, token);\n break;\n }\n case InsertionMode.IN_TABLE_TEXT: {\n whitespaceCharacterInTableText(this, token);\n break;\n }\n default:\n // Do nothing\n }\n }\n}\n//Adoption agency algorithm\n//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/tree-construction.html#adoptionAgency)\n//------------------------------------------------------------------\n//Steps 5-8 of the algorithm\nfunction aaObtainFormattingElementEntry(p, token) {\n let formattingElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(token.tagName);\n if (formattingElementEntry) {\n if (!p.openElements.contains(formattingElementEntry.element)) {\n p.activeFormattingElements.removeEntry(formattingElementEntry);\n formattingElementEntry = null;\n }\n else if (!p.openElements.hasInScope(token.tagID)) {\n formattingElementEntry = null;\n }\n }\n else {\n genericEndTagInBody(p, token);\n }\n return formattingElementEntry;\n}\n//Steps 9 and 10 of the algorithm\nfunction aaObtainFurthestBlock(p, formattingElementEntry) {\n let furthestBlock = null;\n let idx = p.openElements.stackTop;\n for (; idx >= 0; idx--) {\n const element = p.openElements.items[idx];\n if (element === formattingElementEntry.element) {\n break;\n }\n if (p._isSpecialElement(element, p.openElements.tagIDs[idx])) {\n furthestBlock = element;\n }\n }\n if (!furthestBlock) {\n p.openElements.shortenToLength(idx < 0 ? 0 : idx);\n p.activeFormattingElements.removeEntry(formattingElementEntry);\n }\n return furthestBlock;\n}\n//Step 13 of the algorithm\nfunction aaInnerLoop(p, furthestBlock, formattingElement) {\n let lastElement = furthestBlock;\n let nextElement = p.openElements.getCommonAncestor(furthestBlock);\n for (let i = 0, element = nextElement; element !== formattingElement; i++, element = nextElement) {\n //NOTE: store the next element for the next loop iteration (it may be deleted from the stack by step 9.5)\n nextElement = p.openElements.getCommonAncestor(element);\n const elementEntry = p.activeFormattingElements.getElementEntry(element);\n const counterOverflow = elementEntry && i >= AA_INNER_LOOP_ITER;\n const shouldRemoveFromOpenElements = !elementEntry || counterOverflow;\n if (shouldRemoveFromOpenElements) {\n if (counterOverflow) {\n p.activeFormattingElements.removeEntry(elementEntry);\n }\n p.openElements.remove(element);\n }\n else {\n element = aaRecreateElementFromEntry(p, elementEntry);\n if (lastElement === furthestBlock) {\n p.activeFormattingElements.bookmark = elementEntry;\n }\n p.treeAdapter.detachNode(lastElement);\n p.treeAdapter.appendChild(element, lastElement);\n lastElement = element;\n }\n }\n return lastElement;\n}\n//Step 13.7 of the algorithm\nfunction aaRecreateElementFromEntry(p, elementEntry) {\n const ns = p.treeAdapter.getNamespaceURI(elementEntry.element);\n const newElement = p.treeAdapter.createElement(elementEntry.token.tagName, ns, elementEntry.token.attrs);\n p.openElements.replace(elementEntry.element, newElement);\n elementEntry.element = newElement;\n return newElement;\n}\n//Step 14 of the algorithm\nfunction aaInsertLastNodeInCommonAncestor(p, commonAncestor, lastElement) {\n const tn = p.treeAdapter.getTagName(commonAncestor);\n const tid = getTagID(tn);\n if (p._isElementCausesFosterParenting(tid)) {\n p._fosterParentElement(lastElement);\n }\n else {\n const ns = p.treeAdapter.getNamespaceURI(commonAncestor);\n if (tid === $.TEMPLATE && ns === NS.HTML) {\n commonAncestor = p.treeAdapter.getTemplateContent(commonAncestor);\n }\n p.treeAdapter.appendChild(commonAncestor, lastElement);\n }\n}\n//Steps 15-19 of the algorithm\nfunction aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry) {\n const ns = p.treeAdapter.getNamespaceURI(formattingElementEntry.element);\n const { token } = formattingElementEntry;\n const newElement = p.treeAdapter.createElement(token.tagName, ns, token.attrs);\n p._adoptNodes(furthestBlock, newElement);\n p.treeAdapter.appendChild(furthestBlock, newElement);\n p.activeFormattingElements.insertElementAfterBookmark(newElement, token);\n p.activeFormattingElements.removeEntry(formattingElementEntry);\n p.openElements.remove(formattingElementEntry.element);\n p.openElements.insertAfter(furthestBlock, newElement, token.tagID);\n}\n//Algorithm entry point\nfunction callAdoptionAgency(p, token) {\n for (let i = 0; i < AA_OUTER_LOOP_ITER; i++) {\n const formattingElementEntry = aaObtainFormattingElementEntry(p, token);\n if (!formattingElementEntry) {\n break;\n }\n const furthestBlock = aaObtainFurthestBlock(p, formattingElementEntry);\n if (!furthestBlock) {\n break;\n }\n p.activeFormattingElements.bookmark = formattingElementEntry;\n const lastElement = aaInnerLoop(p, furthestBlock, formattingElementEntry.element);\n const commonAncestor = p.openElements.getCommonAncestor(formattingElementEntry.element);\n p.treeAdapter.detachNode(lastElement);\n if (commonAncestor)\n aaInsertLastNodeInCommonAncestor(p, commonAncestor, lastElement);\n aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry);\n }\n}\n//Generic token handlers\n//------------------------------------------------------------------\nfunction appendComment(p, token) {\n p._appendCommentNode(token, p.openElements.currentTmplContentOrNode);\n}\nfunction appendCommentToRootHtmlElement(p, token) {\n p._appendCommentNode(token, p.openElements.items[0]);\n}\nfunction appendCommentToDocument(p, token) {\n p._appendCommentNode(token, p.document);\n}\nfunction stopParsing(p, token) {\n p.stopped = true;\n // NOTE: Set end locations for elements that remain on the open element stack.\n if (token.location) {\n // NOTE: If we are not in a fragment, `html` and `body` will stay on the stack.\n // This is a problem, as we might overwrite their end position here.\n const target = p.fragmentContext ? 0 : 2;\n for (let i = p.openElements.stackTop; i >= target; i--) {\n p._setEndLocation(p.openElements.items[i], token);\n }\n // Handle `html` and `body`\n if (!p.fragmentContext && p.openElements.stackTop >= 0) {\n const htmlElement = p.openElements.items[0];\n const htmlLocation = p.treeAdapter.getNodeSourceCodeLocation(htmlElement);\n if (htmlLocation && !htmlLocation.endTag) {\n p._setEndLocation(htmlElement, token);\n if (p.openElements.stackTop >= 1) {\n const bodyElement = p.openElements.items[1];\n const bodyLocation = p.treeAdapter.getNodeSourceCodeLocation(bodyElement);\n if (bodyLocation && !bodyLocation.endTag) {\n p._setEndLocation(bodyElement, token);\n }\n }\n }\n }\n }\n}\n// The \"initial\" insertion mode\n//------------------------------------------------------------------\nfunction doctypeInInitialMode(p, token) {\n p._setDocumentType(token);\n const mode = token.forceQuirks ? DOCUMENT_MODE.QUIRKS : doctype.getDocumentMode(token);\n if (!doctype.isConforming(token)) {\n p._err(token, ERR.nonConformingDoctype);\n }\n p.treeAdapter.setDocumentMode(p.document, mode);\n p.insertionMode = InsertionMode.BEFORE_HTML;\n}\nfunction tokenInInitialMode(p, token) {\n p._err(token, ERR.missingDoctype, true);\n p.treeAdapter.setDocumentMode(p.document, DOCUMENT_MODE.QUIRKS);\n p.insertionMode = InsertionMode.BEFORE_HTML;\n p._processToken(token);\n}\n// The \"before html\" insertion mode\n//------------------------------------------------------------------\nfunction startTagBeforeHtml(p, token) {\n if (token.tagID === $.HTML) {\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.BEFORE_HEAD;\n }\n else {\n tokenBeforeHtml(p, token);\n }\n}\nfunction endTagBeforeHtml(p, token) {\n const tn = token.tagID;\n if (tn === $.HTML || tn === $.HEAD || tn === $.BODY || tn === $.BR) {\n tokenBeforeHtml(p, token);\n }\n}\nfunction tokenBeforeHtml(p, token) {\n p._insertFakeRootElement();\n p.insertionMode = InsertionMode.BEFORE_HEAD;\n p._processToken(token);\n}\n// The \"before head\" insertion mode\n//------------------------------------------------------------------\nfunction startTagBeforeHead(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.HEAD: {\n p._insertElement(token, NS.HTML);\n p.headElement = p.openElements.current;\n p.insertionMode = InsertionMode.IN_HEAD;\n break;\n }\n default: {\n tokenBeforeHead(p, token);\n }\n }\n}\nfunction endTagBeforeHead(p, token) {\n const tn = token.tagID;\n if (tn === $.HEAD || tn === $.BODY || tn === $.HTML || tn === $.BR) {\n tokenBeforeHead(p, token);\n }\n else {\n p._err(token, ERR.endTagWithoutMatchingOpenElement);\n }\n}\nfunction tokenBeforeHead(p, token) {\n p._insertFakeElement(TN.HEAD, $.HEAD);\n p.headElement = p.openElements.current;\n p.insertionMode = InsertionMode.IN_HEAD;\n p._processToken(token);\n}\n// The \"in head\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInHead(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.BASE:\n case $.BASEFONT:\n case $.BGSOUND:\n case $.LINK:\n case $.META: {\n p._appendElement(token, NS.HTML);\n token.ackSelfClosing = true;\n break;\n }\n case $.TITLE: {\n p._switchToTextParsing(token, TokenizerMode.RCDATA);\n break;\n }\n case $.NOSCRIPT: {\n if (p.options.scriptingEnabled) {\n p._switchToTextParsing(token, TokenizerMode.RAWTEXT);\n }\n else {\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_HEAD_NO_SCRIPT;\n }\n break;\n }\n case $.NOFRAMES:\n case $.STYLE: {\n p._switchToTextParsing(token, TokenizerMode.RAWTEXT);\n break;\n }\n case $.SCRIPT: {\n p._switchToTextParsing(token, TokenizerMode.SCRIPT_DATA);\n break;\n }\n case $.TEMPLATE: {\n p._insertTemplate(token);\n p.activeFormattingElements.insertMarker();\n p.framesetOk = false;\n p.insertionMode = InsertionMode.IN_TEMPLATE;\n p.tmplInsertionModeStack.unshift(InsertionMode.IN_TEMPLATE);\n break;\n }\n case $.HEAD: {\n p._err(token, ERR.misplacedStartTagForHeadElement);\n break;\n }\n default: {\n tokenInHead(p, token);\n }\n }\n}\nfunction endTagInHead(p, token) {\n switch (token.tagID) {\n case $.HEAD: {\n p.openElements.pop();\n p.insertionMode = InsertionMode.AFTER_HEAD;\n break;\n }\n case $.BODY:\n case $.BR:\n case $.HTML: {\n tokenInHead(p, token);\n break;\n }\n case $.TEMPLATE: {\n templateEndTagInHead(p, token);\n break;\n }\n default: {\n p._err(token, ERR.endTagWithoutMatchingOpenElement);\n }\n }\n}\nfunction templateEndTagInHead(p, token) {\n if (p.openElements.tmplCount > 0) {\n p.openElements.generateImpliedEndTagsThoroughly();\n if (p.openElements.currentTagId !== $.TEMPLATE) {\n p._err(token, ERR.closingOfElementWithOpenChildElements);\n }\n p.openElements.popUntilTagNamePopped($.TEMPLATE);\n p.activeFormattingElements.clearToLastMarker();\n p.tmplInsertionModeStack.shift();\n p._resetInsertionMode();\n }\n else {\n p._err(token, ERR.endTagWithoutMatchingOpenElement);\n }\n}\nfunction tokenInHead(p, token) {\n p.openElements.pop();\n p.insertionMode = InsertionMode.AFTER_HEAD;\n p._processToken(token);\n}\n// The \"in head no script\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInHeadNoScript(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.BASEFONT:\n case $.BGSOUND:\n case $.HEAD:\n case $.LINK:\n case $.META:\n case $.NOFRAMES:\n case $.STYLE: {\n startTagInHead(p, token);\n break;\n }\n case $.NOSCRIPT: {\n p._err(token, ERR.nestedNoscriptInHead);\n break;\n }\n default: {\n tokenInHeadNoScript(p, token);\n }\n }\n}\nfunction endTagInHeadNoScript(p, token) {\n switch (token.tagID) {\n case $.NOSCRIPT: {\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_HEAD;\n break;\n }\n case $.BR: {\n tokenInHeadNoScript(p, token);\n break;\n }\n default: {\n p._err(token, ERR.endTagWithoutMatchingOpenElement);\n }\n }\n}\nfunction tokenInHeadNoScript(p, token) {\n const errCode = token.type === TokenType.EOF ? ERR.openElementsLeftAfterEof : ERR.disallowedContentInNoscriptInHead;\n p._err(token, errCode);\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_HEAD;\n p._processToken(token);\n}\n// The \"after head\" insertion mode\n//------------------------------------------------------------------\nfunction startTagAfterHead(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.BODY: {\n p._insertElement(token, NS.HTML);\n p.framesetOk = false;\n p.insertionMode = InsertionMode.IN_BODY;\n break;\n }\n case $.FRAMESET: {\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_FRAMESET;\n break;\n }\n case $.BASE:\n case $.BASEFONT:\n case $.BGSOUND:\n case $.LINK:\n case $.META:\n case $.NOFRAMES:\n case $.SCRIPT:\n case $.STYLE:\n case $.TEMPLATE:\n case $.TITLE: {\n p._err(token, ERR.abandonedHeadElementChild);\n p.openElements.push(p.headElement, $.HEAD);\n startTagInHead(p, token);\n p.openElements.remove(p.headElement);\n break;\n }\n case $.HEAD: {\n p._err(token, ERR.misplacedStartTagForHeadElement);\n break;\n }\n default: {\n tokenAfterHead(p, token);\n }\n }\n}\nfunction endTagAfterHead(p, token) {\n switch (token.tagID) {\n case $.BODY:\n case $.HTML:\n case $.BR: {\n tokenAfterHead(p, token);\n break;\n }\n case $.TEMPLATE: {\n templateEndTagInHead(p, token);\n break;\n }\n default: {\n p._err(token, ERR.endTagWithoutMatchingOpenElement);\n }\n }\n}\nfunction tokenAfterHead(p, token) {\n p._insertFakeElement(TN.BODY, $.BODY);\n p.insertionMode = InsertionMode.IN_BODY;\n modeInBody(p, token);\n}\n// The \"in body\" insertion mode\n//------------------------------------------------------------------\nfunction modeInBody(p, token) {\n switch (token.type) {\n case TokenType.CHARACTER: {\n characterInBody(p, token);\n break;\n }\n case TokenType.WHITESPACE_CHARACTER: {\n whitespaceCharacterInBody(p, token);\n break;\n }\n case TokenType.COMMENT: {\n appendComment(p, token);\n break;\n }\n case TokenType.START_TAG: {\n startTagInBody(p, token);\n break;\n }\n case TokenType.END_TAG: {\n endTagInBody(p, token);\n break;\n }\n case TokenType.EOF: {\n eofInBody(p, token);\n break;\n }\n default:\n // Do nothing\n }\n}\nfunction whitespaceCharacterInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._insertCharacters(token);\n}\nfunction characterInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._insertCharacters(token);\n p.framesetOk = false;\n}\nfunction htmlStartTagInBody(p, token) {\n if (p.openElements.tmplCount === 0) {\n p.treeAdapter.adoptAttributes(p.openElements.items[0], token.attrs);\n }\n}\nfunction bodyStartTagInBody(p, token) {\n const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();\n if (bodyElement && p.openElements.tmplCount === 0) {\n p.framesetOk = false;\n p.treeAdapter.adoptAttributes(bodyElement, token.attrs);\n }\n}\nfunction framesetStartTagInBody(p, token) {\n const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();\n if (p.framesetOk && bodyElement) {\n p.treeAdapter.detachNode(bodyElement);\n p.openElements.popAllUpToHtmlElement();\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_FRAMESET;\n }\n}\nfunction addressStartTagInBody(p, token) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._insertElement(token, NS.HTML);\n}\nfunction numberedHeaderStartTagInBody(p, token) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n if (isNumberedHeader(p.openElements.currentTagId)) {\n p.openElements.pop();\n }\n p._insertElement(token, NS.HTML);\n}\nfunction preStartTagInBody(p, token) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._insertElement(token, NS.HTML);\n //NOTE: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move\n //on to the next one. (Newlines at the start of pre blocks are ignored as an authoring convenience.)\n p.skipNextNewLine = true;\n p.framesetOk = false;\n}\nfunction formStartTagInBody(p, token) {\n const inTemplate = p.openElements.tmplCount > 0;\n if (!p.formElement || inTemplate) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._insertElement(token, NS.HTML);\n if (!inTemplate) {\n p.formElement = p.openElements.current;\n }\n }\n}\nfunction listItemStartTagInBody(p, token) {\n p.framesetOk = false;\n const tn = token.tagID;\n for (let i = p.openElements.stackTop; i >= 0; i--) {\n const elementId = p.openElements.tagIDs[i];\n if ((tn === $.LI && elementId === $.LI) ||\n ((tn === $.DD || tn === $.DT) && (elementId === $.DD || elementId === $.DT))) {\n p.openElements.generateImpliedEndTagsWithExclusion(elementId);\n p.openElements.popUntilTagNamePopped(elementId);\n break;\n }\n if (elementId !== $.ADDRESS &&\n elementId !== $.DIV &&\n elementId !== $.P &&\n p._isSpecialElement(p.openElements.items[i], elementId)) {\n break;\n }\n }\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._insertElement(token, NS.HTML);\n}\nfunction plaintextStartTagInBody(p, token) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._insertElement(token, NS.HTML);\n p.tokenizer.state = TokenizerMode.PLAINTEXT;\n}\nfunction buttonStartTagInBody(p, token) {\n if (p.openElements.hasInScope($.BUTTON)) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilTagNamePopped($.BUTTON);\n }\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n p.framesetOk = false;\n}\nfunction aStartTagInBody(p, token) {\n const activeElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(TN.A);\n if (activeElementEntry) {\n callAdoptionAgency(p, token);\n p.openElements.remove(activeElementEntry.element);\n p.activeFormattingElements.removeEntry(activeElementEntry);\n }\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n p.activeFormattingElements.pushElement(p.openElements.current, token);\n}\nfunction bStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n p.activeFormattingElements.pushElement(p.openElements.current, token);\n}\nfunction nobrStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n if (p.openElements.hasInScope($.NOBR)) {\n callAdoptionAgency(p, token);\n p._reconstructActiveFormattingElements();\n }\n p._insertElement(token, NS.HTML);\n p.activeFormattingElements.pushElement(p.openElements.current, token);\n}\nfunction appletStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n p.activeFormattingElements.insertMarker();\n p.framesetOk = false;\n}\nfunction tableStartTagInBody(p, token) {\n if (p.treeAdapter.getDocumentMode(p.document) !== DOCUMENT_MODE.QUIRKS && p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._insertElement(token, NS.HTML);\n p.framesetOk = false;\n p.insertionMode = InsertionMode.IN_TABLE;\n}\nfunction areaStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._appendElement(token, NS.HTML);\n p.framesetOk = false;\n token.ackSelfClosing = true;\n}\nfunction isHiddenInput(token) {\n const inputType = getTokenAttr(token, ATTRS.TYPE);\n return inputType != null && inputType.toLowerCase() === HIDDEN_INPUT_TYPE;\n}\nfunction inputStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._appendElement(token, NS.HTML);\n if (!isHiddenInput(token)) {\n p.framesetOk = false;\n }\n token.ackSelfClosing = true;\n}\nfunction paramStartTagInBody(p, token) {\n p._appendElement(token, NS.HTML);\n token.ackSelfClosing = true;\n}\nfunction hrStartTagInBody(p, token) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._appendElement(token, NS.HTML);\n p.framesetOk = false;\n token.ackSelfClosing = true;\n}\nfunction imageStartTagInBody(p, token) {\n token.tagName = TN.IMG;\n token.tagID = $.IMG;\n areaStartTagInBody(p, token);\n}\nfunction textareaStartTagInBody(p, token) {\n p._insertElement(token, NS.HTML);\n //NOTE: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move\n //on to the next one. (Newlines at the start of textarea elements are ignored as an authoring convenience.)\n p.skipNextNewLine = true;\n p.tokenizer.state = TokenizerMode.RCDATA;\n p.originalInsertionMode = p.insertionMode;\n p.framesetOk = false;\n p.insertionMode = InsertionMode.TEXT;\n}\nfunction xmpStartTagInBody(p, token) {\n if (p.openElements.hasInButtonScope($.P)) {\n p._closePElement();\n }\n p._reconstructActiveFormattingElements();\n p.framesetOk = false;\n p._switchToTextParsing(token, TokenizerMode.RAWTEXT);\n}\nfunction iframeStartTagInBody(p, token) {\n p.framesetOk = false;\n p._switchToTextParsing(token, TokenizerMode.RAWTEXT);\n}\n//NOTE: here we assume that we always act as an user agent with enabled plugins, so we parse\n//<![CDATA[ as rawtext.\nfunction noembedStartTagInBody(p, token) {\n p._switchToTextParsing(token, TokenizerMode.RAWTEXT);\n}\nfunction selectStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n p.framesetOk = false;\n p.insertionMode =\n p.insertionMode === InsertionMode.IN_TABLE ||\n p.insertionMode === InsertionMode.IN_CAPTION ||\n p.insertionMode === InsertionMode.IN_TABLE_BODY ||\n p.insertionMode === InsertionMode.IN_ROW ||\n p.insertionMode === InsertionMode.IN_CELL\n ? InsertionMode.IN_SELECT_IN_TABLE\n : InsertionMode.IN_SELECT;\n}\nfunction optgroupStartTagInBody(p, token) {\n if (p.openElements.currentTagId === $.OPTION) {\n p.openElements.pop();\n }\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n}\nfunction rbStartTagInBody(p, token) {\n if (p.openElements.hasInScope($.RUBY)) {\n p.openElements.generateImpliedEndTags();\n }\n p._insertElement(token, NS.HTML);\n}\nfunction rtStartTagInBody(p, token) {\n if (p.openElements.hasInScope($.RUBY)) {\n p.openElements.generateImpliedEndTagsWithExclusion($.RTC);\n }\n p._insertElement(token, NS.HTML);\n}\nfunction mathStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n foreignContent.adjustTokenMathMLAttrs(token);\n foreignContent.adjustTokenXMLAttrs(token);\n if (token.selfClosing) {\n p._appendElement(token, NS.MATHML);\n }\n else {\n p._insertElement(token, NS.MATHML);\n }\n token.ackSelfClosing = true;\n}\nfunction svgStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n foreignContent.adjustTokenSVGAttrs(token);\n foreignContent.adjustTokenXMLAttrs(token);\n if (token.selfClosing) {\n p._appendElement(token, NS.SVG);\n }\n else {\n p._insertElement(token, NS.SVG);\n }\n token.ackSelfClosing = true;\n}\nfunction genericStartTagInBody(p, token) {\n p._reconstructActiveFormattingElements();\n p._insertElement(token, NS.HTML);\n}\nfunction startTagInBody(p, token) {\n switch (token.tagID) {\n case $.I:\n case $.S:\n case $.B:\n case $.U:\n case $.EM:\n case $.TT:\n case $.BIG:\n case $.CODE:\n case $.FONT:\n case $.SMALL:\n case $.STRIKE:\n case $.STRONG: {\n bStartTagInBody(p, token);\n break;\n }\n case $.A: {\n aStartTagInBody(p, token);\n break;\n }\n case $.H1:\n case $.H2:\n case $.H3:\n case $.H4:\n case $.H5:\n case $.H6: {\n numberedHeaderStartTagInBody(p, token);\n break;\n }\n case $.P:\n case $.DL:\n case $.OL:\n case $.UL:\n case $.DIV:\n case $.DIR:\n case $.NAV:\n case $.MAIN:\n case $.MENU:\n case $.ASIDE:\n case $.CENTER:\n case $.FIGURE:\n case $.FOOTER:\n case $.HEADER:\n case $.HGROUP:\n case $.DIALOG:\n case $.DETAILS:\n case $.ADDRESS:\n case $.ARTICLE:\n case $.SECTION:\n case $.SUMMARY:\n case $.FIELDSET:\n case $.BLOCKQUOTE:\n case $.FIGCAPTION: {\n addressStartTagInBody(p, token);\n break;\n }\n case $.LI:\n case $.DD:\n case $.DT: {\n listItemStartTagInBody(p, token);\n break;\n }\n case $.BR:\n case $.IMG:\n case $.WBR:\n case $.AREA:\n case $.EMBED:\n case $.KEYGEN: {\n areaStartTagInBody(p, token);\n break;\n }\n case $.HR: {\n hrStartTagInBody(p, token);\n break;\n }\n case $.RB:\n case $.RTC: {\n rbStartTagInBody(p, token);\n break;\n }\n case $.RT:\n case $.RP: {\n rtStartTagInBody(p, token);\n break;\n }\n case $.PRE:\n case $.LISTING: {\n preStartTagInBody(p, token);\n break;\n }\n case $.XMP: {\n xmpStartTagInBody(p, token);\n break;\n }\n case $.SVG: {\n svgStartTagInBody(p, token);\n break;\n }\n case $.HTML: {\n htmlStartTagInBody(p, token);\n break;\n }\n case $.BASE:\n case $.LINK:\n case $.META:\n case $.STYLE:\n case $.TITLE:\n case $.SCRIPT:\n case $.BGSOUND:\n case $.BASEFONT:\n case $.TEMPLATE: {\n startTagInHead(p, token);\n break;\n }\n case $.BODY: {\n bodyStartTagInBody(p, token);\n break;\n }\n case $.FORM: {\n formStartTagInBody(p, token);\n break;\n }\n case $.NOBR: {\n nobrStartTagInBody(p, token);\n break;\n }\n case $.MATH: {\n mathStartTagInBody(p, token);\n break;\n }\n case $.TABLE: {\n tableStartTagInBody(p, token);\n break;\n }\n case $.INPUT: {\n inputStartTagInBody(p, token);\n break;\n }\n case $.PARAM:\n case $.TRACK:\n case $.SOURCE: {\n paramStartTagInBody(p, token);\n break;\n }\n case $.IMAGE: {\n imageStartTagInBody(p, token);\n break;\n }\n case $.BUTTON: {\n buttonStartTagInBody(p, token);\n break;\n }\n case $.APPLET:\n case $.OBJECT:\n case $.MARQUEE: {\n appletStartTagInBody(p, token);\n break;\n }\n case $.IFRAME: {\n iframeStartTagInBody(p, token);\n break;\n }\n case $.SELECT: {\n selectStartTagInBody(p, token);\n break;\n }\n case $.OPTION:\n case $.OPTGROUP: {\n optgroupStartTagInBody(p, token);\n break;\n }\n case $.NOEMBED: {\n noembedStartTagInBody(p, token);\n break;\n }\n case $.FRAMESET: {\n framesetStartTagInBody(p, token);\n break;\n }\n case $.TEXTAREA: {\n textareaStartTagInBody(p, token);\n break;\n }\n case $.NOSCRIPT: {\n if (p.options.scriptingEnabled) {\n noembedStartTagInBody(p, token);\n }\n else {\n genericStartTagInBody(p, token);\n }\n break;\n }\n case $.PLAINTEXT: {\n plaintextStartTagInBody(p, token);\n break;\n }\n case $.COL:\n case $.TH:\n case $.TD:\n case $.TR:\n case $.HEAD:\n case $.FRAME:\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD:\n case $.CAPTION:\n case $.COLGROUP: {\n // Ignore token\n break;\n }\n default: {\n genericStartTagInBody(p, token);\n }\n }\n}\nfunction bodyEndTagInBody(p, token) {\n if (p.openElements.hasInScope($.BODY)) {\n p.insertionMode = InsertionMode.AFTER_BODY;\n //NOTE: <body> is never popped from the stack, so we need to updated\n //the end location explicitly.\n if (p.options.sourceCodeLocationInfo) {\n const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement();\n if (bodyElement) {\n p._setEndLocation(bodyElement, token);\n }\n }\n }\n}\nfunction htmlEndTagInBody(p, token) {\n if (p.openElements.hasInScope($.BODY)) {\n p.insertionMode = InsertionMode.AFTER_BODY;\n endTagAfterBody(p, token);\n }\n}\nfunction addressEndTagInBody(p, token) {\n const tn = token.tagID;\n if (p.openElements.hasInScope(tn)) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilTagNamePopped(tn);\n }\n}\nfunction formEndTagInBody(p) {\n const inTemplate = p.openElements.tmplCount > 0;\n const { formElement } = p;\n if (!inTemplate) {\n p.formElement = null;\n }\n if ((formElement || inTemplate) && p.openElements.hasInScope($.FORM)) {\n p.openElements.generateImpliedEndTags();\n if (inTemplate) {\n p.openElements.popUntilTagNamePopped($.FORM);\n }\n else if (formElement) {\n p.openElements.remove(formElement);\n }\n }\n}\nfunction pEndTagInBody(p) {\n if (!p.openElements.hasInButtonScope($.P)) {\n p._insertFakeElement(TN.P, $.P);\n }\n p._closePElement();\n}\nfunction liEndTagInBody(p) {\n if (p.openElements.hasInListItemScope($.LI)) {\n p.openElements.generateImpliedEndTagsWithExclusion($.LI);\n p.openElements.popUntilTagNamePopped($.LI);\n }\n}\nfunction ddEndTagInBody(p, token) {\n const tn = token.tagID;\n if (p.openElements.hasInScope(tn)) {\n p.openElements.generateImpliedEndTagsWithExclusion(tn);\n p.openElements.popUntilTagNamePopped(tn);\n }\n}\nfunction numberedHeaderEndTagInBody(p) {\n if (p.openElements.hasNumberedHeaderInScope()) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilNumberedHeaderPopped();\n }\n}\nfunction appletEndTagInBody(p, token) {\n const tn = token.tagID;\n if (p.openElements.hasInScope(tn)) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilTagNamePopped(tn);\n p.activeFormattingElements.clearToLastMarker();\n }\n}\nfunction brEndTagInBody(p) {\n p._reconstructActiveFormattingElements();\n p._insertFakeElement(TN.BR, $.BR);\n p.openElements.pop();\n p.framesetOk = false;\n}\nfunction genericEndTagInBody(p, token) {\n const tn = token.tagName;\n const tid = token.tagID;\n for (let i = p.openElements.stackTop; i > 0; i--) {\n const element = p.openElements.items[i];\n const elementId = p.openElements.tagIDs[i];\n // Compare the tag name here, as the tag might not be a known tag with an ID.\n if (tid === elementId && (tid !== $.UNKNOWN || p.treeAdapter.getTagName(element) === tn)) {\n p.openElements.generateImpliedEndTagsWithExclusion(tid);\n if (p.openElements.stackTop >= i)\n p.openElements.shortenToLength(i);\n break;\n }\n if (p._isSpecialElement(element, elementId)) {\n break;\n }\n }\n}\nfunction endTagInBody(p, token) {\n switch (token.tagID) {\n case $.A:\n case $.B:\n case $.I:\n case $.S:\n case $.U:\n case $.EM:\n case $.TT:\n case $.BIG:\n case $.CODE:\n case $.FONT:\n case $.NOBR:\n case $.SMALL:\n case $.STRIKE:\n case $.STRONG: {\n callAdoptionAgency(p, token);\n break;\n }\n case $.P: {\n pEndTagInBody(p);\n break;\n }\n case $.DL:\n case $.UL:\n case $.OL:\n case $.DIR:\n case $.DIV:\n case $.NAV:\n case $.PRE:\n case $.MAIN:\n case $.MENU:\n case $.ASIDE:\n case $.BUTTON:\n case $.CENTER:\n case $.FIGURE:\n case $.FOOTER:\n case $.HEADER:\n case $.HGROUP:\n case $.DIALOG:\n case $.ADDRESS:\n case $.ARTICLE:\n case $.DETAILS:\n case $.SECTION:\n case $.SUMMARY:\n case $.LISTING:\n case $.FIELDSET:\n case $.BLOCKQUOTE:\n case $.FIGCAPTION: {\n addressEndTagInBody(p, token);\n break;\n }\n case $.LI: {\n liEndTagInBody(p);\n break;\n }\n case $.DD:\n case $.DT: {\n ddEndTagInBody(p, token);\n break;\n }\n case $.H1:\n case $.H2:\n case $.H3:\n case $.H4:\n case $.H5:\n case $.H6: {\n numberedHeaderEndTagInBody(p);\n break;\n }\n case $.BR: {\n brEndTagInBody(p);\n break;\n }\n case $.BODY: {\n bodyEndTagInBody(p, token);\n break;\n }\n case $.HTML: {\n htmlEndTagInBody(p, token);\n break;\n }\n case $.FORM: {\n formEndTagInBody(p);\n break;\n }\n case $.APPLET:\n case $.OBJECT:\n case $.MARQUEE: {\n appletEndTagInBody(p, token);\n break;\n }\n case $.TEMPLATE: {\n templateEndTagInHead(p, token);\n break;\n }\n default: {\n genericEndTagInBody(p, token);\n }\n }\n}\nfunction eofInBody(p, token) {\n if (p.tmplInsertionModeStack.length > 0) {\n eofInTemplate(p, token);\n }\n else {\n stopParsing(p, token);\n }\n}\n// The \"text\" insertion mode\n//------------------------------------------------------------------\nfunction endTagInText(p, token) {\n var _a;\n if (token.tagID === $.SCRIPT) {\n (_a = p.scriptHandler) === null || _a === void 0 ? void 0 : _a.call(p, p.openElements.current);\n }\n p.openElements.pop();\n p.insertionMode = p.originalInsertionMode;\n}\nfunction eofInText(p, token) {\n p._err(token, ERR.eofInElementThatCanContainOnlyText);\n p.openElements.pop();\n p.insertionMode = p.originalInsertionMode;\n p.onEof(token);\n}\n// The \"in table\" insertion mode\n//------------------------------------------------------------------\nfunction characterInTable(p, token) {\n if (TABLE_STRUCTURE_TAGS.has(p.openElements.currentTagId)) {\n p.pendingCharacterTokens.length = 0;\n p.hasNonWhitespacePendingCharacterToken = false;\n p.originalInsertionMode = p.insertionMode;\n p.insertionMode = InsertionMode.IN_TABLE_TEXT;\n switch (token.type) {\n case TokenType.CHARACTER: {\n characterInTableText(p, token);\n break;\n }\n case TokenType.WHITESPACE_CHARACTER: {\n whitespaceCharacterInTableText(p, token);\n break;\n }\n // Ignore null\n }\n }\n else {\n tokenInTable(p, token);\n }\n}\nfunction captionStartTagInTable(p, token) {\n p.openElements.clearBackToTableContext();\n p.activeFormattingElements.insertMarker();\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_CAPTION;\n}\nfunction colgroupStartTagInTable(p, token) {\n p.openElements.clearBackToTableContext();\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_COLUMN_GROUP;\n}\nfunction colStartTagInTable(p, token) {\n p.openElements.clearBackToTableContext();\n p._insertFakeElement(TN.COLGROUP, $.COLGROUP);\n p.insertionMode = InsertionMode.IN_COLUMN_GROUP;\n startTagInColumnGroup(p, token);\n}\nfunction tbodyStartTagInTable(p, token) {\n p.openElements.clearBackToTableContext();\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n}\nfunction tdStartTagInTable(p, token) {\n p.openElements.clearBackToTableContext();\n p._insertFakeElement(TN.TBODY, $.TBODY);\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n startTagInTableBody(p, token);\n}\nfunction tableStartTagInTable(p, token) {\n if (p.openElements.hasInTableScope($.TABLE)) {\n p.openElements.popUntilTagNamePopped($.TABLE);\n p._resetInsertionMode();\n p._processStartTag(token);\n }\n}\nfunction inputStartTagInTable(p, token) {\n if (isHiddenInput(token)) {\n p._appendElement(token, NS.HTML);\n }\n else {\n tokenInTable(p, token);\n }\n token.ackSelfClosing = true;\n}\nfunction formStartTagInTable(p, token) {\n if (!p.formElement && p.openElements.tmplCount === 0) {\n p._insertElement(token, NS.HTML);\n p.formElement = p.openElements.current;\n p.openElements.pop();\n }\n}\nfunction startTagInTable(p, token) {\n switch (token.tagID) {\n case $.TD:\n case $.TH:\n case $.TR: {\n tdStartTagInTable(p, token);\n break;\n }\n case $.STYLE:\n case $.SCRIPT:\n case $.TEMPLATE: {\n startTagInHead(p, token);\n break;\n }\n case $.COL: {\n colStartTagInTable(p, token);\n break;\n }\n case $.FORM: {\n formStartTagInTable(p, token);\n break;\n }\n case $.TABLE: {\n tableStartTagInTable(p, token);\n break;\n }\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD: {\n tbodyStartTagInTable(p, token);\n break;\n }\n case $.INPUT: {\n inputStartTagInTable(p, token);\n break;\n }\n case $.CAPTION: {\n captionStartTagInTable(p, token);\n break;\n }\n case $.COLGROUP: {\n colgroupStartTagInTable(p, token);\n break;\n }\n default: {\n tokenInTable(p, token);\n }\n }\n}\nfunction endTagInTable(p, token) {\n switch (token.tagID) {\n case $.TABLE: {\n if (p.openElements.hasInTableScope($.TABLE)) {\n p.openElements.popUntilTagNamePopped($.TABLE);\n p._resetInsertionMode();\n }\n break;\n }\n case $.TEMPLATE: {\n templateEndTagInHead(p, token);\n break;\n }\n case $.BODY:\n case $.CAPTION:\n case $.COL:\n case $.COLGROUP:\n case $.HTML:\n case $.TBODY:\n case $.TD:\n case $.TFOOT:\n case $.TH:\n case $.THEAD:\n case $.TR: {\n // Ignore token\n break;\n }\n default: {\n tokenInTable(p, token);\n }\n }\n}\nfunction tokenInTable(p, token) {\n const savedFosterParentingState = p.fosterParentingEnabled;\n p.fosterParentingEnabled = true;\n // Process token in `In Body` mode\n modeInBody(p, token);\n p.fosterParentingEnabled = savedFosterParentingState;\n}\n// The \"in table text\" insertion mode\n//------------------------------------------------------------------\nfunction whitespaceCharacterInTableText(p, token) {\n p.pendingCharacterTokens.push(token);\n}\nfunction characterInTableText(p, token) {\n p.pendingCharacterTokens.push(token);\n p.hasNonWhitespacePendingCharacterToken = true;\n}\nfunction tokenInTableText(p, token) {\n let i = 0;\n if (p.hasNonWhitespacePendingCharacterToken) {\n for (; i < p.pendingCharacterTokens.length; i++) {\n tokenInTable(p, p.pendingCharacterTokens[i]);\n }\n }\n else {\n for (; i < p.pendingCharacterTokens.length; i++) {\n p._insertCharacters(p.pendingCharacterTokens[i]);\n }\n }\n p.insertionMode = p.originalInsertionMode;\n p._processToken(token);\n}\n// The \"in caption\" insertion mode\n//------------------------------------------------------------------\nconst TABLE_VOID_ELEMENTS = new Set([$.CAPTION, $.COL, $.COLGROUP, $.TBODY, $.TD, $.TFOOT, $.TH, $.THEAD, $.TR]);\nfunction startTagInCaption(p, token) {\n const tn = token.tagID;\n if (TABLE_VOID_ELEMENTS.has(tn)) {\n if (p.openElements.hasInTableScope($.CAPTION)) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilTagNamePopped($.CAPTION);\n p.activeFormattingElements.clearToLastMarker();\n p.insertionMode = InsertionMode.IN_TABLE;\n startTagInTable(p, token);\n }\n }\n else {\n startTagInBody(p, token);\n }\n}\nfunction endTagInCaption(p, token) {\n const tn = token.tagID;\n switch (tn) {\n case $.CAPTION:\n case $.TABLE: {\n if (p.openElements.hasInTableScope($.CAPTION)) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilTagNamePopped($.CAPTION);\n p.activeFormattingElements.clearToLastMarker();\n p.insertionMode = InsertionMode.IN_TABLE;\n if (tn === $.TABLE) {\n endTagInTable(p, token);\n }\n }\n break;\n }\n case $.BODY:\n case $.COL:\n case $.COLGROUP:\n case $.HTML:\n case $.TBODY:\n case $.TD:\n case $.TFOOT:\n case $.TH:\n case $.THEAD:\n case $.TR: {\n // Ignore token\n break;\n }\n default: {\n endTagInBody(p, token);\n }\n }\n}\n// The \"in column group\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInColumnGroup(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.COL: {\n p._appendElement(token, NS.HTML);\n token.ackSelfClosing = true;\n break;\n }\n case $.TEMPLATE: {\n startTagInHead(p, token);\n break;\n }\n default: {\n tokenInColumnGroup(p, token);\n }\n }\n}\nfunction endTagInColumnGroup(p, token) {\n switch (token.tagID) {\n case $.COLGROUP: {\n if (p.openElements.currentTagId === $.COLGROUP) {\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE;\n }\n break;\n }\n case $.TEMPLATE: {\n templateEndTagInHead(p, token);\n break;\n }\n case $.COL: {\n // Ignore token\n break;\n }\n default: {\n tokenInColumnGroup(p, token);\n }\n }\n}\nfunction tokenInColumnGroup(p, token) {\n if (p.openElements.currentTagId === $.COLGROUP) {\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE;\n p._processToken(token);\n }\n}\n// The \"in table body\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInTableBody(p, token) {\n switch (token.tagID) {\n case $.TR: {\n p.openElements.clearBackToTableBodyContext();\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_ROW;\n break;\n }\n case $.TH:\n case $.TD: {\n p.openElements.clearBackToTableBodyContext();\n p._insertFakeElement(TN.TR, $.TR);\n p.insertionMode = InsertionMode.IN_ROW;\n startTagInRow(p, token);\n break;\n }\n case $.CAPTION:\n case $.COL:\n case $.COLGROUP:\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD: {\n if (p.openElements.hasTableBodyContextInTableScope()) {\n p.openElements.clearBackToTableBodyContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE;\n startTagInTable(p, token);\n }\n break;\n }\n default: {\n startTagInTable(p, token);\n }\n }\n}\nfunction endTagInTableBody(p, token) {\n const tn = token.tagID;\n switch (token.tagID) {\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD: {\n if (p.openElements.hasInTableScope(tn)) {\n p.openElements.clearBackToTableBodyContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE;\n }\n break;\n }\n case $.TABLE: {\n if (p.openElements.hasTableBodyContextInTableScope()) {\n p.openElements.clearBackToTableBodyContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE;\n endTagInTable(p, token);\n }\n break;\n }\n case $.BODY:\n case $.CAPTION:\n case $.COL:\n case $.COLGROUP:\n case $.HTML:\n case $.TD:\n case $.TH:\n case $.TR: {\n // Ignore token\n break;\n }\n default: {\n endTagInTable(p, token);\n }\n }\n}\n// The \"in row\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInRow(p, token) {\n switch (token.tagID) {\n case $.TH:\n case $.TD: {\n p.openElements.clearBackToTableRowContext();\n p._insertElement(token, NS.HTML);\n p.insertionMode = InsertionMode.IN_CELL;\n p.activeFormattingElements.insertMarker();\n break;\n }\n case $.CAPTION:\n case $.COL:\n case $.COLGROUP:\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD:\n case $.TR: {\n if (p.openElements.hasInTableScope($.TR)) {\n p.openElements.clearBackToTableRowContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n startTagInTableBody(p, token);\n }\n break;\n }\n default: {\n startTagInTable(p, token);\n }\n }\n}\nfunction endTagInRow(p, token) {\n switch (token.tagID) {\n case $.TR: {\n if (p.openElements.hasInTableScope($.TR)) {\n p.openElements.clearBackToTableRowContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n }\n break;\n }\n case $.TABLE: {\n if (p.openElements.hasInTableScope($.TR)) {\n p.openElements.clearBackToTableRowContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n endTagInTableBody(p, token);\n }\n break;\n }\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD: {\n if (p.openElements.hasInTableScope(token.tagID) || p.openElements.hasInTableScope($.TR)) {\n p.openElements.clearBackToTableRowContext();\n p.openElements.pop();\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n endTagInTableBody(p, token);\n }\n break;\n }\n case $.BODY:\n case $.CAPTION:\n case $.COL:\n case $.COLGROUP:\n case $.HTML:\n case $.TD:\n case $.TH: {\n // Ignore end tag\n break;\n }\n default: {\n endTagInTable(p, token);\n }\n }\n}\n// The \"in cell\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInCell(p, token) {\n const tn = token.tagID;\n if (TABLE_VOID_ELEMENTS.has(tn)) {\n if (p.openElements.hasInTableScope($.TD) || p.openElements.hasInTableScope($.TH)) {\n p._closeTableCell();\n startTagInRow(p, token);\n }\n }\n else {\n startTagInBody(p, token);\n }\n}\nfunction endTagInCell(p, token) {\n const tn = token.tagID;\n switch (tn) {\n case $.TD:\n case $.TH: {\n if (p.openElements.hasInTableScope(tn)) {\n p.openElements.generateImpliedEndTags();\n p.openElements.popUntilTagNamePopped(tn);\n p.activeFormattingElements.clearToLastMarker();\n p.insertionMode = InsertionMode.IN_ROW;\n }\n break;\n }\n case $.TABLE:\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD:\n case $.TR: {\n if (p.openElements.hasInTableScope(tn)) {\n p._closeTableCell();\n endTagInRow(p, token);\n }\n break;\n }\n case $.BODY:\n case $.CAPTION:\n case $.COL:\n case $.COLGROUP:\n case $.HTML: {\n // Ignore token\n break;\n }\n default: {\n endTagInBody(p, token);\n }\n }\n}\n// The \"in select\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInSelect(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.OPTION: {\n if (p.openElements.currentTagId === $.OPTION) {\n p.openElements.pop();\n }\n p._insertElement(token, NS.HTML);\n break;\n }\n case $.OPTGROUP: {\n if (p.openElements.currentTagId === $.OPTION) {\n p.openElements.pop();\n }\n if (p.openElements.currentTagId === $.OPTGROUP) {\n p.openElements.pop();\n }\n p._insertElement(token, NS.HTML);\n break;\n }\n case $.INPUT:\n case $.KEYGEN:\n case $.TEXTAREA:\n case $.SELECT: {\n if (p.openElements.hasInSelectScope($.SELECT)) {\n p.openElements.popUntilTagNamePopped($.SELECT);\n p._resetInsertionMode();\n if (token.tagID !== $.SELECT) {\n p._processStartTag(token);\n }\n }\n break;\n }\n case $.SCRIPT:\n case $.TEMPLATE: {\n startTagInHead(p, token);\n break;\n }\n default:\n // Do nothing\n }\n}\nfunction endTagInSelect(p, token) {\n switch (token.tagID) {\n case $.OPTGROUP: {\n if (p.openElements.stackTop > 0 &&\n p.openElements.currentTagId === $.OPTION &&\n p.openElements.tagIDs[p.openElements.stackTop - 1] === $.OPTGROUP) {\n p.openElements.pop();\n }\n if (p.openElements.currentTagId === $.OPTGROUP) {\n p.openElements.pop();\n }\n break;\n }\n case $.OPTION: {\n if (p.openElements.currentTagId === $.OPTION) {\n p.openElements.pop();\n }\n break;\n }\n case $.SELECT: {\n if (p.openElements.hasInSelectScope($.SELECT)) {\n p.openElements.popUntilTagNamePopped($.SELECT);\n p._resetInsertionMode();\n }\n break;\n }\n case $.TEMPLATE: {\n templateEndTagInHead(p, token);\n break;\n }\n default:\n // Do nothing\n }\n}\n// The \"in select in table\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInSelectInTable(p, token) {\n const tn = token.tagID;\n if (tn === $.CAPTION ||\n tn === $.TABLE ||\n tn === $.TBODY ||\n tn === $.TFOOT ||\n tn === $.THEAD ||\n tn === $.TR ||\n tn === $.TD ||\n tn === $.TH) {\n p.openElements.popUntilTagNamePopped($.SELECT);\n p._resetInsertionMode();\n p._processStartTag(token);\n }\n else {\n startTagInSelect(p, token);\n }\n}\nfunction endTagInSelectInTable(p, token) {\n const tn = token.tagID;\n if (tn === $.CAPTION ||\n tn === $.TABLE ||\n tn === $.TBODY ||\n tn === $.TFOOT ||\n tn === $.THEAD ||\n tn === $.TR ||\n tn === $.TD ||\n tn === $.TH) {\n if (p.openElements.hasInTableScope(tn)) {\n p.openElements.popUntilTagNamePopped($.SELECT);\n p._resetInsertionMode();\n p.onEndTag(token);\n }\n }\n else {\n endTagInSelect(p, token);\n }\n}\n// The \"in template\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInTemplate(p, token) {\n switch (token.tagID) {\n // First, handle tags that can start without a mode change\n case $.BASE:\n case $.BASEFONT:\n case $.BGSOUND:\n case $.LINK:\n case $.META:\n case $.NOFRAMES:\n case $.SCRIPT:\n case $.STYLE:\n case $.TEMPLATE:\n case $.TITLE: {\n startTagInHead(p, token);\n break;\n }\n // Re-process the token in the appropriate mode\n case $.CAPTION:\n case $.COLGROUP:\n case $.TBODY:\n case $.TFOOT:\n case $.THEAD: {\n p.tmplInsertionModeStack[0] = InsertionMode.IN_TABLE;\n p.insertionMode = InsertionMode.IN_TABLE;\n startTagInTable(p, token);\n break;\n }\n case $.COL: {\n p.tmplInsertionModeStack[0] = InsertionMode.IN_COLUMN_GROUP;\n p.insertionMode = InsertionMode.IN_COLUMN_GROUP;\n startTagInColumnGroup(p, token);\n break;\n }\n case $.TR: {\n p.tmplInsertionModeStack[0] = InsertionMode.IN_TABLE_BODY;\n p.insertionMode = InsertionMode.IN_TABLE_BODY;\n startTagInTableBody(p, token);\n break;\n }\n case $.TD:\n case $.TH: {\n p.tmplInsertionModeStack[0] = InsertionMode.IN_ROW;\n p.insertionMode = InsertionMode.IN_ROW;\n startTagInRow(p, token);\n break;\n }\n default: {\n p.tmplInsertionModeStack[0] = InsertionMode.IN_BODY;\n p.insertionMode = InsertionMode.IN_BODY;\n startTagInBody(p, token);\n }\n }\n}\nfunction endTagInTemplate(p, token) {\n if (token.tagID === $.TEMPLATE) {\n templateEndTagInHead(p, token);\n }\n}\nfunction eofInTemplate(p, token) {\n if (p.openElements.tmplCount > 0) {\n p.openElements.popUntilTagNamePopped($.TEMPLATE);\n p.activeFormattingElements.clearToLastMarker();\n p.tmplInsertionModeStack.shift();\n p._resetInsertionMode();\n p.onEof(token);\n }\n else {\n stopParsing(p, token);\n }\n}\n// The \"after body\" insertion mode\n//------------------------------------------------------------------\nfunction startTagAfterBody(p, token) {\n if (token.tagID === $.HTML) {\n startTagInBody(p, token);\n }\n else {\n tokenAfterBody(p, token);\n }\n}\nfunction endTagAfterBody(p, token) {\n var _a;\n if (token.tagID === $.HTML) {\n if (!p.fragmentContext) {\n p.insertionMode = InsertionMode.AFTER_AFTER_BODY;\n }\n //NOTE: <html> is never popped from the stack, so we need to updated\n //the end location explicitly.\n if (p.options.sourceCodeLocationInfo && p.openElements.tagIDs[0] === $.HTML) {\n p._setEndLocation(p.openElements.items[0], token);\n // Update the body element, if it doesn't have an end tag\n const bodyElement = p.openElements.items[1];\n if (bodyElement && !((_a = p.treeAdapter.getNodeSourceCodeLocation(bodyElement)) === null || _a === void 0 ? void 0 : _a.endTag)) {\n p._setEndLocation(bodyElement, token);\n }\n }\n }\n else {\n tokenAfterBody(p, token);\n }\n}\nfunction tokenAfterBody(p, token) {\n p.insertionMode = InsertionMode.IN_BODY;\n modeInBody(p, token);\n}\n// The \"in frameset\" insertion mode\n//------------------------------------------------------------------\nfunction startTagInFrameset(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.FRAMESET: {\n p._insertElement(token, NS.HTML);\n break;\n }\n case $.FRAME: {\n p._appendElement(token, NS.HTML);\n token.ackSelfClosing = true;\n break;\n }\n case $.NOFRAMES: {\n startTagInHead(p, token);\n break;\n }\n default:\n // Do nothing\n }\n}\nfunction endTagInFrameset(p, token) {\n if (token.tagID === $.FRAMESET && !p.openElements.isRootHtmlElementCurrent()) {\n p.openElements.pop();\n if (!p.fragmentContext && p.openElements.currentTagId !== $.FRAMESET) {\n p.insertionMode = InsertionMode.AFTER_FRAMESET;\n }\n }\n}\n// The \"after frameset\" insertion mode\n//------------------------------------------------------------------\nfunction startTagAfterFrameset(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.NOFRAMES: {\n startTagInHead(p, token);\n break;\n }\n default:\n // Do nothing\n }\n}\nfunction endTagAfterFrameset(p, token) {\n if (token.tagID === $.HTML) {\n p.insertionMode = InsertionMode.AFTER_AFTER_FRAMESET;\n }\n}\n// The \"after after body\" insertion mode\n//------------------------------------------------------------------\nfunction startTagAfterAfterBody(p, token) {\n if (token.tagID === $.HTML) {\n startTagInBody(p, token);\n }\n else {\n tokenAfterAfterBody(p, token);\n }\n}\nfunction tokenAfterAfterBody(p, token) {\n p.insertionMode = InsertionMode.IN_BODY;\n modeInBody(p, token);\n}\n// The \"after after frameset\" insertion mode\n//------------------------------------------------------------------\nfunction startTagAfterAfterFrameset(p, token) {\n switch (token.tagID) {\n case $.HTML: {\n startTagInBody(p, token);\n break;\n }\n case $.NOFRAMES: {\n startTagInHead(p, token);\n break;\n }\n default:\n // Do nothing\n }\n}\n// The rules for parsing tokens in foreign content\n//------------------------------------------------------------------\nfunction nullCharacterInForeignContent(p, token) {\n token.chars = unicode.REPLACEMENT_CHARACTER;\n p._insertCharacters(token);\n}\nfunction characterInForeignContent(p, token) {\n p._insertCharacters(token);\n p.framesetOk = false;\n}\nfunction popUntilHtmlOrIntegrationPoint(p) {\n while (p.treeAdapter.getNamespaceURI(p.openElements.current) !== NS.HTML &&\n !p._isIntegrationPoint(p.openElements.currentTagId, p.openElements.current)) {\n p.openElements.pop();\n }\n}\nfunction startTagInForeignContent(p, token) {\n if (foreignContent.causesExit(token)) {\n popUntilHtmlOrIntegrationPoint(p);\n p._startTagOutsideForeignContent(token);\n }\n else {\n const current = p._getAdjustedCurrentElement();\n const currentNs = p.treeAdapter.getNamespaceURI(current);\n if (currentNs === NS.MATHML) {\n foreignContent.adjustTokenMathMLAttrs(token);\n }\n else if (currentNs === NS.SVG) {\n foreignContent.adjustTokenSVGTagName(token);\n foreignContent.adjustTokenSVGAttrs(token);\n }\n foreignContent.adjustTokenXMLAttrs(token);\n if (token.selfClosing) {\n p._appendElement(token, currentNs);\n }\n else {\n p._insertElement(token, currentNs);\n }\n token.ackSelfClosing = true;\n }\n}\nfunction endTagInForeignContent(p, token) {\n if (token.tagID === $.P || token.tagID === $.BR) {\n popUntilHtmlOrIntegrationPoint(p);\n p._endTagOutsideForeignContent(token);\n return;\n }\n for (let i = p.openElements.stackTop; i > 0; i--) {\n const element = p.openElements.items[i];\n if (p.treeAdapter.getNamespaceURI(element) === NS.HTML) {\n p._endTagOutsideForeignContent(token);\n break;\n }\n const tagName = p.treeAdapter.getTagName(element);\n if (tagName.toLowerCase() === token.tagName) {\n //NOTE: update the token tag name for `_setEndLocation`.\n token.tagName = tagName;\n p.openElements.shortenToLength(i);\n break;\n }\n }\n}\n",null,"import { TAG_NAMES as $, NS, hasUnescapedText } from '../common/html.js';\nimport { escapeText, escapeAttribute } from 'entities/lib/escape.js';\nimport { defaultTreeAdapter } from '../tree-adapters/default.js';\n// Sets\nconst VOID_ELEMENTS = new Set([\n $.AREA,\n $.BASE,\n $.BASEFONT,\n $.BGSOUND,\n $.BR,\n $.COL,\n $.EMBED,\n $.FRAME,\n $.HR,\n $.IMG,\n $.INPUT,\n $.KEYGEN,\n $.LINK,\n $.META,\n $.PARAM,\n $.SOURCE,\n $.TRACK,\n $.WBR,\n]);\nfunction isVoidElement(node, options) {\n return (options.treeAdapter.isElementNode(node) &&\n options.treeAdapter.getNamespaceURI(node) === NS.HTML &&\n VOID_ELEMENTS.has(options.treeAdapter.getTagName(node)));\n}\nconst defaultOpts = { treeAdapter: defaultTreeAdapter, scriptingEnabled: true };\n/**\n * Serializes an AST node to an HTML string.\n *\n * @example\n *\n * ```js\n * const parse5 = require('parse5');\n *\n * const document = parse5.parse('<!DOCTYPE html><html><head></head><body>Hi there!</body></html>');\n *\n * // Serializes a document.\n * const html = parse5.serialize(document);\n *\n * // Serializes the <html> element content.\n * const str = parse5.serialize(document.childNodes[1]);\n *\n * console.log(str); //> '<head></head><body>Hi there!</body>'\n * ```\n *\n * @param node Node to serialize.\n * @param options Serialization options.\n */\nexport function serialize(node, options) {\n const opts = { ...defaultOpts, ...options };\n if (isVoidElement(node, opts)) {\n return '';\n }\n return serializeChildNodes(node, opts);\n}\n/**\n * Serializes an AST element node to an HTML string, including the element node.\n *\n * @example\n *\n * ```js\n * const parse5 = require('parse5');\n *\n * const document = parse5.parseFragment('<div>Hello, <b>world</b>!</div>');\n *\n * // Serializes the <div> element.\n * const html = parse5.serializeOuter(document.childNodes[0]);\n *\n * console.log(str); //> '<div>Hello, <b>world</b>!</div>'\n * ```\n *\n * @param node Node to serialize.\n * @param options Serialization options.\n */\nexport function serializeOuter(node, options) {\n const opts = { ...defaultOpts, ...options };\n return serializeNode(node, opts);\n}\nfunction serializeChildNodes(parentNode, options) {\n let html = '';\n // Get container of the child nodes\n const container = options.treeAdapter.isElementNode(parentNode) &&\n options.treeAdapter.getTagName(parentNode) === $.TEMPLATE &&\n options.treeAdapter.getNamespaceURI(parentNode) === NS.HTML\n ? options.treeAdapter.getTemplateContent(parentNode)\n : parentNode;\n const childNodes = options.treeAdapter.getChildNodes(container);\n if (childNodes) {\n for (const currentNode of childNodes) {\n html += serializeNode(currentNode, options);\n }\n }\n return html;\n}\nfunction serializeNode(node, options) {\n if (options.treeAdapter.isElementNode(node)) {\n return serializeElement(node, options);\n }\n if (options.treeAdapter.isTextNode(node)) {\n return serializeTextNode(node, options);\n }\n if (options.treeAdapter.isCommentNode(node)) {\n return serializeCommentNode(node, options);\n }\n if (options.treeAdapter.isDocumentTypeNode(node)) {\n return serializeDocumentTypeNode(node, options);\n }\n // Return an empty string for unknown nodes\n return '';\n}\nfunction serializeElement(node, options) {\n const tn = options.treeAdapter.getTagName(node);\n return `<${tn}${serializeAttributes(node, options)}>${isVoidElement(node, options) ? '' : `${serializeChildNodes(node, options)}</${tn}>`}`;\n}\nfunction serializeAttributes(node, { treeAdapter }) {\n let html = '';\n for (const attr of treeAdapter.getAttrList(node)) {\n html += ' ';\n if (!attr.namespace) {\n html += attr.name;\n }\n else\n switch (attr.namespace) {\n case NS.XML: {\n html += `xml:${attr.name}`;\n break;\n }\n case NS.XMLNS: {\n if (attr.name !== 'xmlns') {\n html += 'xmlns:';\n }\n html += attr.name;\n break;\n }\n case NS.XLINK: {\n html += `xlink:${attr.name}`;\n break;\n }\n default: {\n html += `${attr.prefix}:${attr.name}`;\n }\n }\n html += `=\"${escapeAttribute(attr.value)}\"`;\n }\n return html;\n}\nfunction serializeTextNode(node, options) {\n const { treeAdapter } = options;\n const content = treeAdapter.getTextNodeContent(node);\n const parent = treeAdapter.getParentNode(node);\n const parentTn = parent && treeAdapter.isElementNode(parent) && treeAdapter.getTagName(parent);\n return parentTn &&\n treeAdapter.getNamespaceURI(parent) === NS.HTML &&\n hasUnescapedText(parentTn, options.scriptingEnabled)\n ? content\n : escapeText(content);\n}\nfunction serializeCommentNode(node, { treeAdapter }) {\n return `<!--${treeAdapter.getCommentNodeContent(node)}-->`;\n}\nfunction serializeDocumentTypeNode(node, { treeAdapter }) {\n return `<!DOCTYPE ${treeAdapter.getDocumentTypeNodeName(node)}>`;\n}\n","import { Parser } from './parser/index.js';\nexport { defaultTreeAdapter } from './tree-adapters/default.js';\nexport { /** @internal */ Parser } from './parser/index.js';\nexport { serialize, serializeOuter } from './serializer/index.js';\nexport { ERR as ErrorCodes } from './common/error-codes.js';\n/** @internal */\nexport * as foreignContent from './common/foreign-content.js';\n/** @internal */\nexport * as html from './common/html.js';\n/** @internal */\nexport * as Token from './common/token.js';\n/** @internal */\nexport { Tokenizer, TokenizerMode } from './tokenizer/index.js';\n// Shorthands\n/**\n * Parses an HTML string.\n *\n * @param html Input HTML string.\n * @param options Parsing options.\n * @returns Document\n *\n * @example\n *\n * ```js\n * const parse5 = require('parse5');\n *\n * const document = parse5.parse('<!DOCTYPE html><html><head></head><body>Hi there!</body></html>');\n *\n * console.log(document.childNodes[1].tagName); //> 'html'\n *```\n */\nexport function parse(html, options) {\n return Parser.parse(html, options);\n}\nexport function parseFragment(fragmentContext, html, options) {\n if (typeof fragmentContext === 'string') {\n options = html;\n html = fragmentContext;\n fragmentContext = null;\n }\n const parser = Parser.getFragmentParser(fragmentContext, options);\n parser.tokenizer.write(html, true);\n return parser.getFragment();\n}\n","import EventEmitter from 'events';\nimport { parse, parseFragment, serialize } from 'parse5';\n\n/**\n * @typedef {import('./index').default} Ultraviolet\n */\n\nclass HTML extends EventEmitter {\n /**\n *\n * @param {Ultraviolet} ctx\n */\n constructor(ctx) {\n super();\n this.ctx = ctx;\n this.rewriteUrl = ctx.rewriteUrl;\n this.sourceUrl = ctx.sourceUrl;\n }\n rewrite(str, options = {}) {\n if (!str) return str;\n return this.recast(\n str,\n (node) => {\n if (node.tagName) this.emit('element', node, 'rewrite');\n if (node.attr) this.emit('attr', node, 'rewrite');\n if (node.nodeName === '#text')\n this.emit('text', node, 'rewrite');\n },\n options\n );\n }\n source(str, options = {}) {\n if (!str) return str;\n return this.recast(\n str,\n (node) => {\n if (node.tagName) this.emit('element', node, 'source');\n if (node.attr) this.emit('attr', node, 'source');\n if (node.nodeName === '#text')\n this.emit('text', node, 'source');\n },\n options\n );\n }\n recast(str, fn, options = {}) {\n try {\n const ast = (options.document ? parse : parseFragment)(\n new String(str).toString()\n );\n this.iterate(ast, fn, options);\n return serialize(ast);\n } catch (e) {\n return str;\n }\n }\n iterate(ast, fn, fnOptions) {\n if (!ast) return ast;\n\n if (ast.tagName) {\n const element = new P5Element(ast, false, fnOptions);\n fn(element);\n if (ast.attrs) {\n for (const attr of ast.attrs) {\n if (!attr.skip)\n fn(new AttributeEvent(element, attr, fnOptions));\n }\n }\n }\n\n if (ast.childNodes) {\n for (const child of ast.childNodes) {\n if (!child.skip) this.iterate(child, fn, fnOptions);\n }\n }\n\n if (ast.nodeName === '#text') {\n fn(\n new TextEvent(\n ast,\n new P5Element(ast.parentNode),\n false,\n fnOptions\n )\n );\n }\n\n return ast;\n }\n wrapSrcset(str, meta = this.ctx.meta) {\n return str\n .split(',')\n .map((src) => {\n const parts = src.trimStart().split(' ');\n if (parts[0]) parts[0] = this.ctx.rewriteUrl(parts[0], meta);\n return parts.join(' ');\n })\n .join(', ');\n }\n unwrapSrcset(str, meta = this.ctx.meta) {\n return str\n .split(',')\n .map((src) => {\n const parts = src.trimStart().split(' ');\n if (parts[0]) parts[0] = this.ctx.sourceUrl(parts[0], meta);\n return parts.join(' ');\n })\n .join(', ');\n }\n static parse = parse;\n static parseFragment = parseFragment;\n static serialize = serialize;\n}\n\nclass P5Element extends EventEmitter {\n constructor(node, stream = false, options = {}) {\n super();\n this.stream = stream;\n this.node = node;\n this.options = options;\n }\n setAttribute(name, value) {\n for (const attr of this.attrs) {\n if (attr.name === name) {\n attr.value = value;\n return true;\n }\n }\n\n this.attrs.push({\n name,\n value,\n });\n }\n getAttribute(name) {\n const attr = this.attrs.find((attr) => attr.name === name) || {};\n return attr.value;\n }\n hasAttribute(name) {\n return !!this.attrs.find((attr) => attr.name === name);\n }\n removeAttribute(name) {\n const i = this.attrs.findIndex((attr) => attr.name === name);\n if (typeof i !== 'undefined') this.attrs.splice(i, 1);\n }\n get tagName() {\n return this.node.tagName;\n }\n set tagName(val) {\n this.node.tagName = val;\n }\n get childNodes() {\n return !this.stream ? this.node.childNodes : null;\n }\n get innerHTML() {\n return !this.stream\n ? serialize({\n nodeName: '#document-fragment',\n childNodes: this.childNodes,\n })\n : null;\n }\n set innerHTML(val) {\n if (!this.stream) this.node.childNodes = parseFragment(val).childNodes;\n }\n get outerHTML() {\n return !this.stream\n ? serialize({\n nodeName: '#document-fragment',\n childNodes: [this],\n })\n : null;\n }\n set outerHTML(val) {\n if (!this.stream)\n this.parentNode.childNodes.splice(\n this.parentNode.childNodes.findIndex(\n (node) => node === this.node\n ),\n 1,\n ...parseFragment(val).childNodes\n );\n }\n get textContent() {\n if (this.stream) return null;\n\n let str = '';\n this.iterate(this.node, (node) => {\n if (node.nodeName === '#text') str += node.value;\n });\n\n return str;\n }\n set textContent(val) {\n if (!this.stream)\n this.node.childNodes = [\n {\n nodeName: '#text',\n value: val,\n parentNode: this.node,\n },\n ];\n }\n get nodeName() {\n return this.node.nodeName;\n }\n get parentNode() {\n return this.node.parentNode\n ? new P5Element(this.node.parentNode)\n : null;\n }\n get attrs() {\n return this.node.attrs;\n }\n get namespaceURI() {\n return this.node.namespaceURI;\n }\n}\n\nclass AttributeEvent {\n constructor(node, attr, options = {}) {\n this.attr = attr;\n this.attrs = node.attrs;\n this.node = node;\n this.options = options;\n }\n delete() {\n const i = this.attrs.findIndex((attr) => attr === this.attr);\n\n this.attrs.splice(i, 1);\n\n Object.defineProperty(this, 'deleted', {\n get: () => true,\n });\n\n return true;\n }\n get name() {\n return this.attr.name;\n }\n\n set name(val) {\n this.attr.name = val;\n }\n get value() {\n return this.attr.value;\n }\n\n set value(val) {\n this.attr.value = val;\n }\n get deleted() {\n return false;\n }\n}\n\nclass TextEvent {\n constructor(node, element, stream = false, options = {}) {\n this.stream = stream;\n this.node = node;\n this.element = element;\n this.options = options;\n }\n get nodeName() {\n return this.node.nodeName;\n }\n get parentNode() {\n return this.element;\n }\n get value() {\n return this.stream ? this.node.text : this.node.value;\n }\n set value(val) {\n if (this.stream) this.node.text = val;\n else this.node.value = val;\n }\n}\n\nexport default HTML;\n","// CSS Syntax Module Level 3\n// https://www.w3.org/TR/css-syntax-3/\nexport const EOF = 0; // <EOF-token>\nexport const Ident = 1; // <ident-token>\nexport const Function = 2; // <function-token>\nexport const AtKeyword = 3; // <at-keyword-token>\nexport const Hash = 4; // <hash-token>\nexport const String = 5; // <string-token>\nexport const BadString = 6; // <bad-string-token>\nexport const Url = 7; // <url-token>\nexport const BadUrl = 8; // <bad-url-token>\nexport const Delim = 9; // <delim-token>\nexport const Number = 10; // <number-token>\nexport const Percentage = 11; // <percentage-token>\nexport const Dimension = 12; // <dimension-token>\nexport const WhiteSpace = 13; // <whitespace-token>\nexport const CDO = 14; // <CDO-token>\nexport const CDC = 15; // <CDC-token>\nexport const Colon = 16; // <colon-token> :\nexport const Semicolon = 17; // <semicolon-token> ;\nexport const Comma = 18; // <comma-token> ,\nexport const LeftSquareBracket = 19; // <[-token>\nexport const RightSquareBracket = 20; // <]-token>\nexport const LeftParenthesis = 21; // <(-token>\nexport const RightParenthesis = 22; // <)-token>\nexport const LeftCurlyBracket = 23; // <{-token>\nexport const RightCurlyBracket = 24; // <}-token>\nexport const Comment = 25;\n","const EOF = 0;\n\n// https://drafts.csswg.org/css-syntax-3/\n// § 4.2. Definitions\n\n// digit\n// A code point between U+0030 DIGIT ZERO (0) and U+0039 DIGIT NINE (9).\nexport function isDigit(code) {\n return code >= 0x0030 && code <= 0x0039;\n}\n\n// hex digit\n// A digit, or a code point between U+0041 LATIN CAPITAL LETTER A (A) and U+0046 LATIN CAPITAL LETTER F (F),\n// or a code point between U+0061 LATIN SMALL LETTER A (a) and U+0066 LATIN SMALL LETTER F (f).\nexport function isHexDigit(code) {\n return (\n isDigit(code) || // 0 .. 9\n (code >= 0x0041 && code <= 0x0046) || // A .. F\n (code >= 0x0061 && code <= 0x0066) // a .. f\n );\n}\n\n// uppercase letter\n// A code point between U+0041 LATIN CAPITAL LETTER A (A) and U+005A LATIN CAPITAL LETTER Z (Z).\nexport function isUppercaseLetter(code) {\n return code >= 0x0041 && code <= 0x005A;\n}\n\n// lowercase letter\n// A code point between U+0061 LATIN SMALL LETTER A (a) and U+007A LATIN SMALL LETTER Z (z).\nexport function isLowercaseLetter(code) {\n return code >= 0x0061 && code <= 0x007A;\n}\n\n// letter\n// An uppercase letter or a lowercase letter.\nexport function isLetter(code) {\n return isUppercaseLetter(code) || isLowercaseLetter(code);\n}\n\n// non-ASCII code point\n// A code point with a value equal to or greater than U+0080 <control>.\nexport function isNonAscii(code) {\n return code >= 0x0080;\n}\n\n// name-start code point\n// A letter, a non-ASCII code point, or U+005F LOW LINE (_).\nexport function isNameStart(code) {\n return isLetter(code) || isNonAscii(code) || code === 0x005F;\n}\n\n// name code point\n// A name-start code point, a digit, or U+002D HYPHEN-MINUS (-).\nexport function isName(code) {\n return isNameStart(code) || isDigit(code) || code === 0x002D;\n}\n\n// non-printable code point\n// A code point between U+0000 NULL and U+0008 BACKSPACE, or U+000B LINE TABULATION,\n// or a code point between U+000E SHIFT OUT and U+001F INFORMATION SEPARATOR ONE, or U+007F DELETE.\nexport function isNonPrintable(code) {\n return (\n (code >= 0x0000 && code <= 0x0008) ||\n (code === 0x000B) ||\n (code >= 0x000E && code <= 0x001F) ||\n (code === 0x007F)\n );\n}\n\n// newline\n// U+000A LINE FEED. Note that U+000D CARRIAGE RETURN and U+000C FORM FEED are not included in this definition,\n// as they are converted to U+000A LINE FEED during preprocessing.\n// TODO: we doesn't do a preprocessing, so check a code point for U+000D CARRIAGE RETURN and U+000C FORM FEED\nexport function isNewline(code) {\n return code === 0x000A || code === 0x000D || code === 0x000C;\n}\n\n// whitespace\n// A newline, U+0009 CHARACTER TABULATION, or U+0020 SPACE.\nexport function isWhiteSpace(code) {\n return isNewline(code) || code === 0x0020 || code === 0x0009;\n}\n\n// § 4.3.8. Check if two code points are a valid escape\nexport function isValidEscape(first, second) {\n // If the first code point is not U+005C REVERSE SOLIDUS (\\), return false.\n if (first !== 0x005C) {\n return false;\n }\n\n // Otherwise, if the second code point is a newline or EOF, return false.\n if (isNewline(second) || second === EOF) {\n return false;\n }\n\n // Otherwise, return true.\n return true;\n}\n\n// § 4.3.9. Check if three code points would start an identifier\nexport function isIdentifierStart(first, second, third) {\n // Look at the first code point:\n\n // U+002D HYPHEN-MINUS\n if (first === 0x002D) {\n // If the second code point is a name-start code point or a U+002D HYPHEN-MINUS,\n // or the second and third code points are a valid escape, return true. Otherwise, return false.\n return (\n isNameStart(second) ||\n second === 0x002D ||\n isValidEscape(second, third)\n );\n }\n\n // name-start code point\n if (isNameStart(first)) {\n // Return true.\n return true;\n }\n\n // U+005C REVERSE SOLIDUS (\\)\n if (first === 0x005C) {\n // If the first and second code points are a valid escape, return true. Otherwise, return false.\n return isValidEscape(first, second);\n }\n\n // anything else\n // Return false.\n return false;\n}\n\n// § 4.3.10. Check if three code points would start a number\nexport function isNumberStart(first, second, third) {\n // Look at the first code point:\n\n // U+002B PLUS SIGN (+)\n // U+002D HYPHEN-MINUS (-)\n if (first === 0x002B || first === 0x002D) {\n // If the second code point is a digit, return true.\n if (isDigit(second)) {\n return 2;\n }\n\n // Otherwise, if the second code point is a U+002E FULL STOP (.)\n // and the third code point is a digit, return true.\n // Otherwise, return false.\n return second === 0x002E && isDigit(third) ? 3 : 0;\n }\n\n // U+002E FULL STOP (.)\n if (first === 0x002E) {\n // If the second code point is a digit, return true. Otherwise, return false.\n return isDigit(second) ? 2 : 0;\n }\n\n // digit\n if (isDigit(first)) {\n // Return true.\n return 1;\n }\n\n // anything else\n // Return false.\n return 0;\n}\n\n//\n// Misc\n//\n\n// detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)\nexport function isBOM(code) {\n // UTF-16BE\n if (code === 0xFEFF) {\n return 1;\n }\n\n // UTF-16LE\n if (code === 0xFFFE) {\n return 1;\n }\n\n return 0;\n}\n\n// Fast code category\n// Only ASCII code points has a special meaning, that's why we define a maps for 0..127 codes only\nconst CATEGORY = new Array(0x80);\nexport const EofCategory = 0x80;\nexport const WhiteSpaceCategory = 0x82;\nexport const DigitCategory = 0x83;\nexport const NameStartCategory = 0x84;\nexport const NonPrintableCategory = 0x85;\n\nfor (let i = 0; i < CATEGORY.length; i++) {\n CATEGORY[i] =\n isWhiteSpace(i) && WhiteSpaceCategory ||\n isDigit(i) && DigitCategory ||\n isNameStart(i) && NameStartCategory ||\n isNonPrintable(i) && NonPrintableCategory ||\n i || EofCategory;\n}\n\nexport function charCodeCategory(code) {\n return code < 0x80 ? CATEGORY[code] : NameStartCategory;\n}\n","import {\n isDigit,\n isHexDigit,\n isUppercaseLetter,\n isName,\n isWhiteSpace,\n isValidEscape\n} from './char-code-definitions.js';\n\nfunction getCharCode(source, offset) {\n return offset < source.length ? source.charCodeAt(offset) : 0;\n}\n\nexport function getNewlineLength(source, offset, code) {\n if (code === 13 /* \\r */ && getCharCode(source, offset + 1) === 10 /* \\n */) {\n return 2;\n }\n\n return 1;\n}\n\nexport function cmpChar(testStr, offset, referenceCode) {\n let code = testStr.charCodeAt(offset);\n\n // code.toLowerCase() for A..Z\n if (isUppercaseLetter(code)) {\n code = code | 32;\n }\n\n return code === referenceCode;\n}\n\nexport function cmpStr(testStr, start, end, referenceStr) {\n if (end - start !== referenceStr.length) {\n return false;\n }\n\n if (start < 0 || end > testStr.length) {\n return false;\n }\n\n for (let i = start; i < end; i++) {\n const referenceCode = referenceStr.charCodeAt(i - start);\n let testCode = testStr.charCodeAt(i);\n\n // testCode.toLowerCase() for A..Z\n if (isUppercaseLetter(testCode)) {\n testCode = testCode | 32;\n }\n\n if (testCode !== referenceCode) {\n return false;\n }\n }\n\n return true;\n}\n\nexport function findWhiteSpaceStart(source, offset) {\n for (; offset >= 0; offset--) {\n if (!isWhiteSpace(source.charCodeAt(offset))) {\n break;\n }\n }\n\n return offset + 1;\n}\n\nexport function findWhiteSpaceEnd(source, offset) {\n for (; offset < source.length; offset++) {\n if (!isWhiteSpace(source.charCodeAt(offset))) {\n break;\n }\n }\n\n return offset;\n}\n\nexport function findDecimalNumberEnd(source, offset) {\n for (; offset < source.length; offset++) {\n if (!isDigit(source.charCodeAt(offset))) {\n break;\n }\n }\n\n return offset;\n}\n\n// § 4.3.7. Consume an escaped code point\nexport function consumeEscaped(source, offset) {\n // It assumes that the U+005C REVERSE SOLIDUS (\\) has already been consumed and\n // that the next input code point has already been verified to be part of a valid escape.\n offset += 2;\n\n // hex digit\n if (isHexDigit(getCharCode(source, offset - 1))) {\n // Consume as many hex digits as possible, but no more than 5.\n // Note that this means 1-6 hex digits have been consumed in total.\n for (const maxOffset = Math.min(source.length, offset + 5); offset < maxOffset; offset++) {\n if (!isHexDigit(getCharCode(source, offset))) {\n break;\n }\n }\n\n // If the next input code point is whitespace, consume it as well.\n const code = getCharCode(source, offset);\n if (isWhiteSpace(code)) {\n offset += getNewlineLength(source, offset, code);\n }\n }\n\n return offset;\n}\n\n// §4.3.11. Consume a name\n// Note: This algorithm does not do the verification of the first few code points that are necessary\n// to ensure the returned code points would constitute an <ident-token>. If that is the intended use,\n// ensure that the stream starts with an identifier before calling this algorithm.\nexport function consumeName(source, offset) {\n // Let result initially be an empty string.\n // Repeatedly consume the next input code point from the stream:\n for (; offset < source.length; offset++) {\n const code = source.charCodeAt(offset);\n\n // name code point\n if (isName(code)) {\n // Append the code point to result.\n continue;\n }\n\n // the stream starts with a valid escape\n if (isValidEscape(code, getCharCode(source, offset + 1))) {\n // Consume an escaped code point. Append the returned code point to result.\n offset = consumeEscaped(source, offset) - 1;\n continue;\n }\n\n // anything else\n // Reconsume the current input code point. Return result.\n break;\n }\n\n return offset;\n}\n\n// §4.3.12. Consume a number\nexport function consumeNumber(source, offset) {\n let code = source.charCodeAt(offset);\n\n // 2. If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),\n // consume it and append it to repr.\n if (code === 0x002B || code === 0x002D) {\n code = source.charCodeAt(offset += 1);\n }\n\n // 3. While the next input code point is a digit, consume it and append it to repr.\n if (isDigit(code)) {\n offset = findDecimalNumberEnd(source, offset + 1);\n code = source.charCodeAt(offset);\n }\n\n // 4. If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:\n if (code === 0x002E && isDigit(source.charCodeAt(offset + 1))) {\n // 4.1 Consume them.\n // 4.2 Append them to repr.\n offset += 2;\n\n // 4.3 Set type to \"number\".\n // TODO\n\n // 4.4 While the next input code point is a digit, consume it and append it to repr.\n\n offset = findDecimalNumberEnd(source, offset);\n }\n\n // 5. If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)\n // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:\n if (cmpChar(source, offset, 101 /* e */)) {\n let sign = 0;\n code = source.charCodeAt(offset + 1);\n\n // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...\n if (code === 0x002D || code === 0x002B) {\n sign = 1;\n code = source.charCodeAt(offset + 2);\n }\n\n // ... followed by a digit\n if (isDigit(code)) {\n // 5.1 Consume them.\n // 5.2 Append them to repr.\n\n // 5.3 Set type to \"number\".\n // TODO\n\n // 5.4 While the next input code point is a digit, consume it and append it to repr.\n offset = findDecimalNumberEnd(source, offset + 1 + sign + 1);\n }\n }\n\n return offset;\n}\n\n// § 4.3.14. Consume the remnants of a bad url\n// ... its sole use is to consume enough of the input stream to reach a recovery point\n// where normal tokenizing can resume.\nexport function consumeBadUrlRemnants(source, offset) {\n // Repeatedly consume the next input code point from the stream:\n for (; offset < source.length; offset++) {\n const code = source.charCodeAt(offset);\n\n // U+0029 RIGHT PARENTHESIS ())\n // EOF\n if (code === 0x0029) {\n // Return.\n offset++;\n break;\n }\n\n if (isValidEscape(code, getCharCode(source, offset + 1))) {\n // Consume an escaped code point.\n // Note: This allows an escaped right parenthesis (\"\\)\") to be encountered\n // without ending the <bad-url-token>. This is otherwise identical to\n // the \"anything else\" clause.\n offset = consumeEscaped(source, offset);\n }\n }\n\n return offset;\n}\n\n// § 4.3.7. Consume an escaped code point\n// Note: This algorithm assumes that escaped is valid without leading U+005C REVERSE SOLIDUS (\\)\nexport function decodeEscaped(escaped) {\n // Single char escaped that's not a hex digit\n if (escaped.length === 1 && !isHexDigit(escaped.charCodeAt(0))) {\n return escaped[0];\n }\n\n // Interpret the hex digits as a hexadecimal number.\n let code = parseInt(escaped, 16);\n\n if (\n (code === 0) || // If this number is zero,\n (code >= 0xD800 && code <= 0xDFFF) || // or is for a surrogate,\n (code > 0x10FFFF) // or is greater than the maximum allowed code point\n ) {\n // ... return U+FFFD REPLACEMENT CHARACTER\n code = 0xFFFD;\n }\n\n // Otherwise, return the code point with that value.\n return String.fromCodePoint(code);\n}\n","export default [\n 'EOF-token',\n 'ident-token',\n 'function-token',\n 'at-keyword-token',\n 'hash-token',\n 'string-token',\n 'bad-string-token',\n 'url-token',\n 'bad-url-token',\n 'delim-token',\n 'number-token',\n 'percentage-token',\n 'dimension-token',\n 'whitespace-token',\n 'CDO-token',\n 'CDC-token',\n 'colon-token',\n 'semicolon-token',\n 'comma-token',\n '[-token',\n ']-token',\n '(-token',\n ')-token',\n '{-token',\n '}-token'\n];\n","const MIN_SIZE = 16 * 1024;\n\nexport function adoptBuffer(buffer = null, size) {\n if (buffer === null || buffer.length < size) {\n return new Uint32Array(Math.max(size + 1024, MIN_SIZE));\n }\n\n return buffer;\n};\n","import { adoptBuffer } from './adopt-buffer.js';\nimport { isBOM } from './char-code-definitions.js';\n\nconst N = 10;\nconst F = 12;\nconst R = 13;\n\nfunction computeLinesAndColumns(host) {\n const source = host.source;\n const sourceLength = source.length;\n const startOffset = source.length > 0 ? isBOM(source.charCodeAt(0)) : 0;\n const lines = adoptBuffer(host.lines, sourceLength);\n const columns = adoptBuffer(host.columns, sourceLength);\n let line = host.startLine;\n let column = host.startColumn;\n\n for (let i = startOffset; i < sourceLength; i++) {\n const code = source.charCodeAt(i);\n\n lines[i] = line;\n columns[i] = column++;\n\n if (code === N || code === R || code === F) {\n if (code === R && i + 1 < sourceLength && source.charCodeAt(i + 1) === N) {\n i++;\n lines[i] = line;\n columns[i] = column;\n }\n\n line++;\n column = 1;\n }\n }\n\n lines[sourceLength] = line;\n columns[sourceLength] = column;\n\n host.lines = lines;\n host.columns = columns;\n host.computed = true;\n}\n\nexport class OffsetToLocation {\n constructor() {\n this.lines = null;\n this.columns = null;\n this.computed = false;\n }\n setSource(source, startOffset = 0, startLine = 1, startColumn = 1) {\n this.source = source;\n this.startOffset = startOffset;\n this.startLine = startLine;\n this.startColumn = startColumn;\n this.computed = false;\n }\n getLocation(offset, filename) {\n if (!this.computed) {\n computeLinesAndColumns(this);\n }\n\n return {\n source: filename,\n offset: this.startOffset + offset,\n line: this.lines[offset],\n column: this.columns[offset]\n };\n }\n getLocationRange(start, end, filename) {\n if (!this.computed) {\n computeLinesAndColumns(this);\n }\n\n return {\n source: filename,\n start: {\n offset: this.startOffset + start,\n line: this.lines[start],\n column: this.columns[start]\n },\n end: {\n offset: this.startOffset + end,\n line: this.lines[end],\n column: this.columns[end]\n }\n };\n }\n};\n","import { adoptBuffer } from './adopt-buffer.js';\nimport { cmpStr } from './utils.js';\nimport tokenNames from './names.js';\nimport {\n WhiteSpace,\n Comment,\n Delim,\n EOF,\n Function as FunctionToken,\n LeftParenthesis,\n RightParenthesis,\n LeftSquareBracket,\n RightSquareBracket,\n LeftCurlyBracket,\n RightCurlyBracket\n} from './types.js';\n\nconst OFFSET_MASK = 0x00FFFFFF;\nconst TYPE_SHIFT = 24;\nconst balancePair = new Map([\n [FunctionToken, RightParenthesis],\n [LeftParenthesis, RightParenthesis],\n [LeftSquareBracket, RightSquareBracket],\n [LeftCurlyBracket, RightCurlyBracket]\n]);\n\nexport class TokenStream {\n constructor(source, tokenize) {\n this.setSource(source, tokenize);\n }\n reset() {\n this.eof = false;\n this.tokenIndex = -1;\n this.tokenType = 0;\n this.tokenStart = this.firstCharOffset;\n this.tokenEnd = this.firstCharOffset;\n }\n setSource(source = '', tokenize = () => {}) {\n source = String(source || '');\n\n const sourceLength = source.length;\n const offsetAndType = adoptBuffer(this.offsetAndType, source.length + 1); // +1 because of eof-token\n const balance = adoptBuffer(this.balance, source.length + 1);\n let tokenCount = 0;\n let balanceCloseType = 0;\n let balanceStart = 0;\n let firstCharOffset = -1;\n\n // capture buffers\n this.offsetAndType = null;\n this.balance = null;\n\n tokenize(source, (type, start, end) => {\n switch (type) {\n default:\n balance[tokenCount] = sourceLength;\n break;\n\n case balanceCloseType: {\n let balancePrev = balanceStart & OFFSET_MASK;\n balanceStart = balance[balancePrev];\n balanceCloseType = balanceStart >> TYPE_SHIFT;\n balance[tokenCount] = balancePrev;\n balance[balancePrev++] = tokenCount;\n for (; balancePrev < tokenCount; balancePrev++) {\n if (balance[balancePrev] === sourceLength) {\n balance[balancePrev] = tokenCount;\n }\n }\n break;\n }\n\n case LeftParenthesis:\n case FunctionToken:\n case LeftSquareBracket:\n case LeftCurlyBracket:\n balance[tokenCount] = balanceStart;\n balanceCloseType = balancePair.get(type);\n balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;\n break;\n }\n\n offsetAndType[tokenCount++] = (type << TYPE_SHIFT) | end;\n if (firstCharOffset === -1) {\n firstCharOffset = start;\n }\n });\n\n // finalize buffers\n offsetAndType[tokenCount] = (EOF << TYPE_SHIFT) | sourceLength; // <EOF-token>\n balance[tokenCount] = sourceLength;\n balance[sourceLength] = sourceLength; // prevents false positive balance match with any token\n while (balanceStart !== 0) {\n const balancePrev = balanceStart & OFFSET_MASK;\n balanceStart = balance[balancePrev];\n balance[balancePrev] = sourceLength;\n }\n\n this.source = source;\n this.firstCharOffset = firstCharOffset === -1 ? 0 : firstCharOffset;\n this.tokenCount = tokenCount;\n this.offsetAndType = offsetAndType;\n this.balance = balance;\n\n this.reset();\n this.next();\n }\n\n lookupType(offset) {\n offset += this.tokenIndex;\n\n if (offset < this.tokenCount) {\n return this.offsetAndType[offset] >> TYPE_SHIFT;\n }\n\n return EOF;\n }\n lookupOffset(offset) {\n offset += this.tokenIndex;\n\n if (offset < this.tokenCount) {\n return this.offsetAndType[offset - 1] & OFFSET_MASK;\n }\n\n return this.source.length;\n }\n lookupValue(offset, referenceStr) {\n offset += this.tokenIndex;\n\n if (offset < this.tokenCount) {\n return cmpStr(\n this.source,\n this.offsetAndType[offset - 1] & OFFSET_MASK,\n this.offsetAndType[offset] & OFFSET_MASK,\n referenceStr\n );\n }\n\n return false;\n }\n getTokenStart(tokenIndex) {\n if (tokenIndex === this.tokenIndex) {\n return this.tokenStart;\n }\n\n if (tokenIndex > 0) {\n return tokenIndex < this.tokenCount\n ? this.offsetAndType[tokenIndex - 1] & OFFSET_MASK\n : this.offsetAndType[this.tokenCount] & OFFSET_MASK;\n }\n\n return this.firstCharOffset;\n }\n substrToCursor(start) {\n return this.source.substring(start, this.tokenStart);\n }\n\n isBalanceEdge(pos) {\n return this.balance[this.tokenIndex] < pos;\n }\n isDelim(code, offset) {\n if (offset) {\n return (\n this.lookupType(offset) === Delim &&\n this.source.charCodeAt(this.lookupOffset(offset)) === code\n );\n }\n\n return (\n this.tokenType === Delim &&\n this.source.charCodeAt(this.tokenStart) === code\n );\n }\n\n skip(tokenCount) {\n let next = this.tokenIndex + tokenCount;\n\n if (next < this.tokenCount) {\n this.tokenIndex = next;\n this.tokenStart = this.offsetAndType[next - 1] & OFFSET_MASK;\n next = this.offsetAndType[next];\n this.tokenType = next >> TYPE_SHIFT;\n this.tokenEnd = next & OFFSET_MASK;\n } else {\n this.tokenIndex = this.tokenCount;\n this.next();\n }\n }\n next() {\n let next = this.tokenIndex + 1;\n\n if (next < this.tokenCount) {\n this.tokenIndex = next;\n this.tokenStart = this.tokenEnd;\n next = this.offsetAndType[next];\n this.tokenType = next >> TYPE_SHIFT;\n this.tokenEnd = next & OFFSET_MASK;\n } else {\n this.eof = true;\n this.tokenIndex = this.tokenCount;\n this.tokenType = EOF;\n this.tokenStart = this.tokenEnd = this.source.length;\n }\n }\n skipSC() {\n while (this.tokenType === WhiteSpace || this.tokenType === Comment) {\n this.next();\n }\n }\n skipUntilBalanced(startToken, stopConsume) {\n let cursor = startToken;\n let balanceEnd;\n let offset;\n\n loop:\n for (; cursor < this.tokenCount; cursor++) {\n balanceEnd = this.balance[cursor];\n\n // stop scanning on balance edge that points to offset before start token\n if (balanceEnd < startToken) {\n break loop;\n }\n\n offset = cursor > 0 ? this.offsetAndType[cursor - 1] & OFFSET_MASK : this.firstCharOffset;\n\n // check stop condition\n switch (stopConsume(this.source.charCodeAt(offset))) {\n case 1: // just stop\n break loop;\n\n case 2: // stop & included\n cursor++;\n break loop;\n\n default:\n // fast forward to the end of balanced block\n if (this.balance[balanceEnd] === cursor) {\n cursor = balanceEnd;\n }\n }\n }\n\n this.skip(cursor - this.tokenIndex);\n }\n\n forEachToken(fn) {\n for (let i = 0, offset = this.firstCharOffset; i < this.tokenCount; i++) {\n const start = offset;\n const item = this.offsetAndType[i];\n const end = item & OFFSET_MASK;\n const type = item >> TYPE_SHIFT;\n\n offset = end;\n\n fn(type, start, end, i);\n }\n }\n dump() {\n const tokens = new Array(this.tokenCount);\n\n this.forEachToken((type, start, end, index) => {\n tokens[index] = {\n idx: index,\n type: tokenNames[type],\n chunk: this.source.substring(start, end),\n balance: this.balance[index]\n };\n });\n\n return tokens;\n }\n};\n","import * as TYPE from './types.js';\nimport {\n isNewline,\n isName,\n isValidEscape,\n isNumberStart,\n isIdentifierStart,\n isBOM,\n charCodeCategory,\n WhiteSpaceCategory,\n DigitCategory,\n NameStartCategory,\n NonPrintableCategory\n} from './char-code-definitions.js';\nimport {\n cmpStr,\n getNewlineLength,\n findWhiteSpaceEnd,\n consumeEscaped,\n consumeName,\n consumeNumber,\n consumeBadUrlRemnants\n} from './utils.js';\n\nexport function tokenize(source, onToken) {\n function getCharCode(offset) {\n return offset < sourceLength ? source.charCodeAt(offset) : 0;\n }\n\n // § 4.3.3. Consume a numeric token\n function consumeNumericToken() {\n // Consume a number and let number be the result.\n offset = consumeNumber(source, offset);\n\n // If the next 3 input code points would start an identifier, then:\n if (isIdentifierStart(getCharCode(offset), getCharCode(offset + 1), getCharCode(offset + 2))) {\n // Create a <dimension-token> with the same value and type flag as number, and a unit set initially to the empty string.\n // Consume a name. Set the <dimension-token>’s unit to the returned value.\n // Return the <dimension-token>.\n type = TYPE.Dimension;\n offset = consumeName(source, offset);\n return;\n }\n\n // Otherwise, if the next input code point is U+0025 PERCENTAGE SIGN (%), consume it.\n if (getCharCode(offset) === 0x0025) {\n // Create a <percentage-token> with the same value as number, and return it.\n type = TYPE.Percentage;\n offset++;\n return;\n }\n\n // Otherwise, create a <number-token> with the same value and type flag as number, and return it.\n type = TYPE.Number;\n }\n\n // § 4.3.4. Consume an ident-like token\n function consumeIdentLikeToken() {\n const nameStartOffset = offset;\n\n // Consume a name, and let string be the result.\n offset = consumeName(source, offset);\n\n // If string’s value is an ASCII case-insensitive match for \"url\",\n // and the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.\n if (cmpStr(source, nameStartOffset, offset, 'url') && getCharCode(offset) === 0x0028) {\n // While the next two input code points are whitespace, consume the next input code point.\n offset = findWhiteSpaceEnd(source, offset + 1);\n\n // If the next one or two input code points are U+0022 QUOTATION MARK (\"), U+0027 APOSTROPHE ('),\n // or whitespace followed by U+0022 QUOTATION MARK (\") or U+0027 APOSTROPHE ('),\n // then create a <function-token> with its value set to string and return it.\n if (getCharCode(offset) === 0x0022 ||\n getCharCode(offset) === 0x0027) {\n type = TYPE.Function;\n offset = nameStartOffset + 4;\n return;\n }\n\n // Otherwise, consume a url token, and return it.\n consumeUrlToken();\n return;\n }\n\n // Otherwise, if the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.\n // Create a <function-token> with its value set to string and return it.\n if (getCharCode(offset) === 0x0028) {\n type = TYPE.Function;\n offset++;\n return;\n }\n\n // Otherwise, create an <ident-token> with its value set to string and return it.\n type = TYPE.Ident;\n }\n\n // § 4.3.5. Consume a string token\n function consumeStringToken(endingCodePoint) {\n // This algorithm may be called with an ending code point, which denotes the code point\n // that ends the string. If an ending code point is not specified,\n // the current input code point is used.\n if (!endingCodePoint) {\n endingCodePoint = getCharCode(offset++);\n }\n\n // Initially create a <string-token> with its value set to the empty string.\n type = TYPE.String;\n\n // Repeatedly consume the next input code point from the stream:\n for (; offset < source.length; offset++) {\n const code = source.charCodeAt(offset);\n\n switch (charCodeCategory(code)) {\n // ending code point\n case endingCodePoint:\n // Return the <string-token>.\n offset++;\n return;\n\n // EOF\n // case EofCategory:\n // This is a parse error. Return the <string-token>.\n // return;\n\n // newline\n case WhiteSpaceCategory:\n if (isNewline(code)) {\n // This is a parse error. Reconsume the current input code point,\n // create a <bad-string-token>, and return it.\n offset += getNewlineLength(source, offset, code);\n type = TYPE.BadString;\n return;\n }\n break;\n\n // U+005C REVERSE SOLIDUS (\\)\n case 0x005C:\n // If the next input code point is EOF, do nothing.\n if (offset === source.length - 1) {\n break;\n }\n\n const nextCode = getCharCode(offset + 1);\n\n // Otherwise, if the next input code point is a newline, consume it.\n if (isNewline(nextCode)) {\n offset += getNewlineLength(source, offset + 1, nextCode);\n } else if (isValidEscape(code, nextCode)) {\n // Otherwise, (the stream starts with a valid escape) consume\n // an escaped code point and append the returned code point to\n // the <string-token>’s value.\n offset = consumeEscaped(source, offset) - 1;\n }\n break;\n\n // anything else\n // Append the current input code point to the <string-token>’s value.\n }\n }\n }\n\n // § 4.3.6. Consume a url token\n // Note: This algorithm assumes that the initial \"url(\" has already been consumed.\n // This algorithm also assumes that it’s being called to consume an \"unquoted\" value, like url(foo).\n // A quoted value, like url(\"foo\"), is parsed as a <function-token>. Consume an ident-like token\n // automatically handles this distinction; this algorithm shouldn’t be called directly otherwise.\n function consumeUrlToken() {\n // Initially create a <url-token> with its value set to the empty string.\n type = TYPE.Url;\n\n // Consume as much whitespace as possible.\n offset = findWhiteSpaceEnd(source, offset);\n\n // Repeatedly consume the next input code point from the stream:\n for (; offset < source.length; offset++) {\n const code = source.charCodeAt(offset);\n\n switch (charCodeCategory(code)) {\n // U+0029 RIGHT PARENTHESIS ())\n case 0x0029:\n // Return the <url-token>.\n offset++;\n return;\n\n // EOF\n // case EofCategory:\n // This is a parse error. Return the <url-token>.\n // return;\n\n // whitespace\n case WhiteSpaceCategory:\n // Consume as much whitespace as possible.\n offset = findWhiteSpaceEnd(source, offset);\n\n // If the next input code point is U+0029 RIGHT PARENTHESIS ()) or EOF,\n // consume it and return the <url-token>\n // (if EOF was encountered, this is a parse error);\n if (getCharCode(offset) === 0x0029 || offset >= source.length) {\n if (offset < source.length) {\n offset++;\n }\n return;\n }\n\n // otherwise, consume the remnants of a bad url, create a <bad-url-token>,\n // and return it.\n offset = consumeBadUrlRemnants(source, offset);\n type = TYPE.BadUrl;\n return;\n\n // U+0022 QUOTATION MARK (\")\n // U+0027 APOSTROPHE (')\n // U+0028 LEFT PARENTHESIS (()\n // non-printable code point\n case 0x0022:\n case 0x0027:\n case 0x0028:\n case NonPrintableCategory:\n // This is a parse error. Consume the remnants of a bad url,\n // create a <bad-url-token>, and return it.\n offset = consumeBadUrlRemnants(source, offset);\n type = TYPE.BadUrl;\n return;\n\n // U+005C REVERSE SOLIDUS (\\)\n case 0x005C:\n // If the stream starts with a valid escape, consume an escaped code point and\n // append the returned code point to the <url-token>’s value.\n if (isValidEscape(code, getCharCode(offset + 1))) {\n offset = consumeEscaped(source, offset) - 1;\n break;\n }\n\n // Otherwise, this is a parse error. Consume the remnants of a bad url,\n // create a <bad-url-token>, and return it.\n offset = consumeBadUrlRemnants(source, offset);\n type = TYPE.BadUrl;\n return;\n\n // anything else\n // Append the current input code point to the <url-token>’s value.\n }\n }\n }\n\n // ensure source is a string\n source = String(source || '');\n\n const sourceLength = source.length;\n let start = isBOM(getCharCode(0));\n let offset = start;\n let type;\n\n // https://drafts.csswg.org/css-syntax-3/#consume-token\n // § 4.3.1. Consume a token\n while (offset < sourceLength) {\n const code = source.charCodeAt(offset);\n\n switch (charCodeCategory(code)) {\n // whitespace\n case WhiteSpaceCategory:\n // Consume as much whitespace as possible. Return a <whitespace-token>.\n type = TYPE.WhiteSpace;\n offset = findWhiteSpaceEnd(source, offset + 1);\n break;\n\n // U+0022 QUOTATION MARK (\")\n case 0x0022:\n // Consume a string token and return it.\n consumeStringToken();\n break;\n\n // U+0023 NUMBER SIGN (#)\n case 0x0023:\n // If the next input code point is a name code point or the next two input code points are a valid escape, then:\n if (isName(getCharCode(offset + 1)) || isValidEscape(getCharCode(offset + 1), getCharCode(offset + 2))) {\n // Create a <hash-token>.\n type = TYPE.Hash;\n\n // If the next 3 input code points would start an identifier, set the <hash-token>’s type flag to \"id\".\n // if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {\n // // TODO: set id flag\n // }\n\n // Consume a name, and set the <hash-token>’s value to the returned string.\n offset = consumeName(source, offset + 1);\n\n // Return the <hash-token>.\n } else {\n // Otherwise, return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n\n break;\n\n // U+0027 APOSTROPHE (')\n case 0x0027:\n // Consume a string token and return it.\n consumeStringToken();\n break;\n\n // U+0028 LEFT PARENTHESIS (()\n case 0x0028:\n // Return a <(-token>.\n type = TYPE.LeftParenthesis;\n offset++;\n break;\n\n // U+0029 RIGHT PARENTHESIS ())\n case 0x0029:\n // Return a <)-token>.\n type = TYPE.RightParenthesis;\n offset++;\n break;\n\n // U+002B PLUS SIGN (+)\n case 0x002B:\n // If the input stream starts with a number, ...\n if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\n // ... reconsume the current input code point, consume a numeric token, and return it.\n consumeNumericToken();\n } else {\n // Otherwise, return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n break;\n\n // U+002C COMMA (,)\n case 0x002C:\n // Return a <comma-token>.\n type = TYPE.Comma;\n offset++;\n break;\n\n // U+002D HYPHEN-MINUS (-)\n case 0x002D:\n // If the input stream starts with a number, reconsume the current input code point, consume a numeric token, and return it.\n if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\n consumeNumericToken();\n } else {\n // Otherwise, if the next 2 input code points are U+002D HYPHEN-MINUS U+003E GREATER-THAN SIGN (->), consume them and return a <CDC-token>.\n if (getCharCode(offset + 1) === 0x002D &&\n getCharCode(offset + 2) === 0x003E) {\n type = TYPE.CDC;\n offset = offset + 3;\n } else {\n // Otherwise, if the input stream starts with an identifier, ...\n if (isIdentifierStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\n // ... reconsume the current input code point, consume an ident-like token, and return it.\n consumeIdentLikeToken();\n } else {\n // Otherwise, return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n }\n }\n break;\n\n // U+002E FULL STOP (.)\n case 0x002E:\n // If the input stream starts with a number, ...\n if (isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {\n // ... reconsume the current input code point, consume a numeric token, and return it.\n consumeNumericToken();\n } else {\n // Otherwise, return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n\n break;\n\n // U+002F SOLIDUS (/)\n case 0x002F:\n // If the next two input code point are U+002F SOLIDUS (/) followed by a U+002A ASTERISK (*),\n if (getCharCode(offset + 1) === 0x002A) {\n // ... consume them and all following code points up to and including the first U+002A ASTERISK (*)\n // followed by a U+002F SOLIDUS (/), or up to an EOF code point.\n type = TYPE.Comment;\n offset = source.indexOf('*/', offset + 2);\n offset = offset === -1 ? source.length : offset + 2;\n } else {\n type = TYPE.Delim;\n offset++;\n }\n break;\n\n // U+003A COLON (:)\n case 0x003A:\n // Return a <colon-token>.\n type = TYPE.Colon;\n offset++;\n break;\n\n // U+003B SEMICOLON (;)\n case 0x003B:\n // Return a <semicolon-token>.\n type = TYPE.Semicolon;\n offset++;\n break;\n\n // U+003C LESS-THAN SIGN (<)\n case 0x003C:\n // If the next 3 input code points are U+0021 EXCLAMATION MARK U+002D HYPHEN-MINUS U+002D HYPHEN-MINUS (!--), ...\n if (getCharCode(offset + 1) === 0x0021 &&\n getCharCode(offset + 2) === 0x002D &&\n getCharCode(offset + 3) === 0x002D) {\n // ... consume them and return a <CDO-token>.\n type = TYPE.CDO;\n offset = offset + 4;\n } else {\n // Otherwise, return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n\n break;\n\n // U+0040 COMMERCIAL AT (@)\n case 0x0040:\n // If the next 3 input code points would start an identifier, ...\n if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {\n // ... consume a name, create an <at-keyword-token> with its value set to the returned value, and return it.\n type = TYPE.AtKeyword;\n offset = consumeName(source, offset + 1);\n } else {\n // Otherwise, return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n\n break;\n\n // U+005B LEFT SQUARE BRACKET ([)\n case 0x005B:\n // Return a <[-token>.\n type = TYPE.LeftSquareBracket;\n offset++;\n break;\n\n // U+005C REVERSE SOLIDUS (\\)\n case 0x005C:\n // If the input stream starts with a valid escape, ...\n if (isValidEscape(code, getCharCode(offset + 1))) {\n // ... reconsume the current input code point, consume an ident-like token, and return it.\n consumeIdentLikeToken();\n } else {\n // Otherwise, this is a parse error. Return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n break;\n\n // U+005D RIGHT SQUARE BRACKET (])\n case 0x005D:\n // Return a <]-token>.\n type = TYPE.RightSquareBracket;\n offset++;\n break;\n\n // U+007B LEFT CURLY BRACKET ({)\n case 0x007B:\n // Return a <{-token>.\n type = TYPE.LeftCurlyBracket;\n offset++;\n break;\n\n // U+007D RIGHT CURLY BRACKET (})\n case 0x007D:\n // Return a <}-token>.\n type = TYPE.RightCurlyBracket;\n offset++;\n break;\n\n // digit\n case DigitCategory:\n // Reconsume the current input code point, consume a numeric token, and return it.\n consumeNumericToken();\n break;\n\n // name-start code point\n case NameStartCategory:\n // Reconsume the current input code point, consume an ident-like token, and return it.\n consumeIdentLikeToken();\n break;\n\n // EOF\n // case EofCategory:\n // Return an <EOF-token>.\n // break;\n\n // anything else\n default:\n // Return a <delim-token> with its value set to the current input code point.\n type = TYPE.Delim;\n offset++;\n }\n\n // put token to stream\n onToken(type, start, start = offset);\n }\n}\n\nexport * from './types.js';\nexport * as tokenTypes from './types.js';\nexport { default as tokenNames } from './names.js';\nexport * from './char-code-definitions.js';\nexport * from './utils.js';\nexport * from './OffsetToLocation.js';\nexport * from './TokenStream.js';\n","//\n// list\n// ┌──────â”\n// ┌──────────────┼─head │\n// │ │ tail─┼──────────────â”\n// │ └──────┘ │\n// â–¼ â–¼\n// item item item item\n// ┌──────┠┌──────┠┌──────┠┌──────â”\n// null ◀──┼─prev │◀───┼─prev │◀───┼─prev │◀───┼─prev │\n// │ next─┼───▶│ next─┼───▶│ next─┼───▶│ next─┼──▶ null\n// ├──────┤ ├──────┤ ├──────┤ ├──────┤\n// │ data │ │ data │ │ data │ │ data │\n// └──────┘ └──────┘ └──────┘ └──────┘\n//\n\nlet releasedCursors = null;\n\nexport class List {\n static createItem(data) {\n return {\n prev: null,\n next: null,\n data\n };\n }\n\n constructor() {\n this.head = null;\n this.tail = null;\n this.cursor = null;\n }\n createItem(data) {\n return List.createItem(data);\n }\n\n // cursor helpers\n allocateCursor(prev, next) {\n let cursor;\n\n if (releasedCursors !== null) {\n cursor = releasedCursors;\n releasedCursors = releasedCursors.cursor;\n cursor.prev = prev;\n cursor.next = next;\n cursor.cursor = this.cursor;\n } else {\n cursor = {\n prev,\n next,\n cursor: this.cursor\n };\n }\n\n this.cursor = cursor;\n\n return cursor;\n }\n releaseCursor() {\n const { cursor } = this;\n\n this.cursor = cursor.cursor;\n cursor.prev = null;\n cursor.next = null;\n cursor.cursor = releasedCursors;\n releasedCursors = cursor;\n }\n updateCursors(prevOld, prevNew, nextOld, nextNew) {\n let { cursor } = this;\n\n while (cursor !== null) {\n if (cursor.prev === prevOld) {\n cursor.prev = prevNew;\n }\n\n if (cursor.next === nextOld) {\n cursor.next = nextNew;\n }\n\n cursor = cursor.cursor;\n }\n }\n *[Symbol.iterator]() {\n for (let cursor = this.head; cursor !== null; cursor = cursor.next) {\n yield cursor.data;\n }\n }\n\n // getters\n get size() {\n let size = 0;\n\n for (let cursor = this.head; cursor !== null; cursor = cursor.next) {\n size++;\n }\n\n return size;\n }\n get isEmpty() {\n return this.head === null;\n }\n get first() {\n return this.head && this.head.data;\n }\n get last() {\n return this.tail && this.tail.data;\n }\n\n // convertors\n fromArray(array) {\n let cursor = null;\n this.head = null;\n\n for (let data of array) {\n const item = List.createItem(data);\n\n if (cursor !== null) {\n cursor.next = item;\n } else {\n this.head = item;\n }\n\n item.prev = cursor;\n cursor = item;\n }\n\n this.tail = cursor;\n return this;\n }\n toArray() {\n return [...this];\n }\n toJSON() {\n return [...this];\n }\n\n // array-like methods\n forEach(fn, thisArg = this) {\n // push cursor\n const cursor = this.allocateCursor(null, this.head);\n\n while (cursor.next !== null) {\n const item = cursor.next;\n cursor.next = item.next;\n fn.call(thisArg, item.data, item, this);\n }\n\n // pop cursor\n this.releaseCursor();\n }\n forEachRight(fn, thisArg = this) {\n // push cursor\n const cursor = this.allocateCursor(this.tail, null);\n\n while (cursor.prev !== null) {\n const item = cursor.prev;\n cursor.prev = item.prev;\n fn.call(thisArg, item.data, item, this);\n }\n\n // pop cursor\n this.releaseCursor();\n }\n reduce(fn, initialValue, thisArg = this) {\n // push cursor\n let cursor = this.allocateCursor(null, this.head);\n let acc = initialValue;\n let item;\n\n while (cursor.next !== null) {\n item = cursor.next;\n cursor.next = item.next;\n\n acc = fn.call(thisArg, acc, item.data, item, this);\n }\n\n // pop cursor\n this.releaseCursor();\n\n return acc;\n }\n reduceRight(fn, initialValue, thisArg = this) {\n // push cursor\n let cursor = this.allocateCursor(this.tail, null);\n let acc = initialValue;\n let item;\n\n while (cursor.prev !== null) {\n item = cursor.prev;\n cursor.prev = item.prev;\n\n acc = fn.call(thisArg, acc, item.data, item, this);\n }\n\n // pop cursor\n this.releaseCursor();\n\n return acc;\n }\n some(fn, thisArg = this) {\n for (let cursor = this.head; cursor !== null; cursor = cursor.next) {\n if (fn.call(thisArg, cursor.data, cursor, this)) {\n return true;\n }\n }\n\n return false;\n }\n map(fn, thisArg = this) {\n const result = new List();\n\n for (let cursor = this.head; cursor !== null; cursor = cursor.next) {\n result.appendData(fn.call(thisArg, cursor.data, cursor, this));\n }\n\n return result;\n }\n filter(fn, thisArg = this) {\n const result = new List();\n\n for (let cursor = this.head; cursor !== null; cursor = cursor.next) {\n if (fn.call(thisArg, cursor.data, cursor, this)) {\n result.appendData(cursor.data);\n }\n }\n\n return result;\n }\n\n nextUntil(start, fn, thisArg = this) {\n if (start === null) {\n return;\n }\n\n // push cursor\n const cursor = this.allocateCursor(null, start);\n\n while (cursor.next !== null) {\n const item = cursor.next;\n cursor.next = item.next;\n if (fn.call(thisArg, item.data, item, this)) {\n break;\n }\n }\n\n // pop cursor\n this.releaseCursor();\n }\n prevUntil(start, fn, thisArg = this) {\n if (start === null) {\n return;\n }\n\n // push cursor\n const cursor = this.allocateCursor(start, null);\n\n while (cursor.prev !== null) {\n const item = cursor.prev;\n cursor.prev = item.prev;\n if (fn.call(thisArg, item.data, item, this)) {\n break;\n }\n }\n\n // pop cursor\n this.releaseCursor();\n }\n\n // mutation\n clear() {\n this.head = null;\n this.tail = null;\n }\n copy() {\n const result = new List();\n\n for (let data of this) {\n result.appendData(data);\n }\n\n return result;\n }\n prepend(item) {\n // head\n // ^\n // item\n this.updateCursors(null, item, this.head, item);\n\n // insert to the beginning of the list\n if (this.head !== null) {\n // new item <- first item\n this.head.prev = item;\n // new item -> first item\n item.next = this.head;\n } else {\n // if list has no head, then it also has no tail\n // in this case tail points to the new item\n this.tail = item;\n }\n\n // head always points to new item\n this.head = item;\n return this;\n }\n prependData(data) {\n return this.prepend(List.createItem(data));\n }\n append(item) {\n return this.insert(item);\n }\n appendData(data) {\n return this.insert(List.createItem(data));\n }\n insert(item, before = null) {\n if (before !== null) {\n // prev before\n // ^\n // item\n this.updateCursors(before.prev, item, before, item);\n\n if (before.prev === null) {\n // insert to the beginning of list\n if (this.head !== before) {\n throw new Error('before doesn\\'t belong to list');\n }\n // since head points to before therefore list doesn't empty\n // no need to check tail\n this.head = item;\n before.prev = item;\n item.next = before;\n this.updateCursors(null, item);\n } else {\n // insert between two items\n before.prev.next = item;\n item.prev = before.prev;\n before.prev = item;\n item.next = before;\n }\n } else {\n // tail\n // ^\n // item\n this.updateCursors(this.tail, item, null, item);\n\n // insert to the ending of the list\n if (this.tail !== null) {\n // last item -> new item\n this.tail.next = item;\n // last item <- new item\n item.prev = this.tail;\n } else {\n // if list has no tail, then it also has no head\n // in this case head points to new item\n this.head = item;\n }\n\n // tail always points to new item\n this.tail = item;\n }\n\n return this;\n }\n insertData(data, before) {\n return this.insert(List.createItem(data), before);\n }\n remove(item) {\n // item\n // ^\n // prev next\n this.updateCursors(item, item.prev, item, item.next);\n\n if (item.prev !== null) {\n item.prev.next = item.next;\n } else {\n if (this.head !== item) {\n throw new Error('item doesn\\'t belong to list');\n }\n\n this.head = item.next;\n }\n\n if (item.next !== null) {\n item.next.prev = item.prev;\n } else {\n if (this.tail !== item) {\n throw new Error('item doesn\\'t belong to list');\n }\n\n this.tail = item.prev;\n }\n\n item.prev = null;\n item.next = null;\n\n return item;\n }\n push(data) {\n this.insert(List.createItem(data));\n }\n pop() {\n return this.tail !== null ? this.remove(this.tail) : null;\n }\n unshift(data) {\n this.prepend(List.createItem(data));\n }\n shift() {\n return this.head !== null ? this.remove(this.head) : null;\n }\n prependList(list) {\n return this.insertList(list, this.head);\n }\n appendList(list) {\n return this.insertList(list);\n }\n insertList(list, before) {\n // ignore empty lists\n if (list.head === null) {\n return this;\n }\n\n if (before !== undefined && before !== null) {\n this.updateCursors(before.prev, list.tail, before, list.head);\n\n // insert in the middle of dist list\n if (before.prev !== null) {\n // before.prev <-> list.head\n before.prev.next = list.head;\n list.head.prev = before.prev;\n } else {\n this.head = list.head;\n }\n\n before.prev = list.tail;\n list.tail.next = before;\n } else {\n this.updateCursors(this.tail, list.tail, null, list.head);\n\n // insert to end of the list\n if (this.tail !== null) {\n // if destination list has a tail, then it also has a head,\n // but head doesn't change\n // dest tail -> source head\n this.tail.next = list.head;\n // dest tail <- source head\n list.head.prev = this.tail;\n } else {\n // if list has no a tail, then it also has no a head\n // in this case points head to new item\n this.head = list.head;\n }\n\n // tail always start point to new item\n this.tail = list.tail;\n }\n\n list.head = null;\n list.tail = null;\n return this;\n }\n replace(oldItem, newItemOrList) {\n if ('head' in newItemOrList) {\n this.insertList(newItemOrList, oldItem);\n } else {\n this.insert(newItemOrList, oldItem);\n }\n\n this.remove(oldItem);\n }\n}\n","export function createCustomError(name, message) {\n // use Object.create(), because some VMs prevent setting line/column otherwise\n // (iOS Safari 10 even throws an exception)\n const error = Object.create(SyntaxError.prototype);\n const errorStack = new Error();\n\n return Object.assign(error, {\n name,\n message,\n get stack() {\n return (errorStack.stack || '').replace(/^(.+\\n){1,3}/, `${name}: ${message}\\n`);\n }\n });\n};\n","import { createCustomError } from '../utils/create-custom-error.js';\n\nconst MAX_LINE_LENGTH = 100;\nconst OFFSET_CORRECTION = 60;\nconst TAB_REPLACEMENT = ' ';\n\nfunction sourceFragment({ source, line, column }, extraLines) {\n function processLines(start, end) {\n return lines\n .slice(start, end)\n .map((line, idx) =>\n String(start + idx + 1).padStart(maxNumLength) + ' |' + line\n ).join('\\n');\n }\n\n const lines = source.split(/\\r\\n?|\\n|\\f/);\n const startLine = Math.max(1, line - extraLines) - 1;\n const endLine = Math.min(line + extraLines, lines.length + 1);\n const maxNumLength = Math.max(4, String(endLine).length) + 1;\n let cutLeft = 0;\n\n // column correction according to replaced tab before column\n column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\\t/g) || []).length;\n\n if (column > MAX_LINE_LENGTH) {\n cutLeft = column - OFFSET_CORRECTION + 3;\n column = OFFSET_CORRECTION - 2;\n }\n\n for (let i = startLine; i <= endLine; i++) {\n if (i >= 0 && i < lines.length) {\n lines[i] = lines[i].replace(/\\t/g, TAB_REPLACEMENT);\n lines[i] =\n (cutLeft > 0 && lines[i].length > cutLeft ? '\\u2026' : '') +\n lines[i].substr(cutLeft, MAX_LINE_LENGTH - 2) +\n (lines[i].length > cutLeft + MAX_LINE_LENGTH - 1 ? '\\u2026' : '');\n }\n }\n\n return [\n processLines(startLine, line),\n new Array(column + maxNumLength + 2).join('-') + '^',\n processLines(line, endLine)\n ].filter(Boolean).join('\\n');\n}\n\nexport function SyntaxError(message, source, offset, line, column) {\n const error = Object.assign(createCustomError('SyntaxError', message), {\n source,\n offset,\n line,\n column,\n sourceFragment(extraLines) {\n return sourceFragment({ source, line, column }, isNaN(extraLines) ? 0 : extraLines);\n },\n get formattedMessage() {\n return (\n `Parse error: ${message}\\n` +\n sourceFragment({ source, line, column }, 2)\n );\n }\n });\n\n return error;\n}\n","import { WhiteSpace, Comment } from '../tokenizer/index.js';\n\nexport function readSequence(recognizer) {\n const children = this.createList();\n let space = false;\n const context = {\n recognizer\n };\n\n while (!this.eof) {\n switch (this.tokenType) {\n case Comment:\n this.next();\n continue;\n\n case WhiteSpace:\n space = true;\n this.next();\n continue;\n }\n\n let child = recognizer.getNode.call(this, context);\n\n if (child === undefined) {\n break;\n }\n\n if (space) {\n if (recognizer.onWhiteSpace) {\n recognizer.onWhiteSpace.call(this, child, children, context);\n }\n space = false;\n }\n\n children.push(child);\n }\n\n if (space && recognizer.onWhiteSpace) {\n recognizer.onWhiteSpace.call(this, null, children, context);\n }\n\n return children;\n};\n","import { List } from '../utils/List.js';\nimport { SyntaxError } from './SyntaxError.js';\nimport {\n tokenize,\n OffsetToLocation,\n TokenStream,\n tokenNames,\n\n consumeNumber,\n findWhiteSpaceStart,\n cmpChar,\n cmpStr,\n\n WhiteSpace,\n Comment,\n Ident,\n Function as FunctionToken,\n Url,\n Hash,\n Percentage,\n Number as NumberToken\n} from '../tokenizer/index.js';\nimport { readSequence } from './sequence.js';\n\nconst NOOP = () => {};\nconst EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\nconst NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)\nconst SEMICOLON = 0x003B; // U+003B SEMICOLON (;)\nconst LEFTCURLYBRACKET = 0x007B; // U+007B LEFT CURLY BRACKET ({)\nconst NULL = 0;\n\nfunction createParseContext(name) {\n return function() {\n return this[name]();\n };\n}\n\nfunction fetchParseValues(dict) {\n const result = Object.create(null);\n\n for (const name in dict) {\n const item = dict[name];\n const fn = item.parse || item;\n\n if (fn) {\n result[name] = fn;\n }\n }\n\n return result;\n}\n\nfunction processConfig(config) {\n const parseConfig = {\n context: Object.create(null),\n scope: Object.assign(Object.create(null), config.scope),\n atrule: fetchParseValues(config.atrule),\n pseudo: fetchParseValues(config.pseudo),\n node: fetchParseValues(config.node)\n };\n\n for (const name in config.parseContext) {\n switch (typeof config.parseContext[name]) {\n case 'function':\n parseConfig.context[name] = config.parseContext[name];\n break;\n\n case 'string':\n parseConfig.context[name] = createParseContext(config.parseContext[name]);\n break;\n }\n }\n\n return {\n config: parseConfig,\n ...parseConfig,\n ...parseConfig.node\n };\n}\n\nexport function createParser(config) {\n let source = '';\n let filename = '<unknown>';\n let needPositions = false;\n let onParseError = NOOP;\n let onParseErrorThrow = false;\n\n const locationMap = new OffsetToLocation();\n const parser = Object.assign(new TokenStream(), processConfig(config || {}), {\n parseAtrulePrelude: true,\n parseRulePrelude: true,\n parseValue: true,\n parseCustomProperty: false,\n\n readSequence,\n\n consumeUntilBalanceEnd: () => 0,\n consumeUntilLeftCurlyBracket(code) {\n return code === LEFTCURLYBRACKET ? 1 : 0;\n },\n consumeUntilLeftCurlyBracketOrSemicolon(code) {\n return code === LEFTCURLYBRACKET || code === SEMICOLON ? 1 : 0;\n },\n consumeUntilExclamationMarkOrSemicolon(code) {\n return code === EXCLAMATIONMARK || code === SEMICOLON ? 1 : 0;\n },\n consumeUntilSemicolonIncluded(code) {\n return code === SEMICOLON ? 2 : 0;\n },\n\n createList() {\n return new List();\n },\n createSingleNodeList(node) {\n return new List().appendData(node);\n },\n getFirstListNode(list) {\n return list && list.first;\n },\n getLastListNode(list) {\n return list && list.last;\n },\n\n parseWithFallback(consumer, fallback) {\n const startToken = this.tokenIndex;\n\n try {\n return consumer.call(this);\n } catch (e) {\n if (onParseErrorThrow) {\n throw e;\n }\n\n const fallbackNode = fallback.call(this, startToken);\n\n onParseErrorThrow = true;\n onParseError(e, fallbackNode);\n onParseErrorThrow = false;\n\n return fallbackNode;\n }\n },\n\n lookupNonWSType(offset) {\n let type;\n\n do {\n type = this.lookupType(offset++);\n if (type !== WhiteSpace) {\n return type;\n }\n } while (type !== NULL);\n\n return NULL;\n },\n\n charCodeAt(offset) {\n return offset >= 0 && offset < source.length ? source.charCodeAt(offset) : 0;\n },\n substring(offsetStart, offsetEnd) {\n return source.substring(offsetStart, offsetEnd);\n },\n substrToCursor(start) {\n return this.source.substring(start, this.tokenStart);\n },\n\n cmpChar(offset, charCode) {\n return cmpChar(source, offset, charCode);\n },\n cmpStr(offsetStart, offsetEnd, str) {\n return cmpStr(source, offsetStart, offsetEnd, str);\n },\n\n consume(tokenType) {\n const start = this.tokenStart;\n\n this.eat(tokenType);\n\n return this.substrToCursor(start);\n },\n consumeFunctionName() {\n const name = source.substring(this.tokenStart, this.tokenEnd - 1);\n\n this.eat(FunctionToken);\n\n return name;\n },\n consumeNumber(type) {\n const number = source.substring(this.tokenStart, consumeNumber(source, this.tokenStart));\n\n this.eat(type);\n\n return number;\n },\n\n eat(tokenType) {\n if (this.tokenType !== tokenType) {\n const tokenName = tokenNames[tokenType].slice(0, -6).replace(/-/g, ' ').replace(/^./, m => m.toUpperCase());\n let message = `${/[[\\](){}]/.test(tokenName) ? `\"${tokenName}\"` : tokenName} is expected`;\n let offset = this.tokenStart;\n\n // tweak message and offset\n switch (tokenType) {\n case Ident:\n // when identifier is expected but there is a function or url\n if (this.tokenType === FunctionToken || this.tokenType === Url) {\n offset = this.tokenEnd - 1;\n message = 'Identifier is expected but function found';\n } else {\n message = 'Identifier is expected';\n }\n break;\n\n case Hash:\n if (this.isDelim(NUMBERSIGN)) {\n this.next();\n offset++;\n message = 'Name is expected';\n }\n break;\n\n case Percentage:\n if (this.tokenType === NumberToken) {\n offset = this.tokenEnd;\n message = 'Percent sign is expected';\n }\n break;\n }\n\n this.error(message, offset);\n }\n\n this.next();\n },\n eatIdent(name) {\n if (this.tokenType !== Ident || this.lookupValue(0, name) === false) {\n this.error(`Identifier \"${name}\" is expected`);\n }\n\n this.next();\n },\n eatDelim(code) {\n if (!this.isDelim(code)) {\n this.error(`Delim \"${String.fromCharCode(code)}\" is expected`);\n }\n\n this.next();\n },\n\n getLocation(start, end) {\n if (needPositions) {\n return locationMap.getLocationRange(\n start,\n end,\n filename\n );\n }\n\n return null;\n },\n getLocationFromList(list) {\n if (needPositions) {\n const head = this.getFirstListNode(list);\n const tail = this.getLastListNode(list);\n return locationMap.getLocationRange(\n head !== null ? head.loc.start.offset - locationMap.startOffset : this.tokenStart,\n tail !== null ? tail.loc.end.offset - locationMap.startOffset : this.tokenStart,\n filename\n );\n }\n\n return null;\n },\n\n error(message, offset) {\n const location = typeof offset !== 'undefined' && offset < source.length\n ? locationMap.getLocation(offset)\n : this.eof\n ? locationMap.getLocation(findWhiteSpaceStart(source, source.length - 1))\n : locationMap.getLocation(this.tokenStart);\n\n throw new SyntaxError(\n message || 'Unexpected input',\n source,\n location.offset,\n location.line,\n location.column\n );\n }\n });\n\n const parse = function(source_, options) {\n source = source_;\n options = options || {};\n\n parser.setSource(source, tokenize);\n locationMap.setSource(\n source,\n options.offset,\n options.line,\n options.column\n );\n\n filename = options.filename || '<unknown>';\n needPositions = Boolean(options.positions);\n onParseError = typeof options.onParseError === 'function' ? options.onParseError : NOOP;\n onParseErrorThrow = false;\n\n parser.parseAtrulePrelude = 'parseAtrulePrelude' in options ? Boolean(options.parseAtrulePrelude) : true;\n parser.parseRulePrelude = 'parseRulePrelude' in options ? Boolean(options.parseRulePrelude) : true;\n parser.parseValue = 'parseValue' in options ? Boolean(options.parseValue) : true;\n parser.parseCustomProperty = 'parseCustomProperty' in options ? Boolean(options.parseCustomProperty) : false;\n\n const { context = 'default', onComment } = options;\n\n if (context in parser.context === false) {\n throw new Error('Unknown context `' + context + '`');\n }\n\n if (typeof onComment === 'function') {\n parser.forEachToken((type, start, end) => {\n if (type === Comment) {\n const loc = parser.getLocation(start, end);\n const value = cmpStr(source, end - 2, end, '*/')\n ? source.slice(start + 2, end - 2)\n : source.slice(start + 2, end);\n\n onComment(value, loc);\n }\n });\n }\n\n const ast = parser.context[context].call(parser, options);\n\n if (!parser.eof) {\n parser.error();\n }\n\n return ast;\n };\n\n return Object.assign(parse, {\n SyntaxError,\n config: parser.config\n });\n};\n","import { SourceMapGenerator } from 'source-map-js/lib/source-map-generator.js';\n\nconst trackNodes = new Set(['Atrule', 'Selector', 'Declaration']);\n\nexport function generateSourceMap(handlers) {\n const map = new SourceMapGenerator();\n const generated = {\n line: 1,\n column: 0\n };\n const original = {\n line: 0, // should be zero to add first mapping\n column: 0\n };\n const activatedGenerated = {\n line: 1,\n column: 0\n };\n const activatedMapping = {\n generated: activatedGenerated\n };\n let line = 1;\n let column = 0;\n let sourceMappingActive = false;\n\n const origHandlersNode = handlers.node;\n handlers.node = function(node) {\n if (node.loc && node.loc.start && trackNodes.has(node.type)) {\n const nodeLine = node.loc.start.line;\n const nodeColumn = node.loc.start.column - 1;\n\n if (original.line !== nodeLine ||\n original.column !== nodeColumn) {\n original.line = nodeLine;\n original.column = nodeColumn;\n\n generated.line = line;\n generated.column = column;\n\n if (sourceMappingActive) {\n sourceMappingActive = false;\n if (generated.line !== activatedGenerated.line ||\n generated.column !== activatedGenerated.column) {\n map.addMapping(activatedMapping);\n }\n }\n\n sourceMappingActive = true;\n map.addMapping({\n source: node.loc.source,\n original,\n generated\n });\n }\n }\n\n origHandlersNode.call(this, node);\n\n if (sourceMappingActive && trackNodes.has(node.type)) {\n activatedGenerated.line = line;\n activatedGenerated.column = column;\n }\n };\n\n const origHandlersEmit = handlers.emit;\n handlers.emit = function(value, type, auto) {\n for (let i = 0; i < value.length; i++) {\n if (value.charCodeAt(i) === 10) { // \\n\n line++;\n column = 0;\n } else {\n column++;\n }\n }\n\n origHandlersEmit(value, type, auto);\n };\n\n const origHandlersResult = handlers.result;\n handlers.result = function() {\n if (sourceMappingActive) {\n map.addMapping(activatedMapping);\n }\n\n return {\n css: origHandlersResult(),\n map\n };\n };\n\n return handlers;\n};\n","import {\n WhiteSpace,\n Delim,\n Ident,\n Function as FunctionToken,\n Url,\n BadUrl,\n AtKeyword,\n Hash,\n Percentage,\n Dimension,\n Number as NumberToken,\n String as StringToken,\n Colon,\n LeftParenthesis,\n RightParenthesis,\n CDC\n} from '../tokenizer/index.js';\n\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\n\nconst code = (type, value) => {\n if (type === Delim) {\n type = value;\n }\n\n if (typeof type === 'string') {\n const charCode = type.charCodeAt(0);\n return charCode > 0x7F ? 0x8000 : charCode << 8;\n }\n\n return type;\n};\n\n// https://www.w3.org/TR/css-syntax-3/#serialization\n// The only requirement for serialization is that it must \"round-trip\" with parsing,\n// that is, parsing the stylesheet must produce the same data structures as parsing,\n// serializing, and parsing again, except for consecutive <whitespace-token>s,\n// which may be collapsed into a single token.\n\nconst specPairs = [\n [Ident, Ident],\n [Ident, FunctionToken],\n [Ident, Url],\n [Ident, BadUrl],\n [Ident, '-'],\n [Ident, NumberToken],\n [Ident, Percentage],\n [Ident, Dimension],\n [Ident, CDC],\n [Ident, LeftParenthesis],\n\n [AtKeyword, Ident],\n [AtKeyword, FunctionToken],\n [AtKeyword, Url],\n [AtKeyword, BadUrl],\n [AtKeyword, '-'],\n [AtKeyword, NumberToken],\n [AtKeyword, Percentage],\n [AtKeyword, Dimension],\n [AtKeyword, CDC],\n\n [Hash, Ident],\n [Hash, FunctionToken],\n [Hash, Url],\n [Hash, BadUrl],\n [Hash, '-'],\n [Hash, NumberToken],\n [Hash, Percentage],\n [Hash, Dimension],\n [Hash, CDC],\n\n [Dimension, Ident],\n [Dimension, FunctionToken],\n [Dimension, Url],\n [Dimension, BadUrl],\n [Dimension, '-'],\n [Dimension, NumberToken],\n [Dimension, Percentage],\n [Dimension, Dimension],\n [Dimension, CDC],\n\n ['#', Ident],\n ['#', FunctionToken],\n ['#', Url],\n ['#', BadUrl],\n ['#', '-'],\n ['#', NumberToken],\n ['#', Percentage],\n ['#', Dimension],\n ['#', CDC], // https://github.com/w3c/csswg-drafts/pull/6874\n\n ['-', Ident],\n ['-', FunctionToken],\n ['-', Url],\n ['-', BadUrl],\n ['-', '-'],\n ['-', NumberToken],\n ['-', Percentage],\n ['-', Dimension],\n ['-', CDC], // https://github.com/w3c/csswg-drafts/pull/6874\n\n [NumberToken, Ident],\n [NumberToken, FunctionToken],\n [NumberToken, Url],\n [NumberToken, BadUrl],\n [NumberToken, NumberToken],\n [NumberToken, Percentage],\n [NumberToken, Dimension],\n [NumberToken, '%'],\n [NumberToken, CDC], // https://github.com/w3c/csswg-drafts/pull/6874\n\n ['@', Ident],\n ['@', FunctionToken],\n ['@', Url],\n ['@', BadUrl],\n ['@', '-'],\n ['@', CDC], // https://github.com/w3c/csswg-drafts/pull/6874\n\n ['.', NumberToken],\n ['.', Percentage],\n ['.', Dimension],\n\n ['+', NumberToken],\n ['+', Percentage],\n ['+', Dimension],\n\n ['/', '*']\n];\n// validate with scripts/generate-safe\nconst safePairs = specPairs.concat([\n [Ident, Hash],\n\n [Dimension, Hash],\n\n [Hash, Hash],\n\n [AtKeyword, LeftParenthesis],\n [AtKeyword, StringToken],\n [AtKeyword, Colon],\n\n [Percentage, Percentage],\n [Percentage, Dimension],\n [Percentage, FunctionToken],\n [Percentage, '-'],\n\n [RightParenthesis, Ident],\n [RightParenthesis, FunctionToken],\n [RightParenthesis, Percentage],\n [RightParenthesis, Dimension],\n [RightParenthesis, Hash],\n [RightParenthesis, '-']\n]);\n\nfunction createMap(pairs) {\n const isWhiteSpaceRequired = new Set(\n pairs.map(([prev, next]) => (code(prev) << 16 | code(next)))\n );\n\n return function(prevCode, type, value) {\n const nextCode = code(type, value);\n const nextCharCode = value.charCodeAt(0);\n const emitWs =\n (nextCharCode === HYPHENMINUS &&\n type !== Ident &&\n type !== FunctionToken &&\n type !== CDC) ||\n (nextCharCode === PLUSSIGN)\n ? isWhiteSpaceRequired.has(prevCode << 16 | nextCharCode << 8)\n : isWhiteSpaceRequired.has(prevCode << 16 | nextCode);\n\n if (emitWs) {\n this.emit(' ', WhiteSpace, true);\n }\n\n return nextCode;\n };\n}\n\nexport const spec = createMap(specPairs);\nexport const safe = createMap(safePairs);\n","import { tokenize, Delim, WhiteSpace } from '../tokenizer/index.js';\nimport { generateSourceMap } from './sourceMap.js';\nimport * as tokenBefore from './token-before.js';\n\nconst REVERSESOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\\)\n\nfunction processChildren(node, delimeter) {\n if (typeof delimeter === 'function') {\n let prev = null;\n\n node.children.forEach(node => {\n if (prev !== null) {\n delimeter.call(this, prev);\n }\n\n this.node(node);\n prev = node;\n });\n\n return;\n }\n\n node.children.forEach(this.node, this);\n}\n\nfunction processChunk(chunk) {\n tokenize(chunk, (type, start, end) => {\n this.token(type, chunk.slice(start, end));\n });\n}\n\nexport function createGenerator(config) {\n const types = new Map();\n\n for (let name in config.node) {\n const item = config.node[name];\n const fn = item.generate || item;\n\n if (typeof fn === 'function') {\n types.set(name, item.generate || item);\n }\n }\n\n return function(node, options) {\n let buffer = '';\n let prevCode = 0;\n let handlers = {\n node(node) {\n if (types.has(node.type)) {\n types.get(node.type).call(publicApi, node);\n } else {\n throw new Error('Unknown node type: ' + node.type);\n }\n },\n tokenBefore: tokenBefore.safe,\n token(type, value) {\n prevCode = this.tokenBefore(prevCode, type, value);\n\n this.emit(value, type, false);\n\n if (type === Delim && value.charCodeAt(0) === REVERSESOLIDUS) {\n this.emit('\\n', WhiteSpace, true);\n }\n },\n emit(value) {\n buffer += value;\n },\n result() {\n return buffer;\n }\n };\n\n if (options) {\n if (typeof options.decorator === 'function') {\n handlers = options.decorator(handlers);\n }\n\n if (options.sourceMap) {\n handlers = generateSourceMap(handlers);\n }\n\n if (options.mode in tokenBefore) {\n handlers.tokenBefore = tokenBefore[options.mode];\n }\n }\n\n const publicApi = {\n node: (node) => handlers.node(node),\n children: processChildren,\n token: (type, value) => handlers.token(type, value),\n tokenize: processChunk\n };\n\n handlers.node(node);\n\n return handlers.result();\n };\n};\n","const { hasOwnProperty } = Object.prototype;\nconst noop = function() {};\n\nfunction ensureFunction(value) {\n return typeof value === 'function' ? value : noop;\n}\n\nfunction invokeForType(fn, type) {\n return function(node, item, list) {\n if (node.type === type) {\n fn.call(this, node, item, list);\n }\n };\n}\n\nfunction getWalkersFromStructure(name, nodeType) {\n const structure = nodeType.structure;\n const walkers = [];\n\n for (const key in structure) {\n if (hasOwnProperty.call(structure, key) === false) {\n continue;\n }\n\n let fieldTypes = structure[key];\n const walker = {\n name: key,\n type: false,\n nullable: false\n };\n\n if (!Array.isArray(fieldTypes)) {\n fieldTypes = [fieldTypes];\n }\n\n for (const fieldType of fieldTypes) {\n if (fieldType === null) {\n walker.nullable = true;\n } else if (typeof fieldType === 'string') {\n walker.type = 'node';\n } else if (Array.isArray(fieldType)) {\n walker.type = 'list';\n }\n }\n\n if (walker.type) {\n walkers.push(walker);\n }\n }\n\n if (walkers.length) {\n return {\n context: nodeType.walkContext,\n fields: walkers\n };\n }\n\n return null;\n}\n\nfunction getTypesFromConfig(config) {\n const types = {};\n\n for (const name in config.node) {\n if (hasOwnProperty.call(config.node, name)) {\n const nodeType = config.node[name];\n\n if (!nodeType.structure) {\n throw new Error('Missed `structure` field in `' + name + '` node type definition');\n }\n\n types[name] = getWalkersFromStructure(name, nodeType);\n }\n }\n\n return types;\n}\n\nfunction createTypeIterator(config, reverse) {\n const fields = config.fields.slice();\n const contextName = config.context;\n const useContext = typeof contextName === 'string';\n\n if (reverse) {\n fields.reverse();\n }\n\n return function(node, context, walk, walkReducer) {\n let prevContextValue;\n\n if (useContext) {\n prevContextValue = context[contextName];\n context[contextName] = node;\n }\n\n for (const field of fields) {\n const ref = node[field.name];\n\n if (!field.nullable || ref) {\n if (field.type === 'list') {\n const breakWalk = reverse\n ? ref.reduceRight(walkReducer, false)\n : ref.reduce(walkReducer, false);\n\n if (breakWalk) {\n return true;\n }\n } else if (walk(ref)) {\n return true;\n }\n }\n }\n\n if (useContext) {\n context[contextName] = prevContextValue;\n }\n };\n}\n\nfunction createFastTraveralMap({\n StyleSheet,\n Atrule,\n Rule,\n Block,\n DeclarationList\n}) {\n return {\n Atrule: {\n StyleSheet,\n Atrule,\n Rule,\n Block\n },\n Rule: {\n StyleSheet,\n Atrule,\n Rule,\n Block\n },\n Declaration: {\n StyleSheet,\n Atrule,\n Rule,\n Block,\n DeclarationList\n }\n };\n}\n\nexport function createWalker(config) {\n const types = getTypesFromConfig(config);\n const iteratorsNatural = {};\n const iteratorsReverse = {};\n const breakWalk = Symbol('break-walk');\n const skipNode = Symbol('skip-node');\n\n for (const name in types) {\n if (hasOwnProperty.call(types, name) && types[name] !== null) {\n iteratorsNatural[name] = createTypeIterator(types[name], false);\n iteratorsReverse[name] = createTypeIterator(types[name], true);\n }\n }\n\n const fastTraversalIteratorsNatural = createFastTraveralMap(iteratorsNatural);\n const fastTraversalIteratorsReverse = createFastTraveralMap(iteratorsReverse);\n\n const walk = function(root, options) {\n function walkNode(node, item, list) {\n const enterRet = enter.call(context, node, item, list);\n\n if (enterRet === breakWalk) {\n return true;\n }\n\n if (enterRet === skipNode) {\n return false;\n }\n\n if (iterators.hasOwnProperty(node.type)) {\n if (iterators[node.type](node, context, walkNode, walkReducer)) {\n return true;\n }\n }\n\n if (leave.call(context, node, item, list) === breakWalk) {\n return true;\n }\n\n return false;\n }\n\n let enter = noop;\n let leave = noop;\n let iterators = iteratorsNatural;\n let walkReducer = (ret, data, item, list) => ret || walkNode(data, item, list);\n const context = {\n break: breakWalk,\n skip: skipNode,\n\n root,\n stylesheet: null,\n atrule: null,\n atrulePrelude: null,\n rule: null,\n selector: null,\n block: null,\n declaration: null,\n function: null\n };\n\n if (typeof options === 'function') {\n enter = options;\n } else if (options) {\n enter = ensureFunction(options.enter);\n leave = ensureFunction(options.leave);\n\n if (options.reverse) {\n iterators = iteratorsReverse;\n }\n\n if (options.visit) {\n if (fastTraversalIteratorsNatural.hasOwnProperty(options.visit)) {\n iterators = options.reverse\n ? fastTraversalIteratorsReverse[options.visit]\n : fastTraversalIteratorsNatural[options.visit];\n } else if (!types.hasOwnProperty(options.visit)) {\n throw new Error('Bad value `' + options.visit + '` for `visit` option (should be: ' + Object.keys(types).sort().join(', ') + ')');\n }\n\n enter = invokeForType(enter, options.visit);\n leave = invokeForType(leave, options.visit);\n }\n }\n\n if (enter === noop && leave === noop) {\n throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\\'t a function');\n }\n\n walkNode(root);\n };\n\n walk.break = breakWalk;\n walk.skip = skipNode;\n\n walk.find = function(ast, fn) {\n let found = null;\n\n walk(ast, function(node, item, list) {\n if (fn.call(this, node, item, list)) {\n found = node;\n return breakWalk;\n }\n });\n\n return found;\n };\n\n walk.findLast = function(ast, fn) {\n let found = null;\n\n walk(ast, {\n reverse: true,\n enter(node, item, list) {\n if (fn.call(this, node, item, list)) {\n found = node;\n return breakWalk;\n }\n }\n });\n\n return found;\n };\n\n walk.findAll = function(ast, fn) {\n const found = [];\n\n walk(ast, function(node, item, list) {\n if (fn.call(this, node, item, list)) {\n found.push(node);\n }\n });\n\n return found;\n };\n\n return walk;\n};\n","function noop(value) {\n return value;\n}\n\nfunction generateMultiplier(multiplier) {\n const { min, max, comma } = multiplier;\n\n if (min === 0 && max === 0) {\n return comma ? '#?' : '*';\n }\n\n if (min === 0 && max === 1) {\n return '?';\n }\n\n if (min === 1 && max === 0) {\n return comma ? '#' : '+';\n }\n\n if (min === 1 && max === 1) {\n return '';\n }\n\n return (\n (comma ? '#' : '') +\n (min === max\n ? '{' + min + '}'\n : '{' + min + ',' + (max !== 0 ? max : '') + '}'\n )\n );\n}\n\nfunction generateTypeOpts(node) {\n switch (node.type) {\n case 'Range':\n return (\n ' [' +\n (node.min === null ? '-∞' : node.min) +\n ',' +\n (node.max === null ? '∞' : node.max) +\n ']'\n );\n\n default:\n throw new Error('Unknown node type `' + node.type + '`');\n }\n}\n\nfunction generateSequence(node, decorate, forceBraces, compact) {\n const combinator = node.combinator === ' ' || compact ? node.combinator : ' ' + node.combinator + ' ';\n const result = node.terms\n .map(term => internalGenerate(term, decorate, forceBraces, compact))\n .join(combinator);\n\n if (node.explicit || forceBraces) {\n return (compact || result[0] === ',' ? '[' : '[ ') + result + (compact ? ']' : ' ]');\n }\n\n return result;\n}\n\nfunction internalGenerate(node, decorate, forceBraces, compact) {\n let result;\n\n switch (node.type) {\n case 'Group':\n result =\n generateSequence(node, decorate, forceBraces, compact) +\n (node.disallowEmpty ? '!' : '');\n break;\n\n case 'Multiplier':\n // return since node is a composition\n return (\n internalGenerate(node.term, decorate, forceBraces, compact) +\n decorate(generateMultiplier(node), node)\n );\n\n case 'Type':\n result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>';\n break;\n\n case 'Property':\n result = '<\\'' + node.name + '\\'>';\n break;\n\n case 'Keyword':\n result = node.name;\n break;\n\n case 'AtKeyword':\n result = '@' + node.name;\n break;\n\n case 'Function':\n result = node.name + '(';\n break;\n\n case 'String':\n case 'Token':\n result = node.value;\n break;\n\n case 'Comma':\n result = ',';\n break;\n\n default:\n throw new Error('Unknown node type `' + node.type + '`');\n }\n\n return decorate(result, node);\n}\n\nexport function generate(node, options) {\n let decorate = noop;\n let forceBraces = false;\n let compact = false;\n\n if (typeof options === 'function') {\n decorate = options;\n } else if (options) {\n forceBraces = Boolean(options.forceBraces);\n compact = Boolean(options.compact);\n if (typeof options.decorate === 'function') {\n decorate = options.decorate;\n }\n }\n\n return internalGenerate(node, decorate, forceBraces, compact);\n};\n","import { createCustomError } from '../utils/create-custom-error.js';\nimport { generate } from '../definition-syntax/generate.js';\n\nconst defaultLoc = { offset: 0, line: 1, column: 1 };\n\nfunction locateMismatch(matchResult, node) {\n const tokens = matchResult.tokens;\n const longestMatch = matchResult.longestMatch;\n const mismatchNode = longestMatch < tokens.length ? tokens[longestMatch].node || null : null;\n const badNode = mismatchNode !== node ? mismatchNode : null;\n let mismatchOffset = 0;\n let mismatchLength = 0;\n let entries = 0;\n let css = '';\n let start;\n let end;\n\n for (let i = 0; i < tokens.length; i++) {\n const token = tokens[i].value;\n\n if (i === longestMatch) {\n mismatchLength = token.length;\n mismatchOffset = css.length;\n }\n\n if (badNode !== null && tokens[i].node === badNode) {\n if (i <= longestMatch) {\n entries++;\n } else {\n entries = 0;\n }\n }\n\n css += token;\n }\n\n if (longestMatch === tokens.length || entries > 1) { // last\n start = fromLoc(badNode || node, 'end') || buildLoc(defaultLoc, css);\n end = buildLoc(start);\n } else {\n start = fromLoc(badNode, 'start') ||\n buildLoc(fromLoc(node, 'start') || defaultLoc, css.slice(0, mismatchOffset));\n end = fromLoc(badNode, 'end') ||\n buildLoc(start, css.substr(mismatchOffset, mismatchLength));\n }\n\n return {\n css,\n mismatchOffset,\n mismatchLength,\n start,\n end\n };\n}\n\nfunction fromLoc(node, point) {\n const value = node && node.loc && node.loc[point];\n\n if (value) {\n return 'line' in value ? buildLoc(value) : value;\n }\n\n return null;\n}\n\nfunction buildLoc({ offset, line, column }, extra) {\n const loc = {\n offset,\n line,\n column\n };\n\n if (extra) {\n const lines = extra.split(/\\n|\\r\\n?|\\f/);\n\n loc.offset += extra.length;\n loc.line += lines.length - 1;\n loc.column = lines.length === 1 ? loc.column + extra.length : lines.pop().length + 1;\n }\n\n return loc;\n}\n\nexport const SyntaxReferenceError = function(type, referenceName) {\n const error = createCustomError(\n 'SyntaxReferenceError',\n type + (referenceName ? ' `' + referenceName + '`' : '')\n );\n\n error.reference = referenceName;\n\n return error;\n};\n\nexport const SyntaxMatchError = function(message, syntax, node, matchResult) {\n const error = createCustomError('SyntaxMatchError', message);\n const {\n css,\n mismatchOffset,\n mismatchLength,\n start,\n end\n } = locateMismatch(matchResult, node);\n\n error.rawMessage = message;\n error.syntax = syntax ? generate(syntax) : '<generic>';\n error.css = css;\n error.mismatchOffset = mismatchOffset;\n error.mismatchLength = mismatchLength;\n error.message = message + '\\n' +\n ' syntax: ' + error.syntax + '\\n' +\n ' value: ' + (css || '<empty string>') + '\\n' +\n ' --------' + new Array(error.mismatchOffset + 1).join('-') + '^';\n\n Object.assign(error, start);\n error.loc = {\n source: (node && node.loc && node.loc.source) || '<unknown>',\n start,\n end\n };\n\n return error;\n};\n","const keywords = new Map();\nconst properties = new Map();\nconst HYPHENMINUS = 45; // '-'.charCodeAt()\n\nexport const keyword = getKeywordDescriptor;\nexport const property = getPropertyDescriptor;\nexport const vendorPrefix = getVendorPrefix;\nexport function isCustomProperty(str, offset) {\n offset = offset || 0;\n\n return str.length - offset >= 2 &&\n str.charCodeAt(offset) === HYPHENMINUS &&\n str.charCodeAt(offset + 1) === HYPHENMINUS;\n}\n\nfunction getVendorPrefix(str, offset) {\n offset = offset || 0;\n\n // verdor prefix should be at least 3 chars length\n if (str.length - offset >= 3) {\n // vendor prefix starts with hyper minus following non-hyper minus\n if (str.charCodeAt(offset) === HYPHENMINUS &&\n str.charCodeAt(offset + 1) !== HYPHENMINUS) {\n // vendor prefix should contain a hyper minus at the ending\n const secondDashIndex = str.indexOf('-', offset + 2);\n\n if (secondDashIndex !== -1) {\n return str.substring(offset, secondDashIndex + 1);\n }\n }\n }\n\n return '';\n}\n\nfunction getKeywordDescriptor(keyword) {\n if (keywords.has(keyword)) {\n return keywords.get(keyword);\n }\n\n const name = keyword.toLowerCase();\n let descriptor = keywords.get(name);\n\n if (descriptor === undefined) {\n const custom = isCustomProperty(name, 0);\n const vendor = !custom ? getVendorPrefix(name, 0) : '';\n descriptor = Object.freeze({\n basename: name.substr(vendor.length),\n name,\n prefix: vendor,\n vendor,\n custom\n });\n }\n\n keywords.set(keyword, descriptor);\n\n return descriptor;\n}\n\nfunction getPropertyDescriptor(property) {\n if (properties.has(property)) {\n return properties.get(property);\n }\n\n let name = property;\n let hack = property[0];\n\n if (hack === '/') {\n hack = property[1] === '/' ? '//' : '/';\n } else if (hack !== '_' &&\n hack !== '*' &&\n hack !== '$' &&\n hack !== '#' &&\n hack !== '+' &&\n hack !== '&') {\n hack = '';\n }\n\n const custom = isCustomProperty(name, hack.length);\n\n // re-use result when possible (the same as for lower case)\n if (!custom) {\n name = name.toLowerCase();\n if (properties.has(name)) {\n const descriptor = properties.get(name);\n properties.set(property, descriptor);\n return descriptor;\n }\n }\n\n const vendor = !custom ? getVendorPrefix(name, hack.length) : '';\n const prefix = name.substr(0, hack.length + vendor.length);\n const descriptor = Object.freeze({\n basename: name.substr(prefix.length),\n name: name.substr(hack.length),\n hack,\n vendor,\n prefix,\n custom\n });\n\n properties.set(property, descriptor);\n\n return descriptor;\n}\n","// https://drafts.csswg.org/css-cascade-5/\nexport const cssWideKeywords = [\n 'initial',\n 'inherit',\n 'unset',\n 'revert',\n 'revert-layer'\n];\n","import {\n isDigit,\n cmpChar,\n Delim,\n WhiteSpace,\n Comment,\n Ident,\n Number as NumberToken,\n Dimension\n} from '../tokenizer/index.js';\n\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\nconst N = 0x006E; // U+006E LATIN SMALL LETTER N (n)\nconst DISALLOW_SIGN = true;\nconst ALLOW_SIGN = false;\n\nfunction isDelim(token, code) {\n return token !== null && token.type === Delim && token.value.charCodeAt(0) === code;\n}\n\nfunction skipSC(token, offset, getNextToken) {\n while (token !== null && (token.type === WhiteSpace || token.type === Comment)) {\n token = getNextToken(++offset);\n }\n\n return offset;\n}\n\nfunction checkInteger(token, valueOffset, disallowSign, offset) {\n if (!token) {\n return 0;\n }\n\n const code = token.value.charCodeAt(valueOffset);\n\n if (code === PLUSSIGN || code === HYPHENMINUS) {\n if (disallowSign) {\n // Number sign is not allowed\n return 0;\n }\n valueOffset++;\n }\n\n for (; valueOffset < token.value.length; valueOffset++) {\n if (!isDigit(token.value.charCodeAt(valueOffset))) {\n // Integer is expected\n return 0;\n }\n }\n\n return offset + 1;\n}\n\n// ... <signed-integer>\n// ... ['+' | '-'] <signless-integer>\nfunction consumeB(token, offset_, getNextToken) {\n let sign = false;\n let offset = skipSC(token, offset_, getNextToken);\n\n token = getNextToken(offset);\n\n if (token === null) {\n return offset_;\n }\n\n if (token.type !== NumberToken) {\n if (isDelim(token, PLUSSIGN) || isDelim(token, HYPHENMINUS)) {\n sign = true;\n offset = skipSC(getNextToken(++offset), offset, getNextToken);\n token = getNextToken(offset);\n\n if (token === null || token.type !== NumberToken) {\n return 0;\n }\n } else {\n return offset_;\n }\n }\n\n if (!sign) {\n const code = token.value.charCodeAt(0);\n if (code !== PLUSSIGN && code !== HYPHENMINUS) {\n // Number sign is expected\n return 0;\n }\n }\n\n return checkInteger(token, sign ? 0 : 1, sign, offset);\n}\n\n// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb\nexport default function anPlusB(token, getNextToken) {\n /* eslint-disable brace-style*/\n let offset = 0;\n\n if (!token) {\n return 0;\n }\n\n // <integer>\n if (token.type === NumberToken) {\n return checkInteger(token, 0, ALLOW_SIGN, offset); // b\n }\n\n // -n\n // -n <signed-integer>\n // -n ['+' | '-'] <signless-integer>\n // -n- <signless-integer>\n // <dashndashdigit-ident>\n else if (token.type === Ident && token.value.charCodeAt(0) === HYPHENMINUS) {\n // expect 1st char is N\n if (!cmpChar(token.value, 1, N)) {\n return 0;\n }\n\n switch (token.value.length) {\n // -n\n // -n <signed-integer>\n // -n ['+' | '-'] <signless-integer>\n case 2:\n return consumeB(getNextToken(++offset), offset, getNextToken);\n\n // -n- <signless-integer>\n case 3:\n if (token.value.charCodeAt(2) !== HYPHENMINUS) {\n return 0;\n }\n\n offset = skipSC(getNextToken(++offset), offset, getNextToken);\n token = getNextToken(offset);\n\n return checkInteger(token, 0, DISALLOW_SIGN, offset);\n\n // <dashndashdigit-ident>\n default:\n if (token.value.charCodeAt(2) !== HYPHENMINUS) {\n return 0;\n }\n\n return checkInteger(token, 3, DISALLOW_SIGN, offset);\n }\n }\n\n // '+'? n\n // '+'? n <signed-integer>\n // '+'? n ['+' | '-'] <signless-integer>\n // '+'? n- <signless-integer>\n // '+'? <ndashdigit-ident>\n else if (token.type === Ident || (isDelim(token, PLUSSIGN) && getNextToken(offset + 1).type === Ident)) {\n // just ignore a plus\n if (token.type !== Ident) {\n token = getNextToken(++offset);\n }\n\n if (token === null || !cmpChar(token.value, 0, N)) {\n return 0;\n }\n\n switch (token.value.length) {\n // '+'? n\n // '+'? n <signed-integer>\n // '+'? n ['+' | '-'] <signless-integer>\n case 1:\n return consumeB(getNextToken(++offset), offset, getNextToken);\n\n // '+'? n- <signless-integer>\n case 2:\n if (token.value.charCodeAt(1) !== HYPHENMINUS) {\n return 0;\n }\n\n offset = skipSC(getNextToken(++offset), offset, getNextToken);\n token = getNextToken(offset);\n\n return checkInteger(token, 0, DISALLOW_SIGN, offset);\n\n // '+'? <ndashdigit-ident>\n default:\n if (token.value.charCodeAt(1) !== HYPHENMINUS) {\n return 0;\n }\n\n return checkInteger(token, 2, DISALLOW_SIGN, offset);\n }\n }\n\n // <ndashdigit-dimension>\n // <ndash-dimension> <signless-integer>\n // <n-dimension>\n // <n-dimension> <signed-integer>\n // <n-dimension> ['+' | '-'] <signless-integer>\n else if (token.type === Dimension) {\n let code = token.value.charCodeAt(0);\n let sign = code === PLUSSIGN || code === HYPHENMINUS ? 1 : 0;\n let i = sign;\n\n for (; i < token.value.length; i++) {\n if (!isDigit(token.value.charCodeAt(i))) {\n break;\n }\n }\n\n if (i === sign) {\n // Integer is expected\n return 0;\n }\n\n if (!cmpChar(token.value, i, N)) {\n return 0;\n }\n\n // <n-dimension>\n // <n-dimension> <signed-integer>\n // <n-dimension> ['+' | '-'] <signless-integer>\n if (i + 1 === token.value.length) {\n return consumeB(getNextToken(++offset), offset, getNextToken);\n } else {\n if (token.value.charCodeAt(i + 1) !== HYPHENMINUS) {\n return 0;\n }\n\n // <ndash-dimension> <signless-integer>\n if (i + 2 === token.value.length) {\n offset = skipSC(getNextToken(++offset), offset, getNextToken);\n token = getNextToken(offset);\n\n return checkInteger(token, 0, DISALLOW_SIGN, offset);\n }\n // <ndashdigit-dimension>\n else {\n return checkInteger(token, i + 2, DISALLOW_SIGN, offset);\n }\n }\n }\n\n return 0;\n};\n","import {\n isHexDigit,\n cmpChar,\n Ident,\n Delim,\n Number as NumberToken,\n Dimension\n} from '../tokenizer/index.js';\n\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\nconst QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)\nconst U = 0x0075; // U+0075 LATIN SMALL LETTER U (u)\n\nfunction isDelim(token, code) {\n return token !== null && token.type === Delim && token.value.charCodeAt(0) === code;\n}\n\nfunction startsWith(token, code) {\n return token.value.charCodeAt(0) === code;\n}\n\nfunction hexSequence(token, offset, allowDash) {\n let hexlen = 0;\n\n for (let pos = offset; pos < token.value.length; pos++) {\n const code = token.value.charCodeAt(pos);\n\n if (code === HYPHENMINUS && allowDash && hexlen !== 0) {\n hexSequence(token, offset + hexlen + 1, false);\n return 6; // dissallow following question marks\n }\n\n if (!isHexDigit(code)) {\n return 0; // not a hex digit\n }\n\n if (++hexlen > 6) {\n return 0; // too many hex digits\n };\n }\n\n return hexlen;\n}\n\nfunction withQuestionMarkSequence(consumed, length, getNextToken) {\n if (!consumed) {\n return 0; // nothing consumed\n }\n\n while (isDelim(getNextToken(length), QUESTIONMARK)) {\n if (++consumed > 6) {\n return 0; // too many question marks\n }\n\n length++;\n }\n\n return length;\n}\n\n// https://drafts.csswg.org/css-syntax/#urange\n// Informally, the <urange> production has three forms:\n// U+0001\n// Defines a range consisting of a single code point, in this case the code point \"1\".\n// U+0001-00ff\n// Defines a range of codepoints between the first and the second value, in this case\n// the range between \"1\" and \"ff\" (255 in decimal) inclusive.\n// U+00??\n// Defines a range of codepoints where the \"?\" characters range over all hex digits,\n// in this case defining the same as the value U+0000-00ff.\n// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat \"?\" as a hexadecimal digit).\n//\n// <urange> =\n// u '+' <ident-token> '?'* |\n// u <dimension-token> '?'* |\n// u <number-token> '?'* |\n// u <number-token> <dimension-token> |\n// u <number-token> <number-token> |\n// u '+' '?'+\nexport default function urange(token, getNextToken) {\n let length = 0;\n\n // should start with `u` or `U`\n if (token === null || token.type !== Ident || !cmpChar(token.value, 0, U)) {\n return 0;\n }\n\n token = getNextToken(++length);\n if (token === null) {\n return 0;\n }\n\n // u '+' <ident-token> '?'*\n // u '+' '?'+\n if (isDelim(token, PLUSSIGN)) {\n token = getNextToken(++length);\n if (token === null) {\n return 0;\n }\n\n if (token.type === Ident) {\n // u '+' <ident-token> '?'*\n return withQuestionMarkSequence(hexSequence(token, 0, true), ++length, getNextToken);\n }\n\n if (isDelim(token, QUESTIONMARK)) {\n // u '+' '?'+\n return withQuestionMarkSequence(1, ++length, getNextToken);\n }\n\n // Hex digit or question mark is expected\n return 0;\n }\n\n // u <number-token> '?'*\n // u <number-token> <dimension-token>\n // u <number-token> <number-token>\n if (token.type === NumberToken) {\n const consumedHexLength = hexSequence(token, 1, true);\n if (consumedHexLength === 0) {\n return 0;\n }\n\n token = getNextToken(++length);\n if (token === null) {\n // u <number-token> <eof>\n return length;\n }\n\n if (token.type === Dimension || token.type === NumberToken) {\n // u <number-token> <dimension-token>\n // u <number-token> <number-token>\n if (!startsWith(token, HYPHENMINUS) || !hexSequence(token, 1, false)) {\n return 0;\n }\n\n return length + 1;\n }\n\n // u <number-token> '?'*\n return withQuestionMarkSequence(consumedHexLength, length, getNextToken);\n }\n\n // u <dimension-token> '?'*\n if (token.type === Dimension) {\n return withQuestionMarkSequence(hexSequence(token, 1, true), ++length, getNextToken);\n }\n\n return 0;\n};\n","import { cssWideKeywords } from './generic-const.js';\nimport anPlusB from './generic-an-plus-b.js';\nimport urange from './generic-urange.js';\nimport {\n isIdentifierStart,\n isHexDigit,\n isDigit,\n cmpStr,\n consumeNumber,\n\n Ident,\n Function as FunctionToken,\n AtKeyword,\n Hash,\n String as StringToken,\n BadString,\n Url,\n BadUrl,\n Delim,\n Number as NumberToken,\n Percentage,\n Dimension,\n WhiteSpace,\n CDO,\n CDC,\n Colon,\n Semicolon,\n Comma,\n LeftSquareBracket,\n RightSquareBracket,\n LeftParenthesis,\n RightParenthesis,\n LeftCurlyBracket,\n RightCurlyBracket\n} from '../tokenizer/index.js';\n\nconst calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc('];\nconst balancePair = new Map([\n [FunctionToken, RightParenthesis],\n [LeftParenthesis, RightParenthesis],\n [LeftSquareBracket, RightSquareBracket],\n [LeftCurlyBracket, RightCurlyBracket]\n]);\n\n// units\nconst LENGTH = [\n // absolute length units https://www.w3.org/TR/css-values-3/#lengths\n 'cm', 'mm', 'q', 'in', 'pt', 'pc', 'px',\n // font-relative length units https://drafts.csswg.org/css-values-4/#font-relative-lengths\n 'em', 'rem',\n 'ex', 'rex',\n 'cap', 'rcap',\n 'ch', 'rch',\n 'ic', 'ric',\n 'lh', 'rlh',\n // viewport-percentage lengths https://drafts.csswg.org/css-values-4/#viewport-relative-lengths\n 'vw', 'svw', 'lvw', 'dvw',\n 'vh', 'svh', 'lvh', 'dvh',\n 'vi', 'svi', 'lvi', 'dvi',\n 'vb', 'svb', 'lvb', 'dvb',\n 'vmin', 'svmin', 'lvmin', 'dvmin',\n 'vmax', 'svmax', 'lvmax', 'dvmax',\n // container relative lengths https://drafts.csswg.org/css-contain-3/#container-lengths\n 'cqw', 'cqh', 'cqi', 'cqb', 'cqmin', 'cqmax'\n];\nconst ANGLE = ['deg', 'grad', 'rad', 'turn']; // https://www.w3.org/TR/css-values-3/#angles\nconst TIME = ['s', 'ms']; // https://www.w3.org/TR/css-values-3/#time\nconst FREQUENCY = ['hz', 'khz']; // https://www.w3.org/TR/css-values-3/#frequency\nconst RESOLUTION = ['dpi', 'dpcm', 'dppx', 'x']; // https://www.w3.org/TR/css-values-3/#resolution\nconst FLEX = ['fr']; // https://drafts.csswg.org/css-grid/#fr-unit\nconst DECIBEL = ['db']; // https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume\nconst SEMITONES = ['st']; // https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch\n\n// safe char code getter\nfunction charCodeAt(str, index) {\n return index < str.length ? str.charCodeAt(index) : 0;\n}\n\nfunction eqStr(actual, expected) {\n return cmpStr(actual, 0, actual.length, expected);\n}\n\nfunction eqStrAny(actual, expected) {\n for (let i = 0; i < expected.length; i++) {\n if (eqStr(actual, expected[i])) {\n return true;\n }\n }\n\n return false;\n}\n\n// IE postfix hack, i.e. 123\\0 or 123px\\9\nfunction isPostfixIeHack(str, offset) {\n if (offset !== str.length - 2) {\n return false;\n }\n\n return (\n charCodeAt(str, offset) === 0x005C && // U+005C REVERSE SOLIDUS (\\)\n isDigit(charCodeAt(str, offset + 1))\n );\n}\n\nfunction outOfRange(opts, value, numEnd) {\n if (opts && opts.type === 'Range') {\n const num = Number(\n numEnd !== undefined && numEnd !== value.length\n ? value.substr(0, numEnd)\n : value\n );\n\n if (isNaN(num)) {\n return true;\n }\n\n // FIXME: when opts.min is a string it's a dimension, skip a range validation\n // for now since it requires a type covertation which is not implmented yet\n if (opts.min !== null && num < opts.min && typeof opts.min !== 'string') {\n return true;\n }\n\n // FIXME: when opts.max is a string it's a dimension, skip a range validation\n // for now since it requires a type covertation which is not implmented yet\n if (opts.max !== null && num > opts.max && typeof opts.max !== 'string') {\n return true;\n }\n }\n\n return false;\n}\n\nfunction consumeFunction(token, getNextToken) {\n let balanceCloseType = 0;\n let balanceStash = [];\n let length = 0;\n\n // balanced token consuming\n scan:\n do {\n switch (token.type) {\n case RightCurlyBracket:\n case RightParenthesis:\n case RightSquareBracket:\n if (token.type !== balanceCloseType) {\n break scan;\n }\n\n balanceCloseType = balanceStash.pop();\n\n if (balanceStash.length === 0) {\n length++;\n break scan;\n }\n\n break;\n\n case FunctionToken:\n case LeftParenthesis:\n case LeftSquareBracket:\n case LeftCurlyBracket:\n balanceStash.push(balanceCloseType);\n balanceCloseType = balancePair.get(token.type);\n break;\n }\n\n length++;\n } while (token = getNextToken(length));\n\n return length;\n}\n\n// TODO: implement\n// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed\n// https://drafts.csswg.org/css-values/#calc-notation\nfunction calc(next) {\n return function(token, getNextToken, opts) {\n if (token === null) {\n return 0;\n }\n\n if (token.type === FunctionToken && eqStrAny(token.value, calcFunctionNames)) {\n return consumeFunction(token, getNextToken);\n }\n\n return next(token, getNextToken, opts);\n };\n}\n\nfunction tokenType(expectedTokenType) {\n return function(token) {\n if (token === null || token.type !== expectedTokenType) {\n return 0;\n }\n\n return 1;\n };\n}\n\n// =========================\n// Complex types\n//\n\n// https://drafts.csswg.org/css-values-4/#custom-idents\n// 4.2. Author-defined Identifiers: the <custom-ident> type\n// Some properties accept arbitrary author-defined identifiers as a component value.\n// This generic data type is denoted by <custom-ident>, and represents any valid CSS identifier\n// that would not be misinterpreted as a pre-defined keyword in that property’s value definition.\n//\n// See also: https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident\nfunction customIdent(token) {\n if (token === null || token.type !== Ident) {\n return 0;\n }\n\n const name = token.value.toLowerCase();\n\n // The CSS-wide keywords are not valid <custom-ident>s\n if (eqStrAny(name, cssWideKeywords)) {\n return 0;\n }\n\n // The default keyword is reserved and is also not a valid <custom-ident>\n if (eqStr(name, 'default')) {\n return 0;\n }\n\n // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)\n // Specifications using <custom-ident> must specify clearly what other keywords\n // are excluded from <custom-ident>, if any—for example by saying that any pre-defined keywords\n // in that property’s value definition are excluded. Excluded keywords are excluded\n // in all ASCII case permutations.\n\n return 1;\n}\n\n// https://drafts.csswg.org/css-variables/#typedef-custom-property-name\n// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.\n// The <custom-property-name> production corresponds to this: it’s defined as any valid identifier\n// that starts with two dashes, except -- itself, which is reserved for future use by CSS.\n// NOTE: Current implementation treat `--` as a valid name since most (all?) major browsers treat it as valid.\nfunction customPropertyName(token) {\n // ... defined as any valid identifier\n if (token === null || token.type !== Ident) {\n return 0;\n }\n\n // ... that starts with two dashes (U+002D HYPHEN-MINUS)\n if (charCodeAt(token.value, 0) !== 0x002D || charCodeAt(token.value, 1) !== 0x002D) {\n return 0;\n }\n\n return 1;\n}\n\n// https://drafts.csswg.org/css-color-4/#hex-notation\n// The syntax of a <hex-color> is a <hash-token> token whose value consists of 3, 4, 6, or 8 hexadecimal digits.\n// In other words, a hex color is written as a hash character, \"#\", followed by some number of digits 0-9 or\n// letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).\nfunction hexColor(token) {\n if (token === null || token.type !== Hash) {\n return 0;\n }\n\n const length = token.value.length;\n\n // valid values (length): #rgb (4), #rgba (5), #rrggbb (7), #rrggbbaa (9)\n if (length !== 4 && length !== 5 && length !== 7 && length !== 9) {\n return 0;\n }\n\n for (let i = 1; i < length; i++) {\n if (!isHexDigit(charCodeAt(token.value, i))) {\n return 0;\n }\n }\n\n return 1;\n}\n\nfunction idSelector(token) {\n if (token === null || token.type !== Hash) {\n return 0;\n }\n\n if (!isIdentifierStart(charCodeAt(token.value, 1), charCodeAt(token.value, 2), charCodeAt(token.value, 3))) {\n return 0;\n }\n\n return 1;\n}\n\n// https://drafts.csswg.org/css-syntax/#any-value\n// It represents the entirety of what a valid declaration can have as its value.\nfunction declarationValue(token, getNextToken) {\n if (!token) {\n return 0;\n }\n\n let balanceCloseType = 0;\n let balanceStash = [];\n let length = 0;\n\n // The <declaration-value> production matches any sequence of one or more tokens,\n // so long as the sequence does not contain ...\n scan:\n do {\n switch (token.type) {\n // ... <bad-string-token>, <bad-url-token>,\n case BadString:\n case BadUrl:\n break scan;\n\n // ... unmatched <)-token>, <]-token>, or <}-token>,\n case RightCurlyBracket:\n case RightParenthesis:\n case RightSquareBracket:\n if (token.type !== balanceCloseType) {\n break scan;\n }\n\n balanceCloseType = balanceStash.pop();\n break;\n\n // ... or top-level <semicolon-token> tokens\n case Semicolon:\n if (balanceCloseType === 0) {\n break scan;\n }\n\n break;\n\n // ... or <delim-token> tokens with a value of \"!\"\n case Delim:\n if (balanceCloseType === 0 && token.value === '!') {\n break scan;\n }\n\n break;\n\n case FunctionToken:\n case LeftParenthesis:\n case LeftSquareBracket:\n case LeftCurlyBracket:\n balanceStash.push(balanceCloseType);\n balanceCloseType = balancePair.get(token.type);\n break;\n }\n\n length++;\n } while (token = getNextToken(length));\n\n return length;\n}\n\n// https://drafts.csswg.org/css-syntax/#any-value\n// The <any-value> production is identical to <declaration-value>, but also\n// allows top-level <semicolon-token> tokens and <delim-token> tokens\n// with a value of \"!\". It represents the entirety of what valid CSS can be in any context.\nfunction anyValue(token, getNextToken) {\n if (!token) {\n return 0;\n }\n\n let balanceCloseType = 0;\n let balanceStash = [];\n let length = 0;\n\n // The <any-value> production matches any sequence of one or more tokens,\n // so long as the sequence ...\n scan:\n do {\n switch (token.type) {\n // ... does not contain <bad-string-token>, <bad-url-token>,\n case BadString:\n case BadUrl:\n break scan;\n\n // ... unmatched <)-token>, <]-token>, or <}-token>,\n case RightCurlyBracket:\n case RightParenthesis:\n case RightSquareBracket:\n if (token.type !== balanceCloseType) {\n break scan;\n }\n\n balanceCloseType = balanceStash.pop();\n break;\n\n case FunctionToken:\n case LeftParenthesis:\n case LeftSquareBracket:\n case LeftCurlyBracket:\n balanceStash.push(balanceCloseType);\n balanceCloseType = balancePair.get(token.type);\n break;\n }\n\n length++;\n } while (token = getNextToken(length));\n\n return length;\n}\n\n// =========================\n// Dimensions\n//\n\nfunction dimension(type) {\n if (type) {\n type = new Set(type);\n }\n\n return function(token, getNextToken, opts) {\n if (token === null || token.type !== Dimension) {\n return 0;\n }\n\n const numberEnd = consumeNumber(token.value, 0);\n\n // check unit\n if (type !== null) {\n // check for IE postfix hack, i.e. 123px\\0 or 123px\\9\n const reverseSolidusOffset = token.value.indexOf('\\\\', numberEnd);\n const unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset)\n ? token.value.substr(numberEnd)\n : token.value.substring(numberEnd, reverseSolidusOffset);\n\n if (type.has(unit.toLowerCase()) === false) {\n return 0;\n }\n }\n\n // check range if specified\n if (outOfRange(opts, token.value, numberEnd)) {\n return 0;\n }\n\n return 1;\n };\n}\n\n// =========================\n// Percentage\n//\n\n// §5.5. Percentages: the <percentage> type\n// https://drafts.csswg.org/css-values-4/#percentages\nfunction percentage(token, getNextToken, opts) {\n // ... corresponds to the <percentage-token> production\n if (token === null || token.type !== Percentage) {\n return 0;\n }\n\n // check range if specified\n if (outOfRange(opts, token.value, token.value.length - 1)) {\n return 0;\n }\n\n return 1;\n}\n\n// =========================\n// Numeric\n//\n\n// https://drafts.csswg.org/css-values-4/#numbers\n// The value <zero> represents a literal number with the value 0. Expressions that merely\n// evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>;\n// only literal <number-token>s do.\nfunction zero(next) {\n if (typeof next !== 'function') {\n next = function() {\n return 0;\n };\n }\n\n return function(token, getNextToken, opts) {\n if (token !== null && token.type === NumberToken) {\n if (Number(token.value) === 0) {\n return 1;\n }\n }\n\n return next(token, getNextToken, opts);\n };\n}\n\n// § 5.3. Real Numbers: the <number> type\n// https://drafts.csswg.org/css-values-4/#numbers\n// Number values are denoted by <number>, and represent real numbers, possibly with a fractional component.\n// ... It corresponds to the <number-token> production\nfunction number(token, getNextToken, opts) {\n if (token === null) {\n return 0;\n }\n\n const numberEnd = consumeNumber(token.value, 0);\n const isNumber = numberEnd === token.value.length;\n if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) {\n return 0;\n }\n\n // check range if specified\n if (outOfRange(opts, token.value, numberEnd)) {\n return 0;\n }\n\n return 1;\n}\n\n// §5.2. Integers: the <integer> type\n// https://drafts.csswg.org/css-values-4/#integers\nfunction integer(token, getNextToken, opts) {\n // ... corresponds to a subset of the <number-token> production\n if (token === null || token.type !== NumberToken) {\n return 0;\n }\n\n // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign.\n let i = charCodeAt(token.value, 0) === 0x002B || // U+002B PLUS SIGN (+)\n charCodeAt(token.value, 0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-)\n\n // When written literally, an integer is one or more decimal digits 0 through 9 ...\n for (; i < token.value.length; i++) {\n if (!isDigit(charCodeAt(token.value, i))) {\n return 0;\n }\n }\n\n // check range if specified\n if (outOfRange(opts, token.value, i)) {\n return 0;\n }\n\n return 1;\n}\n\nexport default {\n // token types\n 'ident-token': tokenType(Ident),\n 'function-token': tokenType(FunctionToken),\n 'at-keyword-token': tokenType(AtKeyword),\n 'hash-token': tokenType(Hash),\n 'string-token': tokenType(StringToken),\n 'bad-string-token': tokenType(BadString),\n 'url-token': tokenType(Url),\n 'bad-url-token': tokenType(BadUrl),\n 'delim-token': tokenType(Delim),\n 'number-token': tokenType(NumberToken),\n 'percentage-token': tokenType(Percentage),\n 'dimension-token': tokenType(Dimension),\n 'whitespace-token': tokenType(WhiteSpace),\n 'CDO-token': tokenType(CDO),\n 'CDC-token': tokenType(CDC),\n 'colon-token': tokenType(Colon),\n 'semicolon-token': tokenType(Semicolon),\n 'comma-token': tokenType(Comma),\n '[-token': tokenType(LeftSquareBracket),\n ']-token': tokenType(RightSquareBracket),\n '(-token': tokenType(LeftParenthesis),\n ')-token': tokenType(RightParenthesis),\n '{-token': tokenType(LeftCurlyBracket),\n '}-token': tokenType(RightCurlyBracket),\n\n // token type aliases\n 'string': tokenType(StringToken),\n 'ident': tokenType(Ident),\n\n // complex types\n 'custom-ident': customIdent,\n 'custom-property-name': customPropertyName,\n 'hex-color': hexColor,\n 'id-selector': idSelector, // element( <id-selector> )\n 'an-plus-b': anPlusB,\n 'urange': urange,\n 'declaration-value': declarationValue,\n 'any-value': anyValue,\n\n // dimensions\n 'dimension': calc(dimension(null)),\n 'angle': calc(dimension(ANGLE)),\n 'decibel': calc(dimension(DECIBEL)),\n 'frequency': calc(dimension(FREQUENCY)),\n 'flex': calc(dimension(FLEX)),\n 'length': calc(zero(dimension(LENGTH))),\n 'resolution': calc(dimension(RESOLUTION)),\n 'semitones': calc(dimension(SEMITONES)),\n 'time': calc(dimension(TIME)),\n\n // percentage\n 'percentage': calc(percentage),\n\n // numeric\n 'zero': zero(),\n 'number': calc(number),\n 'integer': calc(integer)\n};\n","import { createCustomError } from '../utils/create-custom-error.js';\n\nexport function SyntaxError(message, input, offset) {\n return Object.assign(createCustomError('SyntaxError', message), {\n input,\n offset,\n rawMessage: message,\n message: message + '\\n' +\n ' ' + input + '\\n' +\n '--' + new Array((offset || input.length) + 1).join('-') + '^'\n });\n};\n","import { SyntaxError } from './SyntaxError.js';\n\nconst TAB = 9;\nconst N = 10;\nconst F = 12;\nconst R = 13;\nconst SPACE = 32;\n\nexport class Tokenizer {\n constructor(str) {\n this.str = str;\n this.pos = 0;\n }\n charCodeAt(pos) {\n return pos < this.str.length ? this.str.charCodeAt(pos) : 0;\n }\n charCode() {\n return this.charCodeAt(this.pos);\n }\n nextCharCode() {\n return this.charCodeAt(this.pos + 1);\n }\n nextNonWsCode(pos) {\n return this.charCodeAt(this.findWsEnd(pos));\n }\n findWsEnd(pos) {\n for (; pos < this.str.length; pos++) {\n const code = this.str.charCodeAt(pos);\n if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) {\n break;\n }\n }\n\n return pos;\n }\n substringToPos(end) {\n return this.str.substring(this.pos, this.pos = end);\n }\n eat(code) {\n if (this.charCode() !== code) {\n this.error('Expect `' + String.fromCharCode(code) + '`');\n }\n\n this.pos++;\n }\n peek() {\n return this.pos < this.str.length ? this.str.charAt(this.pos++) : '';\n }\n error(message) {\n throw new SyntaxError(message, this.str, this.pos);\n }\n};\n","import { Tokenizer } from './tokenizer.js';\n\nconst TAB = 9;\nconst N = 10;\nconst F = 12;\nconst R = 13;\nconst SPACE = 32;\nconst EXCLAMATIONMARK = 33; // !\nconst NUMBERSIGN = 35; // #\nconst AMPERSAND = 38; // &\nconst APOSTROPHE = 39; // '\nconst LEFTPARENTHESIS = 40; // (\nconst RIGHTPARENTHESIS = 41; // )\nconst ASTERISK = 42; // *\nconst PLUSSIGN = 43; // +\nconst COMMA = 44; // ,\nconst HYPERMINUS = 45; // -\nconst LESSTHANSIGN = 60; // <\nconst GREATERTHANSIGN = 62; // >\nconst QUESTIONMARK = 63; // ?\nconst COMMERCIALAT = 64; // @\nconst LEFTSQUAREBRACKET = 91; // [\nconst RIGHTSQUAREBRACKET = 93; // ]\nconst LEFTCURLYBRACKET = 123; // {\nconst VERTICALLINE = 124; // |\nconst RIGHTCURLYBRACKET = 125; // }\nconst INFINITY = 8734; // ∞\nconst NAME_CHAR = new Uint8Array(128).map((_, idx) =>\n /[a-zA-Z0-9\\-]/.test(String.fromCharCode(idx)) ? 1 : 0\n);\nconst COMBINATOR_PRECEDENCE = {\n ' ': 1,\n '&&': 2,\n '||': 3,\n '|': 4\n};\n\nfunction scanSpaces(tokenizer) {\n return tokenizer.substringToPos(\n tokenizer.findWsEnd(tokenizer.pos)\n );\n}\n\nfunction scanWord(tokenizer) {\n let end = tokenizer.pos;\n\n for (; end < tokenizer.str.length; end++) {\n const code = tokenizer.str.charCodeAt(end);\n if (code >= 128 || NAME_CHAR[code] === 0) {\n break;\n }\n }\n\n if (tokenizer.pos === end) {\n tokenizer.error('Expect a keyword');\n }\n\n return tokenizer.substringToPos(end);\n}\n\nfunction scanNumber(tokenizer) {\n let end = tokenizer.pos;\n\n for (; end < tokenizer.str.length; end++) {\n const code = tokenizer.str.charCodeAt(end);\n if (code < 48 || code > 57) {\n break;\n }\n }\n\n if (tokenizer.pos === end) {\n tokenizer.error('Expect a number');\n }\n\n return tokenizer.substringToPos(end);\n}\n\nfunction scanString(tokenizer) {\n const end = tokenizer.str.indexOf('\\'', tokenizer.pos + 1);\n\n if (end === -1) {\n tokenizer.pos = tokenizer.str.length;\n tokenizer.error('Expect an apostrophe');\n }\n\n return tokenizer.substringToPos(end + 1);\n}\n\nfunction readMultiplierRange(tokenizer) {\n let min = null;\n let max = null;\n\n tokenizer.eat(LEFTCURLYBRACKET);\n\n min = scanNumber(tokenizer);\n\n if (tokenizer.charCode() === COMMA) {\n tokenizer.pos++;\n if (tokenizer.charCode() !== RIGHTCURLYBRACKET) {\n max = scanNumber(tokenizer);\n }\n } else {\n max = min;\n }\n\n tokenizer.eat(RIGHTCURLYBRACKET);\n\n return {\n min: Number(min),\n max: max ? Number(max) : 0\n };\n}\n\nfunction readMultiplier(tokenizer) {\n let range = null;\n let comma = false;\n\n switch (tokenizer.charCode()) {\n case ASTERISK:\n tokenizer.pos++;\n\n range = {\n min: 0,\n max: 0\n };\n\n break;\n\n case PLUSSIGN:\n tokenizer.pos++;\n\n range = {\n min: 1,\n max: 0\n };\n\n break;\n\n case QUESTIONMARK:\n tokenizer.pos++;\n\n range = {\n min: 0,\n max: 1\n };\n\n break;\n\n case NUMBERSIGN:\n tokenizer.pos++;\n\n comma = true;\n\n if (tokenizer.charCode() === LEFTCURLYBRACKET) {\n range = readMultiplierRange(tokenizer);\n } else if (tokenizer.charCode() === QUESTIONMARK) {\n // https://www.w3.org/TR/css-values-4/#component-multipliers\n // > the # and ? multipliers may be stacked as #?\n // In this case just treat \"#?\" as a single multiplier\n // { min: 0, max: 0, comma: true }\n tokenizer.pos++;\n range = {\n min: 0,\n max: 0\n };\n } else {\n range = {\n min: 1,\n max: 0\n };\n }\n\n break;\n\n case LEFTCURLYBRACKET:\n range = readMultiplierRange(tokenizer);\n break;\n\n default:\n return null;\n }\n\n return {\n type: 'Multiplier',\n comma,\n min: range.min,\n max: range.max,\n term: null\n };\n}\n\nfunction maybeMultiplied(tokenizer, node) {\n const multiplier = readMultiplier(tokenizer);\n\n if (multiplier !== null) {\n multiplier.term = node;\n\n // https://www.w3.org/TR/css-values-4/#component-multipliers\n // > The + and # multipliers may be stacked as +#;\n // Represent \"+#\" as nested multipliers:\n // { ...<multiplier #>,\n // term: {\n // ...<multipler +>,\n // term: node\n // }\n // }\n if (tokenizer.charCode() === NUMBERSIGN &&\n tokenizer.charCodeAt(tokenizer.pos - 1) === PLUSSIGN) {\n return maybeMultiplied(tokenizer, multiplier);\n }\n\n return multiplier;\n }\n\n return node;\n}\n\nfunction maybeToken(tokenizer) {\n const ch = tokenizer.peek();\n\n if (ch === '') {\n return null;\n }\n\n return {\n type: 'Token',\n value: ch\n };\n}\n\nfunction readProperty(tokenizer) {\n let name;\n\n tokenizer.eat(LESSTHANSIGN);\n tokenizer.eat(APOSTROPHE);\n\n name = scanWord(tokenizer);\n\n tokenizer.eat(APOSTROPHE);\n tokenizer.eat(GREATERTHANSIGN);\n\n return maybeMultiplied(tokenizer, {\n type: 'Property',\n name\n });\n}\n\n// https://drafts.csswg.org/css-values-3/#numeric-ranges\n// 4.1. Range Restrictions and Range Definition Notation\n//\n// Range restrictions can be annotated in the numeric type notation using CSS bracketed\n// range notation—[min,max]—within the angle brackets, after the identifying keyword,\n// indicating a closed range between (and including) min and max.\n// For example, <integer [0, 10]> indicates an integer between 0 and 10, inclusive.\nfunction readTypeRange(tokenizer) {\n // use null for Infinity to make AST format JSON serializable/deserializable\n let min = null; // -Infinity\n let max = null; // Infinity\n let sign = 1;\n\n tokenizer.eat(LEFTSQUAREBRACKET);\n\n if (tokenizer.charCode() === HYPERMINUS) {\n tokenizer.peek();\n sign = -1;\n }\n\n if (sign == -1 && tokenizer.charCode() === INFINITY) {\n tokenizer.peek();\n } else {\n min = sign * Number(scanNumber(tokenizer));\n\n if (NAME_CHAR[tokenizer.charCode()] !== 0) {\n min += scanWord(tokenizer);\n }\n }\n\n scanSpaces(tokenizer);\n tokenizer.eat(COMMA);\n scanSpaces(tokenizer);\n\n if (tokenizer.charCode() === INFINITY) {\n tokenizer.peek();\n } else {\n sign = 1;\n\n if (tokenizer.charCode() === HYPERMINUS) {\n tokenizer.peek();\n sign = -1;\n }\n\n max = sign * Number(scanNumber(tokenizer));\n\n if (NAME_CHAR[tokenizer.charCode()] !== 0) {\n max += scanWord(tokenizer);\n }\n }\n\n tokenizer.eat(RIGHTSQUAREBRACKET);\n\n return {\n type: 'Range',\n min,\n max\n };\n}\n\nfunction readType(tokenizer) {\n let name;\n let opts = null;\n\n tokenizer.eat(LESSTHANSIGN);\n name = scanWord(tokenizer);\n\n if (tokenizer.charCode() === LEFTPARENTHESIS &&\n tokenizer.nextCharCode() === RIGHTPARENTHESIS) {\n tokenizer.pos += 2;\n name += '()';\n }\n\n if (tokenizer.charCodeAt(tokenizer.findWsEnd(tokenizer.pos)) === LEFTSQUAREBRACKET) {\n scanSpaces(tokenizer);\n opts = readTypeRange(tokenizer);\n }\n\n tokenizer.eat(GREATERTHANSIGN);\n\n return maybeMultiplied(tokenizer, {\n type: 'Type',\n name,\n opts\n });\n}\n\nfunction readKeywordOrFunction(tokenizer) {\n const name = scanWord(tokenizer);\n\n if (tokenizer.charCode() === LEFTPARENTHESIS) {\n tokenizer.pos++;\n\n return {\n type: 'Function',\n name\n };\n }\n\n return maybeMultiplied(tokenizer, {\n type: 'Keyword',\n name\n });\n}\n\nfunction regroupTerms(terms, combinators) {\n function createGroup(terms, combinator) {\n return {\n type: 'Group',\n terms,\n combinator,\n disallowEmpty: false,\n explicit: false\n };\n }\n\n let combinator;\n\n combinators = Object.keys(combinators)\n .sort((a, b) => COMBINATOR_PRECEDENCE[a] - COMBINATOR_PRECEDENCE[b]);\n\n while (combinators.length > 0) {\n combinator = combinators.shift();\n\n let i = 0;\n let subgroupStart = 0;\n\n for (; i < terms.length; i++) {\n const term = terms[i];\n\n if (term.type === 'Combinator') {\n if (term.value === combinator) {\n if (subgroupStart === -1) {\n subgroupStart = i - 1;\n }\n terms.splice(i, 1);\n i--;\n } else {\n if (subgroupStart !== -1 && i - subgroupStart > 1) {\n terms.splice(\n subgroupStart,\n i - subgroupStart,\n createGroup(terms.slice(subgroupStart, i), combinator)\n );\n i = subgroupStart + 1;\n }\n subgroupStart = -1;\n }\n }\n }\n\n if (subgroupStart !== -1 && combinators.length) {\n terms.splice(\n subgroupStart,\n i - subgroupStart,\n createGroup(terms.slice(subgroupStart, i), combinator)\n );\n }\n }\n\n return combinator;\n}\n\nfunction readImplicitGroup(tokenizer) {\n const terms = [];\n const combinators = {};\n let token;\n let prevToken = null;\n let prevTokenPos = tokenizer.pos;\n\n while (token = peek(tokenizer)) {\n if (token.type !== 'Spaces') {\n if (token.type === 'Combinator') {\n // check for combinator in group beginning and double combinator sequence\n if (prevToken === null || prevToken.type === 'Combinator') {\n tokenizer.pos = prevTokenPos;\n tokenizer.error('Unexpected combinator');\n }\n\n combinators[token.value] = true;\n } else if (prevToken !== null && prevToken.type !== 'Combinator') {\n combinators[' '] = true; // a b\n terms.push({\n type: 'Combinator',\n value: ' '\n });\n }\n\n terms.push(token);\n prevToken = token;\n prevTokenPos = tokenizer.pos;\n }\n }\n\n // check for combinator in group ending\n if (prevToken !== null && prevToken.type === 'Combinator') {\n tokenizer.pos -= prevTokenPos;\n tokenizer.error('Unexpected combinator');\n }\n\n return {\n type: 'Group',\n terms,\n combinator: regroupTerms(terms, combinators) || ' ',\n disallowEmpty: false,\n explicit: false\n };\n}\n\nfunction readGroup(tokenizer) {\n let result;\n\n tokenizer.eat(LEFTSQUAREBRACKET);\n result = readImplicitGroup(tokenizer);\n tokenizer.eat(RIGHTSQUAREBRACKET);\n\n result.explicit = true;\n\n if (tokenizer.charCode() === EXCLAMATIONMARK) {\n tokenizer.pos++;\n result.disallowEmpty = true;\n }\n\n return result;\n}\n\nfunction peek(tokenizer) {\n let code = tokenizer.charCode();\n\n if (code < 128 && NAME_CHAR[code] === 1) {\n return readKeywordOrFunction(tokenizer);\n }\n\n switch (code) {\n case RIGHTSQUAREBRACKET:\n // don't eat, stop scan a group\n break;\n\n case LEFTSQUAREBRACKET:\n return maybeMultiplied(tokenizer, readGroup(tokenizer));\n\n case LESSTHANSIGN:\n return tokenizer.nextCharCode() === APOSTROPHE\n ? readProperty(tokenizer)\n : readType(tokenizer);\n\n case VERTICALLINE:\n return {\n type: 'Combinator',\n value: tokenizer.substringToPos(\n tokenizer.pos + (tokenizer.nextCharCode() === VERTICALLINE ? 2 : 1)\n )\n };\n\n case AMPERSAND:\n tokenizer.pos++;\n tokenizer.eat(AMPERSAND);\n\n return {\n type: 'Combinator',\n value: '&&'\n };\n\n case COMMA:\n tokenizer.pos++;\n return {\n type: 'Comma'\n };\n\n case APOSTROPHE:\n return maybeMultiplied(tokenizer, {\n type: 'String',\n value: scanString(tokenizer)\n });\n\n case SPACE:\n case TAB:\n case N:\n case R:\n case F:\n return {\n type: 'Spaces',\n value: scanSpaces(tokenizer)\n };\n\n case COMMERCIALAT:\n code = tokenizer.nextCharCode();\n\n if (code < 128 && NAME_CHAR[code] === 1) {\n tokenizer.pos++;\n return {\n type: 'AtKeyword',\n name: scanWord(tokenizer)\n };\n }\n\n return maybeToken(tokenizer);\n\n case ASTERISK:\n case PLUSSIGN:\n case QUESTIONMARK:\n case NUMBERSIGN:\n case EXCLAMATIONMARK:\n // prohibited tokens (used as a multiplier start)\n break;\n\n case LEFTCURLYBRACKET:\n // LEFTCURLYBRACKET is allowed since mdn/data uses it w/o quoting\n // check next char isn't a number, because it's likely a disjoined multiplier\n code = tokenizer.nextCharCode();\n\n if (code < 48 || code > 57) {\n return maybeToken(tokenizer);\n }\n\n break;\n\n default:\n return maybeToken(tokenizer);\n }\n}\n\nexport function parse(source) {\n const tokenizer = new Tokenizer(source);\n const result = readImplicitGroup(tokenizer);\n\n if (tokenizer.pos !== source.length) {\n tokenizer.error('Unexpected input');\n }\n\n // reduce redundant groups with single group term\n if (result.terms.length === 1 && result.terms[0].type === 'Group') {\n return result.terms[0];\n }\n\n return result;\n};\n","const noop = function() {};\n\nfunction ensureFunction(value) {\n return typeof value === 'function' ? value : noop;\n}\n\nexport function walk(node, options, context) {\n function walk(node) {\n enter.call(context, node);\n\n switch (node.type) {\n case 'Group':\n node.terms.forEach(walk);\n break;\n\n case 'Multiplier':\n walk(node.term);\n break;\n\n case 'Type':\n case 'Property':\n case 'Keyword':\n case 'AtKeyword':\n case 'Function':\n case 'String':\n case 'Token':\n case 'Comma':\n break;\n\n default:\n throw new Error('Unknown type: ' + node.type);\n }\n\n leave.call(context, node);\n }\n\n let enter = noop;\n let leave = noop;\n\n if (typeof options === 'function') {\n enter = options;\n } else if (options) {\n enter = ensureFunction(options.enter);\n leave = ensureFunction(options.leave);\n }\n\n if (enter === noop && leave === noop) {\n throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\\'t a function');\n }\n\n walk(node, context);\n};\n","import { tokenize } from '../tokenizer/index.js';\n\nconst astToTokens = {\n decorator(handlers) {\n const tokens = [];\n let curNode = null;\n\n return {\n ...handlers,\n node(node) {\n const tmp = curNode;\n curNode = node;\n handlers.node.call(this, node);\n curNode = tmp;\n },\n emit(value, type, auto) {\n tokens.push({\n type,\n value,\n node: auto ? null : curNode\n });\n },\n result() {\n return tokens;\n }\n };\n }\n};\n\nfunction stringToTokens(str) {\n const tokens = [];\n\n tokenize(str, (type, start, end) =>\n tokens.push({\n type,\n value: str.slice(start, end),\n node: null\n })\n );\n\n return tokens;\n}\n\nexport default function(value, syntax) {\n if (typeof value === 'string') {\n return stringToTokens(value);\n }\n\n return syntax.generate(value, astToTokens);\n};\n","import { parse } from '../definition-syntax/parse.js';\n\nexport const MATCH = { type: 'Match' };\nexport const MISMATCH = { type: 'Mismatch' };\nexport const DISALLOW_EMPTY = { type: 'DisallowEmpty' };\n\nconst LEFTPARENTHESIS = 40; // (\nconst RIGHTPARENTHESIS = 41; // )\n\nfunction createCondition(match, thenBranch, elseBranch) {\n // reduce node count\n if (thenBranch === MATCH && elseBranch === MISMATCH) {\n return match;\n }\n\n if (match === MATCH && thenBranch === MATCH && elseBranch === MATCH) {\n return match;\n }\n\n if (match.type === 'If' && match.else === MISMATCH && thenBranch === MATCH) {\n thenBranch = match.then;\n match = match.match;\n }\n\n return {\n type: 'If',\n match,\n then: thenBranch,\n else: elseBranch\n };\n}\n\nfunction isFunctionType(name) {\n return (\n name.length > 2 &&\n name.charCodeAt(name.length - 2) === LEFTPARENTHESIS &&\n name.charCodeAt(name.length - 1) === RIGHTPARENTHESIS\n );\n}\n\nfunction isEnumCapatible(term) {\n return (\n term.type === 'Keyword' ||\n term.type === 'AtKeyword' ||\n term.type === 'Function' ||\n term.type === 'Type' && isFunctionType(term.name)\n );\n}\n\nfunction buildGroupMatchGraph(combinator, terms, atLeastOneTermMatched) {\n switch (combinator) {\n case ' ': {\n // Juxtaposing components means that all of them must occur, in the given order.\n //\n // a b c\n // =\n // match a\n // then match b\n // then match c\n // then MATCH\n // else MISMATCH\n // else MISMATCH\n // else MISMATCH\n let result = MATCH;\n\n for (let i = terms.length - 1; i >= 0; i--) {\n const term = terms[i];\n\n result = createCondition(\n term,\n result,\n MISMATCH\n );\n };\n\n return result;\n }\n\n case '|': {\n // A bar (|) separates two or more alternatives: exactly one of them must occur.\n //\n // a | b | c\n // =\n // match a\n // then MATCH\n // else match b\n // then MATCH\n // else match c\n // then MATCH\n // else MISMATCH\n\n let result = MISMATCH;\n let map = null;\n\n for (let i = terms.length - 1; i >= 0; i--) {\n let term = terms[i];\n\n // reduce sequence of keywords into a Enum\n if (isEnumCapatible(term)) {\n if (map === null && i > 0 && isEnumCapatible(terms[i - 1])) {\n map = Object.create(null);\n result = createCondition(\n {\n type: 'Enum',\n map\n },\n MATCH,\n result\n );\n }\n\n if (map !== null) {\n const key = (isFunctionType(term.name) ? term.name.slice(0, -1) : term.name).toLowerCase();\n if (key in map === false) {\n map[key] = term;\n continue;\n }\n }\n }\n\n map = null;\n\n // create a new conditonal node\n result = createCondition(\n term,\n MATCH,\n result\n );\n };\n\n return result;\n }\n\n case '&&': {\n // A double ampersand (&&) separates two or more components,\n // all of which must occur, in any order.\n\n // Use MatchOnce for groups with a large number of terms,\n // since &&-groups produces at least N!-node trees\n if (terms.length > 5) {\n return {\n type: 'MatchOnce',\n terms,\n all: true\n };\n }\n\n // Use a combination tree for groups with small number of terms\n //\n // a && b && c\n // =\n // match a\n // then [b && c]\n // else match b\n // then [a && c]\n // else match c\n // then [a && b]\n // else MISMATCH\n //\n // a && b\n // =\n // match a\n // then match b\n // then MATCH\n // else MISMATCH\n // else match b\n // then match a\n // then MATCH\n // else MISMATCH\n // else MISMATCH\n let result = MISMATCH;\n\n for (let i = terms.length - 1; i >= 0; i--) {\n const term = terms[i];\n let thenClause;\n\n if (terms.length > 1) {\n thenClause = buildGroupMatchGraph(\n combinator,\n terms.filter(function(newGroupTerm) {\n return newGroupTerm !== term;\n }),\n false\n );\n } else {\n thenClause = MATCH;\n }\n\n result = createCondition(\n term,\n thenClause,\n result\n );\n };\n\n return result;\n }\n\n case '||': {\n // A double bar (||) separates two or more options:\n // one or more of them must occur, in any order.\n\n // Use MatchOnce for groups with a large number of terms,\n // since ||-groups produces at least N!-node trees\n if (terms.length > 5) {\n return {\n type: 'MatchOnce',\n terms,\n all: false\n };\n }\n\n // Use a combination tree for groups with small number of terms\n //\n // a || b || c\n // =\n // match a\n // then [b || c]\n // else match b\n // then [a || c]\n // else match c\n // then [a || b]\n // else MISMATCH\n //\n // a || b\n // =\n // match a\n // then match b\n // then MATCH\n // else MATCH\n // else match b\n // then match a\n // then MATCH\n // else MATCH\n // else MISMATCH\n let result = atLeastOneTermMatched ? MATCH : MISMATCH;\n\n for (let i = terms.length - 1; i >= 0; i--) {\n const term = terms[i];\n let thenClause;\n\n if (terms.length > 1) {\n thenClause = buildGroupMatchGraph(\n combinator,\n terms.filter(function(newGroupTerm) {\n return newGroupTerm !== term;\n }),\n true\n );\n } else {\n thenClause = MATCH;\n }\n\n result = createCondition(\n term,\n thenClause,\n result\n );\n };\n\n return result;\n }\n }\n}\n\nfunction buildMultiplierMatchGraph(node) {\n let result = MATCH;\n let matchTerm = buildMatchGraphInternal(node.term);\n\n if (node.max === 0) {\n // disable repeating of empty match to prevent infinite loop\n matchTerm = createCondition(\n matchTerm,\n DISALLOW_EMPTY,\n MISMATCH\n );\n\n // an occurrence count is not limited, make a cycle;\n // to collect more terms on each following matching mismatch\n result = createCondition(\n matchTerm,\n null, // will be a loop\n MISMATCH\n );\n\n result.then = createCondition(\n MATCH,\n MATCH,\n result // make a loop\n );\n\n if (node.comma) {\n result.then.else = createCondition(\n { type: 'Comma', syntax: node },\n result,\n MISMATCH\n );\n }\n } else {\n // create a match node chain for [min .. max] interval with optional matches\n for (let i = node.min || 1; i <= node.max; i++) {\n if (node.comma && result !== MATCH) {\n result = createCondition(\n { type: 'Comma', syntax: node },\n result,\n MISMATCH\n );\n }\n\n result = createCondition(\n matchTerm,\n createCondition(\n MATCH,\n MATCH,\n result\n ),\n MISMATCH\n );\n }\n }\n\n if (node.min === 0) {\n // allow zero match\n result = createCondition(\n MATCH,\n MATCH,\n result\n );\n } else {\n // create a match node chain to collect [0 ... min - 1] required matches\n for (let i = 0; i < node.min - 1; i++) {\n if (node.comma && result !== MATCH) {\n result = createCondition(\n { type: 'Comma', syntax: node },\n result,\n MISMATCH\n );\n }\n\n result = createCondition(\n matchTerm,\n result,\n MISMATCH\n );\n }\n }\n\n return result;\n}\n\nfunction buildMatchGraphInternal(node) {\n if (typeof node === 'function') {\n return {\n type: 'Generic',\n fn: node\n };\n }\n\n switch (node.type) {\n case 'Group': {\n let result = buildGroupMatchGraph(\n node.combinator,\n node.terms.map(buildMatchGraphInternal),\n false\n );\n\n if (node.disallowEmpty) {\n result = createCondition(\n result,\n DISALLOW_EMPTY,\n MISMATCH\n );\n }\n\n return result;\n }\n\n case 'Multiplier':\n return buildMultiplierMatchGraph(node);\n\n case 'Type':\n case 'Property':\n return {\n type: node.type,\n name: node.name,\n syntax: node\n };\n\n case 'Keyword':\n return {\n type: node.type,\n name: node.name.toLowerCase(),\n syntax: node\n };\n\n case 'AtKeyword':\n return {\n type: node.type,\n name: '@' + node.name.toLowerCase(),\n syntax: node\n };\n\n case 'Function':\n return {\n type: node.type,\n name: node.name.toLowerCase() + '(',\n syntax: node\n };\n\n case 'String':\n // convert a one char length String to a Token\n if (node.value.length === 3) {\n return {\n type: 'Token',\n value: node.value.charAt(1),\n syntax: node\n };\n }\n\n // otherwise use it as is\n return {\n type: node.type,\n value: node.value.substr(1, node.value.length - 2).replace(/\\\\'/g, '\\''),\n syntax: node\n };\n\n case 'Token':\n return {\n type: node.type,\n value: node.value,\n syntax: node\n };\n\n case 'Comma':\n return {\n type: node.type,\n syntax: node\n };\n\n default:\n throw new Error('Unknown node type:', node.type);\n }\n}\n\nexport function buildMatchGraph(syntaxTree, ref) {\n if (typeof syntaxTree === 'string') {\n syntaxTree = parse(syntaxTree);\n }\n\n return {\n type: 'MatchGraph',\n match: buildMatchGraphInternal(syntaxTree),\n syntax: ref || null,\n source: syntaxTree\n };\n}\n","import { MATCH, MISMATCH, DISALLOW_EMPTY } from './match-graph.js';\nimport * as TYPE from '../tokenizer/types.js';\n\nconst { hasOwnProperty } = Object.prototype;\nconst STUB = 0;\nconst TOKEN = 1;\nconst OPEN_SYNTAX = 2;\nconst CLOSE_SYNTAX = 3;\n\nconst EXIT_REASON_MATCH = 'Match';\nconst EXIT_REASON_MISMATCH = 'Mismatch';\nconst EXIT_REASON_ITERATION_LIMIT = 'Maximum iteration number exceeded (please fill an issue on https://github.com/csstree/csstree/issues)';\n\nconst ITERATION_LIMIT = 15000;\nexport let totalIterationCount = 0;\n\nfunction reverseList(list) {\n let prev = null;\n let next = null;\n let item = list;\n\n while (item !== null) {\n next = item.prev;\n item.prev = prev;\n prev = item;\n item = next;\n }\n\n return prev;\n}\n\nfunction areStringsEqualCaseInsensitive(testStr, referenceStr) {\n if (testStr.length !== referenceStr.length) {\n return false;\n }\n\n for (let i = 0; i < testStr.length; i++) {\n const referenceCode = referenceStr.charCodeAt(i);\n let testCode = testStr.charCodeAt(i);\n\n // testCode.toLowerCase() for U+0041 LATIN CAPITAL LETTER A (A) .. U+005A LATIN CAPITAL LETTER Z (Z).\n if (testCode >= 0x0041 && testCode <= 0x005A) {\n testCode = testCode | 32;\n }\n\n if (testCode !== referenceCode) {\n return false;\n }\n }\n\n return true;\n}\n\nfunction isContextEdgeDelim(token) {\n if (token.type !== TYPE.Delim) {\n return false;\n }\n\n // Fix matching for unicode-range: U+30??, U+FF00-FF9F\n // Probably we need to check out previous match instead\n return token.value !== '?';\n}\n\nfunction isCommaContextStart(token) {\n if (token === null) {\n return true;\n }\n\n return (\n token.type === TYPE.Comma ||\n token.type === TYPE.Function ||\n token.type === TYPE.LeftParenthesis ||\n token.type === TYPE.LeftSquareBracket ||\n token.type === TYPE.LeftCurlyBracket ||\n isContextEdgeDelim(token)\n );\n}\n\nfunction isCommaContextEnd(token) {\n if (token === null) {\n return true;\n }\n\n return (\n token.type === TYPE.RightParenthesis ||\n token.type === TYPE.RightSquareBracket ||\n token.type === TYPE.RightCurlyBracket ||\n (token.type === TYPE.Delim && token.value === '/')\n );\n}\n\nfunction internalMatch(tokens, state, syntaxes) {\n function moveToNextToken() {\n do {\n tokenIndex++;\n token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;\n } while (token !== null && (token.type === TYPE.WhiteSpace || token.type === TYPE.Comment));\n }\n\n function getNextToken(offset) {\n const nextIndex = tokenIndex + offset;\n\n return nextIndex < tokens.length ? tokens[nextIndex] : null;\n }\n\n function stateSnapshotFromSyntax(nextState, prev) {\n return {\n nextState,\n matchStack,\n syntaxStack,\n thenStack,\n tokenIndex,\n prev\n };\n }\n\n function pushThenStack(nextState) {\n thenStack = {\n nextState,\n matchStack,\n syntaxStack,\n prev: thenStack\n };\n }\n\n function pushElseStack(nextState) {\n elseStack = stateSnapshotFromSyntax(nextState, elseStack);\n }\n\n function addTokenToMatch() {\n matchStack = {\n type: TOKEN,\n syntax: state.syntax,\n token,\n prev: matchStack\n };\n\n moveToNextToken();\n syntaxStash = null;\n\n if (tokenIndex > longestMatch) {\n longestMatch = tokenIndex;\n }\n }\n\n function openSyntax() {\n syntaxStack = {\n syntax: state.syntax,\n opts: state.syntax.opts || (syntaxStack !== null && syntaxStack.opts) || null,\n prev: syntaxStack\n };\n\n matchStack = {\n type: OPEN_SYNTAX,\n syntax: state.syntax,\n token: matchStack.token,\n prev: matchStack\n };\n }\n\n function closeSyntax() {\n if (matchStack.type === OPEN_SYNTAX) {\n matchStack = matchStack.prev;\n } else {\n matchStack = {\n type: CLOSE_SYNTAX,\n syntax: syntaxStack.syntax,\n token: matchStack.token,\n prev: matchStack\n };\n }\n\n syntaxStack = syntaxStack.prev;\n }\n\n let syntaxStack = null;\n let thenStack = null;\n let elseStack = null;\n\n // null – stashing allowed, nothing stashed\n // false – stashing disabled, nothing stashed\n // anithing else – fail stashable syntaxes, some syntax stashed\n let syntaxStash = null;\n\n let iterationCount = 0; // count iterations and prevent infinite loop\n let exitReason = null;\n\n let token = null;\n let tokenIndex = -1;\n let longestMatch = 0;\n let matchStack = {\n type: STUB,\n syntax: null,\n token: null,\n prev: null\n };\n\n moveToNextToken();\n\n while (exitReason === null && ++iterationCount < ITERATION_LIMIT) {\n // function mapList(list, fn) {\n // const result = [];\n // while (list) {\n // result.unshift(fn(list));\n // list = list.prev;\n // }\n // return result;\n // }\n // console.log('--\\n',\n // '#' + iterationCount,\n // require('util').inspect({\n // match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? ({ [OPEN_SYNTAX]: '<', [CLOSE_SYNTAX]: '</' }[x.type] || x.type) + '!' + x.syntax.name : null),\n // token: token && token.value,\n // tokenIndex,\n // syntax: syntax.type + (syntax.id ? ' #' + syntax.id : '')\n // }, { depth: null })\n // );\n switch (state.type) {\n case 'Match':\n if (thenStack === null) {\n // turn to MISMATCH when some tokens left unmatched\n if (token !== null) {\n // doesn't mismatch if just one token left and it's an IE hack\n if (tokenIndex !== tokens.length - 1 || (token.value !== '\\\\0' && token.value !== '\\\\9')) {\n state = MISMATCH;\n break;\n }\n }\n\n // break the main loop, return a result - MATCH\n exitReason = EXIT_REASON_MATCH;\n break;\n }\n\n // go to next syntax (`then` branch)\n state = thenStack.nextState;\n\n // check match is not empty\n if (state === DISALLOW_EMPTY) {\n if (thenStack.matchStack === matchStack) {\n state = MISMATCH;\n break;\n } else {\n state = MATCH;\n }\n }\n\n // close syntax if needed\n while (thenStack.syntaxStack !== syntaxStack) {\n closeSyntax();\n }\n\n // pop stack\n thenStack = thenStack.prev;\n break;\n\n case 'Mismatch':\n // when some syntax is stashed\n if (syntaxStash !== null && syntaxStash !== false) {\n // there is no else branches or a branch reduce match stack\n if (elseStack === null || tokenIndex > elseStack.tokenIndex) {\n // restore state from the stash\n elseStack = syntaxStash;\n syntaxStash = false; // disable stashing\n }\n } else if (elseStack === null) {\n // no else branches -> break the main loop\n // return a result - MISMATCH\n exitReason = EXIT_REASON_MISMATCH;\n break;\n }\n\n // go to next syntax (`else` branch)\n state = elseStack.nextState;\n\n // restore all the rest stack states\n thenStack = elseStack.thenStack;\n syntaxStack = elseStack.syntaxStack;\n matchStack = elseStack.matchStack;\n tokenIndex = elseStack.tokenIndex;\n token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;\n\n // pop stack\n elseStack = elseStack.prev;\n break;\n\n case 'MatchGraph':\n state = state.match;\n break;\n\n case 'If':\n // IMPORTANT: else stack push must go first,\n // since it stores the state of thenStack before changes\n if (state.else !== MISMATCH) {\n pushElseStack(state.else);\n }\n\n if (state.then !== MATCH) {\n pushThenStack(state.then);\n }\n\n state = state.match;\n break;\n\n case 'MatchOnce':\n state = {\n type: 'MatchOnceBuffer',\n syntax: state,\n index: 0,\n mask: 0\n };\n break;\n\n case 'MatchOnceBuffer': {\n const terms = state.syntax.terms;\n\n if (state.index === terms.length) {\n // no matches at all or it's required all terms to be matched\n if (state.mask === 0 || state.syntax.all) {\n state = MISMATCH;\n break;\n }\n\n // a partial match is ok\n state = MATCH;\n break;\n }\n\n // all terms are matched\n if (state.mask === (1 << terms.length) - 1) {\n state = MATCH;\n break;\n }\n\n for (; state.index < terms.length; state.index++) {\n const matchFlag = 1 << state.index;\n\n if ((state.mask & matchFlag) === 0) {\n // IMPORTANT: else stack push must go first,\n // since it stores the state of thenStack before changes\n pushElseStack(state);\n pushThenStack({\n type: 'AddMatchOnce',\n syntax: state.syntax,\n mask: state.mask | matchFlag\n });\n\n // match\n state = terms[state.index++];\n break;\n }\n }\n break;\n }\n\n case 'AddMatchOnce':\n state = {\n type: 'MatchOnceBuffer',\n syntax: state.syntax,\n index: 0,\n mask: state.mask\n };\n break;\n\n case 'Enum':\n if (token !== null) {\n let name = token.value.toLowerCase();\n\n // drop \\0 and \\9 hack from keyword name\n if (name.indexOf('\\\\') !== -1) {\n name = name.replace(/\\\\[09].*$/, '');\n }\n\n if (hasOwnProperty.call(state.map, name)) {\n state = state.map[name];\n break;\n }\n }\n\n state = MISMATCH;\n break;\n\n case 'Generic': {\n const opts = syntaxStack !== null ? syntaxStack.opts : null;\n const lastTokenIndex = tokenIndex + Math.floor(state.fn(token, getNextToken, opts));\n\n if (!isNaN(lastTokenIndex) && lastTokenIndex > tokenIndex) {\n while (tokenIndex < lastTokenIndex) {\n addTokenToMatch();\n }\n\n state = MATCH;\n } else {\n state = MISMATCH;\n }\n\n break;\n }\n\n case 'Type':\n case 'Property': {\n const syntaxDict = state.type === 'Type' ? 'types' : 'properties';\n const dictSyntax = hasOwnProperty.call(syntaxes, syntaxDict) ? syntaxes[syntaxDict][state.name] : null;\n\n if (!dictSyntax || !dictSyntax.match) {\n throw new Error(\n 'Bad syntax reference: ' +\n (state.type === 'Type'\n ? '<' + state.name + '>'\n : '<\\'' + state.name + '\\'>')\n );\n }\n\n // stash a syntax for types with low priority\n if (syntaxStash !== false && token !== null && state.type === 'Type') {\n const lowPriorityMatching =\n // https://drafts.csswg.org/css-values-4/#custom-idents\n // When parsing positionally-ambiguous keywords in a property value, a <custom-ident> production\n // can only claim the keyword if no other unfulfilled production can claim it.\n (state.name === 'custom-ident' && token.type === TYPE.Ident) ||\n\n // https://drafts.csswg.org/css-values-4/#lengths\n // ... if a `0` could be parsed as either a <number> or a <length> in a property (such as line-height),\n // it must parse as a <number>\n (state.name === 'length' && token.value === '0');\n\n if (lowPriorityMatching) {\n if (syntaxStash === null) {\n syntaxStash = stateSnapshotFromSyntax(state, elseStack);\n }\n\n state = MISMATCH;\n break;\n }\n }\n\n openSyntax();\n state = dictSyntax.match;\n break;\n }\n\n case 'Keyword': {\n const name = state.name;\n\n if (token !== null) {\n let keywordName = token.value;\n\n // drop \\0 and \\9 hack from keyword name\n if (keywordName.indexOf('\\\\') !== -1) {\n keywordName = keywordName.replace(/\\\\[09].*$/, '');\n }\n\n if (areStringsEqualCaseInsensitive(keywordName, name)) {\n addTokenToMatch();\n state = MATCH;\n break;\n }\n }\n\n state = MISMATCH;\n break;\n }\n\n case 'AtKeyword':\n case 'Function':\n if (token !== null && areStringsEqualCaseInsensitive(token.value, state.name)) {\n addTokenToMatch();\n state = MATCH;\n break;\n }\n\n state = MISMATCH;\n break;\n\n case 'Token':\n if (token !== null && token.value === state.value) {\n addTokenToMatch();\n state = MATCH;\n break;\n }\n\n state = MISMATCH;\n break;\n\n case 'Comma':\n if (token !== null && token.type === TYPE.Comma) {\n if (isCommaContextStart(matchStack.token)) {\n state = MISMATCH;\n } else {\n addTokenToMatch();\n state = isCommaContextEnd(token) ? MISMATCH : MATCH;\n }\n } else {\n state = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? MATCH : MISMATCH;\n }\n\n break;\n\n case 'String':\n let string = '';\n let lastTokenIndex = tokenIndex;\n\n for (; lastTokenIndex < tokens.length && string.length < state.value.length; lastTokenIndex++) {\n string += tokens[lastTokenIndex].value;\n }\n\n if (areStringsEqualCaseInsensitive(string, state.value)) {\n while (tokenIndex < lastTokenIndex) {\n addTokenToMatch();\n }\n\n state = MATCH;\n } else {\n state = MISMATCH;\n }\n\n break;\n\n default:\n throw new Error('Unknown node type: ' + state.type);\n }\n }\n\n totalIterationCount += iterationCount;\n\n switch (exitReason) {\n case null:\n console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations');\n exitReason = EXIT_REASON_ITERATION_LIMIT;\n matchStack = null;\n break;\n\n case EXIT_REASON_MATCH:\n while (syntaxStack !== null) {\n closeSyntax();\n }\n break;\n\n default:\n matchStack = null;\n }\n\n return {\n tokens,\n reason: exitReason,\n iterations: iterationCount,\n match: matchStack,\n longestMatch\n };\n}\n\nexport function matchAsList(tokens, matchGraph, syntaxes) {\n const matchResult = internalMatch(tokens, matchGraph, syntaxes || {});\n\n if (matchResult.match !== null) {\n let item = reverseList(matchResult.match).prev;\n\n matchResult.match = [];\n\n while (item !== null) {\n switch (item.type) {\n case OPEN_SYNTAX:\n case CLOSE_SYNTAX:\n matchResult.match.push({\n type: item.type,\n syntax: item.syntax\n });\n break;\n\n default:\n matchResult.match.push({\n token: item.token.value,\n node: item.token.node\n });\n break;\n }\n\n item = item.prev;\n }\n }\n\n return matchResult;\n}\n\nexport function matchAsTree(tokens, matchGraph, syntaxes) {\n const matchResult = internalMatch(tokens, matchGraph, syntaxes || {});\n\n if (matchResult.match === null) {\n return matchResult;\n }\n\n let item = matchResult.match;\n let host = matchResult.match = {\n syntax: matchGraph.syntax || null,\n match: []\n };\n const hostStack = [host];\n\n // revert a list and start with 2nd item since 1st is a stub item\n item = reverseList(item).prev;\n\n // build a tree\n while (item !== null) {\n switch (item.type) {\n case OPEN_SYNTAX:\n host.match.push(host = {\n syntax: item.syntax,\n match: []\n });\n hostStack.push(host);\n break;\n\n case CLOSE_SYNTAX:\n hostStack.pop();\n host = hostStack[hostStack.length - 1];\n break;\n\n default:\n host.match.push({\n syntax: item.syntax || null,\n token: item.token.value,\n node: item.token.node\n });\n }\n\n item = item.prev;\n }\n\n return matchResult;\n}\n","export function getTrace(node) {\n function shouldPutToTrace(syntax) {\n if (syntax === null) {\n return false;\n }\n\n return (\n syntax.type === 'Type' ||\n syntax.type === 'Property' ||\n syntax.type === 'Keyword'\n );\n }\n\n function hasMatch(matchNode) {\n if (Array.isArray(matchNode.match)) {\n // use for-loop for better perfomance\n for (let i = 0; i < matchNode.match.length; i++) {\n if (hasMatch(matchNode.match[i])) {\n if (shouldPutToTrace(matchNode.syntax)) {\n result.unshift(matchNode.syntax);\n }\n\n return true;\n }\n }\n } else if (matchNode.node === node) {\n result = shouldPutToTrace(matchNode.syntax)\n ? [matchNode.syntax]\n : [];\n\n return true;\n }\n\n return false;\n }\n\n let result = null;\n\n if (this.matched !== null) {\n hasMatch(this.matched);\n }\n\n return result;\n}\n\nexport function isType(node, type) {\n return testNode(this, node, match => match.type === 'Type' && match.name === type);\n}\n\nexport function isProperty(node, property) {\n return testNode(this, node, match => match.type === 'Property' && match.name === property);\n}\n\nexport function isKeyword(node) {\n return testNode(this, node, match => match.type === 'Keyword');\n}\n\nfunction testNode(match, node, fn) {\n const trace = getTrace.call(match, node);\n\n if (trace === null) {\n return false;\n }\n\n return trace.some(fn);\n}\n","import { List } from '../utils/List.js';\n\nfunction getFirstMatchNode(matchNode) {\n if ('node' in matchNode) {\n return matchNode.node;\n }\n\n return getFirstMatchNode(matchNode.match[0]);\n}\n\nfunction getLastMatchNode(matchNode) {\n if ('node' in matchNode) {\n return matchNode.node;\n }\n\n return getLastMatchNode(matchNode.match[matchNode.match.length - 1]);\n}\n\nexport function matchFragments(lexer, ast, match, type, name) {\n function findFragments(matchNode) {\n if (matchNode.syntax !== null &&\n matchNode.syntax.type === type &&\n matchNode.syntax.name === name) {\n const start = getFirstMatchNode(matchNode);\n const end = getLastMatchNode(matchNode);\n\n lexer.syntax.walk(ast, function(node, item, list) {\n if (node === start) {\n const nodes = new List();\n\n do {\n nodes.appendData(item.data);\n\n if (item.data === end) {\n break;\n }\n\n item = item.next;\n } while (item !== null);\n\n fragments.push({\n parent: list,\n nodes\n });\n }\n });\n }\n\n if (Array.isArray(matchNode.match)) {\n matchNode.match.forEach(findFragments);\n }\n }\n\n const fragments = [];\n\n if (match.matched !== null) {\n findFragments(match.matched);\n }\n\n return fragments;\n}\n","import { List } from '../utils/List.js';\n\nconst { hasOwnProperty } = Object.prototype;\n\nfunction isValidNumber(value) {\n // Number.isInteger(value) && value >= 0\n return (\n typeof value === 'number' &&\n isFinite(value) &&\n Math.floor(value) === value &&\n value >= 0\n );\n}\n\nfunction isValidLocation(loc) {\n return (\n Boolean(loc) &&\n isValidNumber(loc.offset) &&\n isValidNumber(loc.line) &&\n isValidNumber(loc.column)\n );\n}\n\nfunction createNodeStructureChecker(type, fields) {\n return function checkNode(node, warn) {\n if (!node || node.constructor !== Object) {\n return warn(node, 'Type of node should be an Object');\n }\n\n for (let key in node) {\n let valid = true;\n\n if (hasOwnProperty.call(node, key) === false) {\n continue;\n }\n\n if (key === 'type') {\n if (node.type !== type) {\n warn(node, 'Wrong node type `' + node.type + '`, expected `' + type + '`');\n }\n } else if (key === 'loc') {\n if (node.loc === null) {\n continue;\n } else if (node.loc && node.loc.constructor === Object) {\n if (typeof node.loc.source !== 'string') {\n key += '.source';\n } else if (!isValidLocation(node.loc.start)) {\n key += '.start';\n } else if (!isValidLocation(node.loc.end)) {\n key += '.end';\n } else {\n continue;\n }\n }\n\n valid = false;\n } else if (fields.hasOwnProperty(key)) {\n valid = false;\n\n for (let i = 0; !valid && i < fields[key].length; i++) {\n const fieldType = fields[key][i];\n\n switch (fieldType) {\n case String:\n valid = typeof node[key] === 'string';\n break;\n\n case Boolean:\n valid = typeof node[key] === 'boolean';\n break;\n\n case null:\n valid = node[key] === null;\n break;\n\n default:\n if (typeof fieldType === 'string') {\n valid = node[key] && node[key].type === fieldType;\n } else if (Array.isArray(fieldType)) {\n valid = node[key] instanceof List;\n }\n }\n }\n } else {\n warn(node, 'Unknown field `' + key + '` for ' + type + ' node type');\n }\n\n if (!valid) {\n warn(node, 'Bad value for `' + type + '.' + key + '`');\n }\n }\n\n for (const key in fields) {\n if (hasOwnProperty.call(fields, key) &&\n hasOwnProperty.call(node, key) === false) {\n warn(node, 'Field `' + type + '.' + key + '` is missed');\n }\n }\n };\n}\n\nfunction processStructure(name, nodeType) {\n const structure = nodeType.structure;\n const fields = {\n type: String,\n loc: true\n };\n const docs = {\n type: '\"' + name + '\"'\n };\n\n for (const key in structure) {\n if (hasOwnProperty.call(structure, key) === false) {\n continue;\n }\n\n const docsTypes = [];\n const fieldTypes = fields[key] = Array.isArray(structure[key])\n ? structure[key].slice()\n : [structure[key]];\n\n for (let i = 0; i < fieldTypes.length; i++) {\n const fieldType = fieldTypes[i];\n if (fieldType === String || fieldType === Boolean) {\n docsTypes.push(fieldType.name);\n } else if (fieldType === null) {\n docsTypes.push('null');\n } else if (typeof fieldType === 'string') {\n docsTypes.push('<' + fieldType + '>');\n } else if (Array.isArray(fieldType)) {\n docsTypes.push('List'); // TODO: use type enum\n } else {\n throw new Error('Wrong value `' + fieldType + '` in `' + name + '.' + key + '` structure definition');\n }\n }\n\n docs[key] = docsTypes.join(' | ');\n }\n\n return {\n docs,\n check: createNodeStructureChecker(name, fields)\n };\n}\n\nexport function getStructureFromConfig(config) {\n const structure = {};\n\n if (config.node) {\n for (const name in config.node) {\n if (hasOwnProperty.call(config.node, name)) {\n const nodeType = config.node[name];\n\n if (nodeType.structure) {\n structure[name] = processStructure(name, nodeType);\n } else {\n throw new Error('Missed `structure` field in `' + name + '` node type definition');\n }\n }\n }\n }\n\n return structure;\n};\n","import { SyntaxReferenceError, SyntaxMatchError } from './error.js';\nimport * as names from '../utils/names.js';\nimport { cssWideKeywords } from './generic-const.js';\nimport generic from './generic.js';\nimport { parse, generate, walk } from '../definition-syntax/index.js';\nimport prepareTokens from './prepare-tokens.js';\nimport { buildMatchGraph } from './match-graph.js';\nimport { matchAsTree } from './match.js';\nimport * as trace from './trace.js';\nimport { matchFragments } from './search.js';\nimport { getStructureFromConfig } from './structure.js';\n\nconst cssWideKeywordsSyntax = buildMatchGraph(cssWideKeywords.join(' | '));\n\nfunction dumpMapSyntax(map, compact, syntaxAsAst) {\n const result = {};\n\n for (const name in map) {\n if (map[name].syntax) {\n result[name] = syntaxAsAst\n ? map[name].syntax\n : generate(map[name].syntax, { compact });\n }\n }\n\n return result;\n}\n\nfunction dumpAtruleMapSyntax(map, compact, syntaxAsAst) {\n const result = {};\n\n for (const [name, atrule] of Object.entries(map)) {\n result[name] = {\n prelude: atrule.prelude && (\n syntaxAsAst\n ? atrule.prelude.syntax\n : generate(atrule.prelude.syntax, { compact })\n ),\n descriptors: atrule.descriptors && dumpMapSyntax(atrule.descriptors, compact, syntaxAsAst)\n };\n }\n\n return result;\n}\n\nfunction valueHasVar(tokens) {\n for (let i = 0; i < tokens.length; i++) {\n if (tokens[i].value.toLowerCase() === 'var(') {\n return true;\n }\n }\n\n return false;\n}\n\nfunction buildMatchResult(matched, error, iterations) {\n return {\n matched,\n iterations,\n error,\n ...trace\n };\n}\n\nfunction matchSyntax(lexer, syntax, value, useCssWideKeywords) {\n const tokens = prepareTokens(value, lexer.syntax);\n let result;\n\n if (valueHasVar(tokens)) {\n return buildMatchResult(null, new Error('Matching for a tree with var() is not supported'));\n }\n\n if (useCssWideKeywords) {\n result = matchAsTree(tokens, lexer.cssWideKeywordsSyntax, lexer);\n }\n\n if (!useCssWideKeywords || !result.match) {\n result = matchAsTree(tokens, syntax.match, lexer);\n if (!result.match) {\n return buildMatchResult(\n null,\n new SyntaxMatchError(result.reason, syntax.syntax, value, result),\n result.iterations\n );\n }\n }\n\n return buildMatchResult(result.match, null, result.iterations);\n}\n\nexport class Lexer {\n constructor(config, syntax, structure) {\n this.cssWideKeywordsSyntax = cssWideKeywordsSyntax;\n this.syntax = syntax;\n this.generic = false;\n this.atrules = Object.create(null);\n this.properties = Object.create(null);\n this.types = Object.create(null);\n this.structure = structure || getStructureFromConfig(config);\n\n if (config) {\n if (config.types) {\n for (const name in config.types) {\n this.addType_(name, config.types[name]);\n }\n }\n\n if (config.generic) {\n this.generic = true;\n for (const name in generic) {\n this.addType_(name, generic[name]);\n }\n }\n\n if (config.atrules) {\n for (const name in config.atrules) {\n this.addAtrule_(name, config.atrules[name]);\n }\n }\n\n if (config.properties) {\n for (const name in config.properties) {\n this.addProperty_(name, config.properties[name]);\n }\n }\n }\n }\n\n checkStructure(ast) {\n function collectWarning(node, message) {\n warns.push({ node, message });\n }\n\n const structure = this.structure;\n const warns = [];\n\n this.syntax.walk(ast, function(node) {\n if (structure.hasOwnProperty(node.type)) {\n structure[node.type].check(node, collectWarning);\n } else {\n collectWarning(node, 'Unknown node type `' + node.type + '`');\n }\n });\n\n return warns.length ? warns : false;\n }\n\n createDescriptor(syntax, type, name, parent = null) {\n const ref = {\n type,\n name\n };\n const descriptor = {\n type,\n name,\n parent,\n serializable: typeof syntax === 'string' || (syntax && typeof syntax.type === 'string'),\n syntax: null,\n match: null\n };\n\n if (typeof syntax === 'function') {\n descriptor.match = buildMatchGraph(syntax, ref);\n } else {\n if (typeof syntax === 'string') {\n // lazy parsing on first access\n Object.defineProperty(descriptor, 'syntax', {\n get() {\n Object.defineProperty(descriptor, 'syntax', {\n value: parse(syntax)\n });\n\n return descriptor.syntax;\n }\n });\n } else {\n descriptor.syntax = syntax;\n }\n\n // lazy graph build on first access\n Object.defineProperty(descriptor, 'match', {\n get() {\n Object.defineProperty(descriptor, 'match', {\n value: buildMatchGraph(descriptor.syntax, ref)\n });\n\n return descriptor.match;\n }\n });\n }\n\n return descriptor;\n }\n addAtrule_(name, syntax) {\n if (!syntax) {\n return;\n }\n\n this.atrules[name] = {\n type: 'Atrule',\n name: name,\n prelude: syntax.prelude ? this.createDescriptor(syntax.prelude, 'AtrulePrelude', name) : null,\n descriptors: syntax.descriptors\n ? Object.keys(syntax.descriptors).reduce(\n (map, descName) => {\n map[descName] = this.createDescriptor(syntax.descriptors[descName], 'AtruleDescriptor', descName, name);\n return map;\n },\n Object.create(null)\n )\n : null\n };\n }\n addProperty_(name, syntax) {\n if (!syntax) {\n return;\n }\n\n this.properties[name] = this.createDescriptor(syntax, 'Property', name);\n }\n addType_(name, syntax) {\n if (!syntax) {\n return;\n }\n\n this.types[name] = this.createDescriptor(syntax, 'Type', name);\n }\n\n checkAtruleName(atruleName) {\n if (!this.getAtrule(atruleName)) {\n return new SyntaxReferenceError('Unknown at-rule', '@' + atruleName);\n }\n }\n checkAtrulePrelude(atruleName, prelude) {\n const error = this.checkAtruleName(atruleName);\n\n if (error) {\n return error;\n }\n\n const atrule = this.getAtrule(atruleName);\n\n if (!atrule.prelude && prelude) {\n return new SyntaxError('At-rule `@' + atruleName + '` should not contain a prelude');\n }\n\n if (atrule.prelude && !prelude) {\n if (!matchSyntax(this, atrule.prelude, '', false).matched) {\n return new SyntaxError('At-rule `@' + atruleName + '` should contain a prelude');\n }\n }\n }\n checkAtruleDescriptorName(atruleName, descriptorName) {\n const error = this.checkAtruleName(atruleName);\n\n if (error) {\n return error;\n }\n\n const atrule = this.getAtrule(atruleName);\n const descriptor = names.keyword(descriptorName);\n\n if (!atrule.descriptors) {\n return new SyntaxError('At-rule `@' + atruleName + '` has no known descriptors');\n }\n\n if (!atrule.descriptors[descriptor.name] &&\n !atrule.descriptors[descriptor.basename]) {\n return new SyntaxReferenceError('Unknown at-rule descriptor', descriptorName);\n }\n }\n checkPropertyName(propertyName) {\n if (!this.getProperty(propertyName)) {\n return new SyntaxReferenceError('Unknown property', propertyName);\n }\n }\n\n matchAtrulePrelude(atruleName, prelude) {\n const error = this.checkAtrulePrelude(atruleName, prelude);\n\n if (error) {\n return buildMatchResult(null, error);\n }\n\n const atrule = this.getAtrule(atruleName);\n\n if (!atrule.prelude) {\n return buildMatchResult(null, null);\n }\n\n return matchSyntax(this, atrule.prelude, prelude || '', false);\n }\n matchAtruleDescriptor(atruleName, descriptorName, value) {\n const error = this.checkAtruleDescriptorName(atruleName, descriptorName);\n\n if (error) {\n return buildMatchResult(null, error);\n }\n\n const atrule = this.getAtrule(atruleName);\n const descriptor = names.keyword(descriptorName);\n\n return matchSyntax(this, atrule.descriptors[descriptor.name] || atrule.descriptors[descriptor.basename], value, false);\n }\n matchDeclaration(node) {\n if (node.type !== 'Declaration') {\n return buildMatchResult(null, new Error('Not a Declaration node'));\n }\n\n return this.matchProperty(node.property, node.value);\n }\n matchProperty(propertyName, value) {\n // don't match syntax for a custom property at the moment\n if (names.property(propertyName).custom) {\n return buildMatchResult(null, new Error('Lexer matching doesn\\'t applicable for custom properties'));\n }\n\n const error = this.checkPropertyName(propertyName);\n\n if (error) {\n return buildMatchResult(null, error);\n }\n\n return matchSyntax(this, this.getProperty(propertyName), value, true);\n }\n matchType(typeName, value) {\n const typeSyntax = this.getType(typeName);\n\n if (!typeSyntax) {\n return buildMatchResult(null, new SyntaxReferenceError('Unknown type', typeName));\n }\n\n return matchSyntax(this, typeSyntax, value, false);\n }\n match(syntax, value) {\n if (typeof syntax !== 'string' && (!syntax || !syntax.type)) {\n return buildMatchResult(null, new SyntaxReferenceError('Bad syntax'));\n }\n\n if (typeof syntax === 'string' || !syntax.match) {\n syntax = this.createDescriptor(syntax, 'Type', 'anonymous');\n }\n\n return matchSyntax(this, syntax, value, false);\n }\n\n findValueFragments(propertyName, value, type, name) {\n return matchFragments(this, value, this.matchProperty(propertyName, value), type, name);\n }\n findDeclarationValueFragments(declaration, type, name) {\n return matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name);\n }\n findAllFragments(ast, type, name) {\n const result = [];\n\n this.syntax.walk(ast, {\n visit: 'Declaration',\n enter: (declaration) => {\n result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name));\n }\n });\n\n return result;\n }\n\n getAtrule(atruleName, fallbackBasename = true) {\n const atrule = names.keyword(atruleName);\n const atruleEntry = atrule.vendor && fallbackBasename\n ? this.atrules[atrule.name] || this.atrules[atrule.basename]\n : this.atrules[atrule.name];\n\n return atruleEntry || null;\n }\n getAtrulePrelude(atruleName, fallbackBasename = true) {\n const atrule = this.getAtrule(atruleName, fallbackBasename);\n\n return atrule && atrule.prelude || null;\n }\n getAtruleDescriptor(atruleName, name) {\n return this.atrules.hasOwnProperty(atruleName) && this.atrules.declarators\n ? this.atrules[atruleName].declarators[name] || null\n : null;\n }\n getProperty(propertyName, fallbackBasename = true) {\n const property = names.property(propertyName);\n const propertyEntry = property.vendor && fallbackBasename\n ? this.properties[property.name] || this.properties[property.basename]\n : this.properties[property.name];\n\n return propertyEntry || null;\n }\n getType(name) {\n return hasOwnProperty.call(this.types, name) ? this.types[name] : null;\n }\n\n validate() {\n function validate(syntax, name, broken, descriptor) {\n if (broken.has(name)) {\n return broken.get(name);\n }\n\n broken.set(name, false);\n if (descriptor.syntax !== null) {\n walk(descriptor.syntax, function(node) {\n if (node.type !== 'Type' && node.type !== 'Property') {\n return;\n }\n\n const map = node.type === 'Type' ? syntax.types : syntax.properties;\n const brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties;\n\n if (!hasOwnProperty.call(map, node.name) || validate(syntax, node.name, brokenMap, map[node.name])) {\n broken.set(name, true);\n }\n }, this);\n }\n }\n\n let brokenTypes = new Map();\n let brokenProperties = new Map();\n\n for (const key in this.types) {\n validate(this, key, brokenTypes, this.types[key]);\n }\n\n for (const key in this.properties) {\n validate(this, key, brokenProperties, this.properties[key]);\n }\n\n brokenTypes = [...brokenTypes.keys()].filter(name => brokenTypes.get(name));\n brokenProperties = [...brokenProperties.keys()].filter(name => brokenProperties.get(name));\n\n if (brokenTypes.length || brokenProperties.length) {\n return {\n types: brokenTypes,\n properties: brokenProperties\n };\n }\n\n return null;\n }\n dump(syntaxAsAst, pretty) {\n return {\n generic: this.generic,\n types: dumpMapSyntax(this.types, !pretty, syntaxAsAst),\n properties: dumpMapSyntax(this.properties, !pretty, syntaxAsAst),\n atrules: dumpAtruleMapSyntax(this.atrules, !pretty, syntaxAsAst)\n };\n }\n toString() {\n return JSON.stringify(this.dump());\n }\n};\n","const { hasOwnProperty } = Object.prototype;\nconst shape = {\n generic: true,\n types: appendOrAssign,\n atrules: {\n prelude: appendOrAssignOrNull,\n descriptors: appendOrAssignOrNull\n },\n properties: appendOrAssign,\n parseContext: assign,\n scope: deepAssign,\n atrule: ['parse'],\n pseudo: ['parse'],\n node: ['name', 'structure', 'parse', 'generate', 'walkContext']\n};\n\nfunction isObject(value) {\n return value && value.constructor === Object;\n}\n\nfunction copy(value) {\n return isObject(value)\n ? { ...value }\n : value;\n}\n\nfunction assign(dest, src) {\n return Object.assign(dest, src);\n}\n\nfunction deepAssign(dest, src) {\n for (const key in src) {\n if (hasOwnProperty.call(src, key)) {\n if (isObject(dest[key])) {\n deepAssign(dest[key], src[key]);\n } else {\n dest[key] = copy(src[key]);\n }\n }\n }\n\n return dest;\n}\n\nfunction append(a, b) {\n if (typeof b === 'string' && /^\\s*\\|/.test(b)) {\n return typeof a === 'string'\n ? a + b\n : b.replace(/^\\s*\\|\\s*/, '');\n }\n\n return b || null;\n}\n\nfunction appendOrAssign(a, b) {\n if (typeof b === 'string') {\n return append(a, b);\n }\n\n const result = { ...a };\n for (let key in b) {\n if (hasOwnProperty.call(b, key)) {\n result[key] = append(hasOwnProperty.call(a, key) ? a[key] : undefined, b[key]);\n }\n }\n\n return result;\n}\n\nfunction appendOrAssignOrNull(a, b) {\n const result = appendOrAssign(a, b);\n\n return !isObject(result) || Object.keys(result).length\n ? result\n : null;\n}\n\nfunction mix(dest, src, shape) {\n for (const key in shape) {\n if (hasOwnProperty.call(shape, key) === false) {\n continue;\n }\n\n if (shape[key] === true) {\n if (hasOwnProperty.call(src, key)) {\n dest[key] = copy(src[key]);\n }\n } else if (shape[key]) {\n if (typeof shape[key] === 'function') {\n const fn = shape[key];\n dest[key] = fn({}, dest[key]);\n dest[key] = fn(dest[key] || {}, src[key]);\n } else if (isObject(shape[key])) {\n const result = {};\n\n for (let name in dest[key]) {\n result[name] = mix({}, dest[key][name], shape[key]);\n }\n\n for (let name in src[key]) {\n result[name] = mix(result[name] || {}, src[key][name], shape[key]);\n }\n\n dest[key] = result;\n } else if (Array.isArray(shape[key])) {\n const res = {};\n const innerShape = shape[key].reduce(function(s, k) {\n s[k] = true;\n return s;\n }, {});\n\n for (const [name, value] of Object.entries(dest[key] || {})) {\n res[name] = {};\n if (value) {\n mix(res[name], value, innerShape);\n }\n }\n\n for (const name in src[key]) {\n if (hasOwnProperty.call(src[key], name)) {\n if (!res[name]) {\n res[name] = {};\n }\n\n if (src[key] && src[key][name]) {\n mix(res[name], src[key][name], innerShape);\n }\n }\n }\n\n dest[key] = res;\n }\n }\n }\n return dest;\n}\n\nexport default (dest, src) => mix(dest, src, shape);\n","import { tokenize } from '../tokenizer/index.js';\nimport { createParser } from '../parser/create.js';\nimport { createGenerator } from '../generator/create.js';\nimport { createConvertor } from '../convertor/create.js';\nimport { createWalker } from '../walker/create.js';\nimport { Lexer } from '../lexer/Lexer.js';\nimport mix from './config/mix.js';\n\nfunction createSyntax(config) {\n const parse = createParser(config);\n const walk = createWalker(config);\n const generate = createGenerator(config);\n const { fromPlainObject, toPlainObject } = createConvertor(walk);\n\n const syntax = {\n lexer: null,\n createLexer: config => new Lexer(config, syntax, syntax.lexer.structure),\n\n tokenize,\n parse,\n generate,\n\n walk,\n find: walk.find,\n findLast: walk.findLast,\n findAll: walk.findAll,\n\n fromPlainObject,\n toPlainObject,\n\n fork(extension) {\n const base = mix({}, config); // copy of config\n\n return createSyntax(\n typeof extension === 'function'\n ? extension(base, Object.assign)\n : mix(base, extension)\n );\n }\n };\n\n syntax.lexer = new Lexer({\n generic: true,\n types: config.types,\n atrules: config.atrules,\n properties: config.properties,\n node: config.node\n }, syntax);\n\n return syntax;\n};\n\nexport default config => createSyntax(mix({}, config));\n","import { List } from '../utils/List.js';\n\nexport function createConvertor(walk) {\n return {\n fromPlainObject(ast) {\n walk(ast, {\n enter(node) {\n if (node.children && node.children instanceof List === false) {\n node.children = new List().fromArray(node.children);\n }\n }\n });\n\n return ast;\n },\n toPlainObject(ast) {\n walk(ast, {\n leave(node) {\n if (node.children && node.children instanceof List) {\n node.children = node.children.toArray();\n }\n }\n });\n\n return ast;\n }\n };\n};\n","import {\n isDigit,\n WhiteSpace,\n Comment,\n Ident,\n Number,\n Dimension\n} from '../../tokenizer/index.js';\n\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\nconst N = 0x006E; // U+006E LATIN SMALL LETTER N (n)\nconst DISALLOW_SIGN = true;\nconst ALLOW_SIGN = false;\n\nfunction checkInteger(offset, disallowSign) {\n let pos = this.tokenStart + offset;\n const code = this.charCodeAt(pos);\n\n if (code === PLUSSIGN || code === HYPHENMINUS) {\n if (disallowSign) {\n this.error('Number sign is not allowed');\n }\n pos++;\n }\n\n for (; pos < this.tokenEnd; pos++) {\n if (!isDigit(this.charCodeAt(pos))) {\n this.error('Integer is expected', pos);\n }\n }\n}\n\nfunction checkTokenIsInteger(disallowSign) {\n return checkInteger.call(this, 0, disallowSign);\n}\n\nfunction expectCharCode(offset, code) {\n if (!this.cmpChar(this.tokenStart + offset, code)) {\n let msg = '';\n\n switch (code) {\n case N:\n msg = 'N is expected';\n break;\n case HYPHENMINUS:\n msg = 'HyphenMinus is expected';\n break;\n }\n\n this.error(msg, this.tokenStart + offset);\n }\n}\n\n// ... <signed-integer>\n// ... ['+' | '-'] <signless-integer>\nfunction consumeB() {\n let offset = 0;\n let sign = 0;\n let type = this.tokenType;\n\n while (type === WhiteSpace || type === Comment) {\n type = this.lookupType(++offset);\n }\n\n if (type !== Number) {\n if (this.isDelim(PLUSSIGN, offset) ||\n this.isDelim(HYPHENMINUS, offset)) {\n sign = this.isDelim(PLUSSIGN, offset) ? PLUSSIGN : HYPHENMINUS;\n\n do {\n type = this.lookupType(++offset);\n } while (type === WhiteSpace || type === Comment);\n\n if (type !== Number) {\n this.skip(offset);\n checkTokenIsInteger.call(this, DISALLOW_SIGN);\n }\n } else {\n return null;\n }\n }\n\n if (offset > 0) {\n this.skip(offset);\n }\n\n if (sign === 0) {\n type = this.charCodeAt(this.tokenStart);\n if (type !== PLUSSIGN && type !== HYPHENMINUS) {\n this.error('Number sign is expected');\n }\n }\n\n checkTokenIsInteger.call(this, sign !== 0);\n return sign === HYPHENMINUS ? '-' + this.consume(Number) : this.consume(Number);\n}\n\n// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb\nexport const name = 'AnPlusB';\nexport const structure = {\n a: [String, null],\n b: [String, null]\n};\n\nexport function parse() {\n /* eslint-disable brace-style*/\n const start = this.tokenStart;\n let a = null;\n let b = null;\n\n // <integer>\n if (this.tokenType === Number) {\n checkTokenIsInteger.call(this, ALLOW_SIGN);\n b = this.consume(Number);\n }\n\n // -n\n // -n <signed-integer>\n // -n ['+' | '-'] <signless-integer>\n // -n- <signless-integer>\n // <dashndashdigit-ident>\n else if (this.tokenType === Ident && this.cmpChar(this.tokenStart, HYPHENMINUS)) {\n a = '-1';\n\n expectCharCode.call(this, 1, N);\n\n switch (this.tokenEnd - this.tokenStart) {\n // -n\n // -n <signed-integer>\n // -n ['+' | '-'] <signless-integer>\n case 2:\n this.next();\n b = consumeB.call(this);\n break;\n\n // -n- <signless-integer>\n case 3:\n expectCharCode.call(this, 2, HYPHENMINUS);\n\n this.next();\n this.skipSC();\n\n checkTokenIsInteger.call(this, DISALLOW_SIGN);\n\n b = '-' + this.consume(Number);\n break;\n\n // <dashndashdigit-ident>\n default:\n expectCharCode.call(this, 2, HYPHENMINUS);\n checkInteger.call(this, 3, DISALLOW_SIGN);\n this.next();\n\n b = this.substrToCursor(start + 2);\n }\n }\n\n // '+'? n\n // '+'? n <signed-integer>\n // '+'? n ['+' | '-'] <signless-integer>\n // '+'? n- <signless-integer>\n // '+'? <ndashdigit-ident>\n else if (this.tokenType === Ident || (this.isDelim(PLUSSIGN) && this.lookupType(1) === Ident)) {\n let sign = 0;\n a = '1';\n\n // just ignore a plus\n if (this.isDelim(PLUSSIGN)) {\n sign = 1;\n this.next();\n }\n\n expectCharCode.call(this, 0, N);\n\n switch (this.tokenEnd - this.tokenStart) {\n // '+'? n\n // '+'? n <signed-integer>\n // '+'? n ['+' | '-'] <signless-integer>\n case 1:\n this.next();\n b = consumeB.call(this);\n break;\n\n // '+'? n- <signless-integer>\n case 2:\n expectCharCode.call(this, 1, HYPHENMINUS);\n\n this.next();\n this.skipSC();\n\n checkTokenIsInteger.call(this, DISALLOW_SIGN);\n\n b = '-' + this.consume(Number);\n break;\n\n // '+'? <ndashdigit-ident>\n default:\n expectCharCode.call(this, 1, HYPHENMINUS);\n checkInteger.call(this, 2, DISALLOW_SIGN);\n this.next();\n\n b = this.substrToCursor(start + sign + 1);\n }\n }\n\n // <ndashdigit-dimension>\n // <ndash-dimension> <signless-integer>\n // <n-dimension>\n // <n-dimension> <signed-integer>\n // <n-dimension> ['+' | '-'] <signless-integer>\n else if (this.tokenType === Dimension) {\n const code = this.charCodeAt(this.tokenStart);\n const sign = code === PLUSSIGN || code === HYPHENMINUS;\n let i = this.tokenStart + sign;\n\n for (; i < this.tokenEnd; i++) {\n if (!isDigit(this.charCodeAt(i))) {\n break;\n }\n }\n\n if (i === this.tokenStart + sign) {\n this.error('Integer is expected', this.tokenStart + sign);\n }\n\n expectCharCode.call(this, i - this.tokenStart, N);\n a = this.substring(start, i);\n\n // <n-dimension>\n // <n-dimension> <signed-integer>\n // <n-dimension> ['+' | '-'] <signless-integer>\n if (i + 1 === this.tokenEnd) {\n this.next();\n b = consumeB.call(this);\n } else {\n expectCharCode.call(this, i - this.tokenStart + 1, HYPHENMINUS);\n\n // <ndash-dimension> <signless-integer>\n if (i + 2 === this.tokenEnd) {\n this.next();\n this.skipSC();\n checkTokenIsInteger.call(this, DISALLOW_SIGN);\n b = '-' + this.consume(Number);\n }\n // <ndashdigit-dimension>\n else {\n checkInteger.call(this, i - this.tokenStart + 2, DISALLOW_SIGN);\n this.next();\n b = this.substrToCursor(i + 1);\n }\n }\n } else {\n this.error();\n }\n\n if (a !== null && a.charCodeAt(0) === PLUSSIGN) {\n a = a.substr(1);\n }\n\n if (b !== null && b.charCodeAt(0) === PLUSSIGN) {\n b = b.substr(1);\n }\n\n return {\n type: 'AnPlusB',\n loc: this.getLocation(start, this.tokenStart),\n a,\n b\n };\n}\n\nexport function generate(node) {\n if (node.a) {\n const a =\n node.a === '+1' && 'n' ||\n node.a === '1' && 'n' ||\n node.a === '-1' && '-n' ||\n node.a + 'n';\n\n if (node.b) {\n const b = node.b[0] === '-' || node.b[0] === '+'\n ? node.b\n : '+' + node.b;\n this.tokenize(a + b);\n } else {\n this.tokenize(a);\n }\n } else {\n this.tokenize(node.b);\n }\n}\n","import {\n AtKeyword,\n Semicolon,\n LeftCurlyBracket,\n RightCurlyBracket\n} from '../../tokenizer/index.js';\n\nfunction consumeRaw(startToken) {\n return this.Raw(startToken, this.consumeUntilLeftCurlyBracketOrSemicolon, true);\n}\n\nfunction isDeclarationBlockAtrule() {\n for (let offset = 1, type; type = this.lookupType(offset); offset++) {\n if (type === RightCurlyBracket) {\n return true;\n }\n\n if (type === LeftCurlyBracket ||\n type === AtKeyword) {\n return false;\n }\n }\n\n return false;\n}\n\n\nexport const name = 'Atrule';\nexport const walkContext = 'atrule';\nexport const structure = {\n name: String,\n prelude: ['AtrulePrelude', 'Raw', null],\n block: ['Block', null]\n};\n\nexport function parse() {\n const start = this.tokenStart;\n let name;\n let nameLowerCase;\n let prelude = null;\n let block = null;\n\n this.eat(AtKeyword);\n\n name = this.substrToCursor(start + 1);\n nameLowerCase = name.toLowerCase();\n this.skipSC();\n\n // parse prelude\n if (this.eof === false &&\n this.tokenType !== LeftCurlyBracket &&\n this.tokenType !== Semicolon) {\n if (this.parseAtrulePrelude) {\n prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name), consumeRaw);\n } else {\n prelude = consumeRaw.call(this, this.tokenIndex);\n }\n\n this.skipSC();\n }\n\n switch (this.tokenType) {\n case Semicolon:\n this.next();\n break;\n\n case LeftCurlyBracket:\n if (hasOwnProperty.call(this.atrule, nameLowerCase) &&\n typeof this.atrule[nameLowerCase].block === 'function') {\n block = this.atrule[nameLowerCase].block.call(this);\n } else {\n // TODO: should consume block content as Raw?\n block = this.Block(isDeclarationBlockAtrule.call(this));\n }\n\n break;\n }\n\n return {\n type: 'Atrule',\n loc: this.getLocation(start, this.tokenStart),\n name,\n prelude,\n block\n };\n}\n\nexport function generate(node) {\n this.token(AtKeyword, '@' + node.name);\n\n if (node.prelude !== null) {\n this.node(node.prelude);\n }\n\n if (node.block) {\n this.node(node.block);\n } else {\n this.token(Semicolon, ';');\n }\n}\n","import {\n Semicolon,\n LeftCurlyBracket\n} from '../../tokenizer/index.js';\n\nexport const name = 'AtrulePrelude';\nexport const walkContext = 'atrulePrelude';\nexport const structure = {\n children: [[]]\n};\n\nexport function parse(name) {\n let children = null;\n\n if (name !== null) {\n name = name.toLowerCase();\n }\n\n this.skipSC();\n\n if (hasOwnProperty.call(this.atrule, name) &&\n typeof this.atrule[name].prelude === 'function') {\n // custom consumer\n children = this.atrule[name].prelude.call(this);\n } else {\n // default consumer\n children = this.readSequence(this.scope.AtrulePrelude);\n }\n\n this.skipSC();\n\n if (this.eof !== true &&\n this.tokenType !== LeftCurlyBracket &&\n this.tokenType !== Semicolon) {\n this.error('Semicolon or block is expected');\n }\n\n return {\n type: 'AtrulePrelude',\n loc: this.getLocationFromList(children),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node);\n}\n","import {\n Ident,\n String as StringToken,\n Delim,\n LeftSquareBracket,\n RightSquareBracket\n} from '../../tokenizer/index.js';\n\nconst DOLLARSIGN = 0x0024; // U+0024 DOLLAR SIGN ($)\nconst ASTERISK = 0x002A; // U+002A ASTERISK (*)\nconst EQUALSSIGN = 0x003D; // U+003D EQUALS SIGN (=)\nconst CIRCUMFLEXACCENT = 0x005E; // U+005E (^)\nconst VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)\nconst TILDE = 0x007E; // U+007E TILDE (~)\n\nfunction getAttributeName() {\n if (this.eof) {\n this.error('Unexpected end of input');\n }\n\n const start = this.tokenStart;\n let expectIdent = false;\n\n if (this.isDelim(ASTERISK)) {\n expectIdent = true;\n this.next();\n } else if (!this.isDelim(VERTICALLINE)) {\n this.eat(Ident);\n }\n\n if (this.isDelim(VERTICALLINE)) {\n if (this.charCodeAt(this.tokenStart + 1) !== EQUALSSIGN) {\n this.next();\n this.eat(Ident);\n } else if (expectIdent) {\n this.error('Identifier is expected', this.tokenEnd);\n }\n } else if (expectIdent) {\n this.error('Vertical line is expected');\n }\n\n return {\n type: 'Identifier',\n loc: this.getLocation(start, this.tokenStart),\n name: this.substrToCursor(start)\n };\n}\n\nfunction getOperator() {\n const start = this.tokenStart;\n const code = this.charCodeAt(start);\n\n if (code !== EQUALSSIGN && // =\n code !== TILDE && // ~=\n code !== CIRCUMFLEXACCENT && // ^=\n code !== DOLLARSIGN && // $=\n code !== ASTERISK && // *=\n code !== VERTICALLINE // |=\n ) {\n this.error('Attribute selector (=, ~=, ^=, $=, *=, |=) is expected');\n }\n\n this.next();\n\n if (code !== EQUALSSIGN) {\n if (!this.isDelim(EQUALSSIGN)) {\n this.error('Equal sign is expected');\n }\n\n this.next();\n }\n\n return this.substrToCursor(start);\n}\n\n// '[' <wq-name> ']'\n// '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'\nexport const name = 'AttributeSelector';\nexport const structure = {\n name: 'Identifier',\n matcher: [String, null],\n value: ['String', 'Identifier', null],\n flags: [String, null]\n};\n\nexport function parse() {\n const start = this.tokenStart;\n let name;\n let matcher = null;\n let value = null;\n let flags = null;\n\n this.eat(LeftSquareBracket);\n this.skipSC();\n\n name = getAttributeName.call(this);\n this.skipSC();\n\n if (this.tokenType !== RightSquareBracket) {\n // avoid case `[name i]`\n if (this.tokenType !== Ident) {\n matcher = getOperator.call(this);\n\n this.skipSC();\n\n value = this.tokenType === StringToken\n ? this.String()\n : this.Identifier();\n\n this.skipSC();\n }\n\n // attribute flags\n if (this.tokenType === Ident) {\n flags = this.consume(Ident);\n\n this.skipSC();\n }\n }\n\n this.eat(RightSquareBracket);\n\n return {\n type: 'AttributeSelector',\n loc: this.getLocation(start, this.tokenStart),\n name,\n matcher,\n value,\n flags\n };\n}\n\nexport function generate(node) {\n this.token(Delim, '[');\n this.node(node.name);\n\n if (node.matcher !== null) {\n this.tokenize(node.matcher);\n this.node(node.value);\n }\n\n if (node.flags !== null) {\n this.token(Ident, node.flags);\n }\n\n this.token(Delim, ']');\n}\n","import {\n WhiteSpace,\n Comment,\n Semicolon,\n AtKeyword,\n LeftCurlyBracket,\n RightCurlyBracket\n} from '../../tokenizer/index.js';\n\nfunction consumeRaw(startToken) {\n return this.Raw(startToken, null, true);\n}\nfunction consumeRule() {\n return this.parseWithFallback(this.Rule, consumeRaw);\n}\nfunction consumeRawDeclaration(startToken) {\n return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);\n}\nfunction consumeDeclaration() {\n if (this.tokenType === Semicolon) {\n return consumeRawDeclaration.call(this, this.tokenIndex);\n }\n\n const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);\n\n if (this.tokenType === Semicolon) {\n this.next();\n }\n\n return node;\n}\n\nexport const name = 'Block';\nexport const walkContext = 'block';\nexport const structure = {\n children: [[\n 'Atrule',\n 'Rule',\n 'Declaration'\n ]]\n};\n\nexport function parse(isDeclaration) {\n const consumer = isDeclaration ? consumeDeclaration : consumeRule;\n const start = this.tokenStart;\n let children = this.createList();\n\n this.eat(LeftCurlyBracket);\n\n scan:\n while (!this.eof) {\n switch (this.tokenType) {\n case RightCurlyBracket:\n break scan;\n\n case WhiteSpace:\n case Comment:\n this.next();\n break;\n\n case AtKeyword:\n children.push(this.parseWithFallback(this.Atrule, consumeRaw));\n break;\n\n default:\n children.push(consumer.call(this));\n }\n }\n\n if (!this.eof) {\n this.eat(RightCurlyBracket);\n }\n\n return {\n type: 'Block',\n loc: this.getLocation(start, this.tokenStart),\n children\n };\n}\n\nexport function generate(node) {\n this.token(LeftCurlyBracket, '{');\n this.children(node, prev => {\n if (prev.type === 'Declaration') {\n this.token(Semicolon, ';');\n }\n });\n this.token(RightCurlyBracket, '}');\n}\n","import {\n Delim,\n LeftSquareBracket,\n RightSquareBracket\n} from '../../tokenizer/index.js';\n\nexport const name = 'Brackets';\nexport const structure = {\n children: [[]]\n};\n\nexport function parse(readSequence, recognizer) {\n const start = this.tokenStart;\n let children = null;\n\n this.eat(LeftSquareBracket);\n\n children = readSequence.call(this, recognizer);\n\n if (!this.eof) {\n this.eat(RightSquareBracket);\n }\n\n return {\n type: 'Brackets',\n loc: this.getLocation(start, this.tokenStart),\n children\n };\n}\n\nexport function generate(node) {\n this.token(Delim, '[');\n this.children(node);\n this.token(Delim, ']');\n}\n","import { CDC } from '../../tokenizer/index.js';\n\nexport const name = 'CDC';\nexport const structure = [];\n\nexport function parse() {\n const start = this.tokenStart;\n\n this.eat(CDC); // -->\n\n return {\n type: 'CDC',\n loc: this.getLocation(start, this.tokenStart)\n };\n}\n\nexport function generate() {\n this.token(CDC, '-->');\n}\n","import { CDO } from '../../tokenizer/index.js';\n\nexport const name = 'CDO';\nexport const structure = [];\n\nexport function parse() {\n const start = this.tokenStart;\n\n this.eat(CDO); // <!--\n\n return {\n type: 'CDO',\n loc: this.getLocation(start, this.tokenStart)\n };\n}\n\nexport function generate() {\n this.token(CDO, '<!--');\n}\n","import { Delim, Ident } from '../../tokenizer/index.js';\n\nconst FULLSTOP = 0x002E; // U+002E FULL STOP (.)\n\n// '.' ident\nexport const name = 'ClassSelector';\nexport const structure = {\n name: String\n};\n\nexport function parse() {\n this.eatDelim(FULLSTOP);\n\n return {\n type: 'ClassSelector',\n loc: this.getLocation(this.tokenStart - 1, this.tokenEnd),\n name: this.consume(Ident)\n };\n}\n\nexport function generate(node) {\n this.token(Delim, '.');\n this.token(Ident, node.name);\n}\n","import { WhiteSpace, Delim } from '../../tokenizer/index.js';\n\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst SOLIDUS = 0x002F; // U+002F SOLIDUS (/)\nconst GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)\nconst TILDE = 0x007E; // U+007E TILDE (~)\n\nexport const name = 'Combinator';\nexport const structure = {\n name: String\n};\n\n// + | > | ~ | /deep/\nexport function parse() {\n const start = this.tokenStart;\n let name;\n\n switch (this.tokenType) {\n case WhiteSpace:\n name = ' ';\n break;\n\n case Delim:\n switch (this.charCodeAt(this.tokenStart)) {\n case GREATERTHANSIGN:\n case PLUSSIGN:\n case TILDE:\n this.next();\n break;\n\n case SOLIDUS:\n this.next();\n this.eatIdent('deep');\n this.eatDelim(SOLIDUS);\n break;\n\n default:\n this.error('Combinator is expected');\n }\n\n name = this.substrToCursor(start);\n break;\n }\n\n return {\n type: 'Combinator',\n loc: this.getLocation(start, this.tokenStart),\n name\n };\n}\n\nexport function generate(node) {\n this.tokenize(node.name);\n}\n","import { Comment } from '../../tokenizer/index.js';\n\nconst ASTERISK = 0x002A; // U+002A ASTERISK (*)\nconst SOLIDUS = 0x002F; // U+002F SOLIDUS (/)\n\n\nexport const name = 'Comment';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n const start = this.tokenStart;\n let end = this.tokenEnd;\n\n this.eat(Comment);\n\n if ((end - start + 2) >= 2 &&\n this.charCodeAt(end - 2) === ASTERISK &&\n this.charCodeAt(end - 1) === SOLIDUS) {\n end -= 2;\n }\n\n return {\n type: 'Comment',\n loc: this.getLocation(start, this.tokenStart),\n value: this.substring(start + 2, end)\n };\n}\n\nexport function generate(node) {\n this.token(Comment, '/*' + node.value + '*/');\n}\n","import { isCustomProperty } from '../../utils/names.js';\nimport {\n Ident,\n Hash,\n Colon,\n Semicolon,\n Delim,\n WhiteSpace\n} from '../../tokenizer/index.js';\n\nconst EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\nconst NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)\nconst DOLLARSIGN = 0x0024; // U+0024 DOLLAR SIGN ($)\nconst AMPERSAND = 0x0026; // U+0026 AMPERSAND (&)\nconst ASTERISK = 0x002A; // U+002A ASTERISK (*)\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst SOLIDUS = 0x002F; // U+002F SOLIDUS (/)\n\nfunction consumeValueRaw(startToken) {\n return this.Raw(startToken, this.consumeUntilExclamationMarkOrSemicolon, true);\n}\n\nfunction consumeCustomPropertyRaw(startToken) {\n return this.Raw(startToken, this.consumeUntilExclamationMarkOrSemicolon, false);\n}\n\nfunction consumeValue() {\n const startValueToken = this.tokenIndex;\n const value = this.Value();\n\n if (value.type !== 'Raw' &&\n this.eof === false &&\n this.tokenType !== Semicolon &&\n this.isDelim(EXCLAMATIONMARK) === false &&\n this.isBalanceEdge(startValueToken) === false) {\n this.error();\n }\n\n return value;\n}\n\nexport const name = 'Declaration';\nexport const walkContext = 'declaration';\nexport const structure = {\n important: [Boolean, String],\n property: String,\n value: ['Value', 'Raw']\n};\n\nexport function parse() {\n const start = this.tokenStart;\n const startToken = this.tokenIndex;\n const property = readProperty.call(this);\n const customProperty = isCustomProperty(property);\n const parseValue = customProperty ? this.parseCustomProperty : this.parseValue;\n const consumeRaw = customProperty ? consumeCustomPropertyRaw : consumeValueRaw;\n let important = false;\n let value;\n\n this.skipSC();\n this.eat(Colon);\n\n const valueStart = this.tokenIndex;\n\n if (!customProperty) {\n this.skipSC();\n }\n\n if (parseValue) {\n value = this.parseWithFallback(consumeValue, consumeRaw);\n } else {\n value = consumeRaw.call(this, this.tokenIndex);\n }\n\n if (customProperty && value.type === 'Value' && value.children.isEmpty) {\n for (let offset = valueStart - this.tokenIndex; offset <= 0; offset++) {\n if (this.lookupType(offset) === WhiteSpace) {\n value.children.appendData({\n type: 'WhiteSpace',\n loc: null,\n value: ' '\n });\n break;\n }\n }\n }\n\n if (this.isDelim(EXCLAMATIONMARK)) {\n important = getImportant.call(this);\n this.skipSC();\n }\n\n // Do not include semicolon to range per spec\n // https://drafts.csswg.org/css-syntax/#declaration-diagram\n\n if (this.eof === false &&\n this.tokenType !== Semicolon &&\n this.isBalanceEdge(startToken) === false) {\n this.error();\n }\n\n return {\n type: 'Declaration',\n loc: this.getLocation(start, this.tokenStart),\n important,\n property,\n value\n };\n}\n\nexport function generate(node) {\n this.token(Ident, node.property);\n this.token(Colon, ':');\n this.node(node.value);\n\n if (node.important) {\n this.token(Delim, '!');\n this.token(Ident, node.important === true ? 'important' : node.important);\n }\n}\n\nfunction readProperty() {\n const start = this.tokenStart;\n\n // hacks\n if (this.tokenType === Delim) {\n switch (this.charCodeAt(this.tokenStart)) {\n case ASTERISK:\n case DOLLARSIGN:\n case PLUSSIGN:\n case NUMBERSIGN:\n case AMPERSAND:\n this.next();\n break;\n\n // TODO: not sure we should support this hack\n case SOLIDUS:\n this.next();\n if (this.isDelim(SOLIDUS)) {\n this.next();\n }\n break;\n }\n }\n\n if (this.tokenType === Hash) {\n this.eat(Hash);\n } else {\n this.eat(Ident);\n }\n\n return this.substrToCursor(start);\n}\n\n// ! ws* important\nfunction getImportant() {\n this.eat(Delim);\n this.skipSC();\n\n const important = this.consume(Ident);\n\n // store original value in case it differ from `important`\n // for better original source restoring and hacks like `!ie` support\n return important === 'important' ? true : important;\n}\n","import {\n WhiteSpace,\n Comment,\n Semicolon\n} from '../../tokenizer/index.js';\n\nfunction consumeRaw(startToken) {\n return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);\n}\n\nexport const name = 'DeclarationList';\nexport const structure = {\n children: [[\n 'Declaration'\n ]]\n};\n\nexport function parse() {\n const children = this.createList();\n\n scan:\n while (!this.eof) {\n switch (this.tokenType) {\n case WhiteSpace:\n case Comment:\n case Semicolon:\n this.next();\n break;\n\n default:\n children.push(this.parseWithFallback(this.Declaration, consumeRaw));\n }\n }\n\n return {\n type: 'DeclarationList',\n loc: this.getLocationFromList(children),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node, prev => {\n if (prev.type === 'Declaration') {\n this.token(Semicolon, ';');\n }\n });\n}\n\n","import { Dimension } from '../../tokenizer/index.js';\n\nexport const name = 'Dimension';\nexport const structure = {\n value: String,\n unit: String\n};\n\nexport function parse() {\n const start = this.tokenStart;\n const value = this.consumeNumber(Dimension);\n\n return {\n type: 'Dimension',\n loc: this.getLocation(start, this.tokenStart),\n value,\n unit: this.substring(start + value.length, this.tokenStart)\n };\n}\n\nexport function generate(node) {\n this.token(Dimension, node.value + node.unit);\n}\n","import {\n Function as FunctionToken,\n RightParenthesis\n} from '../../tokenizer/index.js';\n\n\nexport const name = 'Function';\nexport const walkContext = 'function';\nexport const structure = {\n name: String,\n children: [[]]\n};\n\n// <function-token> <sequence> )\nexport function parse(readSequence, recognizer) {\n const start = this.tokenStart;\n const name = this.consumeFunctionName();\n const nameLowerCase = name.toLowerCase();\n let children;\n\n children = recognizer.hasOwnProperty(nameLowerCase)\n ? recognizer[nameLowerCase].call(this, recognizer)\n : readSequence.call(this, recognizer);\n\n if (!this.eof) {\n this.eat(RightParenthesis);\n }\n\n return {\n type: 'Function',\n loc: this.getLocation(start, this.tokenStart),\n name,\n children\n };\n}\n\nexport function generate(node) {\n this.token(FunctionToken, node.name + '(');\n this.children(node);\n this.token(RightParenthesis, ')');\n}\n","import { Hash } from '../../tokenizer/index.js';\n\n// '#' ident\nexport const xxx = 'XXX';\nexport const name = 'Hash';\nexport const structure = {\n value: String\n};\nexport function parse() {\n const start = this.tokenStart;\n\n this.eat(Hash);\n\n return {\n type: 'Hash',\n loc: this.getLocation(start, this.tokenStart),\n value: this.substrToCursor(start + 1)\n };\n}\nexport function generate(node) {\n this.token(Hash, '#' + node.value);\n}\n\n","import { Ident } from '../../tokenizer/index.js';\n\nexport const name = 'Identifier';\nexport const structure = {\n name: String\n};\n\nexport function parse() {\n return {\n type: 'Identifier',\n loc: this.getLocation(this.tokenStart, this.tokenEnd),\n name: this.consume(Ident)\n };\n}\n\nexport function generate(node) {\n this.token(Ident, node.name);\n}\n","import { Hash, Delim } from '../../tokenizer/index.js';\n\nexport const name = 'IdSelector';\nexport const structure = {\n name: String\n};\n\nexport function parse() {\n const start = this.tokenStart;\n\n // TODO: check value is an ident\n this.eat(Hash);\n\n return {\n type: 'IdSelector',\n loc: this.getLocation(start, this.tokenStart),\n name: this.substrToCursor(start + 1)\n };\n}\n\nexport function generate(node) {\n // Using Delim instead of Hash is a hack to avoid for a whitespace between ident and id-selector\n // in safe mode (e.g. \"a#id\"), because IE11 doesn't allow a sequence <ident-token> <hash-token>\n // without a whitespace in values (e.g. \"1px solid#000\")\n this.token(Delim, '#' + node.name);\n}\n","import {\n Ident,\n Number,\n Dimension,\n LeftParenthesis,\n RightParenthesis,\n Colon,\n Delim\n} from '../../tokenizer/index.js';\n\nexport const name = 'MediaFeature';\nexport const structure = {\n name: String,\n value: ['Identifier', 'Number', 'Dimension', 'Ratio', null]\n};\n\nexport function parse() {\n const start = this.tokenStart;\n let name;\n let value = null;\n\n this.eat(LeftParenthesis);\n this.skipSC();\n\n name = this.consume(Ident);\n this.skipSC();\n\n if (this.tokenType !== RightParenthesis) {\n this.eat(Colon);\n this.skipSC();\n\n switch (this.tokenType) {\n case Number:\n if (this.lookupNonWSType(1) === Delim) {\n value = this.Ratio();\n } else {\n value = this.Number();\n }\n\n break;\n\n case Dimension:\n value = this.Dimension();\n break;\n\n case Ident:\n value = this.Identifier();\n break;\n\n default:\n this.error('Number, dimension, ratio or identifier is expected');\n }\n\n this.skipSC();\n }\n\n this.eat(RightParenthesis);\n\n return {\n type: 'MediaFeature',\n loc: this.getLocation(start, this.tokenStart),\n name,\n value\n };\n}\n\nexport function generate(node) {\n this.token(LeftParenthesis, '(');\n this.token(Ident, node.name);\n\n if (node.value !== null) {\n this.token(Colon, ':');\n this.node(node.value);\n }\n\n this.token(RightParenthesis, ')');\n}\n","import {\n WhiteSpace,\n Comment,\n Ident,\n LeftParenthesis\n} from '../../tokenizer/index.js';\n\nexport const name = 'MediaQuery';\nexport const structure = {\n children: [[\n 'Identifier',\n 'MediaFeature',\n 'WhiteSpace'\n ]]\n};\n\nexport function parse() {\n const children = this.createList();\n let child = null;\n\n this.skipSC();\n\n scan:\n while (!this.eof) {\n switch (this.tokenType) {\n case Comment:\n case WhiteSpace:\n this.next();\n continue;\n\n case Ident:\n child = this.Identifier();\n break;\n\n case LeftParenthesis:\n child = this.MediaFeature();\n break;\n\n default:\n break scan;\n }\n\n children.push(child);\n }\n\n if (child === null) {\n this.error('Identifier or parenthesis is expected');\n }\n\n return {\n type: 'MediaQuery',\n loc: this.getLocationFromList(children),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node);\n}\n\n","import { Comma } from '../../tokenizer/index.js';\n\nexport const name = 'MediaQueryList';\nexport const structure = {\n children: [[\n 'MediaQuery'\n ]]\n};\n\nexport function parse() {\n const children = this.createList();\n\n this.skipSC();\n\n while (!this.eof) {\n children.push(this.MediaQuery());\n\n if (this.tokenType !== Comma) {\n break;\n }\n\n this.next();\n }\n\n return {\n type: 'MediaQueryList',\n loc: this.getLocationFromList(children),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node, () => this.token(Comma, ','));\n}\n","import { Ident } from '../../tokenizer/index.js';\n\nexport const name = 'Nth';\nexport const structure = {\n nth: ['AnPlusB', 'Identifier'],\n selector: ['SelectorList', null]\n};\n\nexport function parse() {\n this.skipSC();\n\n const start = this.tokenStart;\n let end = start;\n let selector = null;\n let nth;\n\n if (this.lookupValue(0, 'odd') || this.lookupValue(0, 'even')) {\n nth = this.Identifier();\n } else {\n nth = this.AnPlusB();\n }\n\n end = this.tokenStart;\n this.skipSC();\n\n if (this.lookupValue(0, 'of')) {\n this.next();\n\n selector = this.SelectorList();\n end = this.tokenStart;\n }\n\n return {\n type: 'Nth',\n loc: this.getLocation(start, end),\n nth,\n selector\n };\n}\n\nexport function generate(node) {\n this.node(node.nth);\n if (node.selector !== null) {\n this.token(Ident, 'of');\n this.node(node.selector);\n }\n}\n","import { Number as NumberToken } from '../../tokenizer/index.js';\n\nexport const name = 'Number';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n return {\n type: 'Number',\n loc: this.getLocation(this.tokenStart, this.tokenEnd),\n value: this.consume(NumberToken)\n };\n}\n\nexport function generate(node) {\n this.token(NumberToken, node.value);\n}\n","// '/' | '*' | ',' | ':' | '+' | '-'\nexport const name = 'Operator';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n const start = this.tokenStart;\n\n this.next();\n\n return {\n type: 'Operator',\n loc: this.getLocation(start, this.tokenStart),\n value: this.substrToCursor(start)\n };\n}\n\nexport function generate(node) {\n this.tokenize(node.value);\n}\n","import {\n LeftParenthesis,\n RightParenthesis\n} from '../../tokenizer/index.js';\n\nexport const name = 'Parentheses';\nexport const structure = {\n children: [[]]\n};\n\nexport function parse(readSequence, recognizer) {\n const start = this.tokenStart;\n let children = null;\n\n this.eat(LeftParenthesis);\n\n children = readSequence.call(this, recognizer);\n\n if (!this.eof) {\n this.eat(RightParenthesis);\n }\n\n return {\n type: 'Parentheses',\n loc: this.getLocation(start, this.tokenStart),\n children\n };\n}\n\nexport function generate(node) {\n this.token(LeftParenthesis, '(');\n this.children(node);\n this.token(RightParenthesis, ')');\n}\n","import { Percentage } from '../../tokenizer/index.js';\n\nexport const name = 'Percentage';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n return {\n type: 'Percentage',\n loc: this.getLocation(this.tokenStart, this.tokenEnd),\n value: this.consumeNumber(Percentage)\n };\n}\n\nexport function generate(node) {\n this.token(Percentage, node.value + '%');\n}\n","import {\n Ident,\n Function as FunctionToken,\n Colon,\n RightParenthesis\n} from '../../tokenizer/index.js';\n\n\nexport const name = 'PseudoClassSelector';\nexport const walkContext = 'function';\nexport const structure = {\n name: String,\n children: [['Raw'], null]\n};\n\n// : [ <ident> | <function-token> <any-value>? ) ]\nexport function parse() {\n const start = this.tokenStart;\n let children = null;\n let name;\n let nameLowerCase;\n\n this.eat(Colon);\n\n if (this.tokenType === FunctionToken) {\n name = this.consumeFunctionName();\n nameLowerCase = name.toLowerCase();\n\n if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {\n this.skipSC();\n children = this.pseudo[nameLowerCase].call(this);\n this.skipSC();\n } else {\n children = this.createList();\n children.push(\n this.Raw(this.tokenIndex, null, false)\n );\n }\n\n this.eat(RightParenthesis);\n } else {\n name = this.consume(Ident);\n }\n\n return {\n type: 'PseudoClassSelector',\n loc: this.getLocation(start, this.tokenStart),\n name,\n children\n };\n}\n\nexport function generate(node) {\n this.token(Colon, ':');\n\n if (node.children === null) {\n this.token(Ident, node.name);\n } else {\n this.token(FunctionToken, node.name + '(');\n this.children(node);\n this.token(RightParenthesis, ')');\n }\n}\n","import {\n Ident,\n Function as FunctionToken,\n Colon,\n RightParenthesis\n} from '../../tokenizer/index.js';\n\nexport const name = 'PseudoElementSelector';\nexport const walkContext = 'function';\nexport const structure = {\n name: String,\n children: [['Raw'], null]\n};\n\n// :: [ <ident> | <function-token> <any-value>? ) ]\nexport function parse() {\n const start = this.tokenStart;\n let children = null;\n let name;\n let nameLowerCase;\n\n this.eat(Colon);\n this.eat(Colon);\n\n if (this.tokenType === FunctionToken) {\n name = this.consumeFunctionName();\n nameLowerCase = name.toLowerCase();\n\n if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {\n this.skipSC();\n children = this.pseudo[nameLowerCase].call(this);\n this.skipSC();\n } else {\n children = this.createList();\n children.push(\n this.Raw(this.tokenIndex, null, false)\n );\n }\n\n this.eat(RightParenthesis);\n } else {\n name = this.consume(Ident);\n }\n\n return {\n type: 'PseudoElementSelector',\n loc: this.getLocation(start, this.tokenStart),\n name,\n children\n };\n}\n\nexport function generate(node) {\n this.token(Colon, ':');\n this.token(Colon, ':');\n\n if (node.children === null) {\n this.token(Ident, node.name);\n } else {\n this.token(FunctionToken, node.name + '(');\n this.children(node);\n this.token(RightParenthesis, ')');\n }\n}\n","import { isDigit, Delim, Number as NumberToken } from '../../tokenizer/index.js';\n\nconst SOLIDUS = 0x002F; // U+002F SOLIDUS (/)\nconst FULLSTOP = 0x002E; // U+002E FULL STOP (.)\n\n// Terms of <ratio> should be a positive numbers (not zero or negative)\n// (see https://drafts.csswg.org/mediaqueries-3/#values)\n// However, -o-min-device-pixel-ratio takes fractional values as a ratio's term\n// and this is using by various sites. Therefore we relax checking on parse\n// to test a term is unsigned number without an exponent part.\n// Additional checking may be applied on lexer validation.\nfunction consumeNumber() {\n this.skipSC();\n\n const value = this.consume(NumberToken);\n\n for (let i = 0; i < value.length; i++) {\n const code = value.charCodeAt(i);\n if (!isDigit(code) && code !== FULLSTOP) {\n this.error('Unsigned number is expected', this.tokenStart - value.length + i);\n }\n }\n\n if (Number(value) === 0) {\n this.error('Zero number is not allowed', this.tokenStart - value.length);\n }\n\n return value;\n}\n\nexport const name = 'Ratio';\nexport const structure = {\n left: String,\n right: String\n};\n\n// <positive-integer> S* '/' S* <positive-integer>\nexport function parse() {\n const start = this.tokenStart;\n const left = consumeNumber.call(this);\n let right;\n\n this.skipSC();\n this.eatDelim(SOLIDUS);\n right = consumeNumber.call(this);\n\n return {\n type: 'Ratio',\n loc: this.getLocation(start, this.tokenStart),\n left,\n right\n };\n}\n\nexport function generate(node) {\n this.token(NumberToken, node.left);\n this.token(Delim, '/');\n this.token(NumberToken, node.right);\n}\n","import { WhiteSpace } from '../../tokenizer/index.js';\n\nfunction getOffsetExcludeWS() {\n if (this.tokenIndex > 0) {\n if (this.lookupType(-1) === WhiteSpace) {\n return this.tokenIndex > 1\n ? this.getTokenStart(this.tokenIndex - 1)\n : this.firstCharOffset;\n }\n }\n\n return this.tokenStart;\n}\n\nexport const name = 'Raw';\nexport const structure = {\n value: String\n};\n\nexport function parse(startToken, consumeUntil, excludeWhiteSpace) {\n const startOffset = this.getTokenStart(startToken);\n let endOffset;\n\n this.skipUntilBalanced(startToken, consumeUntil || this.consumeUntilBalanceEnd);\n\n if (excludeWhiteSpace && this.tokenStart > startOffset) {\n endOffset = getOffsetExcludeWS.call(this);\n } else {\n endOffset = this.tokenStart;\n }\n\n return {\n type: 'Raw',\n loc: this.getLocation(startOffset, endOffset),\n value: this.substring(startOffset, endOffset)\n };\n}\n\nexport function generate(node) {\n this.tokenize(node.value);\n}\n","import { LeftCurlyBracket } from '../../tokenizer/index.js';\n\nfunction consumeRaw(startToken) {\n return this.Raw(startToken, this.consumeUntilLeftCurlyBracket, true);\n}\n\nfunction consumePrelude() {\n const prelude = this.SelectorList();\n\n if (prelude.type !== 'Raw' &&\n this.eof === false &&\n this.tokenType !== LeftCurlyBracket) {\n this.error();\n }\n\n return prelude;\n}\n\nexport const name = 'Rule';\nexport const walkContext = 'rule';\nexport const structure = {\n prelude: ['SelectorList', 'Raw'],\n block: ['Block']\n};\n\nexport function parse() {\n const startToken = this.tokenIndex;\n const startOffset = this.tokenStart;\n let prelude;\n let block;\n\n if (this.parseRulePrelude) {\n prelude = this.parseWithFallback(consumePrelude, consumeRaw);\n } else {\n prelude = consumeRaw.call(this, startToken);\n }\n\n block = this.Block(true);\n\n return {\n type: 'Rule',\n loc: this.getLocation(startOffset, this.tokenStart),\n prelude,\n block\n };\n}\nexport function generate(node) {\n this.node(node.prelude);\n this.node(node.block);\n}\n\n","export const name = 'Selector';\nexport const structure = {\n children: [[\n 'TypeSelector',\n 'IdSelector',\n 'ClassSelector',\n 'AttributeSelector',\n 'PseudoClassSelector',\n 'PseudoElementSelector',\n 'Combinator',\n 'WhiteSpace'\n ]]\n};\n\nexport function parse() {\n const children = this.readSequence(this.scope.Selector);\n\n // nothing were consumed\n if (this.getFirstListNode(children) === null) {\n this.error('Selector is expected');\n }\n\n return {\n type: 'Selector',\n loc: this.getLocationFromList(children),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node);\n}\n","import { Comma } from '../../tokenizer/index.js';\n\nexport const name = 'SelectorList';\nexport const walkContext = 'selector';\nexport const structure = {\n children: [[\n 'Selector',\n 'Raw'\n ]]\n};\n\nexport function parse() {\n const children = this.createList();\n\n while (!this.eof) {\n children.push(this.Selector());\n\n if (this.tokenType === Comma) {\n this.next();\n continue;\n }\n\n break;\n }\n\n return {\n type: 'SelectorList',\n loc: this.getLocationFromList(children),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node, () => this.token(Comma, ','));\n}\n","import {\n isHexDigit,\n isWhiteSpace,\n isValidEscape,\n consumeEscaped,\n decodeEscaped\n} from '../tokenizer/index.js';\n\nconst REVERSE_SOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\\)\nconst QUOTATION_MARK = 0x0022; // \"\nconst APOSTROPHE = 0x0027; // '\n\nexport function decode(str) {\n const len = str.length;\n const firstChar = str.charCodeAt(0);\n const start = firstChar === QUOTATION_MARK || firstChar === APOSTROPHE ? 1 : 0;\n const end = start === 1 && len > 1 && str.charCodeAt(len - 1) === firstChar ? len - 2 : len - 1;\n let decoded = '';\n\n for (let i = start; i <= end; i++) {\n let code = str.charCodeAt(i);\n\n if (code === REVERSE_SOLIDUS) {\n // special case at the ending\n if (i === end) {\n // if the next input code point is EOF, do nothing\n // otherwise include last quote as escaped\n if (i !== len - 1) {\n decoded = str.substr(i + 1);\n }\n break;\n }\n\n code = str.charCodeAt(++i);\n\n // consume escaped\n if (isValidEscape(REVERSE_SOLIDUS, code)) {\n const escapeStart = i - 1;\n const escapeEnd = consumeEscaped(str, escapeStart);\n\n i = escapeEnd - 1;\n decoded += decodeEscaped(str.substring(escapeStart + 1, escapeEnd));\n } else {\n // \\r\\n\n if (code === 0x000d && str.charCodeAt(i + 1) === 0x000a) {\n i++;\n }\n }\n } else {\n decoded += str[i];\n }\n }\n\n return decoded;\n}\n\n// https://drafts.csswg.org/cssom/#serialize-a-string\n// § 2.1. Common Serializing Idioms\nexport function encode(str, apostrophe) {\n const quote = apostrophe ? '\\'' : '\"';\n const quoteCode = apostrophe ? APOSTROPHE : QUOTATION_MARK;\n let encoded = '';\n let wsBeforeHexIsNeeded = false;\n\n for (let i = 0; i < str.length; i++) {\n const code = str.charCodeAt(i);\n\n // If the character is NULL (U+0000), then the REPLACEMENT CHARACTER (U+FFFD).\n if (code === 0x0000) {\n encoded += '\\uFFFD';\n continue;\n }\n\n // If the character is in the range [\\1-\\1f] (U+0001 to U+001F) or is U+007F,\n // the character escaped as code point.\n // Note: Do not compare with 0x0001 since 0x0000 is precessed before\n if (code <= 0x001f || code === 0x007F) {\n encoded += '\\\\' + code.toString(16);\n wsBeforeHexIsNeeded = true;\n continue;\n }\n\n // If the character is '\"' (U+0022) or \"\\\" (U+005C), the escaped character.\n if (code === quoteCode || code === REVERSE_SOLIDUS) {\n encoded += '\\\\' + str.charAt(i);\n wsBeforeHexIsNeeded = false;\n } else {\n if (wsBeforeHexIsNeeded && (isHexDigit(code) || isWhiteSpace(code))) {\n encoded += ' ';\n }\n\n // Otherwise, the character itself.\n encoded += str.charAt(i);\n wsBeforeHexIsNeeded = false;\n }\n }\n\n return quote + encoded + quote;\n}\n","import { String as StringToken } from '../../tokenizer/index.js';\nimport { decode, encode } from '../../utils/string.js';\n\nexport const name = 'String';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n return {\n type: 'String',\n loc: this.getLocation(this.tokenStart, this.tokenEnd),\n value: decode(this.consume(StringToken))\n };\n}\n\nexport function generate(node) {\n this.token(StringToken, encode(node.value));\n}\n","import {\n WhiteSpace,\n Comment,\n AtKeyword,\n CDO,\n CDC\n} from '../../tokenizer/index.js';\n\nconst EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)\n\nfunction consumeRaw(startToken) {\n return this.Raw(startToken, null, false);\n}\n\nexport const name = 'StyleSheet';\nexport const walkContext = 'stylesheet';\nexport const structure = {\n children: [[\n 'Comment',\n 'CDO',\n 'CDC',\n 'Atrule',\n 'Rule',\n 'Raw'\n ]]\n};\n\nexport function parse() {\n const start = this.tokenStart;\n const children = this.createList();\n let child;\n\n scan:\n while (!this.eof) {\n switch (this.tokenType) {\n case WhiteSpace:\n this.next();\n continue;\n\n case Comment:\n // ignore comments except exclamation comments (i.e. /*! .. */) on top level\n if (this.charCodeAt(this.tokenStart + 2) !== EXCLAMATIONMARK) {\n this.next();\n continue;\n }\n\n child = this.Comment();\n break;\n\n case CDO: // <!--\n child = this.CDO();\n break;\n\n case CDC: // -->\n child = this.CDC();\n break;\n\n // CSS Syntax Module Level 3\n // §2.2 Error handling\n // At the \"top level\" of a stylesheet, an <at-keyword-token> starts an at-rule.\n case AtKeyword:\n child = this.parseWithFallback(this.Atrule, consumeRaw);\n break;\n\n // Anything else starts a qualified rule ...\n default:\n child = this.parseWithFallback(this.Rule, consumeRaw);\n }\n\n children.push(child);\n }\n\n return {\n type: 'StyleSheet',\n loc: this.getLocation(start, this.tokenStart),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node);\n}\n","import { Ident } from '../../tokenizer/index.js';\n\nconst ASTERISK = 0x002A; // U+002A ASTERISK (*)\nconst VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)\n\nfunction eatIdentifierOrAsterisk() {\n if (this.tokenType !== Ident &&\n this.isDelim(ASTERISK) === false) {\n this.error('Identifier or asterisk is expected');\n }\n\n this.next();\n}\n\nexport const name = 'TypeSelector';\nexport const structure = {\n name: String\n};\n\n// ident\n// ident|ident\n// ident|*\n// *\n// *|ident\n// *|*\n// |ident\n// |*\nexport function parse() {\n const start = this.tokenStart;\n\n if (this.isDelim(VERTICALLINE)) {\n this.next();\n eatIdentifierOrAsterisk.call(this);\n } else {\n eatIdentifierOrAsterisk.call(this);\n\n if (this.isDelim(VERTICALLINE)) {\n this.next();\n eatIdentifierOrAsterisk.call(this);\n }\n }\n\n return {\n type: 'TypeSelector',\n loc: this.getLocation(start, this.tokenStart),\n name: this.substrToCursor(start)\n };\n}\n\nexport function generate(node) {\n this.tokenize(node.name);\n}\n","import {\n isHexDigit,\n Ident,\n Number,\n Dimension\n} from '../../tokenizer/index.js';\n\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\nconst QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)\n\nfunction eatHexSequence(offset, allowDash) {\n let len = 0;\n\n for (let pos = this.tokenStart + offset; pos < this.tokenEnd; pos++) {\n const code = this.charCodeAt(pos);\n\n if (code === HYPHENMINUS && allowDash && len !== 0) {\n eatHexSequence.call(this, offset + len + 1, false);\n return -1;\n }\n\n if (!isHexDigit(code)) {\n this.error(\n allowDash && len !== 0\n ? 'Hyphen minus' + (len < 6 ? ' or hex digit' : '') + ' is expected'\n : (len < 6 ? 'Hex digit is expected' : 'Unexpected input'),\n pos\n );\n }\n\n if (++len > 6) {\n this.error('Too many hex digits', pos);\n };\n }\n\n this.next();\n return len;\n}\n\nfunction eatQuestionMarkSequence(max) {\n let count = 0;\n\n while (this.isDelim(QUESTIONMARK)) {\n if (++count > max) {\n this.error('Too many question marks');\n }\n\n this.next();\n }\n}\n\nfunction startsWith(code) {\n if (this.charCodeAt(this.tokenStart) !== code) {\n this.error((code === PLUSSIGN ? 'Plus sign' : 'Hyphen minus') + ' is expected');\n }\n}\n\n// https://drafts.csswg.org/css-syntax/#urange\n// Informally, the <urange> production has three forms:\n// U+0001\n// Defines a range consisting of a single code point, in this case the code point \"1\".\n// U+0001-00ff\n// Defines a range of codepoints between the first and the second value, in this case\n// the range between \"1\" and \"ff\" (255 in decimal) inclusive.\n// U+00??\n// Defines a range of codepoints where the \"?\" characters range over all hex digits,\n// in this case defining the same as the value U+0000-00ff.\n// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat \"?\" as a hexadecimal digit).\n//\n// <urange> =\n// u '+' <ident-token> '?'* |\n// u <dimension-token> '?'* |\n// u <number-token> '?'* |\n// u <number-token> <dimension-token> |\n// u <number-token> <number-token> |\n// u '+' '?'+\nfunction scanUnicodeRange() {\n let hexLength = 0;\n\n switch (this.tokenType) {\n case Number:\n // u <number-token> '?'*\n // u <number-token> <dimension-token>\n // u <number-token> <number-token>\n hexLength = eatHexSequence.call(this, 1, true);\n\n if (this.isDelim(QUESTIONMARK)) {\n eatQuestionMarkSequence.call(this, 6 - hexLength);\n break;\n }\n\n if (this.tokenType === Dimension ||\n this.tokenType === Number) {\n startsWith.call(this, HYPHENMINUS);\n eatHexSequence.call(this, 1, false);\n break;\n }\n\n break;\n\n case Dimension:\n // u <dimension-token> '?'*\n hexLength = eatHexSequence.call(this, 1, true);\n\n if (hexLength > 0) {\n eatQuestionMarkSequence.call(this, 6 - hexLength);\n }\n\n break;\n\n default:\n // u '+' <ident-token> '?'*\n // u '+' '?'+\n this.eatDelim(PLUSSIGN);\n\n if (this.tokenType === Ident) {\n hexLength = eatHexSequence.call(this, 0, true);\n if (hexLength > 0) {\n eatQuestionMarkSequence.call(this, 6 - hexLength);\n }\n break;\n }\n\n if (this.isDelim(QUESTIONMARK)) {\n this.next();\n eatQuestionMarkSequence.call(this, 5);\n break;\n }\n\n this.error('Hex digit or question mark is expected');\n }\n}\n\nexport const name = 'UnicodeRange';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n const start = this.tokenStart;\n\n // U or u\n this.eatIdent('u');\n scanUnicodeRange.call(this);\n\n return {\n type: 'UnicodeRange',\n loc: this.getLocation(start, this.tokenStart),\n value: this.substrToCursor(start)\n };\n}\n\nexport function generate(node) {\n this.tokenize(node.value);\n}\n","import * as url from '../../utils/url.js';\nimport * as string from '../../utils/string.js';\nimport {\n Function as FunctionToken,\n String as StringToken,\n Url,\n RightParenthesis\n} from '../../tokenizer/index.js';\n\nexport const name = 'Url';\nexport const structure = {\n value: String\n};\n\n// <url-token> | <function-token> <string> )\nexport function parse() {\n const start = this.tokenStart;\n let value;\n\n switch (this.tokenType) {\n case Url:\n value = url.decode(this.consume(Url));\n break;\n\n case FunctionToken:\n if (!this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')) {\n this.error('Function name must be `url`');\n }\n\n this.eat(FunctionToken);\n this.skipSC();\n value = string.decode(this.consume(StringToken));\n this.skipSC();\n if (!this.eof) {\n this.eat(RightParenthesis);\n }\n break;\n\n default:\n this.error('Url or Function is expected');\n }\n\n return {\n type: 'Url',\n loc: this.getLocation(start, this.tokenStart),\n value\n };\n}\n\nexport function generate(node) {\n this.token(Url, url.encode(node.value));\n}\n","import {\n isHexDigit,\n isWhiteSpace,\n isValidEscape,\n consumeEscaped,\n decodeEscaped\n} from '../tokenizer/index.js';\n\nconst SPACE = 0x0020; // U+0020 SPACE\nconst REVERSE_SOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\\)\nconst QUOTATION_MARK = 0x0022; // \"\nconst APOSTROPHE = 0x0027; // '\nconst LEFTPARENTHESIS = 0x0028; // U+0028 LEFT PARENTHESIS (()\nconst RIGHTPARENTHESIS = 0x0029; // U+0029 RIGHT PARENTHESIS ())\n\nexport function decode(str) {\n const len = str.length;\n let start = 4; // length of \"url(\"\n let end = str.charCodeAt(len - 1) === RIGHTPARENTHESIS ? len - 2 : len - 1;\n let decoded = '';\n\n while (start < end && isWhiteSpace(str.charCodeAt(start))) {\n start++;\n }\n\n while (start < end && isWhiteSpace(str.charCodeAt(end))) {\n end--;\n }\n\n for (let i = start; i <= end; i++) {\n let code = str.charCodeAt(i);\n\n if (code === REVERSE_SOLIDUS) {\n // special case at the ending\n if (i === end) {\n // if the next input code point is EOF, do nothing\n // otherwise include last left parenthesis as escaped\n if (i !== len - 1) {\n decoded = str.substr(i + 1);\n }\n break;\n }\n\n code = str.charCodeAt(++i);\n\n // consume escaped\n if (isValidEscape(REVERSE_SOLIDUS, code)) {\n const escapeStart = i - 1;\n const escapeEnd = consumeEscaped(str, escapeStart);\n\n i = escapeEnd - 1;\n decoded += decodeEscaped(str.substring(escapeStart + 1, escapeEnd));\n } else {\n // \\r\\n\n if (code === 0x000d && str.charCodeAt(i + 1) === 0x000a) {\n i++;\n }\n }\n } else {\n decoded += str[i];\n }\n }\n\n return decoded;\n}\n\nexport function encode(str) {\n let encoded = '';\n let wsBeforeHexIsNeeded = false;\n\n for (let i = 0; i < str.length; i++) {\n const code = str.charCodeAt(i);\n\n // If the character is NULL (U+0000), then the REPLACEMENT CHARACTER (U+FFFD).\n if (code === 0x0000) {\n encoded += '\\uFFFD';\n continue;\n }\n\n // If the character is in the range [\\1-\\1f] (U+0001 to U+001F) or is U+007F,\n // the character escaped as code point.\n // Note: Do not compare with 0x0001 since 0x0000 is precessed before\n if (code <= 0x001f || code === 0x007F) {\n encoded += '\\\\' + code.toString(16);\n wsBeforeHexIsNeeded = true;\n continue;\n }\n\n if (code === SPACE ||\n code === REVERSE_SOLIDUS ||\n code === QUOTATION_MARK ||\n code === APOSTROPHE ||\n code === LEFTPARENTHESIS ||\n code === RIGHTPARENTHESIS) {\n encoded += '\\\\' + str.charAt(i);\n wsBeforeHexIsNeeded = false;\n } else {\n if (wsBeforeHexIsNeeded && isHexDigit(code)) {\n encoded += ' ';\n }\n\n encoded += str.charAt(i);\n wsBeforeHexIsNeeded = false;\n }\n }\n\n return 'url(' + encoded + ')';\n}\n","export const name = 'Value';\nexport const structure = {\n children: [[]]\n};\n\nexport function parse() {\n const start = this.tokenStart;\n const children = this.readSequence(this.scope.Value);\n\n return {\n type: 'Value',\n loc: this.getLocation(start, this.tokenStart),\n children\n };\n}\n\nexport function generate(node) {\n this.children(node);\n}\n","import { WhiteSpace } from '../../tokenizer/index.js';\n\nconst SPACE = Object.freeze({\n type: 'WhiteSpace',\n loc: null,\n value: ' '\n});\n\nexport const name = 'WhiteSpace';\nexport const structure = {\n value: String\n};\n\nexport function parse() {\n this.eat(WhiteSpace);\n return SPACE;\n\n // return {\n // type: 'WhiteSpace',\n // loc: this.getLocation(this.tokenStart, this.tokenEnd),\n // value: this.consume(WHITESPACE)\n // };\n}\n\nexport function generate(node) {\n this.token(WhiteSpace, node.value);\n}\n","import {\n Ident,\n String as StringToken,\n Number as NumberToken,\n Function as FunctionToken,\n Url,\n Hash,\n Dimension,\n Percentage,\n LeftParenthesis,\n LeftSquareBracket,\n Comma,\n Delim\n} from '../../tokenizer/index.js';\n\nconst NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)\nconst ASTERISK = 0x002A; // U+002A ASTERISK (*)\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)\nconst SOLIDUS = 0x002F; // U+002F SOLIDUS (/)\nconst U = 0x0075; // U+0075 LATIN SMALL LETTER U (u)\n\nexport default function defaultRecognizer(context) {\n switch (this.tokenType) {\n case Hash:\n return this.Hash();\n\n case Comma:\n return this.Operator();\n\n case LeftParenthesis:\n return this.Parentheses(this.readSequence, context.recognizer);\n\n case LeftSquareBracket:\n return this.Brackets(this.readSequence, context.recognizer);\n\n case StringToken:\n return this.String();\n\n case Dimension:\n return this.Dimension();\n\n case Percentage:\n return this.Percentage();\n\n case NumberToken:\n return this.Number();\n\n case FunctionToken:\n return this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')\n ? this.Url()\n : this.Function(this.readSequence, context.recognizer);\n\n case Url:\n return this.Url();\n\n case Ident:\n // check for unicode range, it should start with u+ or U+\n if (this.cmpChar(this.tokenStart, U) &&\n this.cmpChar(this.tokenStart + 1, PLUSSIGN)) {\n return this.UnicodeRange();\n } else {\n return this.Identifier();\n }\n\n case Delim: {\n const code = this.charCodeAt(this.tokenStart);\n\n if (code === SOLIDUS ||\n code === ASTERISK ||\n code === PLUSSIGN ||\n code === HYPHENMINUS) {\n return this.Operator(); // TODO: replace with Delim\n }\n\n // TODO: produce a node with Delim node type\n\n if (code === NUMBERSIGN) {\n this.error('Hex or identifier is expected', this.tokenStart + 1);\n }\n\n break;\n }\n }\n};\n","import getNode from './default.js';\n\nexport default {\n getNode\n};\n","import {\n Delim,\n Ident,\n Dimension,\n Percentage,\n Number as NumberToken,\n Hash,\n Colon,\n LeftSquareBracket\n} from '../../tokenizer/index.js';\n\nconst NUMBERSIGN = 0x0023; // U+0023 NUMBER SIGN (#)\nconst ASTERISK = 0x002A; // U+002A ASTERISK (*)\nconst PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)\nconst SOLIDUS = 0x002F; // U+002F SOLIDUS (/)\nconst FULLSTOP = 0x002E; // U+002E FULL STOP (.)\nconst GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)\nconst VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)\nconst TILDE = 0x007E; // U+007E TILDE (~)\n\nfunction onWhiteSpace(next, children) {\n if (children.last !== null && children.last.type !== 'Combinator' &&\n next !== null && next.type !== 'Combinator') {\n children.push({ // FIXME: this.Combinator() should be used instead\n type: 'Combinator',\n loc: null,\n name: ' '\n });\n }\n}\n\nfunction getNode() {\n switch (this.tokenType) {\n case LeftSquareBracket:\n return this.AttributeSelector();\n\n case Hash:\n return this.IdSelector();\n\n case Colon:\n if (this.lookupType(1) === Colon) {\n return this.PseudoElementSelector();\n } else {\n return this.PseudoClassSelector();\n }\n\n case Ident:\n return this.TypeSelector();\n\n case NumberToken:\n case Percentage:\n return this.Percentage();\n\n case Dimension:\n // throws when .123ident\n if (this.charCodeAt(this.tokenStart) === FULLSTOP) {\n this.error('Identifier is expected', this.tokenStart + 1);\n }\n break;\n\n case Delim: {\n const code = this.charCodeAt(this.tokenStart);\n\n switch (code) {\n case PLUSSIGN:\n case GREATERTHANSIGN:\n case TILDE:\n case SOLIDUS: // /deep/\n return this.Combinator();\n\n case FULLSTOP:\n return this.ClassSelector();\n\n case ASTERISK:\n case VERTICALLINE:\n return this.TypeSelector();\n\n case NUMBERSIGN:\n return this.IdSelector();\n }\n\n break;\n }\n }\n};\n\nexport default {\n onWhiteSpace,\n getNode\n};\n","import getNode from './default.js';\nimport expressionFn from '../function/expression.js';\nimport varFn from '../function/var.js';\n\nfunction isPlusMinusOperator(node) {\n return (\n node !== null &&\n node.type === 'Operator' &&\n (node.value[node.value.length - 1] === '-' || node.value[node.value.length - 1] === '+')\n );\n}\n\nexport default {\n getNode,\n onWhiteSpace(next, children) {\n if (isPlusMinusOperator(next)) {\n next.value = ' ' + next.value;\n }\n if (isPlusMinusOperator(children.last)) {\n children.last.value += ' ';\n }\n },\n 'expression': expressionFn,\n 'var': varFn\n};\n","// legacy IE function\n// expression( <any-value> )\nexport default function() {\n return this.createSingleNodeList(\n this.Raw(this.tokenIndex, null, false)\n );\n}\n","import { Comma, WhiteSpace } from '../../tokenizer/index.js';\n\n// var( <ident> , <value>? )\nexport default function() {\n const children = this.createList();\n\n this.skipSC();\n\n // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer\n children.push(this.Identifier());\n\n this.skipSC();\n\n if (this.tokenType === Comma) {\n children.push(this.Operator());\n\n const startIndex = this.tokenIndex;\n const value = this.parseCustomProperty\n ? this.Value(null)\n : this.Raw(this.tokenIndex, this.consumeUntilExclamationMarkOrSemicolon, false);\n\n if (value.type === 'Value' && value.children.isEmpty) {\n for (let offset = startIndex - this.tokenIndex; offset <= 0; offset++) {\n if (this.lookupType(offset) === WhiteSpace) {\n value.children.appendData({\n type: 'WhiteSpace',\n loc: null,\n value: ' '\n });\n break;\n }\n }\n }\n\n children.push(value);\n }\n\n return children;\n};\n","import {\n WhiteSpace,\n Comment,\n Ident,\n Function,\n Colon,\n LeftParenthesis\n} from '../../tokenizer/index.js';\n\nfunction consumeRaw() {\n return this.createSingleNodeList(\n this.Raw(this.tokenIndex, null, false)\n );\n}\n\nfunction parentheses() {\n this.skipSC();\n\n if (this.tokenType === Ident &&\n this.lookupNonWSType(1) === Colon) {\n return this.createSingleNodeList(\n this.Declaration()\n );\n }\n\n return readSequence.call(this);\n}\n\nfunction readSequence() {\n const children = this.createList();\n let child;\n\n this.skipSC();\n\n scan:\n while (!this.eof) {\n switch (this.tokenType) {\n case Comment:\n case WhiteSpace:\n this.next();\n continue;\n\n case Function:\n child = this.Function(consumeRaw, this.scope.AtrulePrelude);\n break;\n\n case Ident:\n child = this.Identifier();\n break;\n\n case LeftParenthesis:\n child = this.Parentheses(parentheses, this.scope.AtrulePrelude);\n break;\n\n default:\n break scan;\n }\n\n children.push(child);\n }\n\n return children;\n}\n\nexport default {\n parse: {\n prelude() {\n const children = readSequence.call(this);\n\n if (this.getFirstListNode(children) === null) {\n this.error('Condition is expected');\n }\n\n return children;\n },\n block() {\n return this.Block(false);\n }\n }\n};\n","const selectorList = {\n parse() {\n return this.createSingleNodeList(\n this.SelectorList()\n );\n }\n};\n\nconst selector = {\n parse() {\n return this.createSingleNodeList(\n this.Selector()\n );\n }\n};\n\nconst identList = {\n parse() {\n return this.createSingleNodeList(\n this.Identifier()\n );\n }\n};\n\nconst nth = {\n parse() {\n return this.createSingleNodeList(\n this.Nth()\n );\n }\n};\n\nexport default {\n 'dir': identList,\n 'has': selectorList,\n 'lang': identList,\n 'matches': selectorList,\n 'is': selectorList,\n '-moz-any': selectorList,\n '-webkit-any': selectorList,\n 'where': selectorList,\n 'not': selectorList,\n 'nth-child': nth,\n 'nth-last-child': nth,\n 'nth-last-of-type': nth,\n 'nth-of-type': nth,\n 'slotted': selector\n};\n","import createSyntax from './create.js';\nimport lexerConfig from './config/lexer.js';\nimport parserConfig from './config/parser.js';\nimport walkerConfig from './config/walker.js';\n\nexport default createSyntax({\n ...lexerConfig,\n ...parserConfig,\n ...walkerConfig\n});\n","import definitions from '../../data.js';\nimport * as node from '../node/index.js';\n\nexport default {\n generic: true,\n ...definitions,\n node\n};\n","export default {\n \"generic\": true,\n \"types\": {\n \"absolute-size\": \"xx-small|x-small|small|medium|large|x-large|xx-large|xxx-large\",\n \"alpha-value\": \"<number>|<percentage>\",\n \"angle-percentage\": \"<angle>|<percentage>\",\n \"angular-color-hint\": \"<angle-percentage>\",\n \"angular-color-stop\": \"<color>&&<color-stop-angle>?\",\n \"angular-color-stop-list\": \"[<angular-color-stop> [, <angular-color-hint>]?]# , <angular-color-stop>\",\n \"animateable-feature\": \"scroll-position|contents|<custom-ident>\",\n \"attachment\": \"scroll|fixed|local\",\n \"attr()\": \"attr( <attr-name> <type-or-unit>? [, <attr-fallback>]? )\",\n \"attr-matcher\": \"['~'|'|'|'^'|'$'|'*']? '='\",\n \"attr-modifier\": \"i|s\",\n \"attribute-selector\": \"'[' <wq-name> ']'|'[' <wq-name> <attr-matcher> [<string-token>|<ident-token>] <attr-modifier>? ']'\",\n \"auto-repeat\": \"repeat( [auto-fill|auto-fit] , [<line-names>? <fixed-size>]+ <line-names>? )\",\n \"auto-track-list\": \"[<line-names>? [<fixed-size>|<fixed-repeat>]]* <line-names>? <auto-repeat> [<line-names>? [<fixed-size>|<fixed-repeat>]]* <line-names>?\",\n \"baseline-position\": \"[first|last]? baseline\",\n \"basic-shape\": \"<inset()>|<circle()>|<ellipse()>|<polygon()>|<path()>\",\n \"bg-image\": \"none|<image>\",\n \"bg-layer\": \"<bg-image>||<bg-position> [/ <bg-size>]?||<repeat-style>||<attachment>||<box>||<box>\",\n \"bg-position\": \"[[left|center|right|top|bottom|<length-percentage>]|[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]|[center|[left|right] <length-percentage>?]&&[center|[top|bottom] <length-percentage>?]]\",\n \"bg-size\": \"[<length-percentage>|auto]{1,2}|cover|contain\",\n \"blur()\": \"blur( <length> )\",\n \"blend-mode\": \"normal|multiply|screen|overlay|darken|lighten|color-dodge|color-burn|hard-light|soft-light|difference|exclusion|hue|saturation|color|luminosity\",\n \"box\": \"border-box|padding-box|content-box\",\n \"brightness()\": \"brightness( <number-percentage> )\",\n \"calc()\": \"calc( <calc-sum> )\",\n \"calc-sum\": \"<calc-product> [['+'|'-'] <calc-product>]*\",\n \"calc-product\": \"<calc-value> ['*' <calc-value>|'/' <number>]*\",\n \"calc-value\": \"<number>|<dimension>|<percentage>|( <calc-sum> )\",\n \"cf-final-image\": \"<image>|<color>\",\n \"cf-mixing-image\": \"<percentage>?&&<image>\",\n \"circle()\": \"circle( [<shape-radius>]? [at <position>]? )\",\n \"clamp()\": \"clamp( <calc-sum>#{3} )\",\n \"class-selector\": \"'.' <ident-token>\",\n \"clip-source\": \"<url>\",\n \"color\": \"<rgb()>|<rgba()>|<hsl()>|<hsla()>|<hwb()>|<lab()>|<lch()>|<hex-color>|<named-color>|currentcolor|<deprecated-system-color>\",\n \"color-stop\": \"<color-stop-length>|<color-stop-angle>\",\n \"color-stop-angle\": \"<angle-percentage>{1,2}\",\n \"color-stop-length\": \"<length-percentage>{1,2}\",\n \"color-stop-list\": \"[<linear-color-stop> [, <linear-color-hint>]?]# , <linear-color-stop>\",\n \"combinator\": \"'>'|'+'|'~'|['||']\",\n \"common-lig-values\": \"[common-ligatures|no-common-ligatures]\",\n \"compat-auto\": \"searchfield|textarea|push-button|slider-horizontal|checkbox|radio|square-button|menulist|listbox|meter|progress-bar|button\",\n \"composite-style\": \"clear|copy|source-over|source-in|source-out|source-atop|destination-over|destination-in|destination-out|destination-atop|xor\",\n \"compositing-operator\": \"add|subtract|intersect|exclude\",\n \"compound-selector\": \"[<type-selector>? <subclass-selector>* [<pseudo-element-selector> <pseudo-class-selector>*]*]!\",\n \"compound-selector-list\": \"<compound-selector>#\",\n \"complex-selector\": \"<compound-selector> [<combinator>? <compound-selector>]*\",\n \"complex-selector-list\": \"<complex-selector>#\",\n \"conic-gradient()\": \"conic-gradient( [from <angle>]? [at <position>]? , <angular-color-stop-list> )\",\n \"contextual-alt-values\": \"[contextual|no-contextual]\",\n \"content-distribution\": \"space-between|space-around|space-evenly|stretch\",\n \"content-list\": \"[<string>|contents|<image>|<counter>|<quote>|<target>|<leader()>|<attr()>]+\",\n \"content-position\": \"center|start|end|flex-start|flex-end\",\n \"content-replacement\": \"<image>\",\n \"contrast()\": \"contrast( [<number-percentage>] )\",\n \"counter\": \"<counter()>|<counters()>\",\n \"counter()\": \"counter( <counter-name> , <counter-style>? )\",\n \"counter-name\": \"<custom-ident>\",\n \"counter-style\": \"<counter-style-name>|symbols( )\",\n \"counter-style-name\": \"<custom-ident>\",\n \"counters()\": \"counters( <counter-name> , <string> , <counter-style>? )\",\n \"cross-fade()\": \"cross-fade( <cf-mixing-image> , <cf-final-image>? )\",\n \"cubic-bezier-timing-function\": \"ease|ease-in|ease-out|ease-in-out|cubic-bezier( <number [0,1]> , <number> , <number [0,1]> , <number> )\",\n \"deprecated-system-color\": \"ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow|ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption|InactiveCaptionText|InfoBackground|InfoText|Menu|MenuText|Scrollbar|ThreeDDarkShadow|ThreeDFace|ThreeDHighlight|ThreeDLightShadow|ThreeDShadow|Window|WindowFrame|WindowText\",\n \"discretionary-lig-values\": \"[discretionary-ligatures|no-discretionary-ligatures]\",\n \"display-box\": \"contents|none\",\n \"display-inside\": \"flow|flow-root|table|flex|grid|ruby\",\n \"display-internal\": \"table-row-group|table-header-group|table-footer-group|table-row|table-cell|table-column-group|table-column|table-caption|ruby-base|ruby-text|ruby-base-container|ruby-text-container\",\n \"display-legacy\": \"inline-block|inline-list-item|inline-table|inline-flex|inline-grid\",\n \"display-listitem\": \"<display-outside>?&&[flow|flow-root]?&&list-item\",\n \"display-outside\": \"block|inline|run-in\",\n \"drop-shadow()\": \"drop-shadow( <length>{2,3} <color>? )\",\n \"east-asian-variant-values\": \"[jis78|jis83|jis90|jis04|simplified|traditional]\",\n \"east-asian-width-values\": \"[full-width|proportional-width]\",\n \"element()\": \"element( <custom-ident> , [first|start|last|first-except]? )|element( <id-selector> )\",\n \"ellipse()\": \"ellipse( [<shape-radius>{2}]? [at <position>]? )\",\n \"ending-shape\": \"circle|ellipse\",\n \"env()\": \"env( <custom-ident> , <declaration-value>? )\",\n \"explicit-track-list\": \"[<line-names>? <track-size>]+ <line-names>?\",\n \"family-name\": \"<string>|<custom-ident>+\",\n \"feature-tag-value\": \"<string> [<integer>|on|off]?\",\n \"feature-type\": \"@stylistic|@historical-forms|@styleset|@character-variant|@swash|@ornaments|@annotation\",\n \"feature-value-block\": \"<feature-type> '{' <feature-value-declaration-list> '}'\",\n \"feature-value-block-list\": \"<feature-value-block>+\",\n \"feature-value-declaration\": \"<custom-ident> : <integer>+ ;\",\n \"feature-value-declaration-list\": \"<feature-value-declaration>\",\n \"feature-value-name\": \"<custom-ident>\",\n \"fill-rule\": \"nonzero|evenodd\",\n \"filter-function\": \"<blur()>|<brightness()>|<contrast()>|<drop-shadow()>|<grayscale()>|<hue-rotate()>|<invert()>|<opacity()>|<saturate()>|<sepia()>\",\n \"filter-function-list\": \"[<filter-function>|<url>]+\",\n \"final-bg-layer\": \"<'background-color'>||<bg-image>||<bg-position> [/ <bg-size>]?||<repeat-style>||<attachment>||<box>||<box>\",\n \"fit-content()\": \"fit-content( [<length>|<percentage>] )\",\n \"fixed-breadth\": \"<length-percentage>\",\n \"fixed-repeat\": \"repeat( [<integer [1,∞]>] , [<line-names>? <fixed-size>]+ <line-names>? )\",\n \"fixed-size\": \"<fixed-breadth>|minmax( <fixed-breadth> , <track-breadth> )|minmax( <inflexible-breadth> , <fixed-breadth> )\",\n \"font-stretch-absolute\": \"normal|ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded|<percentage>\",\n \"font-variant-css21\": \"[normal|small-caps]\",\n \"font-weight-absolute\": \"normal|bold|<number [1,1000]>\",\n \"frequency-percentage\": \"<frequency>|<percentage>\",\n \"general-enclosed\": \"[<function-token> <any-value> )]|( <ident> <any-value> )\",\n \"generic-family\": \"serif|sans-serif|cursive|fantasy|monospace|-apple-system\",\n \"generic-name\": \"serif|sans-serif|cursive|fantasy|monospace\",\n \"geometry-box\": \"<shape-box>|fill-box|stroke-box|view-box\",\n \"gradient\": \"<linear-gradient()>|<repeating-linear-gradient()>|<radial-gradient()>|<repeating-radial-gradient()>|<conic-gradient()>|<repeating-conic-gradient()>|<-legacy-gradient>\",\n \"grayscale()\": \"grayscale( <number-percentage> )\",\n \"grid-line\": \"auto|<custom-ident>|[<integer>&&<custom-ident>?]|[span&&[<integer>||<custom-ident>]]\",\n \"historical-lig-values\": \"[historical-ligatures|no-historical-ligatures]\",\n \"hsl()\": \"hsl( <hue> <percentage> <percentage> [/ <alpha-value>]? )|hsl( <hue> , <percentage> , <percentage> , <alpha-value>? )\",\n \"hsla()\": \"hsla( <hue> <percentage> <percentage> [/ <alpha-value>]? )|hsla( <hue> , <percentage> , <percentage> , <alpha-value>? )\",\n \"hue\": \"<number>|<angle>\",\n \"hue-rotate()\": \"hue-rotate( <angle> )\",\n \"hwb()\": \"hwb( [<hue>|none] [<percentage>|none] [<percentage>|none] [/ [<alpha-value>|none]]? )\",\n \"image\": \"<url>|<image()>|<image-set()>|<element()>|<paint()>|<cross-fade()>|<gradient>\",\n \"image()\": \"image( <image-tags>? [<image-src>? , <color>?]! )\",\n \"image-set()\": \"image-set( <image-set-option># )\",\n \"image-set-option\": \"[<image>|<string>] [<resolution>||type( <string> )]\",\n \"image-src\": \"<url>|<string>\",\n \"image-tags\": \"ltr|rtl\",\n \"inflexible-breadth\": \"<length>|<percentage>|min-content|max-content|auto\",\n \"inset()\": \"inset( <length-percentage>{1,4} [round <'border-radius'>]? )\",\n \"invert()\": \"invert( <number-percentage> )\",\n \"keyframes-name\": \"<custom-ident>|<string>\",\n \"keyframe-block\": \"<keyframe-selector># { <declaration-list> }\",\n \"keyframe-block-list\": \"<keyframe-block>+\",\n \"keyframe-selector\": \"from|to|<percentage>\",\n \"layer()\": \"layer( <layer-name> )\",\n \"layer-name\": \"<ident> ['.' <ident>]*\",\n \"leader()\": \"leader( <leader-type> )\",\n \"leader-type\": \"dotted|solid|space|<string>\",\n \"length-percentage\": \"<length>|<percentage>\",\n \"line-names\": \"'[' <custom-ident>* ']'\",\n \"line-name-list\": \"[<line-names>|<name-repeat>]+\",\n \"line-style\": \"none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset\",\n \"line-width\": \"<length>|thin|medium|thick\",\n \"linear-color-hint\": \"<length-percentage>\",\n \"linear-color-stop\": \"<color> <color-stop-length>?\",\n \"linear-gradient()\": \"linear-gradient( [<angle>|to <side-or-corner>]? , <color-stop-list> )\",\n \"mask-layer\": \"<mask-reference>||<position> [/ <bg-size>]?||<repeat-style>||<geometry-box>||[<geometry-box>|no-clip]||<compositing-operator>||<masking-mode>\",\n \"mask-position\": \"[<length-percentage>|left|center|right] [<length-percentage>|top|center|bottom]?\",\n \"mask-reference\": \"none|<image>|<mask-source>\",\n \"mask-source\": \"<url>\",\n \"masking-mode\": \"alpha|luminance|match-source\",\n \"matrix()\": \"matrix( <number>#{6} )\",\n \"matrix3d()\": \"matrix3d( <number>#{16} )\",\n \"max()\": \"max( <calc-sum># )\",\n \"media-and\": \"<media-in-parens> [and <media-in-parens>]+\",\n \"media-condition\": \"<media-not>|<media-and>|<media-or>|<media-in-parens>\",\n \"media-condition-without-or\": \"<media-not>|<media-and>|<media-in-parens>\",\n \"media-feature\": \"( [<mf-plain>|<mf-boolean>|<mf-range>] )\",\n \"media-in-parens\": \"( <media-condition> )|<media-feature>|<general-enclosed>\",\n \"media-not\": \"not <media-in-parens>\",\n \"media-or\": \"<media-in-parens> [or <media-in-parens>]+\",\n \"media-query\": \"<media-condition>|[not|only]? <media-type> [and <media-condition-without-or>]?\",\n \"media-query-list\": \"<media-query>#\",\n \"media-type\": \"<ident>\",\n \"mf-boolean\": \"<mf-name>\",\n \"mf-name\": \"<ident>\",\n \"mf-plain\": \"<mf-name> : <mf-value>\",\n \"mf-range\": \"<mf-name> ['<'|'>']? '='? <mf-value>|<mf-value> ['<'|'>']? '='? <mf-name>|<mf-value> '<' '='? <mf-name> '<' '='? <mf-value>|<mf-value> '>' '='? <mf-name> '>' '='? <mf-value>\",\n \"mf-value\": \"<number>|<dimension>|<ident>|<ratio>\",\n \"min()\": \"min( <calc-sum># )\",\n \"minmax()\": \"minmax( [<length>|<percentage>|min-content|max-content|auto] , [<length>|<percentage>|<flex>|min-content|max-content|auto] )\",\n \"name-repeat\": \"repeat( [<integer [1,∞]>|auto-fill] , <line-names>+ )\",\n \"named-color\": \"transparent|aliceblue|antiquewhite|aqua|aquamarine|azure|beige|bisque|black|blanchedalmond|blue|blueviolet|brown|burlywood|cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan|darkgoldenrod|darkgray|darkgreen|darkgrey|darkkhaki|darkmagenta|darkolivegreen|darkorange|darkorchid|darkred|darksalmon|darkseagreen|darkslateblue|darkslategray|darkslategrey|darkturquoise|darkviolet|deeppink|deepskyblue|dimgray|dimgrey|dodgerblue|firebrick|floralwhite|forestgreen|fuchsia|gainsboro|ghostwhite|gold|goldenrod|gray|green|greenyellow|grey|honeydew|hotpink|indianred|indigo|ivory|khaki|lavender|lavenderblush|lawngreen|lemonchiffon|lightblue|lightcoral|lightcyan|lightgoldenrodyellow|lightgray|lightgreen|lightgrey|lightpink|lightsalmon|lightseagreen|lightskyblue|lightslategray|lightslategrey|lightsteelblue|lightyellow|lime|limegreen|linen|magenta|maroon|mediumaquamarine|mediumblue|mediumorchid|mediumpurple|mediumseagreen|mediumslateblue|mediumspringgreen|mediumturquoise|mediumvioletred|midnightblue|mintcream|mistyrose|moccasin|navajowhite|navy|oldlace|olive|olivedrab|orange|orangered|orchid|palegoldenrod|palegreen|paleturquoise|palevioletred|papayawhip|peachpuff|peru|pink|plum|powderblue|purple|rebeccapurple|red|rosybrown|royalblue|saddlebrown|salmon|sandybrown|seagreen|seashell|sienna|silver|skyblue|slateblue|slategray|slategrey|snow|springgreen|steelblue|tan|teal|thistle|tomato|turquoise|violet|wheat|white|whitesmoke|yellow|yellowgreen|<-non-standard-color>\",\n \"namespace-prefix\": \"<ident>\",\n \"ns-prefix\": \"[<ident-token>|'*']? '|'\",\n \"number-percentage\": \"<number>|<percentage>\",\n \"numeric-figure-values\": \"[lining-nums|oldstyle-nums]\",\n \"numeric-fraction-values\": \"[diagonal-fractions|stacked-fractions]\",\n \"numeric-spacing-values\": \"[proportional-nums|tabular-nums]\",\n \"nth\": \"<an-plus-b>|even|odd\",\n \"opacity()\": \"opacity( [<number-percentage>] )\",\n \"overflow-position\": \"unsafe|safe\",\n \"outline-radius\": \"<length>|<percentage>\",\n \"page-body\": \"<declaration>? [; <page-body>]?|<page-margin-box> <page-body>\",\n \"page-margin-box\": \"<page-margin-box-type> '{' <declaration-list> '}'\",\n \"page-margin-box-type\": \"@top-left-corner|@top-left|@top-center|@top-right|@top-right-corner|@bottom-left-corner|@bottom-left|@bottom-center|@bottom-right|@bottom-right-corner|@left-top|@left-middle|@left-bottom|@right-top|@right-middle|@right-bottom\",\n \"page-selector-list\": \"[<page-selector>#]?\",\n \"page-selector\": \"<pseudo-page>+|<ident> <pseudo-page>*\",\n \"page-size\": \"A5|A4|A3|B5|B4|JIS-B5|JIS-B4|letter|legal|ledger\",\n \"path()\": \"path( [<fill-rule> ,]? <string> )\",\n \"paint()\": \"paint( <ident> , <declaration-value>? )\",\n \"perspective()\": \"perspective( <length> )\",\n \"polygon()\": \"polygon( <fill-rule>? , [<length-percentage> <length-percentage>]# )\",\n \"position\": \"[[left|center|right]||[top|center|bottom]|[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]?|[[left|right] <length-percentage>]&&[[top|bottom] <length-percentage>]]\",\n \"pseudo-class-selector\": \"':' <ident-token>|':' <function-token> <any-value> ')'\",\n \"pseudo-element-selector\": \"':' <pseudo-class-selector>\",\n \"pseudo-page\": \": [left|right|first|blank]\",\n \"quote\": \"open-quote|close-quote|no-open-quote|no-close-quote\",\n \"radial-gradient()\": \"radial-gradient( [<ending-shape>||<size>]? [at <position>]? , <color-stop-list> )\",\n \"relative-selector\": \"<combinator>? <complex-selector>\",\n \"relative-selector-list\": \"<relative-selector>#\",\n \"relative-size\": \"larger|smaller\",\n \"repeat-style\": \"repeat-x|repeat-y|[repeat|space|round|no-repeat]{1,2}\",\n \"repeating-conic-gradient()\": \"repeating-conic-gradient( [from <angle>]? [at <position>]? , <angular-color-stop-list> )\",\n \"repeating-linear-gradient()\": \"repeating-linear-gradient( [<angle>|to <side-or-corner>]? , <color-stop-list> )\",\n \"repeating-radial-gradient()\": \"repeating-radial-gradient( [<ending-shape>||<size>]? [at <position>]? , <color-stop-list> )\",\n \"rgb()\": \"rgb( <percentage>{3} [/ <alpha-value>]? )|rgb( <number>{3} [/ <alpha-value>]? )|rgb( <percentage>#{3} , <alpha-value>? )|rgb( <number>#{3} , <alpha-value>? )\",\n \"rgba()\": \"rgba( <percentage>{3} [/ <alpha-value>]? )|rgba( <number>{3} [/ <alpha-value>]? )|rgba( <percentage>#{3} , <alpha-value>? )|rgba( <number>#{3} , <alpha-value>? )\",\n \"rotate()\": \"rotate( [<angle>|<zero>] )\",\n \"rotate3d()\": \"rotate3d( <number> , <number> , <number> , [<angle>|<zero>] )\",\n \"rotateX()\": \"rotateX( [<angle>|<zero>] )\",\n \"rotateY()\": \"rotateY( [<angle>|<zero>] )\",\n \"rotateZ()\": \"rotateZ( [<angle>|<zero>] )\",\n \"saturate()\": \"saturate( <number-percentage> )\",\n \"scale()\": \"scale( <number> , <number>? )\",\n \"scale3d()\": \"scale3d( <number> , <number> , <number> )\",\n \"scaleX()\": \"scaleX( <number> )\",\n \"scaleY()\": \"scaleY( <number> )\",\n \"scaleZ()\": \"scaleZ( <number> )\",\n \"self-position\": \"center|start|end|self-start|self-end|flex-start|flex-end\",\n \"shape-radius\": \"<length-percentage>|closest-side|farthest-side\",\n \"skew()\": \"skew( [<angle>|<zero>] , [<angle>|<zero>]? )\",\n \"skewX()\": \"skewX( [<angle>|<zero>] )\",\n \"skewY()\": \"skewY( [<angle>|<zero>] )\",\n \"sepia()\": \"sepia( <number-percentage> )\",\n \"shadow\": \"inset?&&<length>{2,4}&&<color>?\",\n \"shadow-t\": \"[<length>{2,3}&&<color>?]\",\n \"shape\": \"rect( <top> , <right> , <bottom> , <left> )|rect( <top> <right> <bottom> <left> )\",\n \"shape-box\": \"<box>|margin-box\",\n \"side-or-corner\": \"[left|right]||[top|bottom]\",\n \"single-animation\": \"<time>||<easing-function>||<time>||<single-animation-iteration-count>||<single-animation-direction>||<single-animation-fill-mode>||<single-animation-play-state>||[none|<keyframes-name>]\",\n \"single-animation-direction\": \"normal|reverse|alternate|alternate-reverse\",\n \"single-animation-fill-mode\": \"none|forwards|backwards|both\",\n \"single-animation-iteration-count\": \"infinite|<number>\",\n \"single-animation-play-state\": \"running|paused\",\n \"single-animation-timeline\": \"auto|none|<timeline-name>\",\n \"single-transition\": \"[none|<single-transition-property>]||<time>||<easing-function>||<time>\",\n \"single-transition-property\": \"all|<custom-ident>\",\n \"size\": \"closest-side|farthest-side|closest-corner|farthest-corner|<length>|<length-percentage>{2}\",\n \"step-position\": \"jump-start|jump-end|jump-none|jump-both|start|end\",\n \"step-timing-function\": \"step-start|step-end|steps( <integer> [, <step-position>]? )\",\n \"subclass-selector\": \"<id-selector>|<class-selector>|<attribute-selector>|<pseudo-class-selector>\",\n \"supports-condition\": \"not <supports-in-parens>|<supports-in-parens> [and <supports-in-parens>]*|<supports-in-parens> [or <supports-in-parens>]*\",\n \"supports-in-parens\": \"( <supports-condition> )|<supports-feature>|<general-enclosed>\",\n \"supports-feature\": \"<supports-decl>|<supports-selector-fn>\",\n \"supports-decl\": \"( <declaration> )\",\n \"supports-selector-fn\": \"selector( <complex-selector> )\",\n \"symbol\": \"<string>|<image>|<custom-ident>\",\n \"target\": \"<target-counter()>|<target-counters()>|<target-text()>\",\n \"target-counter()\": \"target-counter( [<string>|<url>] , <custom-ident> , <counter-style>? )\",\n \"target-counters()\": \"target-counters( [<string>|<url>] , <custom-ident> , <string> , <counter-style>? )\",\n \"target-text()\": \"target-text( [<string>|<url>] , [content|before|after|first-letter]? )\",\n \"time-percentage\": \"<time>|<percentage>\",\n \"timeline-name\": \"<custom-ident>|<string>\",\n \"easing-function\": \"linear|<cubic-bezier-timing-function>|<step-timing-function>\",\n \"track-breadth\": \"<length-percentage>|<flex>|min-content|max-content|auto\",\n \"track-list\": \"[<line-names>? [<track-size>|<track-repeat>]]+ <line-names>?\",\n \"track-repeat\": \"repeat( [<integer [1,∞]>] , [<line-names>? <track-size>]+ <line-names>? )\",\n \"track-size\": \"<track-breadth>|minmax( <inflexible-breadth> , <track-breadth> )|fit-content( [<length>|<percentage>] )\",\n \"transform-function\": \"<matrix()>|<translate()>|<translateX()>|<translateY()>|<scale()>|<scaleX()>|<scaleY()>|<rotate()>|<skew()>|<skewX()>|<skewY()>|<matrix3d()>|<translate3d()>|<translateZ()>|<scale3d()>|<scaleZ()>|<rotate3d()>|<rotateX()>|<rotateY()>|<rotateZ()>|<perspective()>\",\n \"transform-list\": \"<transform-function>+\",\n \"translate()\": \"translate( <length-percentage> , <length-percentage>? )\",\n \"translate3d()\": \"translate3d( <length-percentage> , <length-percentage> , <length> )\",\n \"translateX()\": \"translateX( <length-percentage> )\",\n \"translateY()\": \"translateY( <length-percentage> )\",\n \"translateZ()\": \"translateZ( <length> )\",\n \"type-or-unit\": \"string|color|url|integer|number|length|angle|time|frequency|cap|ch|em|ex|ic|lh|rlh|rem|vb|vi|vw|vh|vmin|vmax|mm|Q|cm|in|pt|pc|px|deg|grad|rad|turn|ms|s|Hz|kHz|%\",\n \"type-selector\": \"<wq-name>|<ns-prefix>? '*'\",\n \"var()\": \"var( <custom-property-name> , <declaration-value>? )\",\n \"viewport-length\": \"auto|<length-percentage>\",\n \"visual-box\": \"content-box|padding-box|border-box\",\n \"wq-name\": \"<ns-prefix>? <ident-token>\",\n \"-legacy-gradient\": \"<-webkit-gradient()>|<-legacy-linear-gradient>|<-legacy-repeating-linear-gradient>|<-legacy-radial-gradient>|<-legacy-repeating-radial-gradient>\",\n \"-legacy-linear-gradient\": \"-moz-linear-gradient( <-legacy-linear-gradient-arguments> )|-webkit-linear-gradient( <-legacy-linear-gradient-arguments> )|-o-linear-gradient( <-legacy-linear-gradient-arguments> )\",\n \"-legacy-repeating-linear-gradient\": \"-moz-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )|-webkit-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )|-o-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )\",\n \"-legacy-linear-gradient-arguments\": \"[<angle>|<side-or-corner>]? , <color-stop-list>\",\n \"-legacy-radial-gradient\": \"-moz-radial-gradient( <-legacy-radial-gradient-arguments> )|-webkit-radial-gradient( <-legacy-radial-gradient-arguments> )|-o-radial-gradient( <-legacy-radial-gradient-arguments> )\",\n \"-legacy-repeating-radial-gradient\": \"-moz-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )|-webkit-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )|-o-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )\",\n \"-legacy-radial-gradient-arguments\": \"[<position> ,]? [[[<-legacy-radial-gradient-shape>||<-legacy-radial-gradient-size>]|[<length>|<percentage>]{2}] ,]? <color-stop-list>\",\n \"-legacy-radial-gradient-size\": \"closest-side|closest-corner|farthest-side|farthest-corner|contain|cover\",\n \"-legacy-radial-gradient-shape\": \"circle|ellipse\",\n \"-non-standard-font\": \"-apple-system-body|-apple-system-headline|-apple-system-subheadline|-apple-system-caption1|-apple-system-caption2|-apple-system-footnote|-apple-system-short-body|-apple-system-short-headline|-apple-system-short-subheadline|-apple-system-short-caption1|-apple-system-short-footnote|-apple-system-tall-body\",\n \"-non-standard-color\": \"-moz-ButtonDefault|-moz-ButtonHoverFace|-moz-ButtonHoverText|-moz-CellHighlight|-moz-CellHighlightText|-moz-Combobox|-moz-ComboboxText|-moz-Dialog|-moz-DialogText|-moz-dragtargetzone|-moz-EvenTreeRow|-moz-Field|-moz-FieldText|-moz-html-CellHighlight|-moz-html-CellHighlightText|-moz-mac-accentdarkestshadow|-moz-mac-accentdarkshadow|-moz-mac-accentface|-moz-mac-accentlightesthighlight|-moz-mac-accentlightshadow|-moz-mac-accentregularhighlight|-moz-mac-accentregularshadow|-moz-mac-chrome-active|-moz-mac-chrome-inactive|-moz-mac-focusring|-moz-mac-menuselect|-moz-mac-menushadow|-moz-mac-menutextselect|-moz-MenuHover|-moz-MenuHoverText|-moz-MenuBarText|-moz-MenuBarHoverText|-moz-nativehyperlinktext|-moz-OddTreeRow|-moz-win-communicationstext|-moz-win-mediatext|-moz-activehyperlinktext|-moz-default-background-color|-moz-default-color|-moz-hyperlinktext|-moz-visitedhyperlinktext|-webkit-activelink|-webkit-focus-ring-color|-webkit-link|-webkit-text\",\n \"-non-standard-image-rendering\": \"optimize-contrast|-moz-crisp-edges|-o-crisp-edges|-webkit-optimize-contrast\",\n \"-non-standard-overflow\": \"-moz-scrollbars-none|-moz-scrollbars-horizontal|-moz-scrollbars-vertical|-moz-hidden-unscrollable\",\n \"-non-standard-width\": \"fill-available|min-intrinsic|intrinsic|-moz-available|-moz-fit-content|-moz-min-content|-moz-max-content|-webkit-min-content|-webkit-max-content\",\n \"-webkit-gradient()\": \"-webkit-gradient( <-webkit-gradient-type> , <-webkit-gradient-point> [, <-webkit-gradient-point>|, <-webkit-gradient-radius> , <-webkit-gradient-point>] [, <-webkit-gradient-radius>]? [, <-webkit-gradient-color-stop>]* )\",\n \"-webkit-gradient-color-stop\": \"from( <color> )|color-stop( [<number-zero-one>|<percentage>] , <color> )|to( <color> )\",\n \"-webkit-gradient-point\": \"[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]\",\n \"-webkit-gradient-radius\": \"<length>|<percentage>\",\n \"-webkit-gradient-type\": \"linear|radial\",\n \"-webkit-mask-box-repeat\": \"repeat|stretch|round\",\n \"-webkit-mask-clip-style\": \"border|border-box|padding|padding-box|content|content-box|text\",\n \"-ms-filter-function-list\": \"<-ms-filter-function>+\",\n \"-ms-filter-function\": \"<-ms-filter-function-progid>|<-ms-filter-function-legacy>\",\n \"-ms-filter-function-progid\": \"'progid:' [<ident-token> '.']* [<ident-token>|<function-token> <any-value>? )]\",\n \"-ms-filter-function-legacy\": \"<ident-token>|<function-token> <any-value>? )\",\n \"-ms-filter\": \"<string>\",\n \"age\": \"child|young|old\",\n \"attr-name\": \"<wq-name>\",\n \"attr-fallback\": \"<any-value>\",\n \"bg-clip\": \"<box>|border|text\",\n \"border-radius\": \"<length-percentage>{1,2}\",\n \"bottom\": \"<length>|auto\",\n \"generic-voice\": \"[<age>? <gender> <integer>?]\",\n \"gender\": \"male|female|neutral\",\n \"lab()\": \"lab( [<percentage>|<number>|none] [<percentage>|<number>|none] [<percentage>|<number>|none] [/ [<alpha-value>|none]]? )\",\n \"lch()\": \"lch( [<percentage>|<number>|none] [<percentage>|<number>|none] [<hue>|none] [/ [<alpha-value>|none]]? )\",\n \"left\": \"<length>|auto\",\n \"mask-image\": \"<mask-reference>#\",\n \"paint\": \"none|<color>|<url> [none|<color>]?|context-fill|context-stroke\",\n \"ratio\": \"<number [0,∞]> [/ <number [0,∞]>]?\",\n \"reversed-counter-name\": \"reversed( <counter-name> )\",\n \"right\": \"<length>|auto\",\n \"svg-length\": \"<percentage>|<length>|<number>\",\n \"svg-writing-mode\": \"lr-tb|rl-tb|tb-rl|lr|rl|tb\",\n \"top\": \"<length>|auto\",\n \"track-group\": \"'(' [<string>* <track-minmax> <string>*]+ ')' ['[' <positive-integer> ']']?|<track-minmax>\",\n \"track-list-v0\": \"[<string>* <track-group> <string>*]+|none\",\n \"track-minmax\": \"minmax( <track-breadth> , <track-breadth> )|auto|<track-breadth>|fit-content\",\n \"x\": \"<number>\",\n \"y\": \"<number>\",\n \"declaration\": \"<ident-token> : <declaration-value>? ['!' important]?\",\n \"declaration-list\": \"[<declaration>? ';']* <declaration>?\",\n \"url\": \"url( <string> <url-modifier>* )|<url-token>\",\n \"url-modifier\": \"<ident>|<function-token> <any-value> )\",\n \"number-zero-one\": \"<number [0,1]>\",\n \"number-one-or-greater\": \"<number [1,∞]>\",\n \"positive-integer\": \"<integer [0,∞]>\",\n \"-non-standard-display\": \"-ms-inline-flexbox|-ms-grid|-ms-inline-grid|-webkit-flex|-webkit-inline-flex|-webkit-box|-webkit-inline-box|-moz-inline-stack|-moz-box|-moz-inline-box\"\n },\n \"properties\": {\n \"--*\": \"<declaration-value>\",\n \"-ms-accelerator\": \"false|true\",\n \"-ms-block-progression\": \"tb|rl|bt|lr\",\n \"-ms-content-zoom-chaining\": \"none|chained\",\n \"-ms-content-zooming\": \"none|zoom\",\n \"-ms-content-zoom-limit\": \"<'-ms-content-zoom-limit-min'> <'-ms-content-zoom-limit-max'>\",\n \"-ms-content-zoom-limit-max\": \"<percentage>\",\n \"-ms-content-zoom-limit-min\": \"<percentage>\",\n \"-ms-content-zoom-snap\": \"<'-ms-content-zoom-snap-type'>||<'-ms-content-zoom-snap-points'>\",\n \"-ms-content-zoom-snap-points\": \"snapInterval( <percentage> , <percentage> )|snapList( <percentage># )\",\n \"-ms-content-zoom-snap-type\": \"none|proximity|mandatory\",\n \"-ms-filter\": \"<string>\",\n \"-ms-flow-from\": \"[none|<custom-ident>]#\",\n \"-ms-flow-into\": \"[none|<custom-ident>]#\",\n \"-ms-grid-columns\": \"none|<track-list>|<auto-track-list>\",\n \"-ms-grid-rows\": \"none|<track-list>|<auto-track-list>\",\n \"-ms-high-contrast-adjust\": \"auto|none\",\n \"-ms-hyphenate-limit-chars\": \"auto|<integer>{1,3}\",\n \"-ms-hyphenate-limit-lines\": \"no-limit|<integer>\",\n \"-ms-hyphenate-limit-zone\": \"<percentage>|<length>\",\n \"-ms-ime-align\": \"auto|after\",\n \"-ms-overflow-style\": \"auto|none|scrollbar|-ms-autohiding-scrollbar\",\n \"-ms-scrollbar-3dlight-color\": \"<color>\",\n \"-ms-scrollbar-arrow-color\": \"<color>\",\n \"-ms-scrollbar-base-color\": \"<color>\",\n \"-ms-scrollbar-darkshadow-color\": \"<color>\",\n \"-ms-scrollbar-face-color\": \"<color>\",\n \"-ms-scrollbar-highlight-color\": \"<color>\",\n \"-ms-scrollbar-shadow-color\": \"<color>\",\n \"-ms-scrollbar-track-color\": \"<color>\",\n \"-ms-scroll-chaining\": \"chained|none\",\n \"-ms-scroll-limit\": \"<'-ms-scroll-limit-x-min'> <'-ms-scroll-limit-y-min'> <'-ms-scroll-limit-x-max'> <'-ms-scroll-limit-y-max'>\",\n \"-ms-scroll-limit-x-max\": \"auto|<length>\",\n \"-ms-scroll-limit-x-min\": \"<length>\",\n \"-ms-scroll-limit-y-max\": \"auto|<length>\",\n \"-ms-scroll-limit-y-min\": \"<length>\",\n \"-ms-scroll-rails\": \"none|railed\",\n \"-ms-scroll-snap-points-x\": \"snapInterval( <length-percentage> , <length-percentage> )|snapList( <length-percentage># )\",\n \"-ms-scroll-snap-points-y\": \"snapInterval( <length-percentage> , <length-percentage> )|snapList( <length-percentage># )\",\n \"-ms-scroll-snap-type\": \"none|proximity|mandatory\",\n \"-ms-scroll-snap-x\": \"<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-x'>\",\n \"-ms-scroll-snap-y\": \"<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-y'>\",\n \"-ms-scroll-translation\": \"none|vertical-to-horizontal\",\n \"-ms-text-autospace\": \"none|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space\",\n \"-ms-touch-select\": \"grippers|none\",\n \"-ms-user-select\": \"none|element|text\",\n \"-ms-wrap-flow\": \"auto|both|start|end|maximum|clear\",\n \"-ms-wrap-margin\": \"<length>\",\n \"-ms-wrap-through\": \"wrap|none\",\n \"-moz-appearance\": \"none|button|button-arrow-down|button-arrow-next|button-arrow-previous|button-arrow-up|button-bevel|button-focus|caret|checkbox|checkbox-container|checkbox-label|checkmenuitem|dualbutton|groupbox|listbox|listitem|menuarrow|menubar|menucheckbox|menuimage|menuitem|menuitemtext|menulist|menulist-button|menulist-text|menulist-textfield|menupopup|menuradio|menuseparator|meterbar|meterchunk|progressbar|progressbar-vertical|progresschunk|progresschunk-vertical|radio|radio-container|radio-label|radiomenuitem|range|range-thumb|resizer|resizerpanel|scale-horizontal|scalethumbend|scalethumb-horizontal|scalethumbstart|scalethumbtick|scalethumb-vertical|scale-vertical|scrollbarbutton-down|scrollbarbutton-left|scrollbarbutton-right|scrollbarbutton-up|scrollbarthumb-horizontal|scrollbarthumb-vertical|scrollbartrack-horizontal|scrollbartrack-vertical|searchfield|separator|sheet|spinner|spinner-downbutton|spinner-textfield|spinner-upbutton|splitter|statusbar|statusbarpanel|tab|tabpanel|tabpanels|tab-scroll-arrow-back|tab-scroll-arrow-forward|textfield|textfield-multiline|toolbar|toolbarbutton|toolbarbutton-dropdown|toolbargripper|toolbox|tooltip|treeheader|treeheadercell|treeheadersortarrow|treeitem|treeline|treetwisty|treetwistyopen|treeview|-moz-mac-unified-toolbar|-moz-win-borderless-glass|-moz-win-browsertabbar-toolbox|-moz-win-communicationstext|-moz-win-communications-toolbox|-moz-win-exclude-glass|-moz-win-glass|-moz-win-mediatext|-moz-win-media-toolbox|-moz-window-button-box|-moz-window-button-box-maximized|-moz-window-button-close|-moz-window-button-maximize|-moz-window-button-minimize|-moz-window-button-restore|-moz-window-frame-bottom|-moz-window-frame-left|-moz-window-frame-right|-moz-window-titlebar|-moz-window-titlebar-maximized\",\n \"-moz-binding\": \"<url>|none\",\n \"-moz-border-bottom-colors\": \"<color>+|none\",\n \"-moz-border-left-colors\": \"<color>+|none\",\n \"-moz-border-right-colors\": \"<color>+|none\",\n \"-moz-border-top-colors\": \"<color>+|none\",\n \"-moz-context-properties\": \"none|[fill|fill-opacity|stroke|stroke-opacity]#\",\n \"-moz-float-edge\": \"border-box|content-box|margin-box|padding-box\",\n \"-moz-force-broken-image-icon\": \"0|1\",\n \"-moz-image-region\": \"<shape>|auto\",\n \"-moz-orient\": \"inline|block|horizontal|vertical\",\n \"-moz-outline-radius\": \"<outline-radius>{1,4} [/ <outline-radius>{1,4}]?\",\n \"-moz-outline-radius-bottomleft\": \"<outline-radius>\",\n \"-moz-outline-radius-bottomright\": \"<outline-radius>\",\n \"-moz-outline-radius-topleft\": \"<outline-radius>\",\n \"-moz-outline-radius-topright\": \"<outline-radius>\",\n \"-moz-stack-sizing\": \"ignore|stretch-to-fit\",\n \"-moz-text-blink\": \"none|blink\",\n \"-moz-user-focus\": \"ignore|normal|select-after|select-before|select-menu|select-same|select-all|none\",\n \"-moz-user-input\": \"auto|none|enabled|disabled\",\n \"-moz-user-modify\": \"read-only|read-write|write-only\",\n \"-moz-window-dragging\": \"drag|no-drag\",\n \"-moz-window-shadow\": \"default|menu|tooltip|sheet|none\",\n \"-webkit-appearance\": \"none|button|button-bevel|caps-lock-indicator|caret|checkbox|default-button|inner-spin-button|listbox|listitem|media-controls-background|media-controls-fullscreen-background|media-current-time-display|media-enter-fullscreen-button|media-exit-fullscreen-button|media-fullscreen-button|media-mute-button|media-overlay-play-button|media-play-button|media-seek-back-button|media-seek-forward-button|media-slider|media-sliderthumb|media-time-remaining-display|media-toggle-closed-captions-button|media-volume-slider|media-volume-slider-container|media-volume-sliderthumb|menulist|menulist-button|menulist-text|menulist-textfield|meter|progress-bar|progress-bar-value|push-button|radio|scrollbarbutton-down|scrollbarbutton-left|scrollbarbutton-right|scrollbarbutton-up|scrollbargripper-horizontal|scrollbargripper-vertical|scrollbarthumb-horizontal|scrollbarthumb-vertical|scrollbartrack-horizontal|scrollbartrack-vertical|searchfield|searchfield-cancel-button|searchfield-decoration|searchfield-results-button|searchfield-results-decoration|slider-horizontal|slider-vertical|sliderthumb-horizontal|sliderthumb-vertical|square-button|textarea|textfield|-apple-pay-button\",\n \"-webkit-border-before\": \"<'border-width'>||<'border-style'>||<color>\",\n \"-webkit-border-before-color\": \"<color>\",\n \"-webkit-border-before-style\": \"<'border-style'>\",\n \"-webkit-border-before-width\": \"<'border-width'>\",\n \"-webkit-box-reflect\": \"[above|below|right|left]? <length>? <image>?\",\n \"-webkit-line-clamp\": \"none|<integer>\",\n \"-webkit-mask\": \"[<mask-reference>||<position> [/ <bg-size>]?||<repeat-style>||[<box>|border|padding|content|text]||[<box>|border|padding|content]]#\",\n \"-webkit-mask-attachment\": \"<attachment>#\",\n \"-webkit-mask-clip\": \"[<box>|border|padding|content|text]#\",\n \"-webkit-mask-composite\": \"<composite-style>#\",\n \"-webkit-mask-image\": \"<mask-reference>#\",\n \"-webkit-mask-origin\": \"[<box>|border|padding|content]#\",\n \"-webkit-mask-position\": \"<position>#\",\n \"-webkit-mask-position-x\": \"[<length-percentage>|left|center|right]#\",\n \"-webkit-mask-position-y\": \"[<length-percentage>|top|center|bottom]#\",\n \"-webkit-mask-repeat\": \"<repeat-style>#\",\n \"-webkit-mask-repeat-x\": \"repeat|no-repeat|space|round\",\n \"-webkit-mask-repeat-y\": \"repeat|no-repeat|space|round\",\n \"-webkit-mask-size\": \"<bg-size>#\",\n \"-webkit-overflow-scrolling\": \"auto|touch\",\n \"-webkit-tap-highlight-color\": \"<color>\",\n \"-webkit-text-fill-color\": \"<color>\",\n \"-webkit-text-stroke\": \"<length>||<color>\",\n \"-webkit-text-stroke-color\": \"<color>\",\n \"-webkit-text-stroke-width\": \"<length>\",\n \"-webkit-touch-callout\": \"default|none\",\n \"-webkit-user-modify\": \"read-only|read-write|read-write-plaintext-only\",\n \"accent-color\": \"auto|<color>\",\n \"align-content\": \"normal|<baseline-position>|<content-distribution>|<overflow-position>? <content-position>\",\n \"align-items\": \"normal|stretch|<baseline-position>|[<overflow-position>? <self-position>]\",\n \"align-self\": \"auto|normal|stretch|<baseline-position>|<overflow-position>? <self-position>\",\n \"align-tracks\": \"[normal|<baseline-position>|<content-distribution>|<overflow-position>? <content-position>]#\",\n \"all\": \"initial|inherit|unset|revert|revert-layer\",\n \"animation\": \"<single-animation>#\",\n \"animation-delay\": \"<time>#\",\n \"animation-direction\": \"<single-animation-direction>#\",\n \"animation-duration\": \"<time>#\",\n \"animation-fill-mode\": \"<single-animation-fill-mode>#\",\n \"animation-iteration-count\": \"<single-animation-iteration-count>#\",\n \"animation-name\": \"[none|<keyframes-name>]#\",\n \"animation-play-state\": \"<single-animation-play-state>#\",\n \"animation-timing-function\": \"<easing-function>#\",\n \"animation-timeline\": \"<single-animation-timeline>#\",\n \"appearance\": \"none|auto|textfield|menulist-button|<compat-auto>\",\n \"aspect-ratio\": \"auto|<ratio>\",\n \"azimuth\": \"<angle>|[[left-side|far-left|left|center-left|center|center-right|right|far-right|right-side]||behind]|leftwards|rightwards\",\n \"backdrop-filter\": \"none|<filter-function-list>\",\n \"backface-visibility\": \"visible|hidden\",\n \"background\": \"[<bg-layer> ,]* <final-bg-layer>\",\n \"background-attachment\": \"<attachment>#\",\n \"background-blend-mode\": \"<blend-mode>#\",\n \"background-clip\": \"<bg-clip>#\",\n \"background-color\": \"<color>\",\n \"background-image\": \"<bg-image>#\",\n \"background-origin\": \"<box>#\",\n \"background-position\": \"<bg-position>#\",\n \"background-position-x\": \"[center|[[left|right|x-start|x-end]? <length-percentage>?]!]#\",\n \"background-position-y\": \"[center|[[top|bottom|y-start|y-end]? <length-percentage>?]!]#\",\n \"background-repeat\": \"<repeat-style>#\",\n \"background-size\": \"<bg-size>#\",\n \"block-overflow\": \"clip|ellipsis|<string>\",\n \"block-size\": \"<'width'>\",\n \"border\": \"<line-width>||<line-style>||<color>\",\n \"border-block\": \"<'border-top-width'>||<'border-top-style'>||<color>\",\n \"border-block-color\": \"<'border-top-color'>{1,2}\",\n \"border-block-style\": \"<'border-top-style'>\",\n \"border-block-width\": \"<'border-top-width'>\",\n \"border-block-end\": \"<'border-top-width'>||<'border-top-style'>||<color>\",\n \"border-block-end-color\": \"<'border-top-color'>\",\n \"border-block-end-style\": \"<'border-top-style'>\",\n \"border-block-end-width\": \"<'border-top-width'>\",\n \"border-block-start\": \"<'border-top-width'>||<'border-top-style'>||<color>\",\n \"border-block-start-color\": \"<'border-top-color'>\",\n \"border-block-start-style\": \"<'border-top-style'>\",\n \"border-block-start-width\": \"<'border-top-width'>\",\n \"border-bottom\": \"<line-width>||<line-style>||<color>\",\n \"border-bottom-color\": \"<'border-top-color'>\",\n \"border-bottom-left-radius\": \"<length-percentage>{1,2}\",\n \"border-bottom-right-radius\": \"<length-percentage>{1,2}\",\n \"border-bottom-style\": \"<line-style>\",\n \"border-bottom-width\": \"<line-width>\",\n \"border-collapse\": \"collapse|separate\",\n \"border-color\": \"<color>{1,4}\",\n \"border-end-end-radius\": \"<length-percentage>{1,2}\",\n \"border-end-start-radius\": \"<length-percentage>{1,2}\",\n \"border-image\": \"<'border-image-source'>||<'border-image-slice'> [/ <'border-image-width'>|/ <'border-image-width'>? / <'border-image-outset'>]?||<'border-image-repeat'>\",\n \"border-image-outset\": \"[<length>|<number>]{1,4}\",\n \"border-image-repeat\": \"[stretch|repeat|round|space]{1,2}\",\n \"border-image-slice\": \"<number-percentage>{1,4}&&fill?\",\n \"border-image-source\": \"none|<image>\",\n \"border-image-width\": \"[<length-percentage>|<number>|auto]{1,4}\",\n \"border-inline\": \"<'border-top-width'>||<'border-top-style'>||<color>\",\n \"border-inline-end\": \"<'border-top-width'>||<'border-top-style'>||<color>\",\n \"border-inline-color\": \"<'border-top-color'>{1,2}\",\n \"border-inline-style\": \"<'border-top-style'>\",\n \"border-inline-width\": \"<'border-top-width'>\",\n \"border-inline-end-color\": \"<'border-top-color'>\",\n \"border-inline-end-style\": \"<'border-top-style'>\",\n \"border-inline-end-width\": \"<'border-top-width'>\",\n \"border-inline-start\": \"<'border-top-width'>||<'border-top-style'>||<color>\",\n \"border-inline-start-color\": \"<'border-top-color'>\",\n \"border-inline-start-style\": \"<'border-top-style'>\",\n \"border-inline-start-width\": \"<'border-top-width'>\",\n \"border-left\": \"<line-width>||<line-style>||<color>\",\n \"border-left-color\": \"<color>\",\n \"border-left-style\": \"<line-style>\",\n \"border-left-width\": \"<line-width>\",\n \"border-radius\": \"<length-percentage>{1,4} [/ <length-percentage>{1,4}]?\",\n \"border-right\": \"<line-width>||<line-style>||<color>\",\n \"border-right-color\": \"<color>\",\n \"border-right-style\": \"<line-style>\",\n \"border-right-width\": \"<line-width>\",\n \"border-spacing\": \"<length> <length>?\",\n \"border-start-end-radius\": \"<length-percentage>{1,2}\",\n \"border-start-start-radius\": \"<length-percentage>{1,2}\",\n \"border-style\": \"<line-style>{1,4}\",\n \"border-top\": \"<line-width>||<line-style>||<color>\",\n \"border-top-color\": \"<color>\",\n \"border-top-left-radius\": \"<length-percentage>{1,2}\",\n \"border-top-right-radius\": \"<length-percentage>{1,2}\",\n \"border-top-style\": \"<line-style>\",\n \"border-top-width\": \"<line-width>\",\n \"border-width\": \"<line-width>{1,4}\",\n \"bottom\": \"<length>|<percentage>|auto\",\n \"box-align\": \"start|center|end|baseline|stretch\",\n \"box-decoration-break\": \"slice|clone\",\n \"box-direction\": \"normal|reverse|inherit\",\n \"box-flex\": \"<number>\",\n \"box-flex-group\": \"<integer>\",\n \"box-lines\": \"single|multiple\",\n \"box-ordinal-group\": \"<integer>\",\n \"box-orient\": \"horizontal|vertical|inline-axis|block-axis|inherit\",\n \"box-pack\": \"start|center|end|justify\",\n \"box-shadow\": \"none|<shadow>#\",\n \"box-sizing\": \"content-box|border-box\",\n \"break-after\": \"auto|avoid|always|all|avoid-page|page|left|right|recto|verso|avoid-column|column|avoid-region|region\",\n \"break-before\": \"auto|avoid|always|all|avoid-page|page|left|right|recto|verso|avoid-column|column|avoid-region|region\",\n \"break-inside\": \"auto|avoid|avoid-page|avoid-column|avoid-region\",\n \"caption-side\": \"top|bottom|block-start|block-end|inline-start|inline-end\",\n \"caret-color\": \"auto|<color>\",\n \"clear\": \"none|left|right|both|inline-start|inline-end\",\n \"clip\": \"<shape>|auto\",\n \"clip-path\": \"<clip-source>|[<basic-shape>||<geometry-box>]|none\",\n \"color\": \"<color>\",\n \"print-color-adjust\": \"economy|exact\",\n \"color-scheme\": \"normal|[light|dark|<custom-ident>]+&&only?\",\n \"column-count\": \"<integer>|auto\",\n \"column-fill\": \"auto|balance|balance-all\",\n \"column-gap\": \"normal|<length-percentage>\",\n \"column-rule\": \"<'column-rule-width'>||<'column-rule-style'>||<'column-rule-color'>\",\n \"column-rule-color\": \"<color>\",\n \"column-rule-style\": \"<'border-style'>\",\n \"column-rule-width\": \"<'border-width'>\",\n \"column-span\": \"none|all\",\n \"column-width\": \"<length>|auto\",\n \"columns\": \"<'column-width'>||<'column-count'>\",\n \"contain\": \"none|strict|content|[size||layout||style||paint]\",\n \"content\": \"normal|none|[<content-replacement>|<content-list>] [/ [<string>|<counter>]+]?\",\n \"content-visibility\": \"visible|auto|hidden\",\n \"counter-increment\": \"[<counter-name> <integer>?]+|none\",\n \"counter-reset\": \"[<counter-name> <integer>?|<reversed-counter-name> <integer>?]+|none\",\n \"counter-set\": \"[<counter-name> <integer>?]+|none\",\n \"cursor\": \"[[<url> [<x> <y>]? ,]* [auto|default|none|context-menu|help|pointer|progress|wait|cell|crosshair|text|vertical-text|alias|copy|move|no-drop|not-allowed|e-resize|n-resize|ne-resize|nw-resize|s-resize|se-resize|sw-resize|w-resize|ew-resize|ns-resize|nesw-resize|nwse-resize|col-resize|row-resize|all-scroll|zoom-in|zoom-out|grab|grabbing|hand|-webkit-grab|-webkit-grabbing|-webkit-zoom-in|-webkit-zoom-out|-moz-grab|-moz-grabbing|-moz-zoom-in|-moz-zoom-out]]\",\n \"direction\": \"ltr|rtl\",\n \"display\": \"[<display-outside>||<display-inside>]|<display-listitem>|<display-internal>|<display-box>|<display-legacy>|<-non-standard-display>\",\n \"empty-cells\": \"show|hide\",\n \"filter\": \"none|<filter-function-list>|<-ms-filter-function-list>\",\n \"flex\": \"none|[<'flex-grow'> <'flex-shrink'>?||<'flex-basis'>]\",\n \"flex-basis\": \"content|<'width'>\",\n \"flex-direction\": \"row|row-reverse|column|column-reverse\",\n \"flex-flow\": \"<'flex-direction'>||<'flex-wrap'>\",\n \"flex-grow\": \"<number>\",\n \"flex-shrink\": \"<number>\",\n \"flex-wrap\": \"nowrap|wrap|wrap-reverse\",\n \"float\": \"left|right|none|inline-start|inline-end\",\n \"font\": \"[[<'font-style'>||<font-variant-css21>||<'font-weight'>||<'font-stretch'>]? <'font-size'> [/ <'line-height'>]? <'font-family'>]|caption|icon|menu|message-box|small-caption|status-bar\",\n \"font-family\": \"[<family-name>|<generic-family>]#\",\n \"font-feature-settings\": \"normal|<feature-tag-value>#\",\n \"font-kerning\": \"auto|normal|none\",\n \"font-language-override\": \"normal|<string>\",\n \"font-optical-sizing\": \"auto|none\",\n \"font-variation-settings\": \"normal|[<string> <number>]#\",\n \"font-size\": \"<absolute-size>|<relative-size>|<length-percentage>\",\n \"font-size-adjust\": \"none|[ex-height|cap-height|ch-width|ic-width|ic-height]? [from-font|<number>]\",\n \"font-smooth\": \"auto|never|always|<absolute-size>|<length>\",\n \"font-stretch\": \"<font-stretch-absolute>\",\n \"font-style\": \"normal|italic|oblique <angle>?\",\n \"font-synthesis\": \"none|[weight||style||small-caps]\",\n \"font-variant\": \"normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>||stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )||[small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps]||<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero||<east-asian-variant-values>||<east-asian-width-values>||ruby]\",\n \"font-variant-alternates\": \"normal|[stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )]\",\n \"font-variant-caps\": \"normal|small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps\",\n \"font-variant-east-asian\": \"normal|[<east-asian-variant-values>||<east-asian-width-values>||ruby]\",\n \"font-variant-ligatures\": \"normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>]\",\n \"font-variant-numeric\": \"normal|[<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero]\",\n \"font-variant-position\": \"normal|sub|super\",\n \"font-weight\": \"<font-weight-absolute>|bolder|lighter\",\n \"forced-color-adjust\": \"auto|none\",\n \"gap\": \"<'row-gap'> <'column-gap'>?\",\n \"grid\": \"<'grid-template'>|<'grid-template-rows'> / [auto-flow&&dense?] <'grid-auto-columns'>?|[auto-flow&&dense?] <'grid-auto-rows'>? / <'grid-template-columns'>\",\n \"grid-area\": \"<grid-line> [/ <grid-line>]{0,3}\",\n \"grid-auto-columns\": \"<track-size>+\",\n \"grid-auto-flow\": \"[row|column]||dense\",\n \"grid-auto-rows\": \"<track-size>+\",\n \"grid-column\": \"<grid-line> [/ <grid-line>]?\",\n \"grid-column-end\": \"<grid-line>\",\n \"grid-column-gap\": \"<length-percentage>\",\n \"grid-column-start\": \"<grid-line>\",\n \"grid-gap\": \"<'grid-row-gap'> <'grid-column-gap'>?\",\n \"grid-row\": \"<grid-line> [/ <grid-line>]?\",\n \"grid-row-end\": \"<grid-line>\",\n \"grid-row-gap\": \"<length-percentage>\",\n \"grid-row-start\": \"<grid-line>\",\n \"grid-template\": \"none|[<'grid-template-rows'> / <'grid-template-columns'>]|[<line-names>? <string> <track-size>? <line-names>?]+ [/ <explicit-track-list>]?\",\n \"grid-template-areas\": \"none|<string>+\",\n \"grid-template-columns\": \"none|<track-list>|<auto-track-list>|subgrid <line-name-list>?\",\n \"grid-template-rows\": \"none|<track-list>|<auto-track-list>|subgrid <line-name-list>?\",\n \"hanging-punctuation\": \"none|[first||[force-end|allow-end]||last]\",\n \"height\": \"auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )\",\n \"hyphenate-character\": \"auto|<string>\",\n \"hyphens\": \"none|manual|auto\",\n \"image-orientation\": \"from-image|<angle>|[<angle>? flip]\",\n \"image-rendering\": \"auto|crisp-edges|pixelated|optimizeSpeed|optimizeQuality|<-non-standard-image-rendering>\",\n \"image-resolution\": \"[from-image||<resolution>]&&snap?\",\n \"ime-mode\": \"auto|normal|active|inactive|disabled\",\n \"initial-letter\": \"normal|[<number> <integer>?]\",\n \"initial-letter-align\": \"[auto|alphabetic|hanging|ideographic]\",\n \"inline-size\": \"<'width'>\",\n \"input-security\": \"auto|none\",\n \"inset\": \"<'top'>{1,4}\",\n \"inset-block\": \"<'top'>{1,2}\",\n \"inset-block-end\": \"<'top'>\",\n \"inset-block-start\": \"<'top'>\",\n \"inset-inline\": \"<'top'>{1,2}\",\n \"inset-inline-end\": \"<'top'>\",\n \"inset-inline-start\": \"<'top'>\",\n \"isolation\": \"auto|isolate\",\n \"justify-content\": \"normal|<content-distribution>|<overflow-position>? [<content-position>|left|right]\",\n \"justify-items\": \"normal|stretch|<baseline-position>|<overflow-position>? [<self-position>|left|right]|legacy|legacy&&[left|right|center]\",\n \"justify-self\": \"auto|normal|stretch|<baseline-position>|<overflow-position>? [<self-position>|left|right]\",\n \"justify-tracks\": \"[normal|<content-distribution>|<overflow-position>? [<content-position>|left|right]]#\",\n \"left\": \"<length>|<percentage>|auto\",\n \"letter-spacing\": \"normal|<length-percentage>\",\n \"line-break\": \"auto|loose|normal|strict|anywhere\",\n \"line-clamp\": \"none|<integer>\",\n \"line-height\": \"normal|<number>|<length>|<percentage>\",\n \"line-height-step\": \"<length>\",\n \"list-style\": \"<'list-style-type'>||<'list-style-position'>||<'list-style-image'>\",\n \"list-style-image\": \"<image>|none\",\n \"list-style-position\": \"inside|outside\",\n \"list-style-type\": \"<counter-style>|<string>|none\",\n \"margin\": \"[<length>|<percentage>|auto]{1,4}\",\n \"margin-block\": \"<'margin-left'>{1,2}\",\n \"margin-block-end\": \"<'margin-left'>\",\n \"margin-block-start\": \"<'margin-left'>\",\n \"margin-bottom\": \"<length>|<percentage>|auto\",\n \"margin-inline\": \"<'margin-left'>{1,2}\",\n \"margin-inline-end\": \"<'margin-left'>\",\n \"margin-inline-start\": \"<'margin-left'>\",\n \"margin-left\": \"<length>|<percentage>|auto\",\n \"margin-right\": \"<length>|<percentage>|auto\",\n \"margin-top\": \"<length>|<percentage>|auto\",\n \"margin-trim\": \"none|in-flow|all\",\n \"mask\": \"<mask-layer>#\",\n \"mask-border\": \"<'mask-border-source'>||<'mask-border-slice'> [/ <'mask-border-width'>? [/ <'mask-border-outset'>]?]?||<'mask-border-repeat'>||<'mask-border-mode'>\",\n \"mask-border-mode\": \"luminance|alpha\",\n \"mask-border-outset\": \"[<length>|<number>]{1,4}\",\n \"mask-border-repeat\": \"[stretch|repeat|round|space]{1,2}\",\n \"mask-border-slice\": \"<number-percentage>{1,4} fill?\",\n \"mask-border-source\": \"none|<image>\",\n \"mask-border-width\": \"[<length-percentage>|<number>|auto]{1,4}\",\n \"mask-clip\": \"[<geometry-box>|no-clip]#\",\n \"mask-composite\": \"<compositing-operator>#\",\n \"mask-image\": \"<mask-reference>#\",\n \"mask-mode\": \"<masking-mode>#\",\n \"mask-origin\": \"<geometry-box>#\",\n \"mask-position\": \"<position>#\",\n \"mask-repeat\": \"<repeat-style>#\",\n \"mask-size\": \"<bg-size>#\",\n \"mask-type\": \"luminance|alpha\",\n \"masonry-auto-flow\": \"[pack|next]||[definite-first|ordered]\",\n \"math-style\": \"normal|compact\",\n \"max-block-size\": \"<'max-width'>\",\n \"max-height\": \"none|<length-percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )\",\n \"max-inline-size\": \"<'max-width'>\",\n \"max-lines\": \"none|<integer>\",\n \"max-width\": \"none|<length-percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|<-non-standard-width>\",\n \"min-block-size\": \"<'min-width'>\",\n \"min-height\": \"auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )\",\n \"min-inline-size\": \"<'min-width'>\",\n \"min-width\": \"auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|<-non-standard-width>\",\n \"mix-blend-mode\": \"<blend-mode>|plus-lighter\",\n \"object-fit\": \"fill|contain|cover|none|scale-down\",\n \"object-position\": \"<position>\",\n \"offset\": \"[<'offset-position'>? [<'offset-path'> [<'offset-distance'>||<'offset-rotate'>]?]?]! [/ <'offset-anchor'>]?\",\n \"offset-anchor\": \"auto|<position>\",\n \"offset-distance\": \"<length-percentage>\",\n \"offset-path\": \"none|ray( [<angle>&&<size>&&contain?] )|<path()>|<url>|[<basic-shape>||<geometry-box>]\",\n \"offset-position\": \"auto|<position>\",\n \"offset-rotate\": \"[auto|reverse]||<angle>\",\n \"opacity\": \"<alpha-value>\",\n \"order\": \"<integer>\",\n \"orphans\": \"<integer>\",\n \"outline\": \"[<'outline-color'>||<'outline-style'>||<'outline-width'>]\",\n \"outline-color\": \"<color>|invert\",\n \"outline-offset\": \"<length>\",\n \"outline-style\": \"auto|<'border-style'>\",\n \"outline-width\": \"<line-width>\",\n \"overflow\": \"[visible|hidden|clip|scroll|auto]{1,2}|<-non-standard-overflow>\",\n \"overflow-anchor\": \"auto|none\",\n \"overflow-block\": \"visible|hidden|clip|scroll|auto\",\n \"overflow-clip-box\": \"padding-box|content-box\",\n \"overflow-clip-margin\": \"<visual-box>||<length [0,∞]>\",\n \"overflow-inline\": \"visible|hidden|clip|scroll|auto\",\n \"overflow-wrap\": \"normal|break-word|anywhere\",\n \"overflow-x\": \"visible|hidden|clip|scroll|auto\",\n \"overflow-y\": \"visible|hidden|clip|scroll|auto\",\n \"overscroll-behavior\": \"[contain|none|auto]{1,2}\",\n \"overscroll-behavior-block\": \"contain|none|auto\",\n \"overscroll-behavior-inline\": \"contain|none|auto\",\n \"overscroll-behavior-x\": \"contain|none|auto\",\n \"overscroll-behavior-y\": \"contain|none|auto\",\n \"padding\": \"[<length>|<percentage>]{1,4}\",\n \"padding-block\": \"<'padding-left'>{1,2}\",\n \"padding-block-end\": \"<'padding-left'>\",\n \"padding-block-start\": \"<'padding-left'>\",\n \"padding-bottom\": \"<length>|<percentage>\",\n \"padding-inline\": \"<'padding-left'>{1,2}\",\n \"padding-inline-end\": \"<'padding-left'>\",\n \"padding-inline-start\": \"<'padding-left'>\",\n \"padding-left\": \"<length>|<percentage>\",\n \"padding-right\": \"<length>|<percentage>\",\n \"padding-top\": \"<length>|<percentage>\",\n \"page-break-after\": \"auto|always|avoid|left|right|recto|verso\",\n \"page-break-before\": \"auto|always|avoid|left|right|recto|verso\",\n \"page-break-inside\": \"auto|avoid\",\n \"paint-order\": \"normal|[fill||stroke||markers]\",\n \"perspective\": \"none|<length>\",\n \"perspective-origin\": \"<position>\",\n \"place-content\": \"<'align-content'> <'justify-content'>?\",\n \"place-items\": \"<'align-items'> <'justify-items'>?\",\n \"place-self\": \"<'align-self'> <'justify-self'>?\",\n \"pointer-events\": \"auto|none|visiblePainted|visibleFill|visibleStroke|visible|painted|fill|stroke|all|inherit\",\n \"position\": \"static|relative|absolute|sticky|fixed|-webkit-sticky\",\n \"quotes\": \"none|auto|[<string> <string>]+\",\n \"resize\": \"none|both|horizontal|vertical|block|inline\",\n \"right\": \"<length>|<percentage>|auto\",\n \"rotate\": \"none|<angle>|[x|y|z|<number>{3}]&&<angle>\",\n \"row-gap\": \"normal|<length-percentage>\",\n \"ruby-align\": \"start|center|space-between|space-around\",\n \"ruby-merge\": \"separate|collapse|auto\",\n \"ruby-position\": \"[alternate||[over|under]]|inter-character\",\n \"scale\": \"none|<number>{1,3}\",\n \"scrollbar-color\": \"auto|<color>{2}\",\n \"scrollbar-gutter\": \"auto|stable&&both-edges?\",\n \"scrollbar-width\": \"auto|thin|none\",\n \"scroll-behavior\": \"auto|smooth\",\n \"scroll-margin\": \"<length>{1,4}\",\n \"scroll-margin-block\": \"<length>{1,2}\",\n \"scroll-margin-block-start\": \"<length>\",\n \"scroll-margin-block-end\": \"<length>\",\n \"scroll-margin-bottom\": \"<length>\",\n \"scroll-margin-inline\": \"<length>{1,2}\",\n \"scroll-margin-inline-start\": \"<length>\",\n \"scroll-margin-inline-end\": \"<length>\",\n \"scroll-margin-left\": \"<length>\",\n \"scroll-margin-right\": \"<length>\",\n \"scroll-margin-top\": \"<length>\",\n \"scroll-padding\": \"[auto|<length-percentage>]{1,4}\",\n \"scroll-padding-block\": \"[auto|<length-percentage>]{1,2}\",\n \"scroll-padding-block-start\": \"auto|<length-percentage>\",\n \"scroll-padding-block-end\": \"auto|<length-percentage>\",\n \"scroll-padding-bottom\": \"auto|<length-percentage>\",\n \"scroll-padding-inline\": \"[auto|<length-percentage>]{1,2}\",\n \"scroll-padding-inline-start\": \"auto|<length-percentage>\",\n \"scroll-padding-inline-end\": \"auto|<length-percentage>\",\n \"scroll-padding-left\": \"auto|<length-percentage>\",\n \"scroll-padding-right\": \"auto|<length-percentage>\",\n \"scroll-padding-top\": \"auto|<length-percentage>\",\n \"scroll-snap-align\": \"[none|start|end|center]{1,2}\",\n \"scroll-snap-coordinate\": \"none|<position>#\",\n \"scroll-snap-destination\": \"<position>\",\n \"scroll-snap-points-x\": \"none|repeat( <length-percentage> )\",\n \"scroll-snap-points-y\": \"none|repeat( <length-percentage> )\",\n \"scroll-snap-stop\": \"normal|always\",\n \"scroll-snap-type\": \"none|[x|y|block|inline|both] [mandatory|proximity]?\",\n \"scroll-snap-type-x\": \"none|mandatory|proximity\",\n \"scroll-snap-type-y\": \"none|mandatory|proximity\",\n \"shape-image-threshold\": \"<alpha-value>\",\n \"shape-margin\": \"<length-percentage>\",\n \"shape-outside\": \"none|[<shape-box>||<basic-shape>]|<image>\",\n \"tab-size\": \"<integer>|<length>\",\n \"table-layout\": \"auto|fixed\",\n \"text-align\": \"start|end|left|right|center|justify|match-parent\",\n \"text-align-last\": \"auto|start|end|left|right|center|justify\",\n \"text-combine-upright\": \"none|all|[digits <integer>?]\",\n \"text-decoration\": \"<'text-decoration-line'>||<'text-decoration-style'>||<'text-decoration-color'>||<'text-decoration-thickness'>\",\n \"text-decoration-color\": \"<color>\",\n \"text-decoration-line\": \"none|[underline||overline||line-through||blink]|spelling-error|grammar-error\",\n \"text-decoration-skip\": \"none|[objects||[spaces|[leading-spaces||trailing-spaces]]||edges||box-decoration]\",\n \"text-decoration-skip-ink\": \"auto|all|none\",\n \"text-decoration-style\": \"solid|double|dotted|dashed|wavy\",\n \"text-decoration-thickness\": \"auto|from-font|<length>|<percentage>\",\n \"text-emphasis\": \"<'text-emphasis-style'>||<'text-emphasis-color'>\",\n \"text-emphasis-color\": \"<color>\",\n \"text-emphasis-position\": \"[over|under]&&[right|left]\",\n \"text-emphasis-style\": \"none|[[filled|open]||[dot|circle|double-circle|triangle|sesame]]|<string>\",\n \"text-indent\": \"<length-percentage>&&hanging?&&each-line?\",\n \"text-justify\": \"auto|inter-character|inter-word|none\",\n \"text-orientation\": \"mixed|upright|sideways\",\n \"text-overflow\": \"[clip|ellipsis|<string>]{1,2}\",\n \"text-rendering\": \"auto|optimizeSpeed|optimizeLegibility|geometricPrecision\",\n \"text-shadow\": \"none|<shadow-t>#\",\n \"text-size-adjust\": \"none|auto|<percentage>\",\n \"text-transform\": \"none|capitalize|uppercase|lowercase|full-width|full-size-kana\",\n \"text-underline-offset\": \"auto|<length>|<percentage>\",\n \"text-underline-position\": \"auto|from-font|[under||[left|right]]\",\n \"top\": \"<length>|<percentage>|auto\",\n \"touch-action\": \"auto|none|[[pan-x|pan-left|pan-right]||[pan-y|pan-up|pan-down]||pinch-zoom]|manipulation\",\n \"transform\": \"none|<transform-list>\",\n \"transform-box\": \"content-box|border-box|fill-box|stroke-box|view-box\",\n \"transform-origin\": \"[<length-percentage>|left|center|right|top|bottom]|[[<length-percentage>|left|center|right]&&[<length-percentage>|top|center|bottom]] <length>?\",\n \"transform-style\": \"flat|preserve-3d\",\n \"transition\": \"<single-transition>#\",\n \"transition-delay\": \"<time>#\",\n \"transition-duration\": \"<time>#\",\n \"transition-property\": \"none|<single-transition-property>#\",\n \"transition-timing-function\": \"<easing-function>#\",\n \"translate\": \"none|<length-percentage> [<length-percentage> <length>?]?\",\n \"unicode-bidi\": \"normal|embed|isolate|bidi-override|isolate-override|plaintext|-moz-isolate|-moz-isolate-override|-moz-plaintext|-webkit-isolate|-webkit-isolate-override|-webkit-plaintext\",\n \"user-select\": \"auto|text|none|contain|all\",\n \"vertical-align\": \"baseline|sub|super|text-top|text-bottom|middle|top|bottom|<percentage>|<length>\",\n \"visibility\": \"visible|hidden|collapse\",\n \"white-space\": \"normal|pre|nowrap|pre-wrap|pre-line|break-spaces\",\n \"widows\": \"<integer>\",\n \"width\": \"auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|fill|stretch|intrinsic|-moz-max-content|-webkit-max-content|-moz-fit-content|-webkit-fit-content\",\n \"will-change\": \"auto|<animateable-feature>#\",\n \"word-break\": \"normal|break-all|keep-all|break-word\",\n \"word-spacing\": \"normal|<length>\",\n \"word-wrap\": \"normal|break-word\",\n \"writing-mode\": \"horizontal-tb|vertical-rl|vertical-lr|sideways-rl|sideways-lr|<svg-writing-mode>\",\n \"z-index\": \"auto|<integer>\",\n \"zoom\": \"normal|reset|<number>|<percentage>\",\n \"-moz-background-clip\": \"padding|border\",\n \"-moz-border-radius-bottomleft\": \"<'border-bottom-left-radius'>\",\n \"-moz-border-radius-bottomright\": \"<'border-bottom-right-radius'>\",\n \"-moz-border-radius-topleft\": \"<'border-top-left-radius'>\",\n \"-moz-border-radius-topright\": \"<'border-bottom-right-radius'>\",\n \"-moz-control-character-visibility\": \"visible|hidden\",\n \"-moz-osx-font-smoothing\": \"auto|grayscale\",\n \"-moz-user-select\": \"none|text|all|-moz-none\",\n \"-ms-flex-align\": \"start|end|center|baseline|stretch\",\n \"-ms-flex-item-align\": \"auto|start|end|center|baseline|stretch\",\n \"-ms-flex-line-pack\": \"start|end|center|justify|distribute|stretch\",\n \"-ms-flex-negative\": \"<'flex-shrink'>\",\n \"-ms-flex-pack\": \"start|end|center|justify|distribute\",\n \"-ms-flex-order\": \"<integer>\",\n \"-ms-flex-positive\": \"<'flex-grow'>\",\n \"-ms-flex-preferred-size\": \"<'flex-basis'>\",\n \"-ms-interpolation-mode\": \"nearest-neighbor|bicubic\",\n \"-ms-grid-column-align\": \"start|end|center|stretch\",\n \"-ms-grid-row-align\": \"start|end|center|stretch\",\n \"-ms-hyphenate-limit-last\": \"none|always|column|page|spread\",\n \"-webkit-background-clip\": \"[<box>|border|padding|content|text]#\",\n \"-webkit-column-break-after\": \"always|auto|avoid\",\n \"-webkit-column-break-before\": \"always|auto|avoid\",\n \"-webkit-column-break-inside\": \"always|auto|avoid\",\n \"-webkit-font-smoothing\": \"auto|none|antialiased|subpixel-antialiased\",\n \"-webkit-mask-box-image\": \"[<url>|<gradient>|none] [<length-percentage>{4} <-webkit-mask-box-repeat>{2}]?\",\n \"-webkit-print-color-adjust\": \"economy|exact\",\n \"-webkit-text-security\": \"none|circle|disc|square\",\n \"-webkit-user-drag\": \"none|element|auto\",\n \"-webkit-user-select\": \"auto|none|text|all\",\n \"alignment-baseline\": \"auto|baseline|before-edge|text-before-edge|middle|central|after-edge|text-after-edge|ideographic|alphabetic|hanging|mathematical\",\n \"baseline-shift\": \"baseline|sub|super|<svg-length>\",\n \"behavior\": \"<url>+\",\n \"clip-rule\": \"nonzero|evenodd\",\n \"cue\": \"<'cue-before'> <'cue-after'>?\",\n \"cue-after\": \"<url> <decibel>?|none\",\n \"cue-before\": \"<url> <decibel>?|none\",\n \"dominant-baseline\": \"auto|use-script|no-change|reset-size|ideographic|alphabetic|hanging|mathematical|central|middle|text-after-edge|text-before-edge\",\n \"fill\": \"<paint>\",\n \"fill-opacity\": \"<number-zero-one>\",\n \"fill-rule\": \"nonzero|evenodd\",\n \"glyph-orientation-horizontal\": \"<angle>\",\n \"glyph-orientation-vertical\": \"<angle>\",\n \"kerning\": \"auto|<svg-length>\",\n \"marker\": \"none|<url>\",\n \"marker-end\": \"none|<url>\",\n \"marker-mid\": \"none|<url>\",\n \"marker-start\": \"none|<url>\",\n \"pause\": \"<'pause-before'> <'pause-after'>?\",\n \"pause-after\": \"<time>|none|x-weak|weak|medium|strong|x-strong\",\n \"pause-before\": \"<time>|none|x-weak|weak|medium|strong|x-strong\",\n \"rest\": \"<'rest-before'> <'rest-after'>?\",\n \"rest-after\": \"<time>|none|x-weak|weak|medium|strong|x-strong\",\n \"rest-before\": \"<time>|none|x-weak|weak|medium|strong|x-strong\",\n \"shape-rendering\": \"auto|optimizeSpeed|crispEdges|geometricPrecision\",\n \"src\": \"[<url> [format( <string># )]?|local( <family-name> )]#\",\n \"speak\": \"auto|none|normal\",\n \"speak-as\": \"normal|spell-out||digits||[literal-punctuation|no-punctuation]\",\n \"stroke\": \"<paint>\",\n \"stroke-dasharray\": \"none|[<svg-length>+]#\",\n \"stroke-dashoffset\": \"<svg-length>\",\n \"stroke-linecap\": \"butt|round|square\",\n \"stroke-linejoin\": \"miter|round|bevel\",\n \"stroke-miterlimit\": \"<number-one-or-greater>\",\n \"stroke-opacity\": \"<number-zero-one>\",\n \"stroke-width\": \"<svg-length>\",\n \"text-anchor\": \"start|middle|end\",\n \"unicode-range\": \"<urange>#\",\n \"voice-balance\": \"<number>|left|center|right|leftwards|rightwards\",\n \"voice-duration\": \"auto|<time>\",\n \"voice-family\": \"[[<family-name>|<generic-voice>] ,]* [<family-name>|<generic-voice>]|preserve\",\n \"voice-pitch\": \"<frequency>&&absolute|[[x-low|low|medium|high|x-high]||[<frequency>|<semitones>|<percentage>]]\",\n \"voice-range\": \"<frequency>&&absolute|[[x-low|low|medium|high|x-high]||[<frequency>|<semitones>|<percentage>]]\",\n \"voice-rate\": \"[normal|x-slow|slow|medium|fast|x-fast]||<percentage>\",\n \"voice-stress\": \"normal|strong|moderate|none|reduced\",\n \"voice-volume\": \"silent|[[x-soft|soft|medium|loud|x-loud]||<decibel>]\"\n },\n \"atrules\": {\n \"charset\": {\n \"prelude\": \"<string>\",\n \"descriptors\": null\n },\n \"counter-style\": {\n \"prelude\": \"<counter-style-name>\",\n \"descriptors\": {\n \"additive-symbols\": \"[<integer>&&<symbol>]#\",\n \"fallback\": \"<counter-style-name>\",\n \"negative\": \"<symbol> <symbol>?\",\n \"pad\": \"<integer>&&<symbol>\",\n \"prefix\": \"<symbol>\",\n \"range\": \"[[<integer>|infinite]{2}]#|auto\",\n \"speak-as\": \"auto|bullets|numbers|words|spell-out|<counter-style-name>\",\n \"suffix\": \"<symbol>\",\n \"symbols\": \"<symbol>+\",\n \"system\": \"cyclic|numeric|alphabetic|symbolic|additive|[fixed <integer>?]|[extends <counter-style-name>]\"\n }\n },\n \"document\": {\n \"prelude\": \"[<url>|url-prefix( <string> )|domain( <string> )|media-document( <string> )|regexp( <string> )]#\",\n \"descriptors\": null\n },\n \"font-face\": {\n \"prelude\": null,\n \"descriptors\": {\n \"ascent-override\": \"normal|<percentage>\",\n \"descent-override\": \"normal|<percentage>\",\n \"font-display\": \"[auto|block|swap|fallback|optional]\",\n \"font-family\": \"<family-name>\",\n \"font-feature-settings\": \"normal|<feature-tag-value>#\",\n \"font-variation-settings\": \"normal|[<string> <number>]#\",\n \"font-stretch\": \"<font-stretch-absolute>{1,2}\",\n \"font-style\": \"normal|italic|oblique <angle>{0,2}\",\n \"font-weight\": \"<font-weight-absolute>{1,2}\",\n \"font-variant\": \"normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>||stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )||[small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps]||<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero||<east-asian-variant-values>||<east-asian-width-values>||ruby]\",\n \"line-gap-override\": \"normal|<percentage>\",\n \"size-adjust\": \"<percentage>\",\n \"src\": \"[<url> [format( <string># )]?|local( <family-name> )]#\",\n \"unicode-range\": \"<urange>#\"\n }\n },\n \"font-feature-values\": {\n \"prelude\": \"<family-name>#\",\n \"descriptors\": null\n },\n \"import\": {\n \"prelude\": \"[<string>|<url>] [layer|layer( <layer-name> )]? [supports( [<supports-condition>|<declaration>] )]? <media-query-list>?\",\n \"descriptors\": null\n },\n \"keyframes\": {\n \"prelude\": \"<keyframes-name>\",\n \"descriptors\": null\n },\n \"layer\": {\n \"prelude\": \"[<layer-name>#|<layer-name>?]\",\n \"descriptors\": null\n },\n \"media\": {\n \"prelude\": \"<media-query-list>\",\n \"descriptors\": null\n },\n \"namespace\": {\n \"prelude\": \"<namespace-prefix>? [<string>|<url>]\",\n \"descriptors\": null\n },\n \"page\": {\n \"prelude\": \"<page-selector-list>\",\n \"descriptors\": {\n \"bleed\": \"auto|<length>\",\n \"marks\": \"none|[crop||cross]\",\n \"size\": \"<length>{1,2}|auto|[<page-size>||[portrait|landscape]]\"\n }\n },\n \"property\": {\n \"prelude\": \"<custom-property-name>\",\n \"descriptors\": {\n \"syntax\": \"<string>\",\n \"inherits\": \"true|false\",\n \"initial-value\": \"<string>\"\n }\n },\n \"scroll-timeline\": {\n \"prelude\": \"<timeline-name>\",\n \"descriptors\": null\n },\n \"supports\": {\n \"prelude\": \"<supports-condition>\",\n \"descriptors\": null\n },\n \"viewport\": {\n \"prelude\": null,\n \"descriptors\": {\n \"height\": \"<viewport-length>{1,2}\",\n \"max-height\": \"<viewport-length>\",\n \"max-width\": \"<viewport-length>\",\n \"max-zoom\": \"auto|<number>|<percentage>\",\n \"min-height\": \"<viewport-length>\",\n \"min-width\": \"<viewport-length>\",\n \"min-zoom\": \"auto|<number>|<percentage>\",\n \"orientation\": \"auto|portrait|landscape\",\n \"user-zoom\": \"zoom|fixed\",\n \"viewport-fit\": \"auto|contain|cover\",\n \"width\": \"<viewport-length>{1,2}\",\n \"zoom\": \"auto|<number>|<percentage>\"\n }\n }\n }\n};","import * as scope from '../scope/index.js';\nimport atrule from '../atrule/index.js';\nimport pseudo from '../pseudo/index.js';\nimport * as node from '../node/index-parse.js';\n\nexport default {\n parseContext: {\n default: 'StyleSheet',\n stylesheet: 'StyleSheet',\n atrule: 'Atrule',\n atrulePrelude(options) {\n return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);\n },\n mediaQueryList: 'MediaQueryList',\n mediaQuery: 'MediaQuery',\n rule: 'Rule',\n selectorList: 'SelectorList',\n selector: 'Selector',\n block() {\n return this.Block(true);\n },\n declarationList: 'DeclarationList',\n declaration: 'Declaration',\n value: 'Value'\n },\n scope,\n atrule,\n pseudo,\n node\n};\n","import fontFace from './font-face.js';\nimport importAtrule from './import.js';\nimport media from './media.js';\nimport page from './page.js';\nimport supports from './supports.js';\n\nexport default {\n 'font-face': fontFace,\n 'import': importAtrule,\n media,\n page,\n supports\n};\n","export default {\n parse: {\n prelude: null,\n block() {\n return this.Block(true);\n }\n }\n};\n","import {\n String as StringToken,\n Ident,\n Url,\n Function as FunctionToken,\n LeftParenthesis\n} from '../../tokenizer/index.js';\n\nexport default {\n parse: {\n prelude() {\n const children = this.createList();\n\n this.skipSC();\n\n switch (this.tokenType) {\n case StringToken:\n children.push(this.String());\n break;\n\n case Url:\n case FunctionToken:\n children.push(this.Url());\n break;\n\n default:\n this.error('String or url() is expected');\n }\n\n if (this.lookupNonWSType(0) === Ident ||\n this.lookupNonWSType(0) === LeftParenthesis) {\n children.push(this.MediaQueryList());\n }\n\n return children;\n },\n block: null\n }\n};\n","export default {\n parse: {\n prelude() {\n return this.createSingleNodeList(\n this.MediaQueryList()\n );\n },\n block() {\n return this.Block(false);\n }\n }\n};\n","export default {\n parse: {\n prelude() {\n return this.createSingleNodeList(\n this.SelectorList()\n );\n },\n block() {\n return this.Block(true);\n }\n }\n};\n","import * as node from '../node/index.js';\n\nexport default {\n node\n};\n","import syntax from './syntax/index.js';\n\nexport * from './version.js';\nexport { default as createSyntax } from './syntax/create.js';\nexport { List } from './utils/List.js';\nexport { Lexer } from './lexer/Lexer.js';\nexport { tokenTypes, tokenNames, TokenStream } from './tokenizer/index.js';\nexport * as definitionSyntax from './definition-syntax/index.js';\nexport { clone } from './utils/clone.js';\nexport * from './utils/names.js';\nexport * as ident from './utils/ident.js';\nexport * as string from './utils/string.js';\nexport * as url from './utils/url.js';\nexport const {\n tokenize,\n parse,\n generate,\n lexer,\n createLexer,\n\n walk,\n find,\n findLast,\n findAll,\n\n toPlainObject,\n fromPlainObject,\n\n fork\n} = syntax;\n","import { parse, walk, generate } from 'css-tree';\nimport EventEmitter from 'events';\n\nclass CSS extends EventEmitter {\n constructor(ctx) {\n super();\n this.ctx = ctx;\n this.meta = ctx.meta;\n this.parse = parse;\n this.walk = walk;\n this.generate = generate;\n }\n rewrite(str, options) {\n return this.recast(str, options, 'rewrite');\n }\n source(str, options) {\n return this.recast(str, options, 'source');\n }\n recast(str, options, type) {\n if (!str) return str;\n str = new String(str).toString();\n try {\n const ast = this.parse(str, {\n ...options,\n parseCustomProperty: true,\n });\n this.walk(ast, (node) => {\n this.emit(node.type, node, options, type);\n });\n return this.generate(ast);\n } catch (e) {\n return str;\n }\n }\n}\n\nexport default CSS;\n","const errorMessages = {\r\n [0]: 'Unexpected token',\r\n [28]: \"Unexpected token: '%0'\",\r\n [1]: 'Octal escape sequences are not allowed in strict mode',\r\n [2]: 'Octal escape sequences are not allowed in template strings',\r\n [3]: 'Unexpected token `#`',\r\n [4]: 'Illegal Unicode escape sequence',\r\n [5]: 'Invalid code point %0',\r\n [6]: 'Invalid hexadecimal escape sequence',\r\n [8]: 'Octal literals are not allowed in strict mode',\r\n [7]: 'Decimal integer literals with a leading zero are forbidden in strict mode',\r\n [9]: 'Expected number in radix %0',\r\n [146]: 'Invalid left-hand side assignment to a destructible right-hand side',\r\n [10]: 'Non-number found after exponent indicator',\r\n [11]: 'Invalid BigIntLiteral',\r\n [12]: 'No identifiers allowed directly after numeric literal',\r\n [13]: 'Escapes \\\\8 or \\\\9 are not syntactically valid escapes',\r\n [14]: 'Unterminated string literal',\r\n [15]: 'Unterminated template literal',\r\n [16]: 'Multiline comment was not closed properly',\r\n [17]: 'The identifier contained dynamic unicode escape that was not closed',\r\n [18]: \"Illegal character '%0'\",\r\n [19]: 'Missing hexadecimal digits',\r\n [20]: 'Invalid implicit octal',\r\n [21]: 'Invalid line break in string literal',\r\n [22]: 'Only unicode escapes are legal in identifier names',\r\n [23]: \"Expected '%0'\",\r\n [24]: 'Invalid left-hand side in assignment',\r\n [25]: 'Invalid left-hand side in async arrow',\r\n [26]: 'Calls to super must be in the \"constructor\" method of a class expression or class declaration that has a superclass',\r\n [27]: 'Member access on super must be in a method',\r\n [29]: 'Await expression not allowed in formal parameter',\r\n [30]: 'Yield expression not allowed in formal parameter',\r\n [93]: \"Unexpected token: 'escaped keyword'\",\r\n [31]: 'Unary expressions as the left operand of an exponentiation expression must be disambiguated with parentheses',\r\n [120]: 'Async functions can only be declared at the top level or inside a block',\r\n [32]: 'Unterminated regular expression',\r\n [33]: 'Unexpected regular expression flag',\r\n [34]: \"Duplicate regular expression flag '%0'\",\r\n [35]: '%0 functions must have exactly %1 argument%2',\r\n [36]: 'Setter function argument must not be a rest parameter',\r\n [37]: '%0 declaration must have a name in this context',\r\n [38]: 'Function name may not contain any reserved words or be eval or arguments in strict mode',\r\n [39]: 'The rest operator is missing an argument',\r\n [40]: 'A getter cannot be a generator',\r\n [41]: 'A setter cannot be a generator',\r\n [42]: 'A computed property name must be followed by a colon or paren',\r\n [131]: 'Object literal keys that are strings or numbers must be a method or have a colon',\r\n [44]: 'Found `* async x(){}` but this should be `async * x(){}`',\r\n [43]: 'Getters and setters can not be generators',\r\n [45]: \"'%0' can not be generator method\",\r\n [46]: \"No line break is allowed after '=>'\",\r\n [47]: 'The left-hand side of the arrow can only be destructed through assignment',\r\n [48]: 'The binding declaration is not destructible',\r\n [49]: 'Async arrow can not be followed by new expression',\r\n [50]: \"Classes may not have a static property named 'prototype'\",\r\n [51]: 'Class constructor may not be a %0',\r\n [52]: 'Duplicate constructor method in class',\r\n [53]: 'Invalid increment/decrement operand',\r\n [54]: 'Invalid use of `new` keyword on an increment/decrement expression',\r\n [55]: '`=>` is an invalid assignment target',\r\n [56]: 'Rest element may not have a trailing comma',\r\n [57]: 'Missing initializer in %0 declaration',\r\n [58]: \"'for-%0' loop head declarations can not have an initializer\",\r\n [59]: 'Invalid left-hand side in for-%0 loop: Must have a single binding',\r\n [60]: 'Invalid shorthand property initializer',\r\n [61]: 'Property name __proto__ appears more than once in object literal',\r\n [62]: 'Let is disallowed as a lexically bound name',\r\n [63]: \"Invalid use of '%0' inside new expression\",\r\n [64]: \"Illegal 'use strict' directive in function with non-simple parameter list\",\r\n [65]: 'Identifier \"let\" disallowed as left-hand side expression in strict mode',\r\n [66]: 'Illegal continue statement',\r\n [67]: 'Illegal break statement',\r\n [68]: 'Cannot have `let[...]` as a var name in strict mode',\r\n [69]: 'Invalid destructuring assignment target',\r\n [70]: 'Rest parameter may not have a default initializer',\r\n [71]: 'The rest argument must the be last parameter',\r\n [72]: 'Invalid rest argument',\r\n [74]: 'In strict mode code, functions can only be declared at top level or inside a block',\r\n [75]: 'In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement',\r\n [76]: 'Without web compatibility enabled functions can not be declared at top level, inside a block, or as the body of an if statement',\r\n [77]: \"Class declaration can't appear in single-statement context\",\r\n [78]: 'Invalid left-hand side in for-%0',\r\n [79]: 'Invalid assignment in for-%0',\r\n [80]: 'for await (... of ...) is only valid in async functions and async generators',\r\n [81]: 'The first token after the template expression should be a continuation of the template',\r\n [83]: '`let` declaration not allowed here and `let` cannot be a regular var name in strict mode',\r\n [82]: '`let \\n [` is a restricted production at the start of a statement',\r\n [84]: 'Catch clause requires exactly one parameter, not more (and no trailing comma)',\r\n [85]: 'Catch clause parameter does not support default values',\r\n [86]: 'Missing catch or finally after try',\r\n [87]: 'More than one default clause in switch statement',\r\n [88]: 'Illegal newline after throw',\r\n [89]: 'Strict mode code may not include a with statement',\r\n [90]: 'Illegal return statement',\r\n [91]: 'The left hand side of the for-header binding declaration is not destructible',\r\n [92]: 'new.target only allowed within functions',\r\n [94]: \"'#' not followed by identifier\",\r\n [100]: 'Invalid keyword',\r\n [99]: \"Can not use 'let' as a class name\",\r\n [98]: \"'A lexical declaration can't define a 'let' binding\",\r\n [97]: 'Can not use `let` as variable name in strict mode',\r\n [95]: \"'%0' may not be used as an identifier in this context\",\r\n [96]: 'Await is only valid in async functions',\r\n [101]: 'The %0 keyword can only be used with the module goal',\r\n [102]: 'Unicode codepoint must not be greater than 0x10FFFF',\r\n [103]: '%0 source must be string',\r\n [104]: 'Only a identifier can be used to indicate alias',\r\n [105]: \"Only '*' or '{...}' can be imported after default\",\r\n [106]: 'Trailing decorator may be followed by method',\r\n [107]: \"Decorators can't be used with a constructor\",\r\n [109]: 'HTML comments are only allowed with web compatibility (Annex B)',\r\n [110]: \"The identifier 'let' must not be in expression position in strict mode\",\r\n [111]: 'Cannot assign to `eval` and `arguments` in strict mode',\r\n [112]: \"The left-hand side of a for-of loop may not start with 'let'\",\r\n [113]: 'Block body arrows can not be immediately invoked without a group',\r\n [114]: 'Block body arrows can not be immediately accessed without a group',\r\n [115]: 'Unexpected strict mode reserved word',\r\n [116]: 'Unexpected eval or arguments in strict mode',\r\n [117]: 'Decorators must not be followed by a semicolon',\r\n [118]: 'Calling delete on expression not allowed in strict mode',\r\n [119]: 'Pattern can not have a tail',\r\n [121]: 'Can not have a `yield` expression on the left side of a ternary',\r\n [122]: 'An arrow function can not have a postfix update operator',\r\n [123]: 'Invalid object literal key character after generator star',\r\n [124]: 'Private fields can not be deleted',\r\n [126]: 'Classes may not have a field called constructor',\r\n [125]: 'Classes may not have a private element named constructor',\r\n [127]: 'A class field initializer may not contain arguments',\r\n [128]: 'Generators can only be declared at the top level or inside a block',\r\n [129]: 'Async methods are a restricted production and cannot have a newline following it',\r\n [130]: 'Unexpected character after object literal property name',\r\n [132]: 'Invalid key token',\r\n [133]: \"Label '%0' has already been declared\",\r\n [134]: 'continue statement must be nested within an iteration statement',\r\n [135]: \"Undefined label '%0'\",\r\n [136]: 'Trailing comma is disallowed inside import(...) arguments',\r\n [137]: 'import() requires exactly one argument',\r\n [138]: 'Cannot use new with import(...)',\r\n [139]: '... is not allowed in import()',\r\n [140]: \"Expected '=>'\",\r\n [141]: \"Duplicate binding '%0'\",\r\n [142]: \"Cannot export a duplicate name '%0'\",\r\n [145]: 'Duplicate %0 for-binding',\r\n [143]: \"Exported binding '%0' needs to refer to a top-level declared variable\",\r\n [144]: 'Unexpected private field',\r\n [148]: 'Numeric separators are not allowed at the end of numeric literals',\r\n [147]: 'Only one underscore is allowed as numeric separator',\r\n [149]: 'JSX value should be either an expression or a quoted JSX text',\r\n [150]: 'Expected corresponding JSX closing tag for %0',\r\n [151]: 'Adjacent JSX elements must be wrapped in an enclosing tag',\r\n [152]: \"JSX attributes must only be assigned a non-empty 'expression'\",\r\n [153]: \"'%0' has already been declared\",\r\n [154]: \"'%0' shadowed a catch clause binding\",\r\n [155]: 'Dot property must be an identifier',\r\n [156]: 'Encountered invalid input after spread/rest argument',\r\n [157]: 'Catch without try',\r\n [158]: 'Finally without try',\r\n [159]: 'Expected corresponding closing tag for JSX fragment',\r\n [160]: 'Coalescing and logical operators used together in the same expression must be disambiguated with parentheses',\r\n [161]: 'Invalid tagged template on optional chain',\r\n [162]: 'Invalid optional chain from super property',\r\n [163]: 'Invalid optional chain from new expression',\r\n [164]: 'Cannot use \"import.meta\" outside a module',\r\n [165]: 'Leading decorators must be attached to a class declaration'\r\n};\r\nclass ParseError extends SyntaxError {\r\n constructor(startindex, line, column, type, ...params) {\r\n const message = '[' + line + ':' + column + ']: ' + errorMessages[type].replace(/%(\\d+)/g, (_, i) => params[i]);\r\n super(`${message}`);\r\n this.index = startindex;\r\n this.line = line;\r\n this.column = column;\r\n this.description = message;\r\n this.loc = {\r\n line,\r\n column\r\n };\r\n }\r\n}\r\nfunction report(parser, type, ...params) {\r\n throw new ParseError(parser.index, parser.line, parser.column, type, ...params);\r\n}\r\nfunction reportScopeError(scope) {\r\n throw new ParseError(scope.index, scope.line, scope.column, scope.type, scope.params);\r\n}\r\nfunction reportMessageAt(index, line, column, type, ...params) {\r\n throw new ParseError(index, line, column, type, ...params);\r\n}\r\nfunction reportScannerError(index, line, column, type) {\r\n throw new ParseError(index, line, column, type);\r\n}\n\nconst unicodeLookup = ((compressed, lookup) => {\r\n const result = new Uint32Array(104448);\r\n let index = 0;\r\n let subIndex = 0;\r\n while (index < 3540) {\r\n const inst = compressed[index++];\r\n if (inst < 0) {\r\n subIndex -= inst;\r\n }\r\n else {\r\n let code = compressed[index++];\r\n if (inst & 2)\r\n code = lookup[code];\r\n if (inst & 1) {\r\n result.fill(code, subIndex, subIndex += compressed[index++]);\r\n }\r\n else {\r\n result[subIndex++] = code;\r\n }\r\n }\r\n }\r\n return result;\r\n})([-1, 2, 24, 2, 25, 2, 5, -1, 0, 77595648, 3, 44, 2, 3, 0, 14, 2, 57, 2, 58, 3, 0, 3, 0, 3168796671, 0, 4294956992, 2, 1, 2, 0, 2, 59, 3, 0, 4, 0, 4294966523, 3, 0, 4, 2, 16, 2, 60, 2, 0, 0, 4294836735, 0, 3221225471, 0, 4294901942, 2, 61, 0, 134152192, 3, 0, 2, 0, 4294951935, 3, 0, 2, 0, 2683305983, 0, 2684354047, 2, 17, 2, 0, 0, 4294961151, 3, 0, 2, 2, 19, 2, 0, 0, 608174079, 2, 0, 2, 131, 2, 6, 2, 56, -1, 2, 37, 0, 4294443263, 2, 1, 3, 0, 3, 0, 4294901711, 2, 39, 0, 4089839103, 0, 2961209759, 0, 1342439375, 0, 4294543342, 0, 3547201023, 0, 1577204103, 0, 4194240, 0, 4294688750, 2, 2, 0, 80831, 0, 4261478351, 0, 4294549486, 2, 2, 0, 2967484831, 0, 196559, 0, 3594373100, 0, 3288319768, 0, 8469959, 2, 194, 2, 3, 0, 3825204735, 0, 123747807, 0, 65487, 0, 4294828015, 0, 4092591615, 0, 1080049119, 0, 458703, 2, 3, 2, 0, 0, 2163244511, 0, 4227923919, 0, 4236247022, 2, 66, 0, 4284449919, 0, 851904, 2, 4, 2, 11, 0, 67076095, -1, 2, 67, 0, 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747766272, 0, 2717763192, 0, 4286578751, 0, 278545, 2, 152, 0, 4294886464, 0, 33292336, 0, 417809, 2, 152, 0, 1327482464, 0, 4278190128, 0, 700594195, 0, 1006647527, 0, 4286497336, 0, 4160749631, 2, 153, 0, 469762560, 0, 4171219488, 0, 8323120, 2, 153, 0, 202375680, 0, 3214918176, 0, 4294508592, 2, 153, -1, 0, 983584, 0, 48, 0, 58720273, 0, 3489923072, 0, 10517376, 0, 4293066815, 0, 1, 0, 2013265920, 2, 177, 2, 0, 0, 2089, 0, 3221225552, 0, 201375904, 2, 0, -2, 0, 256, 0, 122880, 0, 16777216, 2, 150, 0, 4160757760, 2, 0, -6, 2, 167, -11, 0, 3263218176, -1, 0, 49664, 0, 2160197632, 0, 8388802, -1, 0, 12713984, -1, 2, 154, 2, 159, 2, 178, -2, 2, 162, -20, 0, 3758096385, -2, 2, 155, 0, 4292878336, 2, 90, 2, 169, 0, 4294057984, -2, 2, 163, 2, 156, 2, 175, -2, 2, 155, -1, 2, 182, -1, 2, 170, 2, 124, 0, 4026593280, 0, 14, 0, 4292919296, -1, 2, 158, 0, 939588608, -1, 0, 805306368, -1, 2, 124, 0, 1610612736, 2, 156, 2, 157, 2, 4, 2, 0, -2, 2, 158, 2, 159, -3, 0, 267386880, -1, 2, 160, 0, 7168, -1, 0, 65024, 2, 154, 2, 161, 2, 179, -7, 2, 168, -8, 2, 162, -1, 0, 1426112704, 2, 163, -1, 2, 164, 0, 271581216, 0, 2149777408, 2, 23, 2, 161, 2, 124, 0, 851967, 2, 180, -1, 2, 23, 2, 181, -4, 2, 158, -20, 2, 195, 2, 165, -56, 0, 3145728, 2, 185, -4, 2, 166, 2, 124, -4, 0, 32505856, -1, 2, 167, -1, 0, 2147385088, 2, 90, 1, 2155905152, 2, -3, 2, 103, 2, 0, 2, 168, -2, 2, 169, -6, 2, 170, 0, 4026597375, 0, 1, -1, 0, 1, -1, 2, 171, -3, 2, 117, 2, 64, -2, 2, 166, -2, 2, 176, 2, 124, -878, 2, 159, -36, 2, 172, -1, 2, 201, -10, 2, 188, -5, 2, 174, -6, 0, 4294965251, 2, 27, -1, 2, 173, -1, 2, 174, -2, 0, 4227874752, -3, 0, 2146435072, 2, 159, -2, 0, 1006649344, 2, 124, -1, 2, 90, 0, 201375744, -3, 0, 134217720, 2, 90, 0, 4286677377, 0, 32896, -1, 2, 158, -3, 2, 175, -349, 2, 176, 0, 1920, 2, 177, 3, 0, 264, -11, 2, 157, -2, 2, 178, 2, 0, 0, 520617856, 0, 2692743168, 0, 36, -3, 0, 524284, -11, 2, 23, -1, 2, 187, -1, 2, 184, 0, 3221291007, 2, 178, -1, 2, 202, 0, 2158720, -3, 2, 159, 0, 1, -4, 2, 124, 0, 3808625411, 0, 3489628288, 2, 200, 0, 1207959680, 0, 3221274624, 2, 0, -3, 2, 179, 0, 120, 0, 7340032, -2, 2, 180, 2, 4, 2, 23, 2, 163, 3, 0, 4, 2, 159, -1, 2, 181, 2, 177, -1, 0, 8176, 2, 182, 2, 179, 2, 183, -1, 0, 4290773232, 2, 0, -4, 2, 163, 2, 189, 0, 15728640, 2, 177, -1, 2, 161, -1, 0, 4294934512, 3, 0, 4, -9, 2, 90, 2, 170, 2, 184, 3, 0, 4, 0, 704, 0, 1849688064, 2, 185, -1, 2, 124, 0, 4294901887, 2, 0, 0, 130547712, 0, 1879048192, 2, 199, 3, 0, 2, -1, 2, 186, 2, 187, -1, 0, 17829776, 0, 2025848832, 0, 4261477888, -2, 2, 0, -1, 0, 4286580608, -1, 0, 29360128, 2, 192, 0, 16252928, 0, 3791388672, 2, 38, 3, 0, 2, -2, 2, 196, 2, 0, -1, 2, 103, -1, 0, 66584576, -1, 2, 191, 3, 0, 9, 2, 124, -1, 0, 4294755328, 3, 0, 2, -1, 2, 161, 2, 178, 3, 0, 2, 2, 23, 2, 188, 2, 90, -2, 0, 245760, 0, 2147418112, -1, 2, 150, 2, 203, 0, 4227923456, -1, 2, 164, 2, 161, 2, 90, -3, 0, 4292870145, 0, 262144, 2, 124, 3, 0, 2, 0, 1073758848, 2, 189, -1, 0, 4227921920, 2, 190, 0, 68289024, 0, 528402016, 0, 4292927536, 3, 0, 4, -2, 0, 268435456, 2, 91, -2, 2, 191, 3, 0, 5, -1, 2, 192, 2, 163, 2, 0, -2, 0, 4227923936, 2, 62, -1, 2, 155, 2, 95, 2, 0, 2, 154, 2, 158, 3, 0, 6, -1, 2, 177, 3, 0, 3, -2, 0, 2146959360, 0, 9440640, 0, 104857600, 0, 4227923840, 3, 0, 2, 0, 768, 2, 193, 2, 77, -2, 2, 161, -2, 2, 119, -1, 2, 155, 3, 0, 8, 0, 512, 0, 8388608, 2, 194, 2, 172, 2, 187, 0, 4286578944, 3, 0, 2, 0, 1152, 0, 1266679808, 2, 191, 0, 576, 0, 4261707776, 2, 95, 3, 0, 9, 2, 155, 3, 0, 5, 2, 16, -1, 0, 2147221504, -28, 2, 178, 3, 0, 3, -3, 0, 4292902912, -6, 2, 96, 3, 0, 85, -33, 0, 4294934528, 3, 0, 126, -18, 2, 195, 3, 0, 269, -17, 2, 155, 2, 124, 2, 198, 3, 0, 2, 2, 23, 0, 4290822144, -2, 0, 67174336, 0, 520093700, 2, 17, 3, 0, 21, -2, 2, 179, 3, 0, 3, -2, 0, 30720, -1, 0, 32512, 3, 0, 2, 0, 4294770656, -191, 2, 174, -38, 2, 170, 2, 0, 2, 196, 3, 0, 279, -8, 2, 124, 2, 0, 0, 4294508543, 0, 65295, -11, 2, 177, 3, 0, 72, -3, 0, 3758159872, 0, 201391616, 3, 0, 155, -7, 2, 170, -1, 0, 384, -1, 0, 133693440, -3, 2, 196, -2, 2, 26, 3, 0, 4, 2, 169, -2, 2, 90, 2, 155, 3, 0, 4, -2, 2, 164, -1, 2, 150, 0, 335552923, 2, 197, -1, 0, 538974272, 0, 2214592512, 0, 132000, -10, 0, 192, -8, 0, 12288, -21, 0, 134213632, 0, 4294901761, 3, 0, 42, 0, 100663424, 0, 4294965284, 3, 0, 6, -1, 0, 3221282816, 2, 198, 3, 0, 11, -1, 2, 199, 3, 0, 40, -6, 0, 4286578784, 2, 0, -2, 0, 1006694400, 3, 0, 24, 2, 35, -1, 2, 94, 3, 0, 2, 0, 1, 2, 163, 3, 0, 6, 2, 197, 0, 4110942569, 0, 1432950139, 0, 2701658217, 0, 4026532864, 0, 4026532881, 2, 0, 2, 45, 3, 0, 8, -1, 2, 158, -2, 2, 169, 0, 98304, 0, 65537, 2, 170, -5, 0, 4294950912, 2, 0, 2, 118, 0, 65528, 2, 177, 0, 4294770176, 2, 26, 3, 0, 4, -30, 2, 174, 0, 3758153728, -3, 2, 169, -2, 2, 155, 2, 188, 2, 158, -1, 2, 191, -1, 2, 161, 0, 4294754304, 3, 0, 2, -3, 0, 33554432, -2, 2, 200, -3, 2, 169, 0, 4175478784, 2, 201, 0, 4286643712, 0, 4286644216, 2, 0, -4, 2, 202, -1, 2, 165, 0, 4227923967, 3, 0, 32, -1334, 2, 163, 2, 0, -129, 2, 94, -6, 2, 163, -180, 2, 203, -233, 2, 4, 3, 0, 96, -16, 2, 163, 3, 0, 47, -154, 2, 165, 3, 0, 22381, -7, 2, 17, 3, 0, 6128], [4294967295, 4294967291, 4092460543, 4294828031, 4294967294, 134217726, 268435455, 2147483647, 1048575, 1073741823, 3892314111, 134217727, 1061158911, 536805376, 4294910143, 4160749567, 4294901759, 4294901760, 536870911, 262143, 8388607, 4294902783, 4294918143, 65535, 67043328, 2281701374, 4294967232, 2097151, 4294903807, 4194303, 255, 67108863, 4294967039, 511, 524287, 131071, 127, 4292870143, 4294902271, 4294549487, 33554431, 1023, 67047423, 4294901888, 4286578687, 4294770687, 67043583, 32767, 15, 2047999, 67043343, 16777215, 4294902000, 4294934527, 4294966783, 4294967279, 2047, 262083, 20511, 4290772991, 41943039, 493567, 4294959104, 603979775, 65536, 602799615, 805044223, 4294965206, 8191, 1031749119, 4294917631, 2134769663, 4286578493, 4282253311, 4294942719, 33540095, 4294905855, 4294967264, 2868854591, 1608515583, 265232348, 534519807, 2147614720, 1060109444, 4093640016, 17376, 2139062143, 224, 4169138175, 4294909951, 4286578688, 4294967292, 4294965759, 2044, 4292870144, 4294966272, 4294967280, 8289918, 4294934399, 4294901775, 4294965375, 1602223615, 4294967259, 4294443008, 268369920, 4292804608, 486341884, 4294963199, 3087007615, 1073692671, 4128527, 4279238655, 4294902015, 4294966591, 2445279231, 3670015, 3238002687, 31, 63, 4294967288, 4294705151, 4095, 3221208447, 4294549472, 2147483648, 4285526655, 4294966527, 4294705152, 4294966143, 64, 4294966719, 16383, 3774873592, 458752, 536807423, 67043839, 3758096383, 3959414372, 3755993023, 2080374783, 4294835295, 4294967103, 4160749565, 4087, 184024726, 2862017156, 1593309078, 268434431, 268434414, 4294901763, 536870912, 2952790016, 202506752, 139264, 402653184, 4261412864, 4227922944, 49152, 61440, 3758096384, 117440512, 65280, 3233808384, 3221225472, 2097152, 4294965248, 32768, 57152, 67108864, 4293918720, 4290772992, 25165824, 57344, 4227915776, 4278190080, 4227907584, 65520, 4026531840, 4227858432, 4160749568, 3758129152, 4294836224, 63488, 1073741824, 4294967040, 4194304, 251658240, 196608, 4294963200, 64512, 417808, 4227923712, 12582912, 50331648, 65472, 4294967168, 4294966784, 16, 4294917120, 2080374784, 4096, 65408, 524288, 65532]);\n\nfunction advanceChar(parser) {\r\n parser.column++;\r\n return (parser.currentChar = parser.source.charCodeAt(++parser.index));\r\n}\r\nfunction consumeMultiUnitCodePoint(parser, hi) {\r\n if ((hi & 0xfc00) !== 55296)\r\n return 0;\r\n const lo = parser.source.charCodeAt(parser.index + 1);\r\n if ((lo & 0xfc00) !== 0xdc00)\r\n return 0;\r\n hi = parser.currentChar = 65536 + ((hi & 0x3ff) << 10) + (lo & 0x3ff);\r\n if (((unicodeLookup[(hi >>> 5) + 0] >>> hi) & 31 & 1) === 0) {\r\n report(parser, 18, fromCodePoint(hi));\r\n }\r\n parser.index++;\r\n parser.column++;\r\n return 1;\r\n}\r\nfunction consumeLineFeed(parser, state) {\r\n parser.currentChar = parser.source.charCodeAt(++parser.index);\r\n parser.flags |= 1;\r\n if ((state & 4) === 0) {\r\n parser.column = 0;\r\n parser.line++;\r\n }\r\n}\r\nfunction scanNewLine(parser) {\r\n parser.flags |= 1;\r\n parser.currentChar = parser.source.charCodeAt(++parser.index);\r\n parser.column = 0;\r\n parser.line++;\r\n}\r\nfunction isExoticECMAScriptWhitespace(ch) {\r\n return (ch === 160 ||\r\n ch === 65279 ||\r\n ch === 133 ||\r\n ch === 5760 ||\r\n (ch >= 8192 && ch <= 8203) ||\r\n ch === 8239 ||\r\n ch === 8287 ||\r\n ch === 12288 ||\r\n ch === 8201 ||\r\n ch === 65519);\r\n}\r\nfunction fromCodePoint(codePoint) {\r\n return codePoint <= 65535\r\n ? String.fromCharCode(codePoint)\r\n : String.fromCharCode(codePoint >>> 10) + String.fromCharCode(codePoint & 0x3ff);\r\n}\r\nfunction toHex(code) {\r\n return code < 65 ? code - 48 : (code - 65 + 10) & 0xf;\r\n}\r\nfunction convertTokenType(t) {\r\n switch (t) {\r\n case 134283266:\r\n return 'NumericLiteral';\r\n case 134283267:\r\n return 'StringLiteral';\r\n case 86021:\r\n case 86022:\r\n return 'BooleanLiteral';\r\n case 86023:\r\n return 'NullLiteral';\r\n case 65540:\r\n return 'RegularExpression';\r\n case 67174408:\r\n case 67174409:\r\n case 132:\r\n return 'TemplateLiteral';\r\n default:\r\n if ((t & 143360) === 143360)\r\n return 'Identifier';\r\n if ((t & 4096) === 4096)\r\n return 'Keyword';\r\n return 'Punctuator';\r\n }\r\n}\n\nconst CharTypes = [\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 8 | 1024,\r\n 0,\r\n 0,\r\n 8 | 2048,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 8192,\r\n 0,\r\n 1 | 2,\r\n 0,\r\n 0,\r\n 8192,\r\n 0,\r\n 0,\r\n 0,\r\n 256,\r\n 0,\r\n 256 | 32768,\r\n 0,\r\n 0,\r\n 2 | 16 | 128 | 32 | 64,\r\n 2 | 16 | 128 | 32 | 64,\r\n 2 | 16 | 32 | 64,\r\n 2 | 16 | 32 | 64,\r\n 2 | 16 | 32 | 64,\r\n 2 | 16 | 32 | 64,\r\n 2 | 16 | 32 | 64,\r\n 2 | 16 | 32 | 64,\r\n 2 | 16 | 512 | 64,\r\n 2 | 16 | 512 | 64,\r\n 0,\r\n 0,\r\n 16384,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1 | 2 | 64,\r\n 1 | 2 | 64,\r\n 1 | 2 | 64,\r\n 1 | 2 | 64,\r\n 1 | 2 | 64,\r\n 1 | 2 | 64,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 1 | 2,\r\n 0,\r\n 1,\r\n 0,\r\n 0,\r\n 1 | 2 | 4096,\r\n 0,\r\n 1 | 2 | 4 | 64,\r\n 1 | 2 | 4 | 64,\r\n 1 | 2 | 4 | 64,\r\n 1 | 2 | 4 | 64,\r\n 1 | 2 | 4 | 64,\r\n 1 | 2 | 4 | 64,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 1 | 2 | 4,\r\n 16384,\r\n 0,\r\n 0,\r\n 0,\r\n 0\r\n];\r\nconst isIdStart = [\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 0,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0\r\n];\r\nconst isIdPart = [\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 1,\r\n 0,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 1,\r\n 0,\r\n 0,\r\n 0,\r\n 0,\r\n 0\r\n];\r\nfunction isIdentifierStart(code) {\r\n return code <= 0x7F\r\n ? isIdStart[code]\r\n : (unicodeLookup[(code >>> 5) + 34816] >>> code) & 31 & 1;\r\n}\r\nfunction isIdentifierPart(code) {\r\n return code <= 0x7F\r\n ? isIdPart[code]\r\n : (unicodeLookup[(code >>> 5) + 0] >>> code) & 31 & 1 || (code === 8204 || code === 8205);\r\n}\n\nconst CommentTypes = ['SingleLine', 'MultiLine', 'HTMLOpen', 'HTMLClose', 'HashbangComment'];\r\nfunction skipHashBang(parser) {\r\n const source = parser.source;\r\n if (parser.currentChar === 35 && source.charCodeAt(parser.index + 1) === 33) {\r\n advanceChar(parser);\r\n advanceChar(parser);\r\n skipSingleLineComment(parser, source, 0, 4, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n}\r\nfunction skipSingleHTMLComment(parser, source, state, context, type, start, line, column) {\r\n if (context & 2048)\r\n report(parser, 0);\r\n return skipSingleLineComment(parser, source, state, type, start, line, column);\r\n}\r\nfunction skipSingleLineComment(parser, source, state, type, start, line, column) {\r\n const { index } = parser;\r\n parser.tokenPos = parser.index;\r\n parser.linePos = parser.line;\r\n parser.colPos = parser.column;\r\n while (parser.index < parser.end) {\r\n if (CharTypes[parser.currentChar] & 8) {\r\n const isCR = parser.currentChar === 13;\r\n scanNewLine(parser);\r\n if (isCR && parser.index < parser.end && parser.currentChar === 10)\r\n parser.currentChar = source.charCodeAt(++parser.index);\r\n break;\r\n }\r\n else if ((parser.currentChar ^ 8232) <= 1) {\r\n scanNewLine(parser);\r\n break;\r\n }\r\n advanceChar(parser);\r\n parser.tokenPos = parser.index;\r\n parser.linePos = parser.line;\r\n parser.colPos = parser.column;\r\n }\r\n if (parser.onComment) {\r\n const loc = {\r\n start: {\r\n line,\r\n column\r\n },\r\n end: {\r\n line: parser.linePos,\r\n column: parser.colPos\r\n }\r\n };\r\n parser.onComment(CommentTypes[type & 0xff], source.slice(index, parser.tokenPos), start, parser.tokenPos, loc);\r\n }\r\n return state | 1;\r\n}\r\nfunction skipMultiLineComment(parser, source, state) {\r\n const { index } = parser;\r\n while (parser.index < parser.end) {\r\n if (parser.currentChar < 0x2b) {\r\n let skippedOneAsterisk = false;\r\n while (parser.currentChar === 42) {\r\n if (!skippedOneAsterisk) {\r\n state &= ~4;\r\n skippedOneAsterisk = true;\r\n }\r\n if (advanceChar(parser) === 47) {\r\n advanceChar(parser);\r\n if (parser.onComment) {\r\n const loc = {\r\n start: {\r\n line: parser.linePos,\r\n column: parser.colPos\r\n },\r\n end: {\r\n line: parser.line,\r\n column: parser.column\r\n }\r\n };\r\n parser.onComment(CommentTypes[1 & 0xff], source.slice(index, parser.index - 2), index - 2, parser.index, loc);\r\n }\r\n parser.tokenPos = parser.index;\r\n parser.linePos = parser.line;\r\n parser.colPos = parser.column;\r\n return state;\r\n }\r\n }\r\n if (skippedOneAsterisk) {\r\n continue;\r\n }\r\n if (CharTypes[parser.currentChar] & 8) {\r\n if (parser.currentChar === 13) {\r\n state |= 1 | 4;\r\n scanNewLine(parser);\r\n }\r\n else {\r\n consumeLineFeed(parser, state);\r\n state = (state & ~4) | 1;\r\n }\r\n }\r\n else {\r\n advanceChar(parser);\r\n }\r\n }\r\n else if ((parser.currentChar ^ 8232) <= 1) {\r\n state = (state & ~4) | 1;\r\n scanNewLine(parser);\r\n }\r\n else {\r\n state &= ~4;\r\n advanceChar(parser);\r\n }\r\n }\r\n report(parser, 16);\r\n}\n\nfunction scanRegularExpression(parser, context) {\r\n const bodyStart = parser.index;\r\n let preparseState = 0;\r\n loop: while (true) {\r\n const ch = parser.currentChar;\r\n advanceChar(parser);\r\n if (preparseState & 1) {\r\n preparseState &= ~1;\r\n }\r\n else {\r\n switch (ch) {\r\n case 47:\r\n if (!preparseState)\r\n break loop;\r\n else\r\n break;\r\n case 92:\r\n preparseState |= 1;\r\n break;\r\n case 91:\r\n preparseState |= 2;\r\n break;\r\n case 93:\r\n preparseState &= 1;\r\n break;\r\n case 13:\r\n case 10:\r\n case 8232:\r\n case 8233:\r\n report(parser, 32);\r\n }\r\n }\r\n if (parser.index >= parser.source.length) {\r\n return report(parser, 32);\r\n }\r\n }\r\n const bodyEnd = parser.index - 1;\r\n let mask = 0;\r\n let char = parser.currentChar;\r\n const { index: flagStart } = parser;\r\n while (isIdentifierPart(char)) {\r\n switch (char) {\r\n case 103:\r\n if (mask & 2)\r\n report(parser, 34, 'g');\r\n mask |= 2;\r\n break;\r\n case 105:\r\n if (mask & 1)\r\n report(parser, 34, 'i');\r\n mask |= 1;\r\n break;\r\n case 109:\r\n if (mask & 4)\r\n report(parser, 34, 'm');\r\n mask |= 4;\r\n break;\r\n case 117:\r\n if (mask & 16)\r\n report(parser, 34, 'u');\r\n mask |= 16;\r\n break;\r\n case 121:\r\n if (mask & 8)\r\n report(parser, 34, 'y');\r\n mask |= 8;\r\n break;\r\n case 115:\r\n if (mask & 32)\r\n report(parser, 34, 's');\r\n mask |= 32;\r\n break;\r\n case 100:\r\n if (mask & 64)\r\n report(parser, 34, 'd');\r\n mask |= 64;\r\n break;\r\n default:\r\n report(parser, 33);\r\n }\r\n char = advanceChar(parser);\r\n }\r\n const flags = parser.source.slice(flagStart, parser.index);\r\n const pattern = parser.source.slice(bodyStart, bodyEnd);\r\n parser.tokenRegExp = { pattern, flags };\r\n if (context & 512)\r\n parser.tokenRaw = parser.source.slice(parser.tokenPos, parser.index);\r\n parser.tokenValue = validate(parser, pattern, flags);\r\n return 65540;\r\n}\r\nfunction validate(parser, pattern, flags) {\r\n try {\r\n return new RegExp(pattern, flags);\r\n }\r\n catch (e) {\r\n try {\r\n new RegExp(pattern, flags.replace('d', ''));\r\n return null;\r\n }\r\n catch (e) {\r\n report(parser, 32);\r\n }\r\n }\r\n}\n\nfunction scanString(parser, context, quote) {\r\n const { index: start } = parser;\r\n let ret = '';\r\n let char = advanceChar(parser);\r\n let marker = parser.index;\r\n while ((CharTypes[char] & 8) === 0) {\r\n if (char === quote) {\r\n ret += parser.source.slice(marker, parser.index);\r\n advanceChar(parser);\r\n if (context & 512)\r\n parser.tokenRaw = parser.source.slice(start, parser.index);\r\n parser.tokenValue = ret;\r\n return 134283267;\r\n }\r\n if ((char & 8) === 8 && char === 92) {\r\n ret += parser.source.slice(marker, parser.index);\r\n char = advanceChar(parser);\r\n if (char < 0x7f || char === 8232 || char === 8233) {\r\n const code = parseEscape(parser, context, char);\r\n if (code >= 0)\r\n ret += fromCodePoint(code);\r\n else\r\n handleStringError(parser, code, 0);\r\n }\r\n else {\r\n ret += fromCodePoint(char);\r\n }\r\n marker = parser.index + 1;\r\n }\r\n if (parser.index >= parser.end)\r\n report(parser, 14);\r\n char = advanceChar(parser);\r\n }\r\n report(parser, 14);\r\n}\r\nfunction parseEscape(parser, context, first) {\r\n switch (first) {\r\n case 98:\r\n return 8;\r\n case 102:\r\n return 12;\r\n case 114:\r\n return 13;\r\n case 110:\r\n return 10;\r\n case 116:\r\n return 9;\r\n case 118:\r\n return 11;\r\n case 13: {\r\n if (parser.index < parser.end) {\r\n const nextChar = parser.source.charCodeAt(parser.index + 1);\r\n if (nextChar === 10) {\r\n parser.index = parser.index + 1;\r\n parser.currentChar = nextChar;\r\n }\r\n }\r\n }\r\n case 10:\r\n case 8232:\r\n case 8233:\r\n parser.column = -1;\r\n parser.line++;\r\n return -1;\r\n case 48:\r\n case 49:\r\n case 50:\r\n case 51: {\r\n let code = first - 48;\r\n let index = parser.index + 1;\r\n let column = parser.column + 1;\r\n if (index < parser.end) {\r\n const next = parser.source.charCodeAt(index);\r\n if ((CharTypes[next] & 32) === 0) {\r\n if ((code !== 0 || CharTypes[next] & 512) && context & 1024)\r\n return -2;\r\n }\r\n else if (context & 1024) {\r\n return -2;\r\n }\r\n else {\r\n parser.currentChar = next;\r\n code = (code << 3) | (next - 48);\r\n index++;\r\n column++;\r\n if (index < parser.end) {\r\n const next = parser.source.charCodeAt(index);\r\n if (CharTypes[next] & 32) {\r\n parser.currentChar = next;\r\n code = (code << 3) | (next - 48);\r\n index++;\r\n column++;\r\n }\r\n }\r\n parser.flags |= 64;\r\n parser.index = index - 1;\r\n parser.column = column - 1;\r\n }\r\n }\r\n return code;\r\n }\r\n case 52:\r\n case 53:\r\n case 54:\r\n case 55: {\r\n if (context & 1024)\r\n return -2;\r\n let code = first - 48;\r\n const index = parser.index + 1;\r\n const column = parser.column + 1;\r\n if (index < parser.end) {\r\n const next = parser.source.charCodeAt(index);\r\n if (CharTypes[next] & 32) {\r\n code = (code << 3) | (next - 48);\r\n parser.currentChar = next;\r\n parser.index = index;\r\n parser.column = column;\r\n }\r\n }\r\n parser.flags |= 64;\r\n return code;\r\n }\r\n case 120: {\r\n const ch1 = advanceChar(parser);\r\n if ((CharTypes[ch1] & 64) === 0)\r\n return -4;\r\n const hi = toHex(ch1);\r\n const ch2 = advanceChar(parser);\r\n if ((CharTypes[ch2] & 64) === 0)\r\n return -4;\r\n const lo = toHex(ch2);\r\n return (hi << 4) | lo;\r\n }\r\n case 117: {\r\n const ch = advanceChar(parser);\r\n if (parser.currentChar === 123) {\r\n let code = 0;\r\n while ((CharTypes[advanceChar(parser)] & 64) !== 0) {\r\n code = (code << 4) | toHex(parser.currentChar);\r\n if (code > 1114111)\r\n return -5;\r\n }\r\n if (parser.currentChar < 1 || parser.currentChar !== 125) {\r\n return -4;\r\n }\r\n return code;\r\n }\r\n else {\r\n if ((CharTypes[ch] & 64) === 0)\r\n return -4;\r\n const ch2 = parser.source.charCodeAt(parser.index + 1);\r\n if ((CharTypes[ch2] & 64) === 0)\r\n return -4;\r\n const ch3 = parser.source.charCodeAt(parser.index + 2);\r\n if ((CharTypes[ch3] & 64) === 0)\r\n return -4;\r\n const ch4 = parser.source.charCodeAt(parser.index + 3);\r\n if ((CharTypes[ch4] & 64) === 0)\r\n return -4;\r\n parser.index += 3;\r\n parser.column += 3;\r\n parser.currentChar = parser.source.charCodeAt(parser.index);\r\n return (toHex(ch) << 12) | (toHex(ch2) << 8) | (toHex(ch3) << 4) | toHex(ch4);\r\n }\r\n }\r\n case 56:\r\n case 57:\r\n if ((context & 256) === 0)\r\n return -3;\r\n default:\r\n return first;\r\n }\r\n}\r\nfunction handleStringError(state, code, isTemplate) {\r\n switch (code) {\r\n case -1:\r\n return;\r\n case -2:\r\n report(state, isTemplate ? 2 : 1);\r\n case -3:\r\n report(state, 13);\r\n case -4:\r\n report(state, 6);\r\n case -5:\r\n report(state, 102);\r\n }\r\n}\n\nfunction scanTemplate(parser, context) {\r\n const { index: start } = parser;\r\n let token = 67174409;\r\n let ret = '';\r\n let char = advanceChar(parser);\r\n while (char !== 96) {\r\n if (char === 36 && parser.source.charCodeAt(parser.index + 1) === 123) {\r\n advanceChar(parser);\r\n token = 67174408;\r\n break;\r\n }\r\n else if ((char & 8) === 8 && char === 92) {\r\n char = advanceChar(parser);\r\n if (char > 0x7e) {\r\n ret += fromCodePoint(char);\r\n }\r\n else {\r\n const code = parseEscape(parser, context | 1024, char);\r\n if (code >= 0) {\r\n ret += fromCodePoint(code);\r\n }\r\n else if (code !== -1 && context & 65536) {\r\n ret = undefined;\r\n char = scanBadTemplate(parser, char);\r\n if (char < 0)\r\n token = 67174408;\r\n break;\r\n }\r\n else {\r\n handleStringError(parser, code, 1);\r\n }\r\n }\r\n }\r\n else {\r\n if (parser.index < parser.end &&\r\n char === 13 &&\r\n parser.source.charCodeAt(parser.index) === 10) {\r\n ret += fromCodePoint(char);\r\n parser.currentChar = parser.source.charCodeAt(++parser.index);\r\n }\r\n if (((char & 83) < 3 && char === 10) || (char ^ 8232) <= 1) {\r\n parser.column = -1;\r\n parser.line++;\r\n }\r\n ret += fromCodePoint(char);\r\n }\r\n if (parser.index >= parser.end)\r\n report(parser, 15);\r\n char = advanceChar(parser);\r\n }\r\n advanceChar(parser);\r\n parser.tokenValue = ret;\r\n parser.tokenRaw = parser.source.slice(start + 1, parser.index - (token === 67174409 ? 1 : 2));\r\n return token;\r\n}\r\nfunction scanBadTemplate(parser, ch) {\r\n while (ch !== 96) {\r\n switch (ch) {\r\n case 36: {\r\n const index = parser.index + 1;\r\n if (index < parser.end && parser.source.charCodeAt(index) === 123) {\r\n parser.index = index;\r\n parser.column++;\r\n return -ch;\r\n }\r\n break;\r\n }\r\n case 10:\r\n case 8232:\r\n case 8233:\r\n parser.column = -1;\r\n parser.line++;\r\n }\r\n if (parser.index >= parser.end)\r\n report(parser, 15);\r\n ch = advanceChar(parser);\r\n }\r\n return ch;\r\n}\r\nfunction scanTemplateTail(parser, context) {\r\n if (parser.index >= parser.end)\r\n report(parser, 0);\r\n parser.index--;\r\n parser.column--;\r\n return scanTemplate(parser, context);\r\n}\n\nfunction scanNumber(parser, context, kind) {\r\n let char = parser.currentChar;\r\n let value = 0;\r\n let digit = 9;\r\n let atStart = kind & 64 ? 0 : 1;\r\n let digits = 0;\r\n let allowSeparator = 0;\r\n if (kind & 64) {\r\n value = '.' + scanDecimalDigitsOrSeparator(parser, char);\r\n char = parser.currentChar;\r\n if (char === 110)\r\n report(parser, 11);\r\n }\r\n else {\r\n if (char === 48) {\r\n char = advanceChar(parser);\r\n if ((char | 32) === 120) {\r\n kind = 8 | 128;\r\n char = advanceChar(parser);\r\n while (CharTypes[char] & (64 | 4096)) {\r\n if (char === 95) {\r\n if (!allowSeparator)\r\n report(parser, 147);\r\n allowSeparator = 0;\r\n char = advanceChar(parser);\r\n continue;\r\n }\r\n allowSeparator = 1;\r\n value = value * 0x10 + toHex(char);\r\n digits++;\r\n char = advanceChar(parser);\r\n }\r\n if (digits === 0 || !allowSeparator) {\r\n report(parser, digits === 0 ? 19 : 148);\r\n }\r\n }\r\n else if ((char | 32) === 111) {\r\n kind = 4 | 128;\r\n char = advanceChar(parser);\r\n while (CharTypes[char] & (32 | 4096)) {\r\n if (char === 95) {\r\n if (!allowSeparator) {\r\n report(parser, 147);\r\n }\r\n allowSeparator = 0;\r\n char = advanceChar(parser);\r\n continue;\r\n }\r\n allowSeparator = 1;\r\n value = value * 8 + (char - 48);\r\n digits++;\r\n char = advanceChar(parser);\r\n }\r\n if (digits === 0 || !allowSeparator) {\r\n report(parser, digits === 0 ? 0 : 148);\r\n }\r\n }\r\n else if ((char | 32) === 98) {\r\n kind = 2 | 128;\r\n char = advanceChar(parser);\r\n while (CharTypes[char] & (128 | 4096)) {\r\n if (char === 95) {\r\n if (!allowSeparator) {\r\n report(parser, 147);\r\n }\r\n allowSeparator = 0;\r\n char = advanceChar(parser);\r\n continue;\r\n }\r\n allowSeparator = 1;\r\n value = value * 2 + (char - 48);\r\n digits++;\r\n char = advanceChar(parser);\r\n }\r\n if (digits === 0 || !allowSeparator) {\r\n report(parser, digits === 0 ? 0 : 148);\r\n }\r\n }\r\n else if (CharTypes[char] & 32) {\r\n if (context & 1024)\r\n report(parser, 1);\r\n kind = 1;\r\n while (CharTypes[char] & 16) {\r\n if (CharTypes[char] & 512) {\r\n kind = 32;\r\n atStart = 0;\r\n break;\r\n }\r\n value = value * 8 + (char - 48);\r\n char = advanceChar(parser);\r\n }\r\n }\r\n else if (CharTypes[char] & 512) {\r\n if (context & 1024)\r\n report(parser, 1);\r\n parser.flags |= 64;\r\n kind = 32;\r\n }\r\n else if (char === 95) {\r\n report(parser, 0);\r\n }\r\n }\r\n if (kind & 48) {\r\n if (atStart) {\r\n while (digit >= 0 && CharTypes[char] & (16 | 4096)) {\r\n if (char === 95) {\r\n char = advanceChar(parser);\r\n if (char === 95 || kind & 32) {\r\n reportScannerError(parser.index, parser.line, parser.index + 1, 147);\r\n }\r\n allowSeparator = 1;\r\n continue;\r\n }\r\n allowSeparator = 0;\r\n value = 10 * value + (char - 48);\r\n char = advanceChar(parser);\r\n --digit;\r\n }\r\n if (allowSeparator) {\r\n reportScannerError(parser.index, parser.line, parser.index + 1, 148);\r\n }\r\n if (digit >= 0 && !isIdentifierStart(char) && char !== 46) {\r\n parser.tokenValue = value;\r\n if (context & 512)\r\n parser.tokenRaw = parser.source.slice(parser.tokenPos, parser.index);\r\n return 134283266;\r\n }\r\n }\r\n value += scanDecimalDigitsOrSeparator(parser, char);\r\n char = parser.currentChar;\r\n if (char === 46) {\r\n if (advanceChar(parser) === 95)\r\n report(parser, 0);\r\n kind = 64;\r\n value += '.' + scanDecimalDigitsOrSeparator(parser, parser.currentChar);\r\n char = parser.currentChar;\r\n }\r\n }\r\n }\r\n const end = parser.index;\r\n let isBigInt = 0;\r\n if (char === 110 && kind & 128) {\r\n isBigInt = 1;\r\n char = advanceChar(parser);\r\n }\r\n else {\r\n if ((char | 32) === 101) {\r\n char = advanceChar(parser);\r\n if (CharTypes[char] & 256)\r\n char = advanceChar(parser);\r\n const { index } = parser;\r\n if ((CharTypes[char] & 16) === 0)\r\n report(parser, 10);\r\n value += parser.source.substring(end, index) + scanDecimalDigitsOrSeparator(parser, char);\r\n char = parser.currentChar;\r\n }\r\n }\r\n if ((parser.index < parser.end && CharTypes[char] & 16) || isIdentifierStart(char)) {\r\n report(parser, 12);\r\n }\r\n if (isBigInt) {\r\n parser.tokenRaw = parser.source.slice(parser.tokenPos, parser.index);\r\n parser.tokenValue = BigInt(value);\r\n return 134283389;\r\n }\r\n parser.tokenValue =\r\n kind & (1 | 2 | 8 | 4)\r\n ? value\r\n : kind & 32\r\n ? parseFloat(parser.source.substring(parser.tokenPos, parser.index))\r\n : +value;\r\n if (context & 512)\r\n parser.tokenRaw = parser.source.slice(parser.tokenPos, parser.index);\r\n return 134283266;\r\n}\r\nfunction scanDecimalDigitsOrSeparator(parser, char) {\r\n let allowSeparator = 0;\r\n let start = parser.index;\r\n let ret = '';\r\n while (CharTypes[char] & (16 | 4096)) {\r\n if (char === 95) {\r\n const { index } = parser;\r\n char = advanceChar(parser);\r\n if (char === 95) {\r\n reportScannerError(parser.index, parser.line, parser.index + 1, 147);\r\n }\r\n allowSeparator = 1;\r\n ret += parser.source.substring(start, index);\r\n start = parser.index;\r\n continue;\r\n }\r\n allowSeparator = 0;\r\n char = advanceChar(parser);\r\n }\r\n if (allowSeparator) {\r\n reportScannerError(parser.index, parser.line, parser.index + 1, 148);\r\n }\r\n return ret + parser.source.substring(start, parser.index);\r\n}\n\nconst KeywordDescTable = [\r\n 'end of source',\r\n 'identifier', 'number', 'string', 'regular expression',\r\n 'false', 'true', 'null',\r\n 'template continuation', 'template tail',\r\n '=>', '(', '{', '.', '...', '}', ')', ';', ',', '[', ']', ':', '?', '\\'', '\"', '</', '/>',\r\n '++', '--',\r\n '=', '<<=', '>>=', '>>>=', '**=', '+=', '-=', '*=', '/=', '%=', '^=', '|=',\r\n '&=', '||=', '&&=', '??=',\r\n 'typeof', 'delete', 'void', '!', '~', '+', '-', 'in', 'instanceof', '*', '%', '/', '**', '&&',\r\n '||', '===', '!==', '==', '!=', '<=', '>=', '<', '>', '<<', '>>', '>>>', '&', '|', '^',\r\n 'var', 'let', 'const',\r\n 'break', 'case', 'catch', 'class', 'continue', 'debugger', 'default', 'do', 'else', 'export',\r\n 'extends', 'finally', 'for', 'function', 'if', 'import', 'new', 'return', 'super', 'switch',\r\n 'this', 'throw', 'try', 'while', 'with',\r\n 'implements', 'interface', 'package', 'private', 'protected', 'public', 'static', 'yield',\r\n 'as', 'async', 'await', 'constructor', 'get', 'set', 'from', 'of',\r\n 'enum', 'eval', 'arguments', 'escaped keyword', 'escaped future reserved keyword', 'reserved if strict', '#',\r\n 'BigIntLiteral', '??', '?.', 'WhiteSpace', 'Illegal', 'LineTerminator', 'PrivateField',\r\n 'Template', '@', 'target', 'meta', 'LineFeed', 'Escaped', 'JSXText'\r\n];\r\nconst descKeywordTable = Object.create(null, {\r\n this: { value: 86113 },\r\n function: { value: 86106 },\r\n if: { value: 20571 },\r\n return: { value: 20574 },\r\n var: { value: 86090 },\r\n else: { value: 20565 },\r\n for: { value: 20569 },\r\n new: { value: 86109 },\r\n in: { value: 8738868 },\r\n typeof: { value: 16863277 },\r\n while: { value: 20580 },\r\n case: { value: 20558 },\r\n break: { value: 20557 },\r\n try: { value: 20579 },\r\n catch: { value: 20559 },\r\n delete: { value: 16863278 },\r\n throw: { value: 86114 },\r\n switch: { value: 86112 },\r\n continue: { value: 20561 },\r\n default: { value: 20563 },\r\n instanceof: { value: 8476725 },\r\n do: { value: 20564 },\r\n void: { value: 16863279 },\r\n finally: { value: 20568 },\r\n async: { value: 209007 },\r\n await: { value: 209008 },\r\n class: { value: 86096 },\r\n const: { value: 86092 },\r\n constructor: { value: 12401 },\r\n debugger: { value: 20562 },\r\n export: { value: 20566 },\r\n extends: { value: 20567 },\r\n false: { value: 86021 },\r\n from: { value: 12404 },\r\n get: { value: 12402 },\r\n implements: { value: 36966 },\r\n import: { value: 86108 },\r\n interface: { value: 36967 },\r\n let: { value: 241739 },\r\n null: { value: 86023 },\r\n of: { value: 274549 },\r\n package: { value: 36968 },\r\n private: { value: 36969 },\r\n protected: { value: 36970 },\r\n public: { value: 36971 },\r\n set: { value: 12403 },\r\n static: { value: 36972 },\r\n super: { value: 86111 },\r\n true: { value: 86022 },\r\n with: { value: 20581 },\r\n yield: { value: 241773 },\r\n enum: { value: 86134 },\r\n eval: { value: 537079927 },\r\n as: { value: 77934 },\r\n arguments: { value: 537079928 },\r\n target: { value: 143494 },\r\n meta: { value: 143495 },\r\n});\n\nfunction scanIdentifier(parser, context, isValidAsKeyword) {\r\n while (isIdPart[advanceChar(parser)]) { }\r\n parser.tokenValue = parser.source.slice(parser.tokenPos, parser.index);\r\n return parser.currentChar !== 92 && parser.currentChar <= 0x7e\r\n ? descKeywordTable[parser.tokenValue] || 208897\r\n : scanIdentifierSlowCase(parser, context, 0, isValidAsKeyword);\r\n}\r\nfunction scanUnicodeIdentifier(parser, context) {\r\n const cookedChar = scanIdentifierUnicodeEscape(parser);\r\n if (!isIdentifierPart(cookedChar))\r\n report(parser, 4);\r\n parser.tokenValue = fromCodePoint(cookedChar);\r\n return scanIdentifierSlowCase(parser, context, 1, CharTypes[cookedChar] & 4);\r\n}\r\nfunction scanIdentifierSlowCase(parser, context, hasEscape, isValidAsKeyword) {\r\n let start = parser.index;\r\n while (parser.index < parser.end) {\r\n if (parser.currentChar === 92) {\r\n parser.tokenValue += parser.source.slice(start, parser.index);\r\n hasEscape = 1;\r\n const code = scanIdentifierUnicodeEscape(parser);\r\n if (!isIdentifierPart(code))\r\n report(parser, 4);\r\n isValidAsKeyword = isValidAsKeyword && CharTypes[code] & 4;\r\n parser.tokenValue += fromCodePoint(code);\r\n start = parser.index;\r\n }\r\n else if (isIdentifierPart(parser.currentChar) || consumeMultiUnitCodePoint(parser, parser.currentChar)) {\r\n advanceChar(parser);\r\n }\r\n else {\r\n break;\r\n }\r\n }\r\n if (parser.index <= parser.end) {\r\n parser.tokenValue += parser.source.slice(start, parser.index);\r\n }\r\n const length = parser.tokenValue.length;\r\n if (isValidAsKeyword && length >= 2 && length <= 11) {\r\n const token = descKeywordTable[parser.tokenValue];\r\n if (token === void 0)\r\n return 208897;\r\n if (!hasEscape)\r\n return token;\r\n if (token === 209008) {\r\n if ((context & (2048 | 4194304)) === 0) {\r\n return token;\r\n }\r\n return 121;\r\n }\r\n if (context & 1024) {\r\n if (token === 36972) {\r\n return 122;\r\n }\r\n if ((token & 36864) === 36864) {\r\n return 122;\r\n }\r\n if ((token & 20480) === 20480) {\r\n if (context & 1073741824 && (context & 8192) === 0) {\r\n return token;\r\n }\r\n else {\r\n return 121;\r\n }\r\n }\r\n return 143483;\r\n }\r\n if (context & 1073741824 &&\r\n (context & 8192) === 0 &&\r\n (token & 20480) === 20480)\r\n return token;\r\n if (token === 241773) {\r\n return context & 1073741824\r\n ? 143483\r\n : context & 2097152\r\n ? 121\r\n : token;\r\n }\r\n if (token === 209007) {\r\n return 143483;\r\n }\r\n if ((token & 36864) === 36864) {\r\n return token;\r\n }\r\n return 121;\r\n }\r\n return 208897;\r\n}\r\nfunction scanPrivateIdentifier(parser) {\r\n if (!isIdentifierStart(advanceChar(parser)))\r\n report(parser, 94);\r\n return 131;\r\n}\r\nfunction scanIdentifierUnicodeEscape(parser) {\r\n if (parser.source.charCodeAt(parser.index + 1) !== 117) {\r\n report(parser, 4);\r\n }\r\n parser.currentChar = parser.source.charCodeAt((parser.index += 2));\r\n return scanUnicodeEscape(parser);\r\n}\r\nfunction scanUnicodeEscape(parser) {\r\n let codePoint = 0;\r\n const char = parser.currentChar;\r\n if (char === 123) {\r\n const begin = parser.index - 2;\r\n while (CharTypes[advanceChar(parser)] & 64) {\r\n codePoint = (codePoint << 4) | toHex(parser.currentChar);\r\n if (codePoint > 1114111)\r\n reportScannerError(begin, parser.line, parser.index + 1, 102);\r\n }\r\n if (parser.currentChar !== 125) {\r\n reportScannerError(begin, parser.line, parser.index - 1, 6);\r\n }\r\n advanceChar(parser);\r\n return codePoint;\r\n }\r\n if ((CharTypes[char] & 64) === 0)\r\n report(parser, 6);\r\n const char2 = parser.source.charCodeAt(parser.index + 1);\r\n if ((CharTypes[char2] & 64) === 0)\r\n report(parser, 6);\r\n const char3 = parser.source.charCodeAt(parser.index + 2);\r\n if ((CharTypes[char3] & 64) === 0)\r\n report(parser, 6);\r\n const char4 = parser.source.charCodeAt(parser.index + 3);\r\n if ((CharTypes[char4] & 64) === 0)\r\n report(parser, 6);\r\n codePoint = (toHex(char) << 12) | (toHex(char2) << 8) | (toHex(char3) << 4) | toHex(char4);\r\n parser.currentChar = parser.source.charCodeAt((parser.index += 4));\r\n return codePoint;\r\n}\n\nconst TokenLookup = [\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 128,\r\n 136,\r\n 128,\r\n 128,\r\n 130,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 129,\r\n 128,\r\n 16842800,\r\n 134283267,\r\n 131,\r\n 208897,\r\n 8457015,\r\n 8455751,\r\n 134283267,\r\n 67174411,\r\n 16,\r\n 8457014,\r\n 25233970,\r\n 18,\r\n 25233971,\r\n 67108877,\r\n 8457016,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 134283266,\r\n 21,\r\n 1074790417,\r\n 8456258,\r\n 1077936157,\r\n 8456259,\r\n 22,\r\n 133,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 208897,\r\n 69271571,\r\n 137,\r\n 20,\r\n 8455497,\r\n 208897,\r\n 132,\r\n 4096,\r\n 4096,\r\n 4096,\r\n 4096,\r\n 4096,\r\n 4096,\r\n 4096,\r\n 208897,\r\n 4096,\r\n 208897,\r\n 208897,\r\n 4096,\r\n 208897,\r\n 4096,\r\n 208897,\r\n 4096,\r\n 208897,\r\n 4096,\r\n 4096,\r\n 4096,\r\n 208897,\r\n 4096,\r\n 4096,\r\n 208897,\r\n 4096,\r\n 4096,\r\n 2162700,\r\n 8455240,\r\n 1074790415,\r\n 16842801,\r\n 129\r\n];\r\nfunction nextToken(parser, context) {\r\n parser.flags = (parser.flags | 1) ^ 1;\r\n parser.startPos = parser.index;\r\n parser.startColumn = parser.column;\r\n parser.startLine = parser.line;\r\n parser.token = scanSingleToken(parser, context, 0);\r\n if (parser.onToken && parser.token !== 1048576) {\r\n const loc = {\r\n start: {\r\n line: parser.linePos,\r\n column: parser.colPos\r\n },\r\n end: {\r\n line: parser.line,\r\n column: parser.column\r\n }\r\n };\r\n parser.onToken(convertTokenType(parser.token), parser.tokenPos, parser.index, loc);\r\n }\r\n}\r\nfunction scanSingleToken(parser, context, state) {\r\n const isStartOfLine = parser.index === 0;\r\n const source = parser.source;\r\n let startPos = parser.index;\r\n let startLine = parser.line;\r\n let startColumn = parser.column;\r\n while (parser.index < parser.end) {\r\n parser.tokenPos = parser.index;\r\n parser.colPos = parser.column;\r\n parser.linePos = parser.line;\r\n let char = parser.currentChar;\r\n if (char <= 0x7e) {\r\n const token = TokenLookup[char];\r\n switch (token) {\r\n case 67174411:\r\n case 16:\r\n case 2162700:\r\n case 1074790415:\r\n case 69271571:\r\n case 20:\r\n case 21:\r\n case 1074790417:\r\n case 18:\r\n case 16842801:\r\n case 133:\r\n case 129:\r\n advanceChar(parser);\r\n return token;\r\n case 208897:\r\n return scanIdentifier(parser, context, 0);\r\n case 4096:\r\n return scanIdentifier(parser, context, 1);\r\n case 134283266:\r\n return scanNumber(parser, context, 16 | 128);\r\n case 134283267:\r\n return scanString(parser, context, char);\r\n case 132:\r\n return scanTemplate(parser, context);\r\n case 137:\r\n return scanUnicodeIdentifier(parser, context);\r\n case 131:\r\n return scanPrivateIdentifier(parser);\r\n case 128:\r\n advanceChar(parser);\r\n break;\r\n case 130:\r\n state |= 1 | 4;\r\n scanNewLine(parser);\r\n break;\r\n case 136:\r\n consumeLineFeed(parser, state);\r\n state = (state & ~4) | 1;\r\n break;\r\n case 8456258:\r\n let ch = advanceChar(parser);\r\n if (parser.index < parser.end) {\r\n if (ch === 60) {\r\n if (parser.index < parser.end && advanceChar(parser) === 61) {\r\n advanceChar(parser);\r\n return 4194334;\r\n }\r\n return 8456516;\r\n }\r\n else if (ch === 61) {\r\n advanceChar(parser);\r\n return 8456256;\r\n }\r\n if (ch === 33) {\r\n const index = parser.index + 1;\r\n if (index + 1 < parser.end &&\r\n source.charCodeAt(index) === 45 &&\r\n source.charCodeAt(index + 1) == 45) {\r\n parser.column += 3;\r\n parser.currentChar = source.charCodeAt((parser.index += 3));\r\n state = skipSingleHTMLComment(parser, source, state, context, 2, parser.tokenPos, parser.linePos, parser.colPos);\r\n startPos = parser.tokenPos;\r\n startLine = parser.linePos;\r\n startColumn = parser.colPos;\r\n continue;\r\n }\r\n return 8456258;\r\n }\r\n if (ch === 47) {\r\n if ((context & 16) === 0)\r\n return 8456258;\r\n const index = parser.index + 1;\r\n if (index < parser.end) {\r\n ch = source.charCodeAt(index);\r\n if (ch === 42 || ch === 47)\r\n break;\r\n }\r\n advanceChar(parser);\r\n return 25;\r\n }\r\n }\r\n return 8456258;\r\n case 1077936157: {\r\n advanceChar(parser);\r\n const ch = parser.currentChar;\r\n if (ch === 61) {\r\n if (advanceChar(parser) === 61) {\r\n advanceChar(parser);\r\n return 8455996;\r\n }\r\n return 8455998;\r\n }\r\n if (ch === 62) {\r\n advanceChar(parser);\r\n return 10;\r\n }\r\n return 1077936157;\r\n }\r\n case 16842800:\r\n if (advanceChar(parser) !== 61) {\r\n return 16842800;\r\n }\r\n if (advanceChar(parser) !== 61) {\r\n return 8455999;\r\n }\r\n advanceChar(parser);\r\n return 8455997;\r\n case 8457015:\r\n if (advanceChar(parser) !== 61)\r\n return 8457015;\r\n advanceChar(parser);\r\n return 4194342;\r\n case 8457014: {\r\n advanceChar(parser);\r\n if (parser.index >= parser.end)\r\n return 8457014;\r\n const ch = parser.currentChar;\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4194340;\r\n }\r\n if (ch !== 42)\r\n return 8457014;\r\n if (advanceChar(parser) !== 61)\r\n return 8457273;\r\n advanceChar(parser);\r\n return 4194337;\r\n }\r\n case 8455497:\r\n if (advanceChar(parser) !== 61)\r\n return 8455497;\r\n advanceChar(parser);\r\n return 4194343;\r\n case 25233970: {\r\n advanceChar(parser);\r\n const ch = parser.currentChar;\r\n if (ch === 43) {\r\n advanceChar(parser);\r\n return 33619995;\r\n }\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4194338;\r\n }\r\n return 25233970;\r\n }\r\n case 25233971: {\r\n advanceChar(parser);\r\n const ch = parser.currentChar;\r\n if (ch === 45) {\r\n advanceChar(parser);\r\n if ((state & 1 || isStartOfLine) && parser.currentChar === 62) {\r\n if ((context & 256) === 0)\r\n report(parser, 109);\r\n advanceChar(parser);\r\n state = skipSingleHTMLComment(parser, source, state, context, 3, startPos, startLine, startColumn);\r\n startPos = parser.tokenPos;\r\n startLine = parser.linePos;\r\n startColumn = parser.colPos;\r\n continue;\r\n }\r\n return 33619996;\r\n }\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4194339;\r\n }\r\n return 25233971;\r\n }\r\n case 8457016: {\r\n advanceChar(parser);\r\n if (parser.index < parser.end) {\r\n const ch = parser.currentChar;\r\n if (ch === 47) {\r\n advanceChar(parser);\r\n state = skipSingleLineComment(parser, source, state, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n startPos = parser.tokenPos;\r\n startLine = parser.linePos;\r\n startColumn = parser.colPos;\r\n continue;\r\n }\r\n if (ch === 42) {\r\n advanceChar(parser);\r\n state = skipMultiLineComment(parser, source, state);\r\n startPos = parser.tokenPos;\r\n startLine = parser.linePos;\r\n startColumn = parser.colPos;\r\n continue;\r\n }\r\n if (context & 32768) {\r\n return scanRegularExpression(parser, context);\r\n }\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4259877;\r\n }\r\n }\r\n return 8457016;\r\n }\r\n case 67108877:\r\n const next = advanceChar(parser);\r\n if (next >= 48 && next <= 57)\r\n return scanNumber(parser, context, 64 | 16);\r\n if (next === 46) {\r\n const index = parser.index + 1;\r\n if (index < parser.end && source.charCodeAt(index) === 46) {\r\n parser.column += 2;\r\n parser.currentChar = source.charCodeAt((parser.index += 2));\r\n return 14;\r\n }\r\n }\r\n return 67108877;\r\n case 8455240: {\r\n advanceChar(parser);\r\n const ch = parser.currentChar;\r\n if (ch === 124) {\r\n advanceChar(parser);\r\n if (parser.currentChar === 61) {\r\n advanceChar(parser);\r\n return 4194346;\r\n }\r\n return 8979003;\r\n }\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4194344;\r\n }\r\n return 8455240;\r\n }\r\n case 8456259: {\r\n advanceChar(parser);\r\n const ch = parser.currentChar;\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 8456257;\r\n }\r\n if (ch !== 62)\r\n return 8456259;\r\n advanceChar(parser);\r\n if (parser.index < parser.end) {\r\n const ch = parser.currentChar;\r\n if (ch === 62) {\r\n if (advanceChar(parser) === 61) {\r\n advanceChar(parser);\r\n return 4194336;\r\n }\r\n return 8456518;\r\n }\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4194335;\r\n }\r\n }\r\n return 8456517;\r\n }\r\n case 8455751: {\r\n advanceChar(parser);\r\n const ch = parser.currentChar;\r\n if (ch === 38) {\r\n advanceChar(parser);\r\n if (parser.currentChar === 61) {\r\n advanceChar(parser);\r\n return 4194347;\r\n }\r\n return 8979258;\r\n }\r\n if (ch === 61) {\r\n advanceChar(parser);\r\n return 4194345;\r\n }\r\n return 8455751;\r\n }\r\n case 22: {\r\n let ch = advanceChar(parser);\r\n if (ch === 63) {\r\n advanceChar(parser);\r\n if (parser.currentChar === 61) {\r\n advanceChar(parser);\r\n return 4194348;\r\n }\r\n return 276889982;\r\n }\r\n if (ch === 46) {\r\n const index = parser.index + 1;\r\n if (index < parser.end) {\r\n ch = source.charCodeAt(index);\r\n if (!(ch >= 48 && ch <= 57)) {\r\n advanceChar(parser);\r\n return 67108991;\r\n }\r\n }\r\n }\r\n return 22;\r\n }\r\n }\r\n }\r\n else {\r\n if ((char ^ 8232) <= 1) {\r\n state = (state & ~4) | 1;\r\n scanNewLine(parser);\r\n continue;\r\n }\r\n if ((char & 0xfc00) === 0xd800 || ((unicodeLookup[(char >>> 5) + 34816] >>> char) & 31 & 1) !== 0) {\r\n if ((char & 0xfc00) === 0xdc00) {\r\n char = ((char & 0x3ff) << 10) | (char & 0x3ff) | 0x10000;\r\n if (((unicodeLookup[(char >>> 5) + 0] >>> char) & 31 & 1) === 0) {\r\n report(parser, 18, fromCodePoint(char));\r\n }\r\n parser.index++;\r\n parser.currentChar = char;\r\n }\r\n parser.column++;\r\n parser.tokenValue = '';\r\n return scanIdentifierSlowCase(parser, context, 0, 0);\r\n }\r\n if (isExoticECMAScriptWhitespace(char)) {\r\n advanceChar(parser);\r\n continue;\r\n }\r\n report(parser, 18, fromCodePoint(char));\r\n }\r\n }\r\n return 1048576;\r\n}\n\nconst entities = {\r\n AElig: '\\u00C6',\r\n AMP: '\\u0026',\r\n Aacute: '\\u00C1',\r\n Abreve: '\\u0102',\r\n Acirc: '\\u00C2',\r\n Acy: '\\u0410',\r\n Afr: '\\uD835\\uDD04',\r\n Agrave: '\\u00C0',\r\n Alpha: '\\u0391',\r\n Amacr: '\\u0100',\r\n And: '\\u2A53',\r\n Aogon: '\\u0104',\r\n Aopf: '\\uD835\\uDD38',\r\n ApplyFunction: '\\u2061',\r\n Aring: '\\u00C5',\r\n Ascr: '\\uD835\\uDC9C',\r\n Assign: '\\u2254',\r\n Atilde: '\\u00C3',\r\n Auml: '\\u00C4',\r\n Backslash: '\\u2216',\r\n Barv: '\\u2AE7',\r\n Barwed: '\\u2306',\r\n Bcy: '\\u0411',\r\n Because: '\\u2235',\r\n Bernoullis: '\\u212C',\r\n Beta: '\\u0392',\r\n Bfr: '\\uD835\\uDD05',\r\n Bopf: '\\uD835\\uDD39',\r\n Breve: '\\u02D8',\r\n Bscr: '\\u212C',\r\n Bumpeq: '\\u224E',\r\n CHcy: '\\u0427',\r\n COPY: '\\u00A9',\r\n Cacute: '\\u0106',\r\n Cap: '\\u22D2',\r\n CapitalDifferentialD: '\\u2145',\r\n Cayleys: '\\u212D',\r\n Ccaron: '\\u010C',\r\n Ccedil: '\\u00C7',\r\n Ccirc: '\\u0108',\r\n Cconint: '\\u2230',\r\n Cdot: '\\u010A',\r\n Cedilla: '\\u00B8',\r\n CenterDot: '\\u00B7',\r\n Cfr: '\\u212D',\r\n Chi: '\\u03A7',\r\n CircleDot: '\\u2299',\r\n CircleMinus: '\\u2296',\r\n CirclePlus: '\\u2295',\r\n CircleTimes: '\\u2297',\r\n ClockwiseContourIntegral: '\\u2232',\r\n CloseCurlyDoubleQuote: '\\u201D',\r\n CloseCurlyQuote: '\\u2019',\r\n Colon: '\\u2237',\r\n Colone: '\\u2A74',\r\n Congruent: '\\u2261',\r\n Conint: '\\u222F',\r\n ContourIntegral: '\\u222E',\r\n Copf: '\\u2102',\r\n Coproduct: '\\u2210',\r\n CounterClockwiseContourIntegral: '\\u2233',\r\n Cross: '\\u2A2F',\r\n Cscr: '\\uD835\\uDC9E',\r\n Cup: '\\u22D3',\r\n CupCap: '\\u224D',\r\n DD: '\\u2145',\r\n DDotrahd: '\\u2911',\r\n DJcy: '\\u0402',\r\n DScy: '\\u0405',\r\n DZcy: '\\u040F',\r\n Dagger: '\\u2021',\r\n Darr: '\\u21A1',\r\n Dashv: '\\u2AE4',\r\n Dcaron: '\\u010E',\r\n Dcy: '\\u0414',\r\n Del: '\\u2207',\r\n Delta: '\\u0394',\r\n Dfr: '\\uD835\\uDD07',\r\n DiacriticalAcute: '\\u00B4',\r\n DiacriticalDot: '\\u02D9',\r\n DiacriticalDoubleAcute: '\\u02DD',\r\n DiacriticalGrave: '\\u0060',\r\n DiacriticalTilde: '\\u02DC',\r\n Diamond: '\\u22C4',\r\n DifferentialD: '\\u2146',\r\n Dopf: '\\uD835\\uDD3B',\r\n Dot: '\\u00A8',\r\n DotDot: '\\u20DC',\r\n DotEqual: '\\u2250',\r\n DoubleContourIntegral: '\\u222F',\r\n DoubleDot: '\\u00A8',\r\n DoubleDownArrow: '\\u21D3',\r\n DoubleLeftArrow: '\\u21D0',\r\n DoubleLeftRightArrow: '\\u21D4',\r\n DoubleLeftTee: '\\u2AE4',\r\n DoubleLongLeftArrow: '\\u27F8',\r\n DoubleLongLeftRightArrow: '\\u27FA',\r\n DoubleLongRightArrow: '\\u27F9',\r\n DoubleRightArrow: '\\u21D2',\r\n DoubleRightTee: '\\u22A8',\r\n DoubleUpArrow: '\\u21D1',\r\n DoubleUpDownArrow: '\\u21D5',\r\n DoubleVerticalBar: '\\u2225',\r\n DownArrow: '\\u2193',\r\n DownArrowBar: '\\u2913',\r\n DownArrowUpArrow: '\\u21F5',\r\n DownBreve: '\\u0311',\r\n DownLeftRightVector: '\\u2950',\r\n DownLeftTeeVector: '\\u295E',\r\n DownLeftVector: '\\u21BD',\r\n DownLeftVectorBar: '\\u2956',\r\n DownRightTeeVector: '\\u295F',\r\n DownRightVector: '\\u21C1',\r\n DownRightVectorBar: '\\u2957',\r\n DownTee: '\\u22A4',\r\n DownTeeArrow: '\\u21A7',\r\n Downarrow: '\\u21D3',\r\n Dscr: '\\uD835\\uDC9F',\r\n Dstrok: '\\u0110',\r\n ENG: '\\u014A',\r\n ETH: '\\u00D0',\r\n Eacute: '\\u00C9',\r\n Ecaron: '\\u011A',\r\n Ecirc: '\\u00CA',\r\n Ecy: '\\u042D',\r\n Edot: '\\u0116',\r\n Efr: '\\uD835\\uDD08',\r\n Egrave: '\\u00C8',\r\n Element: '\\u2208',\r\n Emacr: '\\u0112',\r\n EmptySmallSquare: '\\u25FB',\r\n EmptyVerySmallSquare: '\\u25AB',\r\n Eogon: '\\u0118',\r\n Eopf: '\\uD835\\uDD3C',\r\n Epsilon: '\\u0395',\r\n Equal: '\\u2A75',\r\n EqualTilde: '\\u2242',\r\n Equilibrium: '\\u21CC',\r\n Escr: '\\u2130',\r\n Esim: '\\u2A73',\r\n Eta: '\\u0397',\r\n Euml: '\\u00CB',\r\n Exists: '\\u2203',\r\n ExponentialE: '\\u2147',\r\n Fcy: '\\u0424',\r\n Ffr: '\\uD835\\uDD09',\r\n FilledSmallSquare: '\\u25FC',\r\n FilledVerySmallSquare: '\\u25AA',\r\n Fopf: '\\uD835\\uDD3D',\r\n ForAll: '\\u2200',\r\n Fouriertrf: '\\u2131',\r\n Fscr: '\\u2131',\r\n GJcy: '\\u0403',\r\n GT: '\\u003E',\r\n Gamma: '\\u0393',\r\n Gammad: '\\u03DC',\r\n Gbreve: '\\u011E',\r\n Gcedil: '\\u0122',\r\n Gcirc: '\\u011C',\r\n Gcy: '\\u0413',\r\n Gdot: '\\u0120',\r\n Gfr: '\\uD835\\uDD0A',\r\n Gg: '\\u22D9',\r\n Gopf: '\\uD835\\uDD3E',\r\n GreaterEqual: '\\u2265',\r\n GreaterEqualLess: '\\u22DB',\r\n GreaterFullEqual: '\\u2267',\r\n GreaterGreater: '\\u2AA2',\r\n GreaterLess: '\\u2277',\r\n GreaterSlantEqual: '\\u2A7E',\r\n GreaterTilde: '\\u2273',\r\n Gscr: '\\uD835\\uDCA2',\r\n Gt: '\\u226B',\r\n HARDcy: '\\u042A',\r\n Hacek: '\\u02C7',\r\n Hat: '\\u005E',\r\n Hcirc: '\\u0124',\r\n Hfr: '\\u210C',\r\n HilbertSpace: '\\u210B',\r\n Hopf: '\\u210D',\r\n HorizontalLine: '\\u2500',\r\n Hscr: '\\u210B',\r\n Hstrok: '\\u0126',\r\n HumpDownHump: '\\u224E',\r\n HumpEqual: '\\u224F',\r\n IEcy: '\\u0415',\r\n IJlig: '\\u0132',\r\n IOcy: '\\u0401',\r\n Iacute: '\\u00CD',\r\n Icirc: '\\u00CE',\r\n Icy: '\\u0418',\r\n Idot: '\\u0130',\r\n Ifr: '\\u2111',\r\n Igrave: '\\u00CC',\r\n Im: '\\u2111',\r\n Imacr: '\\u012A',\r\n ImaginaryI: '\\u2148',\r\n Implies: '\\u21D2',\r\n Int: '\\u222C',\r\n Integral: '\\u222B',\r\n Intersection: '\\u22C2',\r\n InvisibleComma: '\\u2063',\r\n InvisibleTimes: '\\u2062',\r\n Iogon: '\\u012E',\r\n Iopf: '\\uD835\\uDD40',\r\n Iota: '\\u0399',\r\n Iscr: '\\u2110',\r\n Itilde: '\\u0128',\r\n Iukcy: '\\u0406',\r\n Iuml: '\\u00CF',\r\n Jcirc: '\\u0134',\r\n Jcy: '\\u0419',\r\n Jfr: '\\uD835\\uDD0D',\r\n Jopf: '\\uD835\\uDD41',\r\n Jscr: '\\uD835\\uDCA5',\r\n Jsercy: '\\u0408',\r\n Jukcy: '\\u0404',\r\n KHcy: '\\u0425',\r\n KJcy: '\\u040C',\r\n Kappa: '\\u039A',\r\n Kcedil: '\\u0136',\r\n Kcy: '\\u041A',\r\n Kfr: '\\uD835\\uDD0E',\r\n Kopf: '\\uD835\\uDD42',\r\n Kscr: '\\uD835\\uDCA6',\r\n LJcy: '\\u0409',\r\n LT: '\\u003C',\r\n Lacute: '\\u0139',\r\n Lambda: '\\u039B',\r\n Lang: '\\u27EA',\r\n Laplacetrf: '\\u2112',\r\n Larr: '\\u219E',\r\n Lcaron: '\\u013D',\r\n Lcedil: '\\u013B',\r\n Lcy: '\\u041B',\r\n LeftAngleBracket: '\\u27E8',\r\n LeftArrow: '\\u2190',\r\n LeftArrowBar: '\\u21E4',\r\n LeftArrowRightArrow: '\\u21C6',\r\n LeftCeiling: '\\u2308',\r\n LeftDoubleBracket: '\\u27E6',\r\n LeftDownTeeVector: '\\u2961',\r\n LeftDownVector: '\\u21C3',\r\n LeftDownVectorBar: '\\u2959',\r\n LeftFloor: '\\u230A',\r\n LeftRightArrow: '\\u2194',\r\n LeftRightVector: '\\u294E',\r\n LeftTee: '\\u22A3',\r\n LeftTeeArrow: '\\u21A4',\r\n LeftTeeVector: '\\u295A',\r\n LeftTriangle: '\\u22B2',\r\n LeftTriangleBar: '\\u29CF',\r\n LeftTriangleEqual: '\\u22B4',\r\n LeftUpDownVector: '\\u2951',\r\n LeftUpTeeVector: '\\u2960',\r\n LeftUpVector: '\\u21BF',\r\n LeftUpVectorBar: '\\u2958',\r\n LeftVector: '\\u21BC',\r\n LeftVectorBar: '\\u2952',\r\n Leftarrow: '\\u21D0',\r\n Leftrightarrow: '\\u21D4',\r\n LessEqualGreater: '\\u22DA',\r\n LessFullEqual: '\\u2266',\r\n LessGreater: '\\u2276',\r\n LessLess: '\\u2AA1',\r\n LessSlantEqual: '\\u2A7D',\r\n LessTilde: '\\u2272',\r\n Lfr: '\\uD835\\uDD0F',\r\n Ll: '\\u22D8',\r\n Lleftarrow: '\\u21DA',\r\n Lmidot: '\\u013F',\r\n LongLeftArrow: '\\u27F5',\r\n LongLeftRightArrow: '\\u27F7',\r\n LongRightArrow: '\\u27F6',\r\n Longleftarrow: '\\u27F8',\r\n Longleftrightarrow: '\\u27FA',\r\n Longrightarrow: '\\u27F9',\r\n Lopf: '\\uD835\\uDD43',\r\n LowerLeftArrow: '\\u2199',\r\n LowerRightArrow: '\\u2198',\r\n Lscr: '\\u2112',\r\n Lsh: '\\u21B0',\r\n Lstrok: '\\u0141',\r\n Lt: '\\u226A',\r\n Map: '\\u2905',\r\n Mcy: '\\u041C',\r\n MediumSpace: '\\u205F',\r\n Mellintrf: '\\u2133',\r\n Mfr: '\\uD835\\uDD10',\r\n MinusPlus: '\\u2213',\r\n Mopf: '\\uD835\\uDD44',\r\n Mscr: '\\u2133',\r\n Mu: '\\u039C',\r\n NJcy: '\\u040A',\r\n Nacute: '\\u0143',\r\n Ncaron: '\\u0147',\r\n Ncedil: '\\u0145',\r\n Ncy: '\\u041D',\r\n NegativeMediumSpace: '\\u200B',\r\n NegativeThickSpace: '\\u200B',\r\n NegativeThinSpace: '\\u200B',\r\n NegativeVeryThinSpace: '\\u200B',\r\n NestedGreaterGreater: '\\u226B',\r\n NestedLessLess: '\\u226A',\r\n NewLine: '\\u000A',\r\n Nfr: '\\uD835\\uDD11',\r\n NoBreak: '\\u2060',\r\n NonBreakingSpace: '\\u00A0',\r\n Nopf: '\\u2115',\r\n Not: '\\u2AEC',\r\n NotCongruent: '\\u2262',\r\n NotCupCap: '\\u226D',\r\n NotDoubleVerticalBar: '\\u2226',\r\n NotElement: '\\u2209',\r\n NotEqual: '\\u2260',\r\n NotEqualTilde: '\\u2242\\u0338',\r\n NotExists: '\\u2204',\r\n NotGreater: '\\u226F',\r\n NotGreaterEqual: '\\u2271',\r\n NotGreaterFullEqual: '\\u2267\\u0338',\r\n NotGreaterGreater: '\\u226B\\u0338',\r\n NotGreaterLess: '\\u2279',\r\n NotGreaterSlantEqual: '\\u2A7E\\u0338',\r\n NotGreaterTilde: '\\u2275',\r\n NotHumpDownHump: '\\u224E\\u0338',\r\n NotHumpEqual: '\\u224F\\u0338',\r\n NotLeftTriangle: '\\u22EA',\r\n NotLeftTriangleBar: '\\u29CF\\u0338',\r\n NotLeftTriangleEqual: '\\u22EC',\r\n NotLess: '\\u226E',\r\n NotLessEqual: '\\u2270',\r\n NotLessGreater: '\\u2278',\r\n NotLessLess: '\\u226A\\u0338',\r\n NotLessSlantEqual: '\\u2A7D\\u0338',\r\n NotLessTilde: '\\u2274',\r\n NotNestedGreaterGreater: '\\u2AA2\\u0338',\r\n NotNestedLessLess: '\\u2AA1\\u0338',\r\n NotPrecedes: '\\u2280',\r\n NotPrecedesEqual: '\\u2AAF\\u0338',\r\n NotPrecedesSlantEqual: '\\u22E0',\r\n NotReverseElement: '\\u220C',\r\n NotRightTriangle: '\\u22EB',\r\n NotRightTriangleBar: '\\u29D0\\u0338',\r\n NotRightTriangleEqual: '\\u22ED',\r\n NotSquareSubset: '\\u228F\\u0338',\r\n NotSquareSubsetEqual: '\\u22E2',\r\n NotSquareSuperset: '\\u2290\\u0338',\r\n NotSquareSupersetEqual: '\\u22E3',\r\n NotSubset: '\\u2282\\u20D2',\r\n NotSubsetEqual: '\\u2288',\r\n NotSucceeds: '\\u2281',\r\n NotSucceedsEqual: '\\u2AB0\\u0338',\r\n NotSucceedsSlantEqual: '\\u22E1',\r\n NotSucceedsTilde: '\\u227F\\u0338',\r\n NotSuperset: '\\u2283\\u20D2',\r\n NotSupersetEqual: '\\u2289',\r\n NotTilde: '\\u2241',\r\n NotTildeEqual: '\\u2244',\r\n NotTildeFullEqual: '\\u2247',\r\n NotTildeTilde: '\\u2249',\r\n NotVerticalBar: '\\u2224',\r\n Nscr: '\\uD835\\uDCA9',\r\n Ntilde: '\\u00D1',\r\n Nu: '\\u039D',\r\n OElig: '\\u0152',\r\n Oacute: '\\u00D3',\r\n Ocirc: '\\u00D4',\r\n Ocy: '\\u041E',\r\n Odblac: '\\u0150',\r\n Ofr: '\\uD835\\uDD12',\r\n Ograve: '\\u00D2',\r\n Omacr: '\\u014C',\r\n Omega: '\\u03A9',\r\n Omicron: '\\u039F',\r\n Oopf: '\\uD835\\uDD46',\r\n OpenCurlyDoubleQuote: '\\u201C',\r\n OpenCurlyQuote: '\\u2018',\r\n Or: '\\u2A54',\r\n Oscr: '\\uD835\\uDCAA',\r\n Oslash: '\\u00D8',\r\n Otilde: '\\u00D5',\r\n Otimes: '\\u2A37',\r\n Ouml: '\\u00D6',\r\n OverBar: '\\u203E',\r\n OverBrace: '\\u23DE',\r\n OverBracket: '\\u23B4',\r\n OverParenthesis: '\\u23DC',\r\n PartialD: '\\u2202',\r\n Pcy: '\\u041F',\r\n Pfr: '\\uD835\\uDD13',\r\n Phi: '\\u03A6',\r\n Pi: '\\u03A0',\r\n PlusMinus: '\\u00B1',\r\n Poincareplane: '\\u210C',\r\n Popf: '\\u2119',\r\n Pr: '\\u2ABB',\r\n Precedes: '\\u227A',\r\n PrecedesEqual: '\\u2AAF',\r\n PrecedesSlantEqual: '\\u227C',\r\n PrecedesTilde: '\\u227E',\r\n Prime: '\\u2033',\r\n Product: '\\u220F',\r\n Proportion: '\\u2237',\r\n Proportional: '\\u221D',\r\n Pscr: '\\uD835\\uDCAB',\r\n Psi: '\\u03A8',\r\n QUOT: '\\u0022',\r\n Qfr: '\\uD835\\uDD14',\r\n Qopf: '\\u211A',\r\n Qscr: '\\uD835\\uDCAC',\r\n RBarr: '\\u2910',\r\n REG: '\\u00AE',\r\n Racute: '\\u0154',\r\n Rang: '\\u27EB',\r\n Rarr: '\\u21A0',\r\n Rarrtl: '\\u2916',\r\n Rcaron: '\\u0158',\r\n Rcedil: '\\u0156',\r\n Rcy: '\\u0420',\r\n Re: '\\u211C',\r\n ReverseElement: '\\u220B',\r\n ReverseEquilibrium: '\\u21CB',\r\n ReverseUpEquilibrium: '\\u296F',\r\n Rfr: '\\u211C',\r\n Rho: '\\u03A1',\r\n RightAngleBracket: '\\u27E9',\r\n RightArrow: '\\u2192',\r\n RightArrowBar: '\\u21E5',\r\n RightArrowLeftArrow: '\\u21C4',\r\n RightCeiling: '\\u2309',\r\n RightDoubleBracket: '\\u27E7',\r\n RightDownTeeVector: '\\u295D',\r\n RightDownVector: '\\u21C2',\r\n RightDownVectorBar: '\\u2955',\r\n RightFloor: '\\u230B',\r\n RightTee: '\\u22A2',\r\n RightTeeArrow: '\\u21A6',\r\n RightTeeVector: '\\u295B',\r\n RightTriangle: '\\u22B3',\r\n RightTriangleBar: '\\u29D0',\r\n RightTriangleEqual: '\\u22B5',\r\n RightUpDownVector: '\\u294F',\r\n RightUpTeeVector: '\\u295C',\r\n RightUpVector: '\\u21BE',\r\n RightUpVectorBar: '\\u2954',\r\n RightVector: '\\u21C0',\r\n RightVectorBar: '\\u2953',\r\n Rightarrow: '\\u21D2',\r\n Ropf: '\\u211D',\r\n RoundImplies: '\\u2970',\r\n Rrightarrow: '\\u21DB',\r\n Rscr: '\\u211B',\r\n Rsh: '\\u21B1',\r\n RuleDelayed: '\\u29F4',\r\n SHCHcy: '\\u0429',\r\n SHcy: '\\u0428',\r\n SOFTcy: '\\u042C',\r\n Sacute: '\\u015A',\r\n Sc: '\\u2ABC',\r\n Scaron: '\\u0160',\r\n Scedil: '\\u015E',\r\n Scirc: '\\u015C',\r\n Scy: '\\u0421',\r\n Sfr: '\\uD835\\uDD16',\r\n ShortDownArrow: '\\u2193',\r\n ShortLeftArrow: '\\u2190',\r\n ShortRightArrow: '\\u2192',\r\n ShortUpArrow: '\\u2191',\r\n Sigma: '\\u03A3',\r\n SmallCircle: '\\u2218',\r\n Sopf: '\\uD835\\uDD4A',\r\n Sqrt: '\\u221A',\r\n Square: '\\u25A1',\r\n SquareIntersection: '\\u2293',\r\n SquareSubset: '\\u228F',\r\n SquareSubsetEqual: '\\u2291',\r\n SquareSuperset: '\\u2290',\r\n SquareSupersetEqual: '\\u2292',\r\n SquareUnion: '\\u2294',\r\n Sscr: '\\uD835\\uDCAE',\r\n Star: '\\u22C6',\r\n Sub: '\\u22D0',\r\n Subset: '\\u22D0',\r\n SubsetEqual: '\\u2286',\r\n Succeeds: '\\u227B',\r\n SucceedsEqual: '\\u2AB0',\r\n SucceedsSlantEqual: '\\u227D',\r\n SucceedsTilde: '\\u227F',\r\n SuchThat: '\\u220B',\r\n Sum: '\\u2211',\r\n Sup: '\\u22D1',\r\n Superset: '\\u2283',\r\n SupersetEqual: '\\u2287',\r\n Supset: '\\u22D1',\r\n THORN: '\\u00DE',\r\n TRADE: '\\u2122',\r\n TSHcy: '\\u040B',\r\n TScy: '\\u0426',\r\n Tab: '\\u0009',\r\n Tau: '\\u03A4',\r\n Tcaron: '\\u0164',\r\n Tcedil: '\\u0162',\r\n Tcy: '\\u0422',\r\n Tfr: '\\uD835\\uDD17',\r\n Therefore: '\\u2234',\r\n Theta: '\\u0398',\r\n ThickSpace: '\\u205F\\u200A',\r\n ThinSpace: '\\u2009',\r\n Tilde: '\\u223C',\r\n TildeEqual: '\\u2243',\r\n TildeFullEqual: '\\u2245',\r\n TildeTilde: '\\u2248',\r\n Topf: '\\uD835\\uDD4B',\r\n TripleDot: '\\u20DB',\r\n Tscr: '\\uD835\\uDCAF',\r\n Tstrok: '\\u0166',\r\n Uacute: '\\u00DA',\r\n Uarr: '\\u219F',\r\n Uarrocir: '\\u2949',\r\n Ubrcy: '\\u040E',\r\n Ubreve: '\\u016C',\r\n Ucirc: '\\u00DB',\r\n Ucy: '\\u0423',\r\n Udblac: '\\u0170',\r\n Ufr: '\\uD835\\uDD18',\r\n Ugrave: '\\u00D9',\r\n Umacr: '\\u016A',\r\n UnderBar: '\\u005F',\r\n UnderBrace: '\\u23DF',\r\n UnderBracket: '\\u23B5',\r\n UnderParenthesis: '\\u23DD',\r\n Union: '\\u22C3',\r\n UnionPlus: '\\u228E',\r\n Uogon: '\\u0172',\r\n Uopf: '\\uD835\\uDD4C',\r\n UpArrow: '\\u2191',\r\n UpArrowBar: '\\u2912',\r\n UpArrowDownArrow: '\\u21C5',\r\n UpDownArrow: '\\u2195',\r\n UpEquilibrium: '\\u296E',\r\n UpTee: '\\u22A5',\r\n UpTeeArrow: '\\u21A5',\r\n Uparrow: '\\u21D1',\r\n Updownarrow: '\\u21D5',\r\n UpperLeftArrow: '\\u2196',\r\n UpperRightArrow: '\\u2197',\r\n Upsi: '\\u03D2',\r\n Upsilon: '\\u03A5',\r\n Uring: '\\u016E',\r\n Uscr: '\\uD835\\uDCB0',\r\n Utilde: '\\u0168',\r\n Uuml: '\\u00DC',\r\n VDash: '\\u22AB',\r\n Vbar: '\\u2AEB',\r\n Vcy: '\\u0412',\r\n Vdash: '\\u22A9',\r\n Vdashl: '\\u2AE6',\r\n Vee: '\\u22C1',\r\n Verbar: '\\u2016',\r\n Vert: '\\u2016',\r\n VerticalBar: '\\u2223',\r\n VerticalLine: '\\u007C',\r\n VerticalSeparator: '\\u2758',\r\n VerticalTilde: '\\u2240',\r\n VeryThinSpace: '\\u200A',\r\n Vfr: '\\uD835\\uDD19',\r\n Vopf: '\\uD835\\uDD4D',\r\n Vscr: '\\uD835\\uDCB1',\r\n Vvdash: '\\u22AA',\r\n Wcirc: '\\u0174',\r\n Wedge: '\\u22C0',\r\n Wfr: '\\uD835\\uDD1A',\r\n Wopf: '\\uD835\\uDD4E',\r\n Wscr: '\\uD835\\uDCB2',\r\n Xfr: '\\uD835\\uDD1B',\r\n Xi: '\\u039E',\r\n Xopf: '\\uD835\\uDD4F',\r\n Xscr: '\\uD835\\uDCB3',\r\n YAcy: '\\u042F',\r\n YIcy: '\\u0407',\r\n YUcy: '\\u042E',\r\n Yacute: '\\u00DD',\r\n Ycirc: '\\u0176',\r\n Ycy: '\\u042B',\r\n Yfr: '\\uD835\\uDD1C',\r\n Yopf: '\\uD835\\uDD50',\r\n Yscr: '\\uD835\\uDCB4',\r\n Yuml: '\\u0178',\r\n ZHcy: '\\u0416',\r\n Zacute: '\\u0179',\r\n Zcaron: '\\u017D',\r\n Zcy: '\\u0417',\r\n Zdot: '\\u017B',\r\n ZeroWidthSpace: '\\u200B',\r\n Zeta: '\\u0396',\r\n Zfr: '\\u2128',\r\n Zopf: '\\u2124',\r\n Zscr: '\\uD835\\uDCB5',\r\n aacute: '\\u00E1',\r\n abreve: '\\u0103',\r\n ac: '\\u223E',\r\n acE: '\\u223E\\u0333',\r\n acd: '\\u223F',\r\n acirc: '\\u00E2',\r\n acute: '\\u00B4',\r\n acy: '\\u0430',\r\n aelig: '\\u00E6',\r\n af: '\\u2061',\r\n afr: '\\uD835\\uDD1E',\r\n agrave: '\\u00E0',\r\n alefsym: '\\u2135',\r\n aleph: '\\u2135',\r\n alpha: '\\u03B1',\r\n amacr: '\\u0101',\r\n amalg: '\\u2A3F',\r\n amp: '\\u0026',\r\n and: '\\u2227',\r\n andand: '\\u2A55',\r\n andd: '\\u2A5C',\r\n andslope: '\\u2A58',\r\n andv: '\\u2A5A',\r\n ang: '\\u2220',\r\n ange: '\\u29A4',\r\n angle: '\\u2220',\r\n angmsd: '\\u2221',\r\n angmsdaa: '\\u29A8',\r\n angmsdab: '\\u29A9',\r\n angmsdac: '\\u29AA',\r\n angmsdad: '\\u29AB',\r\n angmsdae: '\\u29AC',\r\n angmsdaf: '\\u29AD',\r\n angmsdag: '\\u29AE',\r\n angmsdah: '\\u29AF',\r\n angrt: '\\u221F',\r\n angrtvb: '\\u22BE',\r\n angrtvbd: '\\u299D',\r\n angsph: '\\u2222',\r\n angst: '\\u00C5',\r\n angzarr: '\\u237C',\r\n aogon: '\\u0105',\r\n aopf: '\\uD835\\uDD52',\r\n ap: '\\u2248',\r\n apE: '\\u2A70',\r\n apacir: '\\u2A6F',\r\n ape: '\\u224A',\r\n apid: '\\u224B',\r\n apos: '\\u0027',\r\n approx: '\\u2248',\r\n approxeq: '\\u224A',\r\n aring: '\\u00E5',\r\n ascr: '\\uD835\\uDCB6',\r\n ast: '\\u002A',\r\n asymp: '\\u2248',\r\n asympeq: '\\u224D',\r\n atilde: '\\u00E3',\r\n auml: '\\u00E4',\r\n awconint: '\\u2233',\r\n awint: '\\u2A11',\r\n bNot: '\\u2AED',\r\n backcong: '\\u224C',\r\n backepsilon: '\\u03F6',\r\n backprime: '\\u2035',\r\n backsim: '\\u223D',\r\n backsimeq: '\\u22CD',\r\n barvee: '\\u22BD',\r\n barwed: '\\u2305',\r\n barwedge: '\\u2305',\r\n bbrk: '\\u23B5',\r\n bbrktbrk: '\\u23B6',\r\n bcong: '\\u224C',\r\n bcy: '\\u0431',\r\n bdquo: '\\u201E',\r\n becaus: '\\u2235',\r\n because: '\\u2235',\r\n bemptyv: '\\u29B0',\r\n bepsi: '\\u03F6',\r\n bernou: '\\u212C',\r\n beta: '\\u03B2',\r\n beth: '\\u2136',\r\n between: '\\u226C',\r\n bfr: '\\uD835\\uDD1F',\r\n bigcap: '\\u22C2',\r\n bigcirc: '\\u25EF',\r\n bigcup: '\\u22C3',\r\n bigodot: '\\u2A00',\r\n bigoplus: '\\u2A01',\r\n bigotimes: '\\u2A02',\r\n bigsqcup: '\\u2A06',\r\n bigstar: '\\u2605',\r\n bigtriangledown: '\\u25BD',\r\n bigtriangleup: '\\u25B3',\r\n biguplus: '\\u2A04',\r\n bigvee: '\\u22C1',\r\n bigwedge: '\\u22C0',\r\n bkarow: '\\u290D',\r\n blacklozenge: '\\u29EB',\r\n blacksquare: '\\u25AA',\r\n blacktriangle: '\\u25B4',\r\n blacktriangledown: '\\u25BE',\r\n blacktriangleleft: '\\u25C2',\r\n blacktriangleright: '\\u25B8',\r\n blank: '\\u2423',\r\n blk12: '\\u2592',\r\n blk14: '\\u2591',\r\n blk34: '\\u2593',\r\n block: '\\u2588',\r\n bne: '\\u003D\\u20E5',\r\n bnequiv: '\\u2261\\u20E5',\r\n bnot: '\\u2310',\r\n bopf: '\\uD835\\uDD53',\r\n bot: '\\u22A5',\r\n bottom: '\\u22A5',\r\n bowtie: '\\u22C8',\r\n boxDL: '\\u2557',\r\n boxDR: '\\u2554',\r\n boxDl: '\\u2556',\r\n boxDr: '\\u2553',\r\n boxH: '\\u2550',\r\n boxHD: '\\u2566',\r\n boxHU: '\\u2569',\r\n boxHd: '\\u2564',\r\n boxHu: '\\u2567',\r\n boxUL: '\\u255D',\r\n boxUR: '\\u255A',\r\n boxUl: '\\u255C',\r\n boxUr: '\\u2559',\r\n boxV: '\\u2551',\r\n boxVH: '\\u256C',\r\n boxVL: '\\u2563',\r\n boxVR: '\\u2560',\r\n boxVh: '\\u256B',\r\n boxVl: '\\u2562',\r\n boxVr: '\\u255F',\r\n boxbox: '\\u29C9',\r\n boxdL: '\\u2555',\r\n boxdR: '\\u2552',\r\n boxdl: '\\u2510',\r\n boxdr: '\\u250C',\r\n boxh: '\\u2500',\r\n boxhD: '\\u2565',\r\n boxhU: '\\u2568',\r\n boxhd: '\\u252C',\r\n boxhu: '\\u2534',\r\n boxminus: '\\u229F',\r\n boxplus: '\\u229E',\r\n boxtimes: '\\u22A0',\r\n boxuL: '\\u255B',\r\n boxuR: '\\u2558',\r\n boxul: '\\u2518',\r\n boxur: '\\u2514',\r\n boxv: '\\u2502',\r\n boxvH: '\\u256A',\r\n boxvL: '\\u2561',\r\n boxvR: '\\u255E',\r\n boxvh: '\\u253C',\r\n boxvl: '\\u2524',\r\n boxvr: '\\u251C',\r\n bprime: '\\u2035',\r\n breve: '\\u02D8',\r\n brvbar: '\\u00A6',\r\n bscr: '\\uD835\\uDCB7',\r\n bsemi: '\\u204F',\r\n bsim: '\\u223D',\r\n bsime: '\\u22CD',\r\n bsol: '\\u005C',\r\n bsolb: '\\u29C5',\r\n bsolhsub: '\\u27C8',\r\n bull: '\\u2022',\r\n bullet: '\\u2022',\r\n bump: '\\u224E',\r\n bumpE: '\\u2AAE',\r\n bumpe: '\\u224F',\r\n bumpeq: '\\u224F',\r\n cacute: '\\u0107',\r\n cap: '\\u2229',\r\n capand: '\\u2A44',\r\n capbrcup: '\\u2A49',\r\n capcap: '\\u2A4B',\r\n capcup: '\\u2A47',\r\n capdot: '\\u2A40',\r\n caps: '\\u2229\\uFE00',\r\n caret: '\\u2041',\r\n caron: '\\u02C7',\r\n ccaps: '\\u2A4D',\r\n ccaron: '\\u010D',\r\n ccedil: '\\u00E7',\r\n ccirc: '\\u0109',\r\n ccups: '\\u2A4C',\r\n ccupssm: '\\u2A50',\r\n cdot: '\\u010B',\r\n cedil: '\\u00B8',\r\n cemptyv: '\\u29B2',\r\n cent: '\\u00A2',\r\n centerdot: '\\u00B7',\r\n cfr: '\\uD835\\uDD20',\r\n chcy: '\\u0447',\r\n check: '\\u2713',\r\n checkmark: '\\u2713',\r\n chi: '\\u03C7',\r\n cir: '\\u25CB',\r\n cirE: '\\u29C3',\r\n circ: '\\u02C6',\r\n circeq: '\\u2257',\r\n circlearrowleft: '\\u21BA',\r\n circlearrowright: '\\u21BB',\r\n circledR: '\\u00AE',\r\n circledS: '\\u24C8',\r\n circledast: '\\u229B',\r\n circledcirc: '\\u229A',\r\n circleddash: '\\u229D',\r\n cire: '\\u2257',\r\n cirfnint: '\\u2A10',\r\n cirmid: '\\u2AEF',\r\n cirscir: '\\u29C2',\r\n clubs: '\\u2663',\r\n clubsuit: '\\u2663',\r\n colon: '\\u003A',\r\n colone: '\\u2254',\r\n coloneq: '\\u2254',\r\n comma: '\\u002C',\r\n commat: '\\u0040',\r\n comp: '\\u2201',\r\n compfn: '\\u2218',\r\n complement: '\\u2201',\r\n complexes: '\\u2102',\r\n cong: '\\u2245',\r\n congdot: '\\u2A6D',\r\n conint: '\\u222E',\r\n copf: '\\uD835\\uDD54',\r\n coprod: '\\u2210',\r\n copy: '\\u00A9',\r\n copysr: '\\u2117',\r\n crarr: '\\u21B5',\r\n cross: '\\u2717',\r\n cscr: '\\uD835\\uDCB8',\r\n csub: '\\u2ACF',\r\n csube: '\\u2AD1',\r\n csup: '\\u2AD0',\r\n csupe: '\\u2AD2',\r\n ctdot: '\\u22EF',\r\n cudarrl: '\\u2938',\r\n cudarrr: '\\u2935',\r\n cuepr: '\\u22DE',\r\n cuesc: '\\u22DF',\r\n cularr: '\\u21B6',\r\n cularrp: '\\u293D',\r\n cup: '\\u222A',\r\n cupbrcap: '\\u2A48',\r\n cupcap: '\\u2A46',\r\n cupcup: '\\u2A4A',\r\n cupdot: '\\u228D',\r\n cupor: '\\u2A45',\r\n cups: '\\u222A\\uFE00',\r\n curarr: '\\u21B7',\r\n curarrm: '\\u293C',\r\n curlyeqprec: '\\u22DE',\r\n curlyeqsucc: '\\u22DF',\r\n curlyvee: '\\u22CE',\r\n curlywedge: '\\u22CF',\r\n curren: '\\u00A4',\r\n curvearrowleft: '\\u21B6',\r\n curvearrowright: '\\u21B7',\r\n cuvee: '\\u22CE',\r\n cuwed: '\\u22CF',\r\n cwconint: '\\u2232',\r\n cwint: '\\u2231',\r\n cylcty: '\\u232D',\r\n dArr: '\\u21D3',\r\n dHar: '\\u2965',\r\n dagger: '\\u2020',\r\n daleth: '\\u2138',\r\n darr: '\\u2193',\r\n dash: '\\u2010',\r\n dashv: '\\u22A3',\r\n dbkarow: '\\u290F',\r\n dblac: '\\u02DD',\r\n dcaron: '\\u010F',\r\n dcy: '\\u0434',\r\n dd: '\\u2146',\r\n ddagger: '\\u2021',\r\n ddarr: '\\u21CA',\r\n ddotseq: '\\u2A77',\r\n deg: '\\u00B0',\r\n delta: '\\u03B4',\r\n demptyv: '\\u29B1',\r\n dfisht: '\\u297F',\r\n dfr: '\\uD835\\uDD21',\r\n dharl: '\\u21C3',\r\n dharr: '\\u21C2',\r\n diam: '\\u22C4',\r\n diamond: '\\u22C4',\r\n diamondsuit: '\\u2666',\r\n diams: '\\u2666',\r\n die: '\\u00A8',\r\n digamma: '\\u03DD',\r\n disin: '\\u22F2',\r\n div: '\\u00F7',\r\n divide: '\\u00F7',\r\n divideontimes: '\\u22C7',\r\n divonx: '\\u22C7',\r\n djcy: '\\u0452',\r\n dlcorn: '\\u231E',\r\n dlcrop: '\\u230D',\r\n dollar: '\\u0024',\r\n dopf: '\\uD835\\uDD55',\r\n dot: '\\u02D9',\r\n doteq: '\\u2250',\r\n doteqdot: '\\u2251',\r\n dotminus: '\\u2238',\r\n dotplus: '\\u2214',\r\n dotsquare: '\\u22A1',\r\n doublebarwedge: '\\u2306',\r\n downarrow: '\\u2193',\r\n downdownarrows: '\\u21CA',\r\n downharpoonleft: '\\u21C3',\r\n downharpoonright: '\\u21C2',\r\n drbkarow: '\\u2910',\r\n drcorn: '\\u231F',\r\n drcrop: '\\u230C',\r\n dscr: '\\uD835\\uDCB9',\r\n dscy: '\\u0455',\r\n dsol: '\\u29F6',\r\n dstrok: '\\u0111',\r\n dtdot: '\\u22F1',\r\n dtri: '\\u25BF',\r\n dtrif: '\\u25BE',\r\n duarr: '\\u21F5',\r\n duhar: '\\u296F',\r\n dwangle: '\\u29A6',\r\n dzcy: '\\u045F',\r\n dzigrarr: '\\u27FF',\r\n eDDot: '\\u2A77',\r\n eDot: '\\u2251',\r\n eacute: '\\u00E9',\r\n easter: '\\u2A6E',\r\n ecaron: '\\u011B',\r\n ecir: '\\u2256',\r\n ecirc: '\\u00EA',\r\n ecolon: '\\u2255',\r\n ecy: '\\u044D',\r\n edot: '\\u0117',\r\n ee: '\\u2147',\r\n efDot: '\\u2252',\r\n efr: '\\uD835\\uDD22',\r\n eg: '\\u2A9A',\r\n egrave: '\\u00E8',\r\n egs: '\\u2A96',\r\n egsdot: '\\u2A98',\r\n el: '\\u2A99',\r\n elinters: '\\u23E7',\r\n ell: '\\u2113',\r\n els: '\\u2A95',\r\n elsdot: '\\u2A97',\r\n emacr: '\\u0113',\r\n empty: '\\u2205',\r\n emptyset: '\\u2205',\r\n emptyv: '\\u2205',\r\n emsp13: '\\u2004',\r\n emsp14: '\\u2005',\r\n emsp: '\\u2003',\r\n eng: '\\u014B',\r\n ensp: '\\u2002',\r\n eogon: '\\u0119',\r\n eopf: '\\uD835\\uDD56',\r\n epar: '\\u22D5',\r\n eparsl: '\\u29E3',\r\n eplus: '\\u2A71',\r\n epsi: '\\u03B5',\r\n epsilon: '\\u03B5',\r\n epsiv: '\\u03F5',\r\n eqcirc: '\\u2256',\r\n eqcolon: '\\u2255',\r\n eqsim: '\\u2242',\r\n eqslantgtr: '\\u2A96',\r\n eqslantless: '\\u2A95',\r\n equals: '\\u003D',\r\n equest: '\\u225F',\r\n equiv: '\\u2261',\r\n equivDD: '\\u2A78',\r\n eqvparsl: '\\u29E5',\r\n erDot: '\\u2253',\r\n erarr: '\\u2971',\r\n escr: '\\u212F',\r\n esdot: '\\u2250',\r\n esim: '\\u2242',\r\n eta: '\\u03B7',\r\n eth: '\\u00F0',\r\n euml: '\\u00EB',\r\n euro: '\\u20AC',\r\n excl: '\\u0021',\r\n exist: '\\u2203',\r\n expectation: '\\u2130',\r\n exponentiale: '\\u2147',\r\n fallingdotseq: '\\u2252',\r\n fcy: '\\u0444',\r\n female: '\\u2640',\r\n ffilig: '\\uFB03',\r\n fflig: '\\uFB00',\r\n ffllig: '\\uFB04',\r\n ffr: '\\uD835\\uDD23',\r\n filig: '\\uFB01',\r\n fjlig: '\\u0066\\u006A',\r\n flat: '\\u266D',\r\n fllig: '\\uFB02',\r\n fltns: '\\u25B1',\r\n fnof: '\\u0192',\r\n fopf: '\\uD835\\uDD57',\r\n forall: '\\u2200',\r\n fork: '\\u22D4',\r\n forkv: '\\u2AD9',\r\n fpartint: '\\u2A0D',\r\n frac12: '\\u00BD',\r\n frac13: '\\u2153',\r\n frac14: '\\u00BC',\r\n frac15: '\\u2155',\r\n frac16: '\\u2159',\r\n frac18: '\\u215B',\r\n frac23: '\\u2154',\r\n frac25: '\\u2156',\r\n frac34: '\\u00BE',\r\n frac35: '\\u2157',\r\n frac38: '\\u215C',\r\n frac45: '\\u2158',\r\n frac56: '\\u215A',\r\n frac58: '\\u215D',\r\n frac78: '\\u215E',\r\n frasl: '\\u2044',\r\n frown: '\\u2322',\r\n fscr: '\\uD835\\uDCBB',\r\n gE: '\\u2267',\r\n gEl: '\\u2A8C',\r\n gacute: '\\u01F5',\r\n gamma: '\\u03B3',\r\n gammad: '\\u03DD',\r\n gap: '\\u2A86',\r\n gbreve: '\\u011F',\r\n gcirc: '\\u011D',\r\n gcy: '\\u0433',\r\n gdot: '\\u0121',\r\n ge: '\\u2265',\r\n gel: '\\u22DB',\r\n geq: '\\u2265',\r\n geqq: '\\u2267',\r\n geqslant: '\\u2A7E',\r\n ges: '\\u2A7E',\r\n gescc: '\\u2AA9',\r\n gesdot: '\\u2A80',\r\n gesdoto: '\\u2A82',\r\n gesdotol: '\\u2A84',\r\n gesl: '\\u22DB\\uFE00',\r\n gesles: '\\u2A94',\r\n gfr: '\\uD835\\uDD24',\r\n gg: '\\u226B',\r\n ggg: '\\u22D9',\r\n gimel: '\\u2137',\r\n gjcy: '\\u0453',\r\n gl: '\\u2277',\r\n glE: '\\u2A92',\r\n gla: '\\u2AA5',\r\n glj: '\\u2AA4',\r\n gnE: '\\u2269',\r\n gnap: '\\u2A8A',\r\n gnapprox: '\\u2A8A',\r\n gne: '\\u2A88',\r\n gneq: '\\u2A88',\r\n gneqq: '\\u2269',\r\n gnsim: '\\u22E7',\r\n gopf: '\\uD835\\uDD58',\r\n grave: '\\u0060',\r\n gscr: '\\u210A',\r\n gsim: '\\u2273',\r\n gsime: '\\u2A8E',\r\n gsiml: '\\u2A90',\r\n gt: '\\u003E',\r\n gtcc: '\\u2AA7',\r\n gtcir: '\\u2A7A',\r\n gtdot: '\\u22D7',\r\n gtlPar: '\\u2995',\r\n gtquest: '\\u2A7C',\r\n gtrapprox: '\\u2A86',\r\n gtrarr: '\\u2978',\r\n gtrdot: '\\u22D7',\r\n gtreqless: '\\u22DB',\r\n gtreqqless: '\\u2A8C',\r\n gtrless: '\\u2277',\r\n gtrsim: '\\u2273',\r\n gvertneqq: '\\u2269\\uFE00',\r\n gvnE: '\\u2269\\uFE00',\r\n hArr: '\\u21D4',\r\n hairsp: '\\u200A',\r\n half: '\\u00BD',\r\n hamilt: '\\u210B',\r\n hardcy: '\\u044A',\r\n harr: '\\u2194',\r\n harrcir: '\\u2948',\r\n harrw: '\\u21AD',\r\n hbar: '\\u210F',\r\n hcirc: '\\u0125',\r\n hearts: '\\u2665',\r\n heartsuit: '\\u2665',\r\n hellip: '\\u2026',\r\n hercon: '\\u22B9',\r\n hfr: '\\uD835\\uDD25',\r\n hksearow: '\\u2925',\r\n hkswarow: '\\u2926',\r\n hoarr: '\\u21FF',\r\n homtht: '\\u223B',\r\n hookleftarrow: '\\u21A9',\r\n hookrightarrow: '\\u21AA',\r\n hopf: '\\uD835\\uDD59',\r\n horbar: '\\u2015',\r\n hscr: '\\uD835\\uDCBD',\r\n hslash: '\\u210F',\r\n hstrok: '\\u0127',\r\n hybull: '\\u2043',\r\n hyphen: '\\u2010',\r\n iacute: '\\u00ED',\r\n ic: '\\u2063',\r\n icirc: '\\u00EE',\r\n icy: '\\u0438',\r\n iecy: '\\u0435',\r\n iexcl: '\\u00A1',\r\n iff: '\\u21D4',\r\n ifr: '\\uD835\\uDD26',\r\n igrave: '\\u00EC',\r\n ii: '\\u2148',\r\n iiiint: '\\u2A0C',\r\n iiint: '\\u222D',\r\n iinfin: '\\u29DC',\r\n iiota: '\\u2129',\r\n ijlig: '\\u0133',\r\n imacr: '\\u012B',\r\n image: '\\u2111',\r\n imagline: '\\u2110',\r\n imagpart: '\\u2111',\r\n imath: '\\u0131',\r\n imof: '\\u22B7',\r\n imped: '\\u01B5',\r\n in: '\\u2208',\r\n incare: '\\u2105',\r\n infin: '\\u221E',\r\n infintie: '\\u29DD',\r\n inodot: '\\u0131',\r\n int: '\\u222B',\r\n intcal: '\\u22BA',\r\n integers: '\\u2124',\r\n intercal: '\\u22BA',\r\n intlarhk: '\\u2A17',\r\n intprod: '\\u2A3C',\r\n iocy: '\\u0451',\r\n iogon: '\\u012F',\r\n iopf: '\\uD835\\uDD5A',\r\n iota: '\\u03B9',\r\n iprod: '\\u2A3C',\r\n iquest: '\\u00BF',\r\n iscr: '\\uD835\\uDCBE',\r\n isin: '\\u2208',\r\n isinE: '\\u22F9',\r\n isindot: '\\u22F5',\r\n isins: '\\u22F4',\r\n isinsv: '\\u22F3',\r\n isinv: '\\u2208',\r\n it: '\\u2062',\r\n itilde: '\\u0129',\r\n iukcy: '\\u0456',\r\n iuml: '\\u00EF',\r\n jcirc: '\\u0135',\r\n jcy: '\\u0439',\r\n jfr: '\\uD835\\uDD27',\r\n jmath: '\\u0237',\r\n jopf: '\\uD835\\uDD5B',\r\n jscr: '\\uD835\\uDCBF',\r\n jsercy: '\\u0458',\r\n jukcy: '\\u0454',\r\n kappa: '\\u03BA',\r\n kappav: '\\u03F0',\r\n kcedil: '\\u0137',\r\n kcy: '\\u043A',\r\n kfr: '\\uD835\\uDD28',\r\n kgreen: '\\u0138',\r\n khcy: '\\u0445',\r\n kjcy: '\\u045C',\r\n kopf: '\\uD835\\uDD5C',\r\n kscr: '\\uD835\\uDCC0',\r\n lAarr: '\\u21DA',\r\n lArr: '\\u21D0',\r\n lAtail: '\\u291B',\r\n lBarr: '\\u290E',\r\n lE: '\\u2266',\r\n lEg: '\\u2A8B',\r\n lHar: '\\u2962',\r\n lacute: '\\u013A',\r\n laemptyv: '\\u29B4',\r\n lagran: '\\u2112',\r\n lambda: '\\u03BB',\r\n lang: '\\u27E8',\r\n langd: '\\u2991',\r\n langle: '\\u27E8',\r\n lap: '\\u2A85',\r\n laquo: '\\u00AB',\r\n larr: '\\u2190',\r\n larrb: '\\u21E4',\r\n larrbfs: '\\u291F',\r\n larrfs: '\\u291D',\r\n larrhk: '\\u21A9',\r\n larrlp: '\\u21AB',\r\n larrpl: '\\u2939',\r\n larrsim: '\\u2973',\r\n larrtl: '\\u21A2',\r\n lat: '\\u2AAB',\r\n latail: '\\u2919',\r\n late: '\\u2AAD',\r\n lates: '\\u2AAD\\uFE00',\r\n lbarr: '\\u290C',\r\n lbbrk: '\\u2772',\r\n lbrace: '\\u007B',\r\n lbrack: '\\u005B',\r\n lbrke: '\\u298B',\r\n lbrksld: '\\u298F',\r\n lbrkslu: '\\u298D',\r\n lcaron: '\\u013E',\r\n lcedil: '\\u013C',\r\n lceil: '\\u2308',\r\n lcub: '\\u007B',\r\n lcy: '\\u043B',\r\n ldca: '\\u2936',\r\n ldquo: '\\u201C',\r\n ldquor: '\\u201E',\r\n ldrdhar: '\\u2967',\r\n ldrushar: '\\u294B',\r\n ldsh: '\\u21B2',\r\n le: '\\u2264',\r\n leftarrow: '\\u2190',\r\n leftarrowtail: '\\u21A2',\r\n leftharpoondown: '\\u21BD',\r\n leftharpoonup: '\\u21BC',\r\n leftleftarrows: '\\u21C7',\r\n leftrightarrow: '\\u2194',\r\n leftrightarrows: '\\u21C6',\r\n leftrightharpoons: '\\u21CB',\r\n leftrightsquigarrow: '\\u21AD',\r\n leftthreetimes: '\\u22CB',\r\n leg: '\\u22DA',\r\n leq: '\\u2264',\r\n leqq: '\\u2266',\r\n leqslant: '\\u2A7D',\r\n les: '\\u2A7D',\r\n lescc: '\\u2AA8',\r\n lesdot: '\\u2A7F',\r\n lesdoto: '\\u2A81',\r\n lesdotor: '\\u2A83',\r\n lesg: '\\u22DA\\uFE00',\r\n lesges: '\\u2A93',\r\n lessapprox: '\\u2A85',\r\n lessdot: '\\u22D6',\r\n lesseqgtr: '\\u22DA',\r\n lesseqqgtr: '\\u2A8B',\r\n lessgtr: '\\u2276',\r\n lesssim: '\\u2272',\r\n lfisht: '\\u297C',\r\n lfloor: '\\u230A',\r\n lfr: '\\uD835\\uDD29',\r\n lg: '\\u2276',\r\n lgE: '\\u2A91',\r\n lhard: '\\u21BD',\r\n lharu: '\\u21BC',\r\n lharul: '\\u296A',\r\n lhblk: '\\u2584',\r\n ljcy: '\\u0459',\r\n ll: '\\u226A',\r\n llarr: '\\u21C7',\r\n llcorner: '\\u231E',\r\n llhard: '\\u296B',\r\n lltri: '\\u25FA',\r\n lmidot: '\\u0140',\r\n lmoust: '\\u23B0',\r\n lmoustache: '\\u23B0',\r\n lnE: '\\u2268',\r\n lnap: '\\u2A89',\r\n lnapprox: '\\u2A89',\r\n lne: '\\u2A87',\r\n lneq: '\\u2A87',\r\n lneqq: '\\u2268',\r\n lnsim: '\\u22E6',\r\n loang: '\\u27EC',\r\n loarr: '\\u21FD',\r\n lobrk: '\\u27E6',\r\n longleftarrow: '\\u27F5',\r\n longleftrightarrow: '\\u27F7',\r\n longmapsto: '\\u27FC',\r\n longrightarrow: '\\u27F6',\r\n looparrowleft: '\\u21AB',\r\n looparrowright: '\\u21AC',\r\n lopar: '\\u2985',\r\n lopf: '\\uD835\\uDD5D',\r\n loplus: '\\u2A2D',\r\n lotimes: '\\u2A34',\r\n lowast: '\\u2217',\r\n lowbar: '\\u005F',\r\n loz: '\\u25CA',\r\n lozenge: '\\u25CA',\r\n lozf: '\\u29EB',\r\n lpar: '\\u0028',\r\n lparlt: '\\u2993',\r\n lrarr: '\\u21C6',\r\n lrcorner: '\\u231F',\r\n lrhar: '\\u21CB',\r\n lrhard: '\\u296D',\r\n lrm: '\\u200E',\r\n lrtri: '\\u22BF',\r\n lsaquo: '\\u2039',\r\n lscr: '\\uD835\\uDCC1',\r\n lsh: '\\u21B0',\r\n lsim: '\\u2272',\r\n lsime: '\\u2A8D',\r\n lsimg: '\\u2A8F',\r\n lsqb: '\\u005B',\r\n lsquo: '\\u2018',\r\n lsquor: '\\u201A',\r\n lstrok: '\\u0142',\r\n lt: '\\u003C',\r\n ltcc: '\\u2AA6',\r\n ltcir: '\\u2A79',\r\n ltdot: '\\u22D6',\r\n lthree: '\\u22CB',\r\n ltimes: '\\u22C9',\r\n ltlarr: '\\u2976',\r\n ltquest: '\\u2A7B',\r\n ltrPar: '\\u2996',\r\n ltri: '\\u25C3',\r\n ltrie: '\\u22B4',\r\n ltrif: '\\u25C2',\r\n lurdshar: '\\u294A',\r\n luruhar: '\\u2966',\r\n lvertneqq: '\\u2268\\uFE00',\r\n lvnE: '\\u2268\\uFE00',\r\n mDDot: '\\u223A',\r\n macr: '\\u00AF',\r\n male: '\\u2642',\r\n malt: '\\u2720',\r\n maltese: '\\u2720',\r\n map: '\\u21A6',\r\n mapsto: '\\u21A6',\r\n mapstodown: '\\u21A7',\r\n mapstoleft: '\\u21A4',\r\n mapstoup: '\\u21A5',\r\n marker: '\\u25AE',\r\n mcomma: '\\u2A29',\r\n mcy: '\\u043C',\r\n mdash: '\\u2014',\r\n measuredangle: '\\u2221',\r\n mfr: '\\uD835\\uDD2A',\r\n mho: '\\u2127',\r\n micro: '\\u00B5',\r\n mid: '\\u2223',\r\n midast: '\\u002A',\r\n midcir: '\\u2AF0',\r\n middot: '\\u00B7',\r\n minus: '\\u2212',\r\n minusb: '\\u229F',\r\n minusd: '\\u2238',\r\n minusdu: '\\u2A2A',\r\n mlcp: '\\u2ADB',\r\n mldr: '\\u2026',\r\n mnplus: '\\u2213',\r\n models: '\\u22A7',\r\n mopf: '\\uD835\\uDD5E',\r\n mp: '\\u2213',\r\n mscr: '\\uD835\\uDCC2',\r\n mstpos: '\\u223E',\r\n mu: '\\u03BC',\r\n multimap: '\\u22B8',\r\n mumap: '\\u22B8',\r\n nGg: '\\u22D9\\u0338',\r\n nGt: '\\u226B\\u20D2',\r\n nGtv: '\\u226B\\u0338',\r\n nLeftarrow: '\\u21CD',\r\n nLeftrightarrow: '\\u21CE',\r\n nLl: '\\u22D8\\u0338',\r\n nLt: '\\u226A\\u20D2',\r\n nLtv: '\\u226A\\u0338',\r\n nRightarrow: '\\u21CF',\r\n nVDash: '\\u22AF',\r\n nVdash: '\\u22AE',\r\n nabla: '\\u2207',\r\n nacute: '\\u0144',\r\n nang: '\\u2220\\u20D2',\r\n nap: '\\u2249',\r\n napE: '\\u2A70\\u0338',\r\n napid: '\\u224B\\u0338',\r\n napos: '\\u0149',\r\n napprox: '\\u2249',\r\n natur: '\\u266E',\r\n natural: '\\u266E',\r\n naturals: '\\u2115',\r\n nbsp: '\\u00A0',\r\n nbump: '\\u224E\\u0338',\r\n nbumpe: '\\u224F\\u0338',\r\n ncap: '\\u2A43',\r\n ncaron: '\\u0148',\r\n ncedil: '\\u0146',\r\n ncong: '\\u2247',\r\n ncongdot: '\\u2A6D\\u0338',\r\n ncup: '\\u2A42',\r\n ncy: '\\u043D',\r\n ndash: '\\u2013',\r\n ne: '\\u2260',\r\n neArr: '\\u21D7',\r\n nearhk: '\\u2924',\r\n nearr: '\\u2197',\r\n nearrow: '\\u2197',\r\n nedot: '\\u2250\\u0338',\r\n nequiv: '\\u2262',\r\n nesear: '\\u2928',\r\n nesim: '\\u2242\\u0338',\r\n nexist: '\\u2204',\r\n nexists: '\\u2204',\r\n nfr: '\\uD835\\uDD2B',\r\n ngE: '\\u2267\\u0338',\r\n nge: '\\u2271',\r\n ngeq: '\\u2271',\r\n ngeqq: '\\u2267\\u0338',\r\n ngeqslant: '\\u2A7E\\u0338',\r\n nges: '\\u2A7E\\u0338',\r\n ngsim: '\\u2275',\r\n ngt: '\\u226F',\r\n ngtr: '\\u226F',\r\n nhArr: '\\u21CE',\r\n nharr: '\\u21AE',\r\n nhpar: '\\u2AF2',\r\n ni: '\\u220B',\r\n nis: '\\u22FC',\r\n nisd: '\\u22FA',\r\n niv: '\\u220B',\r\n njcy: '\\u045A',\r\n nlArr: '\\u21CD',\r\n nlE: '\\u2266\\u0338',\r\n nlarr: '\\u219A',\r\n nldr: '\\u2025',\r\n nle: '\\u2270',\r\n nleftarrow: '\\u219A',\r\n nleftrightarrow: '\\u21AE',\r\n nleq: '\\u2270',\r\n nleqq: '\\u2266\\u0338',\r\n nleqslant: '\\u2A7D\\u0338',\r\n nles: '\\u2A7D\\u0338',\r\n nless: '\\u226E',\r\n nlsim: '\\u2274',\r\n nlt: '\\u226E',\r\n nltri: '\\u22EA',\r\n nltrie: '\\u22EC',\r\n nmid: '\\u2224',\r\n nopf: '\\uD835\\uDD5F',\r\n not: '\\u00AC',\r\n notin: '\\u2209',\r\n notinE: '\\u22F9\\u0338',\r\n notindot: '\\u22F5\\u0338',\r\n notinva: '\\u2209',\r\n notinvb: '\\u22F7',\r\n notinvc: '\\u22F6',\r\n notni: '\\u220C',\r\n notniva: '\\u220C',\r\n notnivb: '\\u22FE',\r\n notnivc: '\\u22FD',\r\n npar: '\\u2226',\r\n nparallel: '\\u2226',\r\n nparsl: '\\u2AFD\\u20E5',\r\n npart: '\\u2202\\u0338',\r\n npolint: '\\u2A14',\r\n npr: '\\u2280',\r\n nprcue: '\\u22E0',\r\n npre: '\\u2AAF\\u0338',\r\n nprec: '\\u2280',\r\n npreceq: '\\u2AAF\\u0338',\r\n nrArr: '\\u21CF',\r\n nrarr: '\\u219B',\r\n nrarrc: '\\u2933\\u0338',\r\n nrarrw: '\\u219D\\u0338',\r\n nrightarrow: '\\u219B',\r\n nrtri: '\\u22EB',\r\n nrtrie: '\\u22ED',\r\n nsc: '\\u2281',\r\n nsccue: '\\u22E1',\r\n nsce: '\\u2AB0\\u0338',\r\n nscr: '\\uD835\\uDCC3',\r\n nshortmid: '\\u2224',\r\n nshortparallel: '\\u2226',\r\n nsim: '\\u2241',\r\n nsime: '\\u2244',\r\n nsimeq: '\\u2244',\r\n nsmid: '\\u2224',\r\n nspar: '\\u2226',\r\n nsqsube: '\\u22E2',\r\n nsqsupe: '\\u22E3',\r\n nsub: '\\u2284',\r\n nsubE: '\\u2AC5\\u0338',\r\n nsube: '\\u2288',\r\n nsubset: '\\u2282\\u20D2',\r\n nsubseteq: '\\u2288',\r\n nsubseteqq: '\\u2AC5\\u0338',\r\n nsucc: '\\u2281',\r\n nsucceq: '\\u2AB0\\u0338',\r\n nsup: '\\u2285',\r\n nsupE: '\\u2AC6\\u0338',\r\n nsupe: '\\u2289',\r\n nsupset: '\\u2283\\u20D2',\r\n nsupseteq: '\\u2289',\r\n nsupseteqq: '\\u2AC6\\u0338',\r\n ntgl: '\\u2279',\r\n ntilde: '\\u00F1',\r\n ntlg: '\\u2278',\r\n ntriangleleft: '\\u22EA',\r\n ntrianglelefteq: '\\u22EC',\r\n ntriangleright: '\\u22EB',\r\n ntrianglerighteq: '\\u22ED',\r\n nu: '\\u03BD',\r\n num: '\\u0023',\r\n numero: '\\u2116',\r\n numsp: '\\u2007',\r\n nvDash: '\\u22AD',\r\n nvHarr: '\\u2904',\r\n nvap: '\\u224D\\u20D2',\r\n nvdash: '\\u22AC',\r\n nvge: '\\u2265\\u20D2',\r\n nvgt: '\\u003E\\u20D2',\r\n nvinfin: '\\u29DE',\r\n nvlArr: '\\u2902',\r\n nvle: '\\u2264\\u20D2',\r\n nvlt: '\\u003C\\u20D2',\r\n nvltrie: '\\u22B4\\u20D2',\r\n nvrArr: '\\u2903',\r\n nvrtrie: '\\u22B5\\u20D2',\r\n nvsim: '\\u223C\\u20D2',\r\n nwArr: '\\u21D6',\r\n nwarhk: '\\u2923',\r\n nwarr: '\\u2196',\r\n nwarrow: '\\u2196',\r\n nwnear: '\\u2927',\r\n oS: '\\u24C8',\r\n oacute: '\\u00F3',\r\n oast: '\\u229B',\r\n ocir: '\\u229A',\r\n ocirc: '\\u00F4',\r\n ocy: '\\u043E',\r\n odash: '\\u229D',\r\n odblac: '\\u0151',\r\n odiv: '\\u2A38',\r\n odot: '\\u2299',\r\n odsold: '\\u29BC',\r\n oelig: '\\u0153',\r\n ofcir: '\\u29BF',\r\n ofr: '\\uD835\\uDD2C',\r\n ogon: '\\u02DB',\r\n ograve: '\\u00F2',\r\n ogt: '\\u29C1',\r\n ohbar: '\\u29B5',\r\n ohm: '\\u03A9',\r\n oint: '\\u222E',\r\n olarr: '\\u21BA',\r\n olcir: '\\u29BE',\r\n olcross: '\\u29BB',\r\n oline: '\\u203E',\r\n olt: '\\u29C0',\r\n omacr: '\\u014D',\r\n omega: '\\u03C9',\r\n omicron: '\\u03BF',\r\n omid: '\\u29B6',\r\n ominus: '\\u2296',\r\n oopf: '\\uD835\\uDD60',\r\n opar: '\\u29B7',\r\n operp: '\\u29B9',\r\n oplus: '\\u2295',\r\n or: '\\u2228',\r\n orarr: '\\u21BB',\r\n ord: '\\u2A5D',\r\n order: '\\u2134',\r\n orderof: '\\u2134',\r\n ordf: '\\u00AA',\r\n ordm: '\\u00BA',\r\n origof: '\\u22B6',\r\n oror: '\\u2A56',\r\n orslope: '\\u2A57',\r\n orv: '\\u2A5B',\r\n oscr: '\\u2134',\r\n oslash: '\\u00F8',\r\n osol: '\\u2298',\r\n otilde: '\\u00F5',\r\n otimes: '\\u2297',\r\n otimesas: '\\u2A36',\r\n ouml: '\\u00F6',\r\n ovbar: '\\u233D',\r\n par: '\\u2225',\r\n para: '\\u00B6',\r\n parallel: '\\u2225',\r\n parsim: '\\u2AF3',\r\n parsl: '\\u2AFD',\r\n part: '\\u2202',\r\n pcy: '\\u043F',\r\n percnt: '\\u0025',\r\n period: '\\u002E',\r\n permil: '\\u2030',\r\n perp: '\\u22A5',\r\n pertenk: '\\u2031',\r\n pfr: '\\uD835\\uDD2D',\r\n phi: '\\u03C6',\r\n phiv: '\\u03D5',\r\n phmmat: '\\u2133',\r\n phone: '\\u260E',\r\n pi: '\\u03C0',\r\n pitchfork: '\\u22D4',\r\n piv: '\\u03D6',\r\n planck: '\\u210F',\r\n planckh: '\\u210E',\r\n plankv: '\\u210F',\r\n plus: '\\u002B',\r\n plusacir: '\\u2A23',\r\n plusb: '\\u229E',\r\n pluscir: '\\u2A22',\r\n plusdo: '\\u2214',\r\n plusdu: '\\u2A25',\r\n pluse: '\\u2A72',\r\n plusmn: '\\u00B1',\r\n plussim: '\\u2A26',\r\n plustwo: '\\u2A27',\r\n pm: '\\u00B1',\r\n pointint: '\\u2A15',\r\n popf: '\\uD835\\uDD61',\r\n pound: '\\u00A3',\r\n pr: '\\u227A',\r\n prE: '\\u2AB3',\r\n prap: '\\u2AB7',\r\n prcue: '\\u227C',\r\n pre: '\\u2AAF',\r\n prec: '\\u227A',\r\n precapprox: '\\u2AB7',\r\n preccurlyeq: '\\u227C',\r\n preceq: '\\u2AAF',\r\n precnapprox: '\\u2AB9',\r\n precneqq: '\\u2AB5',\r\n precnsim: '\\u22E8',\r\n precsim: '\\u227E',\r\n prime: '\\u2032',\r\n primes: '\\u2119',\r\n prnE: '\\u2AB5',\r\n prnap: '\\u2AB9',\r\n prnsim: '\\u22E8',\r\n prod: '\\u220F',\r\n profalar: '\\u232E',\r\n profline: '\\u2312',\r\n profsurf: '\\u2313',\r\n prop: '\\u221D',\r\n propto: '\\u221D',\r\n prsim: '\\u227E',\r\n prurel: '\\u22B0',\r\n pscr: '\\uD835\\uDCC5',\r\n psi: '\\u03C8',\r\n puncsp: '\\u2008',\r\n qfr: '\\uD835\\uDD2E',\r\n qint: '\\u2A0C',\r\n qopf: '\\uD835\\uDD62',\r\n qprime: '\\u2057',\r\n qscr: '\\uD835\\uDCC6',\r\n quaternions: '\\u210D',\r\n quatint: '\\u2A16',\r\n quest: '\\u003F',\r\n questeq: '\\u225F',\r\n quot: '\\u0022',\r\n rAarr: '\\u21DB',\r\n rArr: '\\u21D2',\r\n rAtail: '\\u291C',\r\n rBarr: '\\u290F',\r\n rHar: '\\u2964',\r\n race: '\\u223D\\u0331',\r\n racute: '\\u0155',\r\n radic: '\\u221A',\r\n raemptyv: '\\u29B3',\r\n rang: '\\u27E9',\r\n rangd: '\\u2992',\r\n range: '\\u29A5',\r\n rangle: '\\u27E9',\r\n raquo: '\\u00BB',\r\n rarr: '\\u2192',\r\n rarrap: '\\u2975',\r\n rarrb: '\\u21E5',\r\n rarrbfs: '\\u2920',\r\n rarrc: '\\u2933',\r\n rarrfs: '\\u291E',\r\n rarrhk: '\\u21AA',\r\n rarrlp: '\\u21AC',\r\n rarrpl: '\\u2945',\r\n rarrsim: '\\u2974',\r\n rarrtl: '\\u21A3',\r\n rarrw: '\\u219D',\r\n ratail: '\\u291A',\r\n ratio: '\\u2236',\r\n rationals: '\\u211A',\r\n rbarr: '\\u290D',\r\n rbbrk: '\\u2773',\r\n rbrace: '\\u007D',\r\n rbrack: '\\u005D',\r\n rbrke: '\\u298C',\r\n rbrksld: '\\u298E',\r\n rbrkslu: '\\u2990',\r\n rcaron: '\\u0159',\r\n rcedil: '\\u0157',\r\n rceil: '\\u2309',\r\n rcub: '\\u007D',\r\n rcy: '\\u0440',\r\n rdca: '\\u2937',\r\n rdldhar: '\\u2969',\r\n rdquo: '\\u201D',\r\n rdquor: '\\u201D',\r\n rdsh: '\\u21B3',\r\n real: '\\u211C',\r\n realine: '\\u211B',\r\n realpart: '\\u211C',\r\n reals: '\\u211D',\r\n rect: '\\u25AD',\r\n reg: '\\u00AE',\r\n rfisht: '\\u297D',\r\n rfloor: '\\u230B',\r\n rfr: '\\uD835\\uDD2F',\r\n rhard: '\\u21C1',\r\n rharu: '\\u21C0',\r\n rharul: '\\u296C',\r\n rho: '\\u03C1',\r\n rhov: '\\u03F1',\r\n rightarrow: '\\u2192',\r\n rightarrowtail: '\\u21A3',\r\n rightharpoondown: '\\u21C1',\r\n rightharpoonup: '\\u21C0',\r\n rightleftarrows: '\\u21C4',\r\n rightleftharpoons: '\\u21CC',\r\n rightrightarrows: '\\u21C9',\r\n rightsquigarrow: '\\u219D',\r\n rightthreetimes: '\\u22CC',\r\n ring: '\\u02DA',\r\n risingdotseq: '\\u2253',\r\n rlarr: '\\u21C4',\r\n rlhar: '\\u21CC',\r\n rlm: '\\u200F',\r\n rmoust: '\\u23B1',\r\n rmoustache: '\\u23B1',\r\n rnmid: '\\u2AEE',\r\n roang: '\\u27ED',\r\n roarr: '\\u21FE',\r\n robrk: '\\u27E7',\r\n ropar: '\\u2986',\r\n ropf: '\\uD835\\uDD63',\r\n roplus: '\\u2A2E',\r\n rotimes: '\\u2A35',\r\n rpar: '\\u0029',\r\n rpargt: '\\u2994',\r\n rppolint: '\\u2A12',\r\n rrarr: '\\u21C9',\r\n rsaquo: '\\u203A',\r\n rscr: '\\uD835\\uDCC7',\r\n rsh: '\\u21B1',\r\n rsqb: '\\u005D',\r\n rsquo: '\\u2019',\r\n rsquor: '\\u2019',\r\n rthree: '\\u22CC',\r\n rtimes: '\\u22CA',\r\n rtri: '\\u25B9',\r\n rtrie: '\\u22B5',\r\n rtrif: '\\u25B8',\r\n rtriltri: '\\u29CE',\r\n ruluhar: '\\u2968',\r\n rx: '\\u211E',\r\n sacute: '\\u015B',\r\n sbquo: '\\u201A',\r\n sc: '\\u227B',\r\n scE: '\\u2AB4',\r\n scap: '\\u2AB8',\r\n scaron: '\\u0161',\r\n sccue: '\\u227D',\r\n sce: '\\u2AB0',\r\n scedil: '\\u015F',\r\n scirc: '\\u015D',\r\n scnE: '\\u2AB6',\r\n scnap: '\\u2ABA',\r\n scnsim: '\\u22E9',\r\n scpolint: '\\u2A13',\r\n scsim: '\\u227F',\r\n scy: '\\u0441',\r\n sdot: '\\u22C5',\r\n sdotb: '\\u22A1',\r\n sdote: '\\u2A66',\r\n seArr: '\\u21D8',\r\n searhk: '\\u2925',\r\n searr: '\\u2198',\r\n searrow: '\\u2198',\r\n sect: '\\u00A7',\r\n semi: '\\u003B',\r\n seswar: '\\u2929',\r\n setminus: '\\u2216',\r\n setmn: '\\u2216',\r\n sext: '\\u2736',\r\n sfr: '\\uD835\\uDD30',\r\n sfrown: '\\u2322',\r\n sharp: '\\u266F',\r\n shchcy: '\\u0449',\r\n shcy: '\\u0448',\r\n shortmid: '\\u2223',\r\n shortparallel: '\\u2225',\r\n shy: '\\u00AD',\r\n sigma: '\\u03C3',\r\n sigmaf: '\\u03C2',\r\n sigmav: '\\u03C2',\r\n sim: '\\u223C',\r\n simdot: '\\u2A6A',\r\n sime: '\\u2243',\r\n simeq: '\\u2243',\r\n simg: '\\u2A9E',\r\n simgE: '\\u2AA0',\r\n siml: '\\u2A9D',\r\n simlE: '\\u2A9F',\r\n simne: '\\u2246',\r\n simplus: '\\u2A24',\r\n simrarr: '\\u2972',\r\n slarr: '\\u2190',\r\n smallsetminus: '\\u2216',\r\n smashp: '\\u2A33',\r\n smeparsl: '\\u29E4',\r\n smid: '\\u2223',\r\n smile: '\\u2323',\r\n smt: '\\u2AAA',\r\n smte: '\\u2AAC',\r\n smtes: '\\u2AAC\\uFE00',\r\n softcy: '\\u044C',\r\n sol: '\\u002F',\r\n solb: '\\u29C4',\r\n solbar: '\\u233F',\r\n sopf: '\\uD835\\uDD64',\r\n spades: '\\u2660',\r\n spadesuit: '\\u2660',\r\n spar: '\\u2225',\r\n sqcap: '\\u2293',\r\n sqcaps: '\\u2293\\uFE00',\r\n sqcup: '\\u2294',\r\n sqcups: '\\u2294\\uFE00',\r\n sqsub: '\\u228F',\r\n sqsube: '\\u2291',\r\n sqsubset: '\\u228F',\r\n sqsubseteq: '\\u2291',\r\n sqsup: '\\u2290',\r\n sqsupe: '\\u2292',\r\n sqsupset: '\\u2290',\r\n sqsupseteq: '\\u2292',\r\n squ: '\\u25A1',\r\n square: '\\u25A1',\r\n squarf: '\\u25AA',\r\n squf: '\\u25AA',\r\n srarr: '\\u2192',\r\n sscr: '\\uD835\\uDCC8',\r\n ssetmn: '\\u2216',\r\n ssmile: '\\u2323',\r\n sstarf: '\\u22C6',\r\n star: '\\u2606',\r\n starf: '\\u2605',\r\n straightepsilon: '\\u03F5',\r\n straightphi: '\\u03D5',\r\n strns: '\\u00AF',\r\n sub: '\\u2282',\r\n subE: '\\u2AC5',\r\n subdot: '\\u2ABD',\r\n sube: '\\u2286',\r\n subedot: '\\u2AC3',\r\n submult: '\\u2AC1',\r\n subnE: '\\u2ACB',\r\n subne: '\\u228A',\r\n subplus: '\\u2ABF',\r\n subrarr: '\\u2979',\r\n subset: '\\u2282',\r\n subseteq: '\\u2286',\r\n subseteqq: '\\u2AC5',\r\n subsetneq: '\\u228A',\r\n subsetneqq: '\\u2ACB',\r\n subsim: '\\u2AC7',\r\n subsub: '\\u2AD5',\r\n subsup: '\\u2AD3',\r\n succ: '\\u227B',\r\n succapprox: '\\u2AB8',\r\n succcurlyeq: '\\u227D',\r\n succeq: '\\u2AB0',\r\n succnapprox: '\\u2ABA',\r\n succneqq: '\\u2AB6',\r\n succnsim: '\\u22E9',\r\n succsim: '\\u227F',\r\n sum: '\\u2211',\r\n sung: '\\u266A',\r\n sup1: '\\u00B9',\r\n sup2: '\\u00B2',\r\n sup3: '\\u00B3',\r\n sup: '\\u2283',\r\n supE: '\\u2AC6',\r\n supdot: '\\u2ABE',\r\n supdsub: '\\u2AD8',\r\n supe: '\\u2287',\r\n supedot: '\\u2AC4',\r\n suphsol: '\\u27C9',\r\n suphsub: '\\u2AD7',\r\n suplarr: '\\u297B',\r\n supmult: '\\u2AC2',\r\n supnE: '\\u2ACC',\r\n supne: '\\u228B',\r\n supplus: '\\u2AC0',\r\n supset: '\\u2283',\r\n supseteq: '\\u2287',\r\n supseteqq: '\\u2AC6',\r\n supsetneq: '\\u228B',\r\n supsetneqq: '\\u2ACC',\r\n supsim: '\\u2AC8',\r\n supsub: '\\u2AD4',\r\n supsup: '\\u2AD6',\r\n swArr: '\\u21D9',\r\n swarhk: '\\u2926',\r\n swarr: '\\u2199',\r\n swarrow: '\\u2199',\r\n swnwar: '\\u292A',\r\n szlig: '\\u00DF',\r\n target: '\\u2316',\r\n tau: '\\u03C4',\r\n tbrk: '\\u23B4',\r\n tcaron: '\\u0165',\r\n tcedil: '\\u0163',\r\n tcy: '\\u0442',\r\n tdot: '\\u20DB',\r\n telrec: '\\u2315',\r\n tfr: '\\uD835\\uDD31',\r\n there4: '\\u2234',\r\n therefore: '\\u2234',\r\n theta: '\\u03B8',\r\n thetasym: '\\u03D1',\r\n thetav: '\\u03D1',\r\n thickapprox: '\\u2248',\r\n thicksim: '\\u223C',\r\n thinsp: '\\u2009',\r\n thkap: '\\u2248',\r\n thksim: '\\u223C',\r\n thorn: '\\u00FE',\r\n tilde: '\\u02DC',\r\n times: '\\u00D7',\r\n timesb: '\\u22A0',\r\n timesbar: '\\u2A31',\r\n timesd: '\\u2A30',\r\n tint: '\\u222D',\r\n toea: '\\u2928',\r\n top: '\\u22A4',\r\n topbot: '\\u2336',\r\n topcir: '\\u2AF1',\r\n topf: '\\uD835\\uDD65',\r\n topfork: '\\u2ADA',\r\n tosa: '\\u2929',\r\n tprime: '\\u2034',\r\n trade: '\\u2122',\r\n triangle: '\\u25B5',\r\n triangledown: '\\u25BF',\r\n triangleleft: '\\u25C3',\r\n trianglelefteq: '\\u22B4',\r\n triangleq: '\\u225C',\r\n triangleright: '\\u25B9',\r\n trianglerighteq: '\\u22B5',\r\n tridot: '\\u25EC',\r\n trie: '\\u225C',\r\n triminus: '\\u2A3A',\r\n triplus: '\\u2A39',\r\n trisb: '\\u29CD',\r\n tritime: '\\u2A3B',\r\n trpezium: '\\u23E2',\r\n tscr: '\\uD835\\uDCC9',\r\n tscy: '\\u0446',\r\n tshcy: '\\u045B',\r\n tstrok: '\\u0167',\r\n twixt: '\\u226C',\r\n twoheadleftarrow: '\\u219E',\r\n twoheadrightarrow: '\\u21A0',\r\n uArr: '\\u21D1',\r\n uHar: '\\u2963',\r\n uacute: '\\u00FA',\r\n uarr: '\\u2191',\r\n ubrcy: '\\u045E',\r\n ubreve: '\\u016D',\r\n ucirc: '\\u00FB',\r\n ucy: '\\u0443',\r\n udarr: '\\u21C5',\r\n udblac: '\\u0171',\r\n udhar: '\\u296E',\r\n ufisht: '\\u297E',\r\n ufr: '\\uD835\\uDD32',\r\n ugrave: '\\u00F9',\r\n uharl: '\\u21BF',\r\n uharr: '\\u21BE',\r\n uhblk: '\\u2580',\r\n ulcorn: '\\u231C',\r\n ulcorner: '\\u231C',\r\n ulcrop: '\\u230F',\r\n ultri: '\\u25F8',\r\n umacr: '\\u016B',\r\n uml: '\\u00A8',\r\n uogon: '\\u0173',\r\n uopf: '\\uD835\\uDD66',\r\n uparrow: '\\u2191',\r\n updownarrow: '\\u2195',\r\n upharpoonleft: '\\u21BF',\r\n upharpoonright: '\\u21BE',\r\n uplus: '\\u228E',\r\n upsi: '\\u03C5',\r\n upsih: '\\u03D2',\r\n upsilon: '\\u03C5',\r\n upuparrows: '\\u21C8',\r\n urcorn: '\\u231D',\r\n urcorner: '\\u231D',\r\n urcrop: '\\u230E',\r\n uring: '\\u016F',\r\n urtri: '\\u25F9',\r\n uscr: '\\uD835\\uDCCA',\r\n utdot: '\\u22F0',\r\n utilde: '\\u0169',\r\n utri: '\\u25B5',\r\n utrif: '\\u25B4',\r\n uuarr: '\\u21C8',\r\n uuml: '\\u00FC',\r\n uwangle: '\\u29A7',\r\n vArr: '\\u21D5',\r\n vBar: '\\u2AE8',\r\n vBarv: '\\u2AE9',\r\n vDash: '\\u22A8',\r\n vangrt: '\\u299C',\r\n varepsilon: '\\u03F5',\r\n varkappa: '\\u03F0',\r\n varnothing: '\\u2205',\r\n varphi: '\\u03D5',\r\n varpi: '\\u03D6',\r\n varpropto: '\\u221D',\r\n varr: '\\u2195',\r\n varrho: '\\u03F1',\r\n varsigma: '\\u03C2',\r\n varsubsetneq: '\\u228A\\uFE00',\r\n varsubsetneqq: '\\u2ACB\\uFE00',\r\n varsupsetneq: '\\u228B\\uFE00',\r\n varsupsetneqq: '\\u2ACC\\uFE00',\r\n vartheta: '\\u03D1',\r\n vartriangleleft: '\\u22B2',\r\n vartriangleright: '\\u22B3',\r\n vcy: '\\u0432',\r\n vdash: '\\u22A2',\r\n vee: '\\u2228',\r\n veebar: '\\u22BB',\r\n veeeq: '\\u225A',\r\n vellip: '\\u22EE',\r\n verbar: '\\u007C',\r\n vert: '\\u007C',\r\n vfr: '\\uD835\\uDD33',\r\n vltri: '\\u22B2',\r\n vnsub: '\\u2282\\u20D2',\r\n vnsup: '\\u2283\\u20D2',\r\n vopf: '\\uD835\\uDD67',\r\n vprop: '\\u221D',\r\n vrtri: '\\u22B3',\r\n vscr: '\\uD835\\uDCCB',\r\n vsubnE: '\\u2ACB\\uFE00',\r\n vsubne: '\\u228A\\uFE00',\r\n vsupnE: '\\u2ACC\\uFE00',\r\n vsupne: '\\u228B\\uFE00',\r\n vzigzag: '\\u299A',\r\n wcirc: '\\u0175',\r\n wedbar: '\\u2A5F',\r\n wedge: '\\u2227',\r\n wedgeq: '\\u2259',\r\n weierp: '\\u2118',\r\n wfr: '\\uD835\\uDD34',\r\n wopf: '\\uD835\\uDD68',\r\n wp: '\\u2118',\r\n wr: '\\u2240',\r\n wreath: '\\u2240',\r\n wscr: '\\uD835\\uDCCC',\r\n xcap: '\\u22C2',\r\n xcirc: '\\u25EF',\r\n xcup: '\\u22C3',\r\n xdtri: '\\u25BD',\r\n xfr: '\\uD835\\uDD35',\r\n xhArr: '\\u27FA',\r\n xharr: '\\u27F7',\r\n xi: '\\u03BE',\r\n xlArr: '\\u27F8',\r\n xlarr: '\\u27F5',\r\n xmap: '\\u27FC',\r\n xnis: '\\u22FB',\r\n xodot: '\\u2A00',\r\n xopf: '\\uD835\\uDD69',\r\n xoplus: '\\u2A01',\r\n xotime: '\\u2A02',\r\n xrArr: '\\u27F9',\r\n xrarr: '\\u27F6',\r\n xscr: '\\uD835\\uDCCD',\r\n xsqcup: '\\u2A06',\r\n xuplus: '\\u2A04',\r\n xutri: '\\u25B3',\r\n xvee: '\\u22C1',\r\n xwedge: '\\u22C0',\r\n yacute: '\\u00FD',\r\n yacy: '\\u044F',\r\n ycirc: '\\u0177',\r\n ycy: '\\u044B',\r\n yen: '\\u00A5',\r\n yfr: '\\uD835\\uDD36',\r\n yicy: '\\u0457',\r\n yopf: '\\uD835\\uDD6A',\r\n yscr: '\\uD835\\uDCCE',\r\n yucy: '\\u044E',\r\n yuml: '\\u00FF',\r\n zacute: '\\u017A',\r\n zcaron: '\\u017E',\r\n zcy: '\\u0437',\r\n zdot: '\\u017C',\r\n zeetrf: '\\u2128',\r\n zeta: '\\u03B6',\r\n zfr: '\\uD835\\uDD37',\r\n zhcy: '\\u0436',\r\n zigrarr: '\\u21DD',\r\n zopf: '\\uD835\\uDD6B',\r\n zscr: '\\uD835\\uDCCF',\r\n zwj: '\\u200D',\r\n zwnj: '\\u200C'\r\n};\r\nconst decodeMap = {\r\n '0': 65533,\r\n '128': 8364,\r\n '130': 8218,\r\n '131': 402,\r\n '132': 8222,\r\n '133': 8230,\r\n '134': 8224,\r\n '135': 8225,\r\n '136': 710,\r\n '137': 8240,\r\n '138': 352,\r\n '139': 8249,\r\n '140': 338,\r\n '142': 381,\r\n '145': 8216,\r\n '146': 8217,\r\n '147': 8220,\r\n '148': 8221,\r\n '149': 8226,\r\n '150': 8211,\r\n '151': 8212,\r\n '152': 732,\r\n '153': 8482,\r\n '154': 353,\r\n '155': 8250,\r\n '156': 339,\r\n '158': 382,\r\n '159': 376\r\n};\r\nfunction decodeHTMLStrict(text) {\r\n return text.replace(/&(?:[a-zA-Z]+|#[xX][\\da-fA-F]+|#\\d+);/g, (key) => {\r\n if (key.charAt(1) === '#') {\r\n const secondChar = key.charAt(2);\r\n const codePoint = secondChar === 'X' || secondChar === 'x'\r\n ? parseInt(key.slice(3), 16)\r\n : parseInt(key.slice(2), 10);\r\n return decodeCodePoint(codePoint);\r\n }\r\n return entities[key.slice(1, -1)] || key;\r\n });\r\n}\r\nfunction decodeCodePoint(codePoint) {\r\n if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {\r\n return '\\uFFFD';\r\n }\r\n if (codePoint in decodeMap) {\r\n codePoint = decodeMap[codePoint];\r\n }\r\n return String.fromCodePoint(codePoint);\r\n}\n\nfunction scanJSXAttributeValue(parser, context) {\r\n parser.startPos = parser.tokenPos = parser.index;\r\n parser.startColumn = parser.colPos = parser.column;\r\n parser.startLine = parser.linePos = parser.line;\r\n parser.token =\r\n CharTypes[parser.currentChar] & 8192\r\n ? scanJSXString(parser, context)\r\n : scanSingleToken(parser, context, 0);\r\n return parser.token;\r\n}\r\nfunction scanJSXString(parser, context) {\r\n const quote = parser.currentChar;\r\n let char = advanceChar(parser);\r\n const start = parser.index;\r\n while (char !== quote) {\r\n if (parser.index >= parser.end)\r\n report(parser, 14);\r\n char = advanceChar(parser);\r\n }\r\n if (char !== quote)\r\n report(parser, 14);\r\n parser.tokenValue = parser.source.slice(start, parser.index);\r\n advanceChar(parser);\r\n if (context & 512)\r\n parser.tokenRaw = parser.source.slice(parser.tokenPos, parser.index);\r\n return 134283267;\r\n}\r\nfunction scanJSXToken(parser, context) {\r\n parser.startPos = parser.tokenPos = parser.index;\r\n parser.startColumn = parser.colPos = parser.column;\r\n parser.startLine = parser.linePos = parser.line;\r\n if (parser.index >= parser.end)\r\n return (parser.token = 1048576);\r\n const token = TokenLookup[parser.source.charCodeAt(parser.index)];\r\n switch (token) {\r\n case 8456258: {\r\n advanceChar(parser);\r\n if (parser.currentChar === 47) {\r\n advanceChar(parser);\r\n parser.token = 25;\r\n }\r\n else {\r\n parser.token = 8456258;\r\n }\r\n break;\r\n }\r\n case 2162700: {\r\n advanceChar(parser);\r\n parser.token = 2162700;\r\n break;\r\n }\r\n default: {\r\n let state = 0;\r\n while (parser.index < parser.end) {\r\n const type = CharTypes[parser.source.charCodeAt(parser.index)];\r\n if (type & 1024) {\r\n state |= 1 | 4;\r\n scanNewLine(parser);\r\n }\r\n else if (type & 2048) {\r\n consumeLineFeed(parser, state);\r\n state = (state & ~4) | 1;\r\n }\r\n else {\r\n advanceChar(parser);\r\n }\r\n if (CharTypes[parser.currentChar] & 16384)\r\n break;\r\n }\r\n const raw = parser.source.slice(parser.tokenPos, parser.index);\r\n if (context & 512)\r\n parser.tokenRaw = raw;\r\n parser.tokenValue = decodeHTMLStrict(raw);\r\n parser.token = 138;\r\n }\r\n }\r\n return parser.token;\r\n}\r\nfunction scanJSXIdentifier(parser) {\r\n if ((parser.token & 143360) === 143360) {\r\n const { index } = parser;\r\n let char = parser.currentChar;\r\n while (CharTypes[char] & (32768 | 2)) {\r\n char = advanceChar(parser);\r\n }\r\n parser.tokenValue += parser.source.slice(index, parser.index);\r\n }\r\n parser.token = 208897;\r\n return parser.token;\r\n}\n\nfunction matchOrInsertSemicolon(parser, context, specDeviation) {\r\n if ((parser.flags & 1) === 0 &&\r\n (parser.token & 1048576) !== 1048576 &&\r\n !specDeviation) {\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n consumeOpt(parser, context, 1074790417);\r\n}\r\nfunction isValidStrictMode(parser, index, tokenPos, tokenValue) {\r\n if (index - tokenPos < 13 && tokenValue === 'use strict') {\r\n if ((parser.token & 1048576) === 1048576 || parser.flags & 1) {\r\n return 1;\r\n }\r\n }\r\n return 0;\r\n}\r\nfunction optionalBit(parser, context, t) {\r\n if (parser.token !== t)\r\n return 0;\r\n nextToken(parser, context);\r\n return 1;\r\n}\r\nfunction consumeOpt(parser, context, t) {\r\n if (parser.token !== t)\r\n return false;\r\n nextToken(parser, context);\r\n return true;\r\n}\r\nfunction consume(parser, context, t) {\r\n if (parser.token !== t)\r\n report(parser, 23, KeywordDescTable[t & 255]);\r\n nextToken(parser, context);\r\n}\r\nfunction reinterpretToPattern(state, node) {\r\n switch (node.type) {\r\n case 'ArrayExpression':\r\n node.type = 'ArrayPattern';\r\n const elements = node.elements;\r\n for (let i = 0, n = elements.length; i < n; ++i) {\r\n const element = elements[i];\r\n if (element)\r\n reinterpretToPattern(state, element);\r\n }\r\n return;\r\n case 'ObjectExpression':\r\n node.type = 'ObjectPattern';\r\n const properties = node.properties;\r\n for (let i = 0, n = properties.length; i < n; ++i) {\r\n reinterpretToPattern(state, properties[i]);\r\n }\r\n return;\r\n case 'AssignmentExpression':\r\n node.type = 'AssignmentPattern';\r\n if (node.operator !== '=')\r\n report(state, 69);\r\n delete node.operator;\r\n reinterpretToPattern(state, node.left);\r\n return;\r\n case 'Property':\r\n reinterpretToPattern(state, node.value);\r\n return;\r\n case 'SpreadElement':\r\n node.type = 'RestElement';\r\n reinterpretToPattern(state, node.argument);\r\n }\r\n}\r\nfunction validateBindingIdentifier(parser, context, kind, t, skipEvalArgCheck) {\r\n if (context & 1024) {\r\n if ((t & 36864) === 36864) {\r\n report(parser, 115);\r\n }\r\n if (!skipEvalArgCheck && (t & 537079808) === 537079808) {\r\n report(parser, 116);\r\n }\r\n }\r\n if ((t & 20480) === 20480) {\r\n report(parser, 100);\r\n }\r\n if (kind & (8 | 16) && t === 241739) {\r\n report(parser, 98);\r\n }\r\n if (context & (4194304 | 2048) && t === 209008) {\r\n report(parser, 96);\r\n }\r\n if (context & (2097152 | 1024) && t === 241773) {\r\n report(parser, 95, 'yield');\r\n }\r\n}\r\nfunction validateFunctionName(parser, context, t) {\r\n if (context & 1024) {\r\n if ((t & 36864) === 36864) {\r\n report(parser, 115);\r\n }\r\n if ((t & 537079808) === 537079808) {\r\n report(parser, 116);\r\n }\r\n if (t === 122) {\r\n report(parser, 93);\r\n }\r\n if (t === 121) {\r\n report(parser, 93);\r\n }\r\n }\r\n if ((t & 20480) === 20480) {\r\n report(parser, 100);\r\n }\r\n if (context & (4194304 | 2048) && t === 209008) {\r\n report(parser, 96);\r\n }\r\n if (context & (2097152 | 1024) && t === 241773) {\r\n report(parser, 95, 'yield');\r\n }\r\n}\r\nfunction isStrictReservedWord(parser, context, t) {\r\n if (t === 209008) {\r\n if (context & (4194304 | 2048))\r\n report(parser, 96);\r\n parser.destructible |= 128;\r\n }\r\n if (t === 241773 && context & 2097152)\r\n report(parser, 95, 'yield');\r\n return ((t & 20480) === 20480 ||\r\n (t & 36864) === 36864 ||\r\n t == 122);\r\n}\r\nfunction isPropertyWithPrivateFieldKey(expr) {\r\n return !expr.property ? false : expr.property.type === 'PrivateIdentifier';\r\n}\r\nfunction isValidLabel(parser, labels, name, isIterationStatement) {\r\n while (labels) {\r\n if (labels['$' + name]) {\r\n if (isIterationStatement)\r\n report(parser, 134);\r\n return 1;\r\n }\r\n if (isIterationStatement && labels.loop)\r\n isIterationStatement = 0;\r\n labels = labels['$'];\r\n }\r\n return 0;\r\n}\r\nfunction validateAndDeclareLabel(parser, labels, name) {\r\n let set = labels;\r\n while (set) {\r\n if (set['$' + name])\r\n report(parser, 133, name);\r\n set = set['$'];\r\n }\r\n labels['$' + name] = 1;\r\n}\r\nfunction finishNode(parser, context, start, line, column, node) {\r\n if (context & 2) {\r\n node.start = start;\r\n node.end = parser.startPos;\r\n node.range = [start, parser.startPos];\r\n }\r\n if (context & 4) {\r\n node.loc = {\r\n start: {\r\n line,\r\n column\r\n },\r\n end: {\r\n line: parser.startLine,\r\n column: parser.startColumn\r\n }\r\n };\r\n if (parser.sourceFile) {\r\n node.loc.source = parser.sourceFile;\r\n }\r\n }\r\n return node;\r\n}\r\nfunction isEqualTagName(elementName) {\r\n switch (elementName.type) {\r\n case 'JSXIdentifier':\r\n return elementName.name;\r\n case 'JSXNamespacedName':\r\n return elementName.namespace + ':' + elementName.name;\r\n case 'JSXMemberExpression':\r\n return isEqualTagName(elementName.object) + '.' + isEqualTagName(elementName.property);\r\n }\r\n}\r\nfunction createArrowHeadParsingScope(parser, context, value) {\r\n const scope = addChildScope(createScope(), 1024);\r\n addBlockName(parser, context, scope, value, 1, 0);\r\n return scope;\r\n}\r\nfunction recordScopeError(parser, type, ...params) {\r\n const { index, line, column } = parser;\r\n return {\r\n type,\r\n params,\r\n index,\r\n line,\r\n column\r\n };\r\n}\r\nfunction createScope() {\r\n return {\r\n parent: void 0,\r\n type: 2\r\n };\r\n}\r\nfunction addChildScope(parent, type) {\r\n return {\r\n parent,\r\n type,\r\n scopeError: void 0\r\n };\r\n}\r\nfunction addVarOrBlock(parser, context, scope, name, kind, origin) {\r\n if (kind & 4) {\r\n addVarName(parser, context, scope, name, kind);\r\n }\r\n else {\r\n addBlockName(parser, context, scope, name, kind, origin);\r\n }\r\n if (origin & 64) {\r\n declareUnboundVariable(parser, name);\r\n }\r\n}\r\nfunction addBlockName(parser, context, scope, name, kind, origin) {\r\n const value = scope['#' + name];\r\n if (value && (value & 2) === 0) {\r\n if (kind & 1) {\r\n scope.scopeError = recordScopeError(parser, 141, name);\r\n }\r\n else if (context & 256 &&\r\n value & 64 &&\r\n origin & 2) ;\r\n else {\r\n report(parser, 141, name);\r\n }\r\n }\r\n if (scope.type & 128 &&\r\n (scope.parent['#' + name] && (scope.parent['#' + name] & 2) === 0)) {\r\n report(parser, 141, name);\r\n }\r\n if (scope.type & 1024 && value && (value & 2) === 0) {\r\n if (kind & 1) {\r\n scope.scopeError = recordScopeError(parser, 141, name);\r\n }\r\n }\r\n if (scope.type & 64) {\r\n if (scope.parent['#' + name] & 768)\r\n report(parser, 154, name);\r\n }\r\n scope['#' + name] = kind;\r\n}\r\nfunction addVarName(parser, context, scope, name, kind) {\r\n let currentScope = scope;\r\n while (currentScope && (currentScope.type & 256) === 0) {\r\n const value = currentScope['#' + name];\r\n if (value & 248) {\r\n if (context & 256 &&\r\n (context & 1024) === 0 &&\r\n ((kind & 128 && value & 68) ||\r\n (value & 128 && kind & 68))) ;\r\n else {\r\n report(parser, 141, name);\r\n }\r\n }\r\n if (currentScope === scope) {\r\n if (value & 1 && kind & 1) {\r\n currentScope.scopeError = recordScopeError(parser, 141, name);\r\n }\r\n }\r\n if (value & (512 | 256)) {\r\n if ((value & 512) === 0 ||\r\n (context & 256) === 0 ||\r\n context & 1024) {\r\n report(parser, 141, name);\r\n }\r\n }\r\n currentScope['#' + name] = kind;\r\n currentScope = currentScope.parent;\r\n }\r\n}\r\nfunction declareUnboundVariable(parser, name) {\r\n if (parser.exportedNames !== void 0 && name !== '') {\r\n if (parser.exportedNames['#' + name]) {\r\n report(parser, 142, name);\r\n }\r\n parser.exportedNames['#' + name] = 1;\r\n }\r\n}\r\nfunction addBindingToExports(parser, name) {\r\n if (parser.exportedBindings !== void 0 && name !== '') {\r\n parser.exportedBindings['#' + name] = 1;\r\n }\r\n}\r\nfunction pushComment(context, array) {\r\n return function (type, value, start, end, loc) {\r\n const comment = {\r\n type,\r\n value\r\n };\r\n if (context & 2) {\r\n comment.start = start;\r\n comment.end = end;\r\n comment.range = [start, end];\r\n }\r\n if (context & 4) {\r\n comment.loc = loc;\r\n }\r\n array.push(comment);\r\n };\r\n}\r\nfunction pushToken(context, array) {\r\n return function (token, start, end, loc) {\r\n const tokens = {\r\n token\r\n };\r\n if (context & 2) {\r\n tokens.start = start;\r\n tokens.end = end;\r\n tokens.range = [start, end];\r\n }\r\n if (context & 4) {\r\n tokens.loc = loc;\r\n }\r\n array.push(tokens);\r\n };\r\n}\r\nfunction isValidIdentifier(context, t) {\r\n if (context & (1024 | 2097152)) {\r\n if (context & 2048 && t === 209008)\r\n return false;\r\n if (context & 2097152 && t === 241773)\r\n return false;\r\n return (t & 143360) === 143360 || (t & 12288) === 12288;\r\n }\r\n return ((t & 143360) === 143360 ||\r\n (t & 12288) === 12288 ||\r\n (t & 36864) === 36864);\r\n}\r\nfunction classifyIdentifier(parser, context, t, isArrow) {\r\n if ((t & 537079808) === 537079808) {\r\n if (context & 1024)\r\n report(parser, 116);\r\n if (isArrow)\r\n parser.flags |= 512;\r\n }\r\n if (!isValidIdentifier(context, t))\r\n report(parser, 0);\r\n}\n\nfunction create(source, sourceFile, onComment, onToken) {\r\n return {\r\n source,\r\n flags: 0,\r\n index: 0,\r\n line: 1,\r\n column: 0,\r\n startPos: 0,\r\n end: source.length,\r\n tokenPos: 0,\r\n startColumn: 0,\r\n colPos: 0,\r\n linePos: 1,\r\n startLine: 1,\r\n sourceFile,\r\n tokenValue: '',\r\n token: 1048576,\r\n tokenRaw: '',\r\n tokenRegExp: void 0,\r\n currentChar: source.charCodeAt(0),\r\n exportedNames: [],\r\n exportedBindings: [],\r\n assignable: 1,\r\n destructible: 0,\r\n onComment,\r\n onToken,\r\n leadingDecorators: []\r\n };\r\n}\r\nfunction parseSource(source, options, context) {\r\n let sourceFile = '';\r\n let onComment;\r\n let onToken;\r\n if (options != null) {\r\n if (options.module)\r\n context |= 2048 | 1024;\r\n if (options.next)\r\n context |= 1;\r\n if (options.loc)\r\n context |= 4;\r\n if (options.ranges)\r\n context |= 2;\r\n if (options.uniqueKeyInPattern)\r\n context |= -2147483648;\r\n if (options.lexical)\r\n context |= 64;\r\n if (options.webcompat)\r\n context |= 256;\r\n if (options.directives)\r\n context |= 8 | 512;\r\n if (options.globalReturn)\r\n context |= 32;\r\n if (options.raw)\r\n context |= 512;\r\n if (options.preserveParens)\r\n context |= 128;\r\n if (options.impliedStrict)\r\n context |= 1024;\r\n if (options.jsx)\r\n context |= 16;\r\n if (options.identifierPattern)\r\n context |= 268435456;\r\n if (options.specDeviation)\r\n context |= 536870912;\r\n if (options.source)\r\n sourceFile = options.source;\r\n if (options.onComment != null) {\r\n onComment = Array.isArray(options.onComment) ? pushComment(context, options.onComment) : options.onComment;\r\n }\r\n if (options.onToken != null) {\r\n onToken = Array.isArray(options.onToken) ? pushToken(context, options.onToken) : options.onToken;\r\n }\r\n }\r\n const parser = create(source, sourceFile, onComment, onToken);\r\n if (context & 1)\r\n skipHashBang(parser);\r\n const scope = context & 64 ? createScope() : void 0;\r\n let body = [];\r\n let sourceType = 'script';\r\n if (context & 2048) {\r\n sourceType = 'module';\r\n body = parseModuleItemList(parser, context | 8192, scope);\r\n if (scope) {\r\n for (const key in parser.exportedBindings) {\r\n if (key[0] === '#' && !scope[key])\r\n report(parser, 143, key.slice(1));\r\n }\r\n }\r\n }\r\n else {\r\n body = parseStatementList(parser, context | 8192, scope);\r\n }\r\n const node = {\r\n type: 'Program',\r\n sourceType,\r\n body\r\n };\r\n if (context & 2) {\r\n node.start = 0;\r\n node.end = source.length;\r\n node.range = [0, source.length];\r\n }\r\n if (context & 4) {\r\n node.loc = {\r\n start: { line: 1, column: 0 },\r\n end: { line: parser.line, column: parser.column }\r\n };\r\n if (parser.sourceFile)\r\n node.loc.source = sourceFile;\r\n }\r\n return node;\r\n}\r\nfunction parseStatementList(parser, context, scope) {\r\n nextToken(parser, context | 32768 | 1073741824);\r\n const statements = [];\r\n while (parser.token === 134283267) {\r\n const { index, tokenPos, tokenValue, linePos, colPos, token } = parser;\r\n const expr = parseLiteral(parser, context);\r\n if (isValidStrictMode(parser, index, tokenPos, tokenValue))\r\n context |= 1024;\r\n statements.push(parseDirective(parser, context, expr, token, tokenPos, linePos, colPos));\r\n }\r\n while (parser.token !== 1048576) {\r\n statements.push(parseStatementListItem(parser, context, scope, 4, {}));\r\n }\r\n return statements;\r\n}\r\nfunction parseModuleItemList(parser, context, scope) {\r\n nextToken(parser, context | 32768);\r\n const statements = [];\r\n if (context & 8) {\r\n while (parser.token === 134283267) {\r\n const { tokenPos, linePos, colPos, token } = parser;\r\n statements.push(parseDirective(parser, context, parseLiteral(parser, context), token, tokenPos, linePos, colPos));\r\n }\r\n }\r\n while (parser.token !== 1048576) {\r\n statements.push(parseModuleItem(parser, context, scope));\r\n }\r\n return statements;\r\n}\r\nfunction parseModuleItem(parser, context, scope) {\r\n parser.leadingDecorators = parseDecorators(parser, context);\r\n let moduleItem;\r\n switch (parser.token) {\r\n case 20566:\r\n moduleItem = parseExportDeclaration(parser, context, scope);\r\n break;\r\n case 86108:\r\n moduleItem = parseImportDeclaration(parser, context, scope);\r\n break;\r\n default:\r\n moduleItem = parseStatementListItem(parser, context, scope, 4, {});\r\n }\r\n if (parser.leadingDecorators.length) {\r\n report(parser, 165);\r\n }\r\n return moduleItem;\r\n}\r\nfunction parseStatementListItem(parser, context, scope, origin, labels) {\r\n const start = parser.tokenPos;\r\n const line = parser.linePos;\r\n const column = parser.colPos;\r\n switch (parser.token) {\r\n case 86106:\r\n return parseFunctionDeclaration(parser, context, scope, origin, 1, 0, 0, start, line, column);\r\n case 133:\r\n case 86096:\r\n return parseClassDeclaration(parser, context, scope, 0, start, line, column);\r\n case 86092:\r\n return parseLexicalDeclaration(parser, context, scope, 16, 0, start, line, column);\r\n case 241739:\r\n return parseLetIdentOrVarDeclarationStatement(parser, context, scope, origin, start, line, column);\r\n case 20566:\r\n report(parser, 101, 'export');\r\n case 86108:\r\n nextToken(parser, context);\r\n switch (parser.token) {\r\n case 67174411:\r\n return parseImportCallDeclaration(parser, context, start, line, column);\r\n case 67108877:\r\n return parseImportMetaDeclaration(parser, context, start, line, column);\r\n default:\r\n report(parser, 101, 'import');\r\n }\r\n case 209007:\r\n return parseAsyncArrowOrAsyncFunctionDeclaration(parser, context, scope, origin, labels, 1, start, line, column);\r\n default:\r\n return parseStatement(parser, context, scope, origin, labels, 1, start, line, column);\r\n }\r\n}\r\nfunction parseStatement(parser, context, scope, origin, labels, allowFuncDecl, start, line, column) {\r\n switch (parser.token) {\r\n case 86090:\r\n return parseVariableStatement(parser, context, scope, 0, start, line, column);\r\n case 20574:\r\n return parseReturnStatement(parser, context, start, line, column);\r\n case 20571:\r\n return parseIfStatement(parser, context, scope, labels, start, line, column);\r\n case 20569:\r\n return parseForStatement(parser, context, scope, labels, start, line, column);\r\n case 20564:\r\n return parseDoWhileStatement(parser, context, scope, labels, start, line, column);\r\n case 20580:\r\n return parseWhileStatement(parser, context, scope, labels, start, line, column);\r\n case 86112:\r\n return parseSwitchStatement(parser, context, scope, labels, start, line, column);\r\n case 1074790417:\r\n return parseEmptyStatement(parser, context, start, line, column);\r\n case 2162700:\r\n return parseBlock(parser, context, scope ? addChildScope(scope, 2) : scope, labels, start, line, column);\r\n case 86114:\r\n return parseThrowStatement(parser, context, start, line, column);\r\n case 20557:\r\n return parseBreakStatement(parser, context, labels, start, line, column);\r\n case 20561:\r\n return parseContinueStatement(parser, context, labels, start, line, column);\r\n case 20579:\r\n return parseTryStatement(parser, context, scope, labels, start, line, column);\r\n case 20581:\r\n return parseWithStatement(parser, context, scope, labels, start, line, column);\r\n case 20562:\r\n return parseDebuggerStatement(parser, context, start, line, column);\r\n case 209007:\r\n return parseAsyncArrowOrAsyncFunctionDeclaration(parser, context, scope, origin, labels, 0, start, line, column);\r\n case 20559:\r\n report(parser, 157);\r\n case 20568:\r\n report(parser, 158);\r\n case 86106:\r\n report(parser, context & 1024\r\n ? 74\r\n : (context & 256) === 0\r\n ? 76\r\n : 75);\r\n case 86096:\r\n report(parser, 77);\r\n default:\r\n return parseExpressionOrLabelledStatement(parser, context, scope, origin, labels, allowFuncDecl, start, line, column);\r\n }\r\n}\r\nfunction parseExpressionOrLabelledStatement(parser, context, scope, origin, labels, allowFuncDecl, start, line, column) {\r\n const { tokenValue, token } = parser;\r\n let expr;\r\n switch (token) {\r\n case 241739:\r\n expr = parseIdentifier(parser, context, 0);\r\n if (context & 1024)\r\n report(parser, 83);\r\n if (parser.token === 69271571)\r\n report(parser, 82);\r\n break;\r\n default:\r\n expr = parsePrimaryExpression(parser, context, 2, 0, 1, 0, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n if (token & 143360 && parser.token === 21) {\r\n return parseLabelledStatement(parser, context, scope, origin, labels, tokenValue, expr, token, allowFuncDecl, start, line, column);\r\n }\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, start, line, column);\r\n expr = parseAssignmentExpression(parser, context, 0, 0, start, line, column, expr);\r\n if (parser.token === 18) {\r\n expr = parseSequenceExpression(parser, context, 0, start, line, column, expr);\r\n }\r\n return parseExpressionStatement(parser, context, expr, start, line, column);\r\n}\r\nfunction parseBlock(parser, context, scope, labels, start, line, column) {\r\n const body = [];\r\n consume(parser, context | 32768, 2162700);\r\n while (parser.token !== 1074790415) {\r\n body.push(parseStatementListItem(parser, context, scope, 2, { $: labels }));\r\n }\r\n consume(parser, context | 32768, 1074790415);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'BlockStatement',\r\n body\r\n });\r\n}\r\nfunction parseReturnStatement(parser, context, start, line, column) {\r\n if ((context & 32) === 0 && context & 8192)\r\n report(parser, 90);\r\n nextToken(parser, context | 32768);\r\n const argument = parser.flags & 1 || parser.token & 1048576\r\n ? null\r\n : parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ReturnStatement',\r\n argument\r\n });\r\n}\r\nfunction parseExpressionStatement(parser, context, expression, start, line, column) {\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ExpressionStatement',\r\n expression\r\n });\r\n}\r\nfunction parseLabelledStatement(parser, context, scope, origin, labels, value, expr, token, allowFuncDecl, start, line, column) {\r\n validateBindingIdentifier(parser, context, 0, token, 1);\r\n validateAndDeclareLabel(parser, labels, value);\r\n nextToken(parser, context | 32768);\r\n const body = allowFuncDecl &&\r\n (context & 1024) === 0 &&\r\n context & 256 &&\r\n parser.token === 86106\r\n ? parseFunctionDeclaration(parser, context, addChildScope(scope, 2), origin, 0, 0, 0, parser.tokenPos, parser.linePos, parser.colPos)\r\n : parseStatement(parser, context, scope, origin, labels, allowFuncDecl, parser.tokenPos, parser.linePos, parser.colPos);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'LabeledStatement',\r\n label: expr,\r\n body\r\n });\r\n}\r\nfunction parseAsyncArrowOrAsyncFunctionDeclaration(parser, context, scope, origin, labels, allowFuncDecl, start, line, column) {\r\n const { token, tokenValue } = parser;\r\n let expr = parseIdentifier(parser, context, 0);\r\n if (parser.token === 21) {\r\n return parseLabelledStatement(parser, context, scope, origin, labels, tokenValue, expr, token, 1, start, line, column);\r\n }\r\n const asyncNewLine = parser.flags & 1;\r\n if (!asyncNewLine) {\r\n if (parser.token === 86106) {\r\n if (!allowFuncDecl)\r\n report(parser, 120);\r\n return parseFunctionDeclaration(parser, context, scope, origin, 1, 0, 1, start, line, column);\r\n }\r\n if ((parser.token & 143360) === 143360) {\r\n expr = parseAsyncArrowAfterIdent(parser, context, 1, start, line, column);\r\n if (parser.token === 18)\r\n expr = parseSequenceExpression(parser, context, 0, start, line, column, expr);\r\n return parseExpressionStatement(parser, context, expr, start, line, column);\r\n }\r\n }\r\n if (parser.token === 67174411) {\r\n expr = parseAsyncArrowOrCallExpression(parser, context, expr, 1, 1, 0, asyncNewLine, start, line, column);\r\n }\r\n else {\r\n if (parser.token === 10) {\r\n classifyIdentifier(parser, context, token, 1);\r\n expr = parseArrowFromIdentifier(parser, context, parser.tokenValue, expr, 0, 1, 0, start, line, column);\r\n }\r\n parser.assignable = 1;\r\n }\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, start, line, column);\r\n if (parser.token === 18)\r\n expr = parseSequenceExpression(parser, context, 0, start, line, column, expr);\r\n expr = parseAssignmentExpression(parser, context, 0, 0, start, line, column, expr);\r\n parser.assignable = 1;\r\n return parseExpressionStatement(parser, context, expr, start, line, column);\r\n}\r\nfunction parseDirective(parser, context, expression, token, start, line, column) {\r\n if (token !== 1074790417) {\r\n parser.assignable = 2;\r\n expression = parseMemberOrUpdateExpression(parser, context, expression, 0, 0, start, line, column);\r\n if (parser.token !== 1074790417) {\r\n expression = parseAssignmentExpression(parser, context, 0, 0, start, line, column, expression);\r\n if (parser.token === 18) {\r\n expression = parseSequenceExpression(parser, context, 0, start, line, column, expression);\r\n }\r\n }\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n }\r\n return context & 8 && expression.type === 'Literal' && typeof expression.value === 'string'\r\n ? finishNode(parser, context, start, line, column, {\r\n type: 'ExpressionStatement',\r\n expression,\r\n directive: expression.raw.slice(1, -1)\r\n })\r\n : finishNode(parser, context, start, line, column, {\r\n type: 'ExpressionStatement',\r\n expression\r\n });\r\n}\r\nfunction parseEmptyStatement(parser, context, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'EmptyStatement'\r\n });\r\n}\r\nfunction parseThrowStatement(parser, context, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n if (parser.flags & 1)\r\n report(parser, 88);\r\n const argument = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ThrowStatement',\r\n argument\r\n });\r\n}\r\nfunction parseIfStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context);\r\n consume(parser, context | 32768, 67174411);\r\n parser.assignable = 1;\r\n const test = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.line, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n const consequent = parseConsequentOrAlternative(parser, context, scope, labels, parser.tokenPos, parser.linePos, parser.colPos);\r\n let alternate = null;\r\n if (parser.token === 20565) {\r\n nextToken(parser, context | 32768);\r\n alternate = parseConsequentOrAlternative(parser, context, scope, labels, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'IfStatement',\r\n test,\r\n consequent,\r\n alternate\r\n });\r\n}\r\nfunction parseConsequentOrAlternative(parser, context, scope, labels, start, line, column) {\r\n return context & 1024 ||\r\n (context & 256) === 0 ||\r\n parser.token !== 86106\r\n ? parseStatement(parser, context, scope, 0, { $: labels }, 0, parser.tokenPos, parser.linePos, parser.colPos)\r\n : parseFunctionDeclaration(parser, context, addChildScope(scope, 2), 0, 0, 0, 0, start, line, column);\r\n}\r\nfunction parseSwitchStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context);\r\n consume(parser, context | 32768, 67174411);\r\n const discriminant = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context, 16);\r\n consume(parser, context, 2162700);\r\n const cases = [];\r\n let seenDefault = 0;\r\n if (scope)\r\n scope = addChildScope(scope, 8);\r\n while (parser.token !== 1074790415) {\r\n const { tokenPos, linePos, colPos } = parser;\r\n let test = null;\r\n const consequent = [];\r\n if (consumeOpt(parser, context | 32768, 20558)) {\r\n test = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else {\r\n consume(parser, context | 32768, 20563);\r\n if (seenDefault)\r\n report(parser, 87);\r\n seenDefault = 1;\r\n }\r\n consume(parser, context | 32768, 21);\r\n while (parser.token !== 20558 &&\r\n parser.token !== 1074790415 &&\r\n parser.token !== 20563) {\r\n consequent.push(parseStatementListItem(parser, context | 4096, scope, 2, {\r\n $: labels\r\n }));\r\n }\r\n cases.push(finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'SwitchCase',\r\n test,\r\n consequent\r\n }));\r\n }\r\n consume(parser, context | 32768, 1074790415);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'SwitchStatement',\r\n discriminant,\r\n cases\r\n });\r\n}\r\nfunction parseWhileStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context);\r\n consume(parser, context | 32768, 67174411);\r\n const test = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n const body = parseIterationStatementBody(parser, context, scope, labels);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'WhileStatement',\r\n test,\r\n body\r\n });\r\n}\r\nfunction parseIterationStatementBody(parser, context, scope, labels) {\r\n return parseStatement(parser, ((context | 134217728) ^ 134217728) | 131072, scope, 0, { loop: 1, $: labels }, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n}\r\nfunction parseContinueStatement(parser, context, labels, start, line, column) {\r\n if ((context & 131072) === 0)\r\n report(parser, 66);\r\n nextToken(parser, context);\r\n let label = null;\r\n if ((parser.flags & 1) === 0 && parser.token & 143360) {\r\n const { tokenValue } = parser;\r\n label = parseIdentifier(parser, context | 32768, 0);\r\n if (!isValidLabel(parser, labels, tokenValue, 1))\r\n report(parser, 135, tokenValue);\r\n }\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ContinueStatement',\r\n label\r\n });\r\n}\r\nfunction parseBreakStatement(parser, context, labels, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n let label = null;\r\n if ((parser.flags & 1) === 0 && parser.token & 143360) {\r\n const { tokenValue } = parser;\r\n label = parseIdentifier(parser, context | 32768, 0);\r\n if (!isValidLabel(parser, labels, tokenValue, 0))\r\n report(parser, 135, tokenValue);\r\n }\r\n else if ((context & (4096 | 131072)) === 0) {\r\n report(parser, 67);\r\n }\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'BreakStatement',\r\n label\r\n });\r\n}\r\nfunction parseWithStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context);\r\n if (context & 1024)\r\n report(parser, 89);\r\n consume(parser, context | 32768, 67174411);\r\n const object = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n const body = parseStatement(parser, context, scope, 2, labels, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'WithStatement',\r\n object,\r\n body\r\n });\r\n}\r\nfunction parseDebuggerStatement(parser, context, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'DebuggerStatement'\r\n });\r\n}\r\nfunction parseTryStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const firstScope = scope ? addChildScope(scope, 32) : void 0;\r\n const block = parseBlock(parser, context, firstScope, { $: labels }, parser.tokenPos, parser.linePos, parser.colPos);\r\n const { tokenPos, linePos, colPos } = parser;\r\n const handler = consumeOpt(parser, context | 32768, 20559)\r\n ? parseCatchBlock(parser, context, scope, labels, tokenPos, linePos, colPos)\r\n : null;\r\n let finalizer = null;\r\n if (parser.token === 20568) {\r\n nextToken(parser, context | 32768);\r\n const finalizerScope = firstScope ? addChildScope(scope, 4) : void 0;\r\n finalizer = parseBlock(parser, context, finalizerScope, { $: labels }, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n if (!handler && !finalizer) {\r\n report(parser, 86);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'TryStatement',\r\n block,\r\n handler,\r\n finalizer\r\n });\r\n}\r\nfunction parseCatchBlock(parser, context, scope, labels, start, line, column) {\r\n let param = null;\r\n let additionalScope = scope;\r\n if (consumeOpt(parser, context, 67174411)) {\r\n if (scope)\r\n scope = addChildScope(scope, 4);\r\n param = parseBindingPattern(parser, context, scope, (parser.token & 2097152) === 2097152\r\n ? 256\r\n : 512, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n if (parser.token === 18) {\r\n report(parser, 84);\r\n }\r\n else if (parser.token === 1077936157) {\r\n report(parser, 85);\r\n }\r\n consume(parser, context | 32768, 16);\r\n if (scope)\r\n additionalScope = addChildScope(scope, 64);\r\n }\r\n const body = parseBlock(parser, context, additionalScope, { $: labels }, parser.tokenPos, parser.linePos, parser.colPos);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'CatchClause',\r\n param,\r\n body\r\n });\r\n}\r\nfunction parseStaticBlock(parser, context, scope, start, line, column) {\r\n if (scope)\r\n scope = addChildScope(scope, 2);\r\n const ctorContext = 16384 | 524288;\r\n context = ((context | ctorContext) ^ ctorContext) | 262144;\r\n const { body } = parseBlock(parser, context, scope, {}, start, line, column);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'StaticBlock',\r\n body\r\n });\r\n}\r\nfunction parseDoWhileStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const body = parseIterationStatementBody(parser, context, scope, labels);\r\n consume(parser, context, 20580);\r\n consume(parser, context | 32768, 67174411);\r\n const test = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n consumeOpt(parser, context, 1074790417);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'DoWhileStatement',\r\n body,\r\n test\r\n });\r\n}\r\nfunction parseLetIdentOrVarDeclarationStatement(parser, context, scope, origin, start, line, column) {\r\n const { token, tokenValue } = parser;\r\n let expr = parseIdentifier(parser, context, 0);\r\n if (parser.token & (143360 | 2097152)) {\r\n const declarations = parseVariableDeclarationList(parser, context, scope, 8, 0);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'VariableDeclaration',\r\n kind: 'let',\r\n declarations\r\n });\r\n }\r\n parser.assignable = 1;\r\n if (context & 1024)\r\n report(parser, 83);\r\n if (parser.token === 21) {\r\n return parseLabelledStatement(parser, context, scope, origin, {}, tokenValue, expr, token, 0, start, line, column);\r\n }\r\n if (parser.token === 10) {\r\n let scope = void 0;\r\n if (context & 64)\r\n scope = createArrowHeadParsingScope(parser, context, tokenValue);\r\n parser.flags = (parser.flags | 128) ^ 128;\r\n expr = parseArrowFunctionExpression(parser, context, scope, [expr], 0, start, line, column);\r\n }\r\n else {\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, start, line, column);\r\n expr = parseAssignmentExpression(parser, context, 0, 0, start, line, column, expr);\r\n }\r\n if (parser.token === 18) {\r\n expr = parseSequenceExpression(parser, context, 0, start, line, column, expr);\r\n }\r\n return parseExpressionStatement(parser, context, expr, start, line, column);\r\n}\r\nfunction parseLexicalDeclaration(parser, context, scope, kind, origin, start, line, column) {\r\n nextToken(parser, context);\r\n const declarations = parseVariableDeclarationList(parser, context, scope, kind, origin);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'VariableDeclaration',\r\n kind: kind & 8 ? 'let' : 'const',\r\n declarations\r\n });\r\n}\r\nfunction parseVariableStatement(parser, context, scope, origin, start, line, column) {\r\n nextToken(parser, context);\r\n const declarations = parseVariableDeclarationList(parser, context, scope, 4, origin);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'VariableDeclaration',\r\n kind: 'var',\r\n declarations\r\n });\r\n}\r\nfunction parseVariableDeclarationList(parser, context, scope, kind, origin) {\r\n let bindingCount = 1;\r\n const list = [parseVariableDeclaration(parser, context, scope, kind, origin)];\r\n while (consumeOpt(parser, context, 18)) {\r\n bindingCount++;\r\n list.push(parseVariableDeclaration(parser, context, scope, kind, origin));\r\n }\r\n if (bindingCount > 1 && origin & 32 && parser.token & 262144) {\r\n report(parser, 59, KeywordDescTable[parser.token & 255]);\r\n }\r\n return list;\r\n}\r\nfunction parseVariableDeclaration(parser, context, scope, kind, origin) {\r\n const { token, tokenPos, linePos, colPos } = parser;\r\n let init = null;\r\n const id = parseBindingPattern(parser, context, scope, kind, origin, tokenPos, linePos, colPos);\r\n if (parser.token === 1077936157) {\r\n nextToken(parser, context | 32768);\r\n init = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n if (origin & 32 || (token & 2097152) === 0) {\r\n if (parser.token === 274549 ||\r\n (parser.token === 8738868 &&\r\n (token & 2097152 || (kind & 4) === 0 || context & 1024))) {\r\n reportMessageAt(tokenPos, parser.line, parser.index - 3, 58, parser.token === 274549 ? 'of' : 'in');\r\n }\r\n }\r\n }\r\n else if ((kind & 16 || (token & 2097152) > 0) &&\r\n (parser.token & 262144) !== 262144) {\r\n report(parser, 57, kind & 16 ? 'const' : 'destructuring');\r\n }\r\n return finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'VariableDeclarator',\r\n id,\r\n init\r\n });\r\n}\r\nfunction parseForStatement(parser, context, scope, labels, start, line, column) {\r\n nextToken(parser, context);\r\n const forAwait = ((context & 4194304) > 0 || ((context & 2048) > 0 && (context & 8192) > 0)) &&\r\n consumeOpt(parser, context, 209008);\r\n consume(parser, context | 32768, 67174411);\r\n if (scope)\r\n scope = addChildScope(scope, 1);\r\n let test = null;\r\n let update = null;\r\n let destructible = 0;\r\n let init = null;\r\n let isVarDecl = parser.token === 86090 || parser.token === 241739 || parser.token === 86092;\r\n let right;\r\n const { token, tokenPos, linePos, colPos } = parser;\r\n if (isVarDecl) {\r\n if (token === 241739) {\r\n init = parseIdentifier(parser, context, 0);\r\n if (parser.token & (143360 | 2097152)) {\r\n if (parser.token === 8738868) {\r\n if (context & 1024)\r\n report(parser, 65);\r\n }\r\n else {\r\n init = finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'VariableDeclaration',\r\n kind: 'let',\r\n declarations: parseVariableDeclarationList(parser, context | 134217728, scope, 8, 32)\r\n });\r\n }\r\n parser.assignable = 1;\r\n }\r\n else if (context & 1024) {\r\n report(parser, 65);\r\n }\r\n else {\r\n isVarDecl = false;\r\n parser.assignable = 1;\r\n init = parseMemberOrUpdateExpression(parser, context, init, 0, 0, tokenPos, linePos, colPos);\r\n if (parser.token === 274549)\r\n report(parser, 112);\r\n }\r\n }\r\n else {\r\n nextToken(parser, context);\r\n init = finishNode(parser, context, tokenPos, linePos, colPos, token === 86090\r\n ? {\r\n type: 'VariableDeclaration',\r\n kind: 'var',\r\n declarations: parseVariableDeclarationList(parser, context | 134217728, scope, 4, 32)\r\n }\r\n : {\r\n type: 'VariableDeclaration',\r\n kind: 'const',\r\n declarations: parseVariableDeclarationList(parser, context | 134217728, scope, 16, 32)\r\n });\r\n parser.assignable = 1;\r\n }\r\n }\r\n else if (token === 1074790417) {\r\n if (forAwait)\r\n report(parser, 80);\r\n }\r\n else if ((token & 2097152) === 2097152) {\r\n init =\r\n token === 2162700\r\n ? parseObjectLiteralOrPattern(parser, context, void 0, 1, 0, 0, 2, 32, tokenPos, linePos, colPos)\r\n : parseArrayExpressionOrPattern(parser, context, void 0, 1, 0, 0, 2, 32, tokenPos, linePos, colPos);\r\n destructible = parser.destructible;\r\n if (context & 256 && destructible & 64) {\r\n report(parser, 61);\r\n }\r\n parser.assignable =\r\n destructible & 16 ? 2 : 1;\r\n init = parseMemberOrUpdateExpression(parser, context | 134217728, init, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else {\r\n init = parseLeftHandSideExpression(parser, context | 134217728, 1, 0, 1, tokenPos, linePos, colPos);\r\n }\r\n if ((parser.token & 262144) === 262144) {\r\n if (parser.token === 274549) {\r\n if (parser.assignable & 2)\r\n report(parser, 78, forAwait ? 'await' : 'of');\r\n reinterpretToPattern(parser, init);\r\n nextToken(parser, context | 32768);\r\n right = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n const body = parseIterationStatementBody(parser, context, scope, labels);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ForOfStatement',\r\n left: init,\r\n right,\r\n body,\r\n await: forAwait\r\n });\r\n }\r\n if (parser.assignable & 2)\r\n report(parser, 78, 'in');\r\n reinterpretToPattern(parser, init);\r\n nextToken(parser, context | 32768);\r\n if (forAwait)\r\n report(parser, 80);\r\n right = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n const body = parseIterationStatementBody(parser, context, scope, labels);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ForInStatement',\r\n body,\r\n left: init,\r\n right\r\n });\r\n }\r\n if (forAwait)\r\n report(parser, 80);\r\n if (!isVarDecl) {\r\n if (destructible & 8 && parser.token !== 1077936157) {\r\n report(parser, 78, 'loop');\r\n }\r\n init = parseAssignmentExpression(parser, context | 134217728, 0, 0, tokenPos, linePos, colPos, init);\r\n }\r\n if (parser.token === 18)\r\n init = parseSequenceExpression(parser, context, 0, parser.tokenPos, parser.linePos, parser.colPos, init);\r\n consume(parser, context | 32768, 1074790417);\r\n if (parser.token !== 1074790417)\r\n test = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 1074790417);\r\n if (parser.token !== 16)\r\n update = parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 16);\r\n const body = parseIterationStatementBody(parser, context, scope, labels);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ForStatement',\r\n init,\r\n test,\r\n update,\r\n body\r\n });\r\n}\r\nfunction parseRestrictedIdentifier(parser, context, scope) {\r\n if (!isValidIdentifier(context, parser.token))\r\n report(parser, 115);\r\n if ((parser.token & 537079808) === 537079808)\r\n report(parser, 116);\r\n if (scope)\r\n addBlockName(parser, context, scope, parser.tokenValue, 8, 0);\r\n return parseIdentifier(parser, context, 0);\r\n}\r\nfunction parseImportDeclaration(parser, context, scope) {\r\n const start = parser.tokenPos;\r\n const line = parser.linePos;\r\n const column = parser.colPos;\r\n nextToken(parser, context);\r\n let source = null;\r\n const { tokenPos, linePos, colPos } = parser;\r\n let specifiers = [];\r\n if (parser.token === 134283267) {\r\n source = parseLiteral(parser, context);\r\n }\r\n else {\r\n if (parser.token & 143360) {\r\n const local = parseRestrictedIdentifier(parser, context, scope);\r\n specifiers = [\r\n finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'ImportDefaultSpecifier',\r\n local\r\n })\r\n ];\r\n if (consumeOpt(parser, context, 18)) {\r\n switch (parser.token) {\r\n case 8457014:\r\n specifiers.push(parseImportNamespaceSpecifier(parser, context, scope));\r\n break;\r\n case 2162700:\r\n parseImportSpecifierOrNamedImports(parser, context, scope, specifiers);\r\n break;\r\n default:\r\n report(parser, 105);\r\n }\r\n }\r\n }\r\n else {\r\n switch (parser.token) {\r\n case 8457014:\r\n specifiers = [parseImportNamespaceSpecifier(parser, context, scope)];\r\n break;\r\n case 2162700:\r\n parseImportSpecifierOrNamedImports(parser, context, scope, specifiers);\r\n break;\r\n case 67174411:\r\n return parseImportCallDeclaration(parser, context, start, line, column);\r\n case 67108877:\r\n return parseImportMetaDeclaration(parser, context, start, line, column);\r\n default:\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n }\r\n source = parseModuleSpecifier(parser, context);\r\n }\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ImportDeclaration',\r\n specifiers,\r\n source\r\n });\r\n}\r\nfunction parseImportNamespaceSpecifier(parser, context, scope) {\r\n const { tokenPos, linePos, colPos } = parser;\r\n nextToken(parser, context);\r\n consume(parser, context, 77934);\r\n if ((parser.token & 134217728) === 134217728) {\r\n reportMessageAt(tokenPos, parser.line, parser.index, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n return finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'ImportNamespaceSpecifier',\r\n local: parseRestrictedIdentifier(parser, context, scope)\r\n });\r\n}\r\nfunction parseModuleSpecifier(parser, context) {\r\n consumeOpt(parser, context, 12404);\r\n if (parser.token !== 134283267)\r\n report(parser, 103, 'Import');\r\n return parseLiteral(parser, context);\r\n}\r\nfunction parseImportSpecifierOrNamedImports(parser, context, scope, specifiers) {\r\n nextToken(parser, context);\r\n while (parser.token & 143360) {\r\n let { token, tokenValue, tokenPos, linePos, colPos } = parser;\r\n const imported = parseIdentifier(parser, context, 0);\r\n let local;\r\n if (consumeOpt(parser, context, 77934)) {\r\n if ((parser.token & 134217728) === 134217728 || parser.token === 18) {\r\n report(parser, 104);\r\n }\r\n else {\r\n validateBindingIdentifier(parser, context, 16, parser.token, 0);\r\n }\r\n tokenValue = parser.tokenValue;\r\n local = parseIdentifier(parser, context, 0);\r\n }\r\n else {\r\n validateBindingIdentifier(parser, context, 16, token, 0);\r\n local = imported;\r\n }\r\n if (scope)\r\n addBlockName(parser, context, scope, tokenValue, 8, 0);\r\n specifiers.push(finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'ImportSpecifier',\r\n local,\r\n imported\r\n }));\r\n if (parser.token !== 1074790415)\r\n consume(parser, context, 18);\r\n }\r\n consume(parser, context, 1074790415);\r\n return specifiers;\r\n}\r\nfunction parseImportMetaDeclaration(parser, context, start, line, column) {\r\n let expr = parseImportMetaExpression(parser, context, finishNode(parser, context, start, line, column, {\r\n type: 'Identifier',\r\n name: 'import'\r\n }), start, line, column);\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, start, line, column);\r\n expr = parseAssignmentExpression(parser, context, 0, 0, start, line, column, expr);\r\n return parseExpressionStatement(parser, context, expr, start, line, column);\r\n}\r\nfunction parseImportCallDeclaration(parser, context, start, line, column) {\r\n let expr = parseImportExpression(parser, context, 0, start, line, column);\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, start, line, column);\r\n return parseExpressionStatement(parser, context, expr, start, line, column);\r\n}\r\nfunction parseExportDeclaration(parser, context, scope) {\r\n const start = parser.tokenPos;\r\n const line = parser.linePos;\r\n const column = parser.colPos;\r\n nextToken(parser, context | 32768);\r\n const specifiers = [];\r\n let declaration = null;\r\n let source = null;\r\n let key;\r\n if (consumeOpt(parser, context | 32768, 20563)) {\r\n switch (parser.token) {\r\n case 86106: {\r\n declaration = parseFunctionDeclaration(parser, context, scope, 4, 1, 1, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n }\r\n case 133:\r\n case 86096:\r\n declaration = parseClassDeclaration(parser, context, scope, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n case 209007:\r\n const { tokenPos, linePos, colPos } = parser;\r\n declaration = parseIdentifier(parser, context, 0);\r\n const { flags } = parser;\r\n if ((flags & 1) === 0) {\r\n if (parser.token === 86106) {\r\n declaration = parseFunctionDeclaration(parser, context, scope, 4, 1, 1, 1, tokenPos, linePos, colPos);\r\n }\r\n else {\r\n if (parser.token === 67174411) {\r\n declaration = parseAsyncArrowOrCallExpression(parser, context, declaration, 1, 1, 0, flags, tokenPos, linePos, colPos);\r\n declaration = parseMemberOrUpdateExpression(parser, context, declaration, 0, 0, tokenPos, linePos, colPos);\r\n declaration = parseAssignmentExpression(parser, context, 0, 0, tokenPos, linePos, colPos, declaration);\r\n }\r\n else if (parser.token & 143360) {\r\n if (scope)\r\n scope = createArrowHeadParsingScope(parser, context, parser.tokenValue);\r\n declaration = parseIdentifier(parser, context, 0);\r\n declaration = parseArrowFunctionExpression(parser, context, scope, [declaration], 1, tokenPos, linePos, colPos);\r\n }\r\n }\r\n }\r\n break;\r\n default:\r\n declaration = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n }\r\n if (scope)\r\n declareUnboundVariable(parser, 'default');\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ExportDefaultDeclaration',\r\n declaration\r\n });\r\n }\r\n switch (parser.token) {\r\n case 8457014: {\r\n nextToken(parser, context);\r\n let exported = null;\r\n const isNamedDeclaration = consumeOpt(parser, context, 77934);\r\n if (isNamedDeclaration) {\r\n if (scope)\r\n declareUnboundVariable(parser, parser.tokenValue);\r\n exported = parseIdentifier(parser, context, 0);\r\n }\r\n consume(parser, context, 12404);\r\n if (parser.token !== 134283267)\r\n report(parser, 103, 'Export');\r\n source = parseLiteral(parser, context);\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ExportAllDeclaration',\r\n source,\r\n exported\r\n });\r\n }\r\n case 2162700: {\r\n nextToken(parser, context);\r\n const tmpExportedNames = [];\r\n const tmpExportedBindings = [];\r\n while (parser.token & 143360) {\r\n const { tokenPos, tokenValue, linePos, colPos } = parser;\r\n const local = parseIdentifier(parser, context, 0);\r\n let exported;\r\n if (parser.token === 77934) {\r\n nextToken(parser, context);\r\n if ((parser.token & 134217728) === 134217728) {\r\n report(parser, 104);\r\n }\r\n if (scope) {\r\n tmpExportedNames.push(parser.tokenValue);\r\n tmpExportedBindings.push(tokenValue);\r\n }\r\n exported = parseIdentifier(parser, context, 0);\r\n }\r\n else {\r\n if (scope) {\r\n tmpExportedNames.push(parser.tokenValue);\r\n tmpExportedBindings.push(parser.tokenValue);\r\n }\r\n exported = local;\r\n }\r\n specifiers.push(finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'ExportSpecifier',\r\n local,\r\n exported\r\n }));\r\n if (parser.token !== 1074790415)\r\n consume(parser, context, 18);\r\n }\r\n consume(parser, context, 1074790415);\r\n if (consumeOpt(parser, context, 12404)) {\r\n if (parser.token !== 134283267)\r\n report(parser, 103, 'Export');\r\n source = parseLiteral(parser, context);\r\n }\r\n else if (scope) {\r\n let i = 0;\r\n let iMax = tmpExportedNames.length;\r\n for (; i < iMax; i++) {\r\n declareUnboundVariable(parser, tmpExportedNames[i]);\r\n }\r\n i = 0;\r\n iMax = tmpExportedBindings.length;\r\n for (; i < iMax; i++) {\r\n addBindingToExports(parser, tmpExportedBindings[i]);\r\n }\r\n }\r\n matchOrInsertSemicolon(parser, context | 32768);\r\n break;\r\n }\r\n case 86096:\r\n declaration = parseClassDeclaration(parser, context, scope, 2, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n case 86106:\r\n declaration = parseFunctionDeclaration(parser, context, scope, 4, 1, 2, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n case 241739:\r\n declaration = parseLexicalDeclaration(parser, context, scope, 8, 64, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n case 86092:\r\n declaration = parseLexicalDeclaration(parser, context, scope, 16, 64, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n case 86090:\r\n declaration = parseVariableStatement(parser, context, scope, 64, parser.tokenPos, parser.linePos, parser.colPos);\r\n break;\r\n case 209007:\r\n const { tokenPos, linePos, colPos } = parser;\r\n nextToken(parser, context);\r\n if ((parser.flags & 1) === 0 && parser.token === 86106) {\r\n declaration = parseFunctionDeclaration(parser, context, scope, 4, 1, 2, 1, tokenPos, linePos, colPos);\r\n if (scope) {\r\n key = declaration.id ? declaration.id.name : '';\r\n declareUnboundVariable(parser, key);\r\n }\r\n break;\r\n }\r\n default:\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ExportNamedDeclaration',\r\n declaration,\r\n specifiers,\r\n source\r\n });\r\n}\r\nfunction parseExpression(parser, context, canAssign, isPattern, inGroup, start, line, column) {\r\n let expr = parsePrimaryExpression(parser, context, 2, 0, canAssign, isPattern, inGroup, 1, start, line, column);\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, inGroup, 0, start, line, column);\r\n return parseAssignmentExpression(parser, context, inGroup, 0, start, line, column, expr);\r\n}\r\nfunction parseSequenceExpression(parser, context, inGroup, start, line, column, expr) {\r\n const expressions = [expr];\r\n while (consumeOpt(parser, context | 32768, 18)) {\r\n expressions.push(parseExpression(parser, context, 1, 0, inGroup, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'SequenceExpression',\r\n expressions\r\n });\r\n}\r\nfunction parseExpressions(parser, context, inGroup, canAssign, start, line, column) {\r\n const expr = parseExpression(parser, context, canAssign, 0, inGroup, start, line, column);\r\n return parser.token === 18\r\n ? parseSequenceExpression(parser, context, inGroup, start, line, column, expr)\r\n : expr;\r\n}\r\nfunction parseAssignmentExpression(parser, context, inGroup, isPattern, start, line, column, left) {\r\n const { token } = parser;\r\n if ((token & 4194304) === 4194304) {\r\n if (parser.assignable & 2)\r\n report(parser, 24);\r\n if ((!isPattern && token === 1077936157 && left.type === 'ArrayExpression') ||\r\n left.type === 'ObjectExpression') {\r\n reinterpretToPattern(parser, left);\r\n }\r\n nextToken(parser, context | 32768);\r\n const right = parseExpression(parser, context, 1, 1, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, isPattern\r\n ? {\r\n type: 'AssignmentPattern',\r\n left,\r\n right\r\n }\r\n : {\r\n type: 'AssignmentExpression',\r\n left,\r\n operator: KeywordDescTable[token & 255],\r\n right\r\n });\r\n }\r\n if ((token & 8454144) === 8454144) {\r\n left = parseBinaryExpression(parser, context, inGroup, start, line, column, 4, token, left);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n left = parseConditionalExpression(parser, context, left, start, line, column);\r\n }\r\n return left;\r\n}\r\nfunction parseAssignmentExpressionOrPattern(parser, context, inGroup, isPattern, start, line, column, left) {\r\n const { token } = parser;\r\n nextToken(parser, context | 32768);\r\n const right = parseExpression(parser, context, 1, 1, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n left = finishNode(parser, context, start, line, column, isPattern\r\n ? {\r\n type: 'AssignmentPattern',\r\n left,\r\n right\r\n }\r\n : {\r\n type: 'AssignmentExpression',\r\n left,\r\n operator: KeywordDescTable[token & 255],\r\n right\r\n });\r\n parser.assignable = 2;\r\n return left;\r\n}\r\nfunction parseConditionalExpression(parser, context, test, start, line, column) {\r\n const consequent = parseExpression(parser, (context | 134217728) ^ 134217728, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context | 32768, 21);\r\n parser.assignable = 1;\r\n const alternate = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ConditionalExpression',\r\n test,\r\n consequent,\r\n alternate\r\n });\r\n}\r\nfunction parseBinaryExpression(parser, context, inGroup, start, line, column, minPrec, operator, left) {\r\n const bit = -((context & 134217728) > 0) & 8738868;\r\n let t;\r\n let prec;\r\n parser.assignable = 2;\r\n while (parser.token & 8454144) {\r\n t = parser.token;\r\n prec = t & 3840;\r\n if ((t & 524288 && operator & 268435456) || (operator & 524288 && t & 268435456)) {\r\n report(parser, 160);\r\n }\r\n if (prec + ((t === 8457273) << 8) - ((bit === t) << 12) <= minPrec)\r\n break;\r\n nextToken(parser, context | 32768);\r\n left = finishNode(parser, context, start, line, column, {\r\n type: t & 524288 || t & 268435456 ? 'LogicalExpression' : 'BinaryExpression',\r\n left,\r\n right: parseBinaryExpression(parser, context, inGroup, parser.tokenPos, parser.linePos, parser.colPos, prec, t, parseLeftHandSideExpression(parser, context, 0, inGroup, 1, parser.tokenPos, parser.linePos, parser.colPos)),\r\n operator: KeywordDescTable[t & 255]\r\n });\r\n }\r\n if (parser.token === 1077936157)\r\n report(parser, 24);\r\n return left;\r\n}\r\nfunction parseUnaryExpression(parser, context, isLHS, start, line, column, inGroup) {\r\n if (!isLHS)\r\n report(parser, 0);\r\n const unaryOperator = parser.token;\r\n nextToken(parser, context | 32768);\r\n const arg = parseLeftHandSideExpression(parser, context, 0, inGroup, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n if (parser.token === 8457273)\r\n report(parser, 31);\r\n if (context & 1024 && unaryOperator === 16863278) {\r\n if (arg.type === 'Identifier') {\r\n report(parser, 118);\r\n }\r\n else if (isPropertyWithPrivateFieldKey(arg)) {\r\n report(parser, 124);\r\n }\r\n }\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'UnaryExpression',\r\n operator: KeywordDescTable[unaryOperator & 255],\r\n argument: arg,\r\n prefix: true\r\n });\r\n}\r\nfunction parseAsyncExpression(parser, context, inGroup, isLHS, canAssign, isPattern, inNew, start, line, column) {\r\n const { token } = parser;\r\n const expr = parseIdentifier(parser, context, isPattern);\r\n const { flags } = parser;\r\n if ((flags & 1) === 0) {\r\n if (parser.token === 86106) {\r\n return parseFunctionExpression(parser, context, 1, inGroup, start, line, column);\r\n }\r\n if ((parser.token & 143360) === 143360) {\r\n if (!isLHS)\r\n report(parser, 0);\r\n return parseAsyncArrowAfterIdent(parser, context, canAssign, start, line, column);\r\n }\r\n }\r\n if (!inNew && parser.token === 67174411) {\r\n return parseAsyncArrowOrCallExpression(parser, context, expr, canAssign, 1, 0, flags, start, line, column);\r\n }\r\n if (parser.token === 10) {\r\n classifyIdentifier(parser, context, token, 1);\r\n if (inNew)\r\n report(parser, 49);\r\n return parseArrowFromIdentifier(parser, context, parser.tokenValue, expr, inNew, canAssign, 0, start, line, column);\r\n }\r\n return expr;\r\n}\r\nfunction parseYieldExpression(parser, context, inGroup, canAssign, start, line, column) {\r\n if (inGroup)\r\n parser.destructible |= 256;\r\n if (context & 2097152) {\r\n nextToken(parser, context | 32768);\r\n if (context & 8388608)\r\n report(parser, 30);\r\n if (!canAssign)\r\n report(parser, 24);\r\n if (parser.token === 22)\r\n report(parser, 121);\r\n let argument = null;\r\n let delegate = false;\r\n if ((parser.flags & 1) === 0) {\r\n delegate = consumeOpt(parser, context | 32768, 8457014);\r\n if (parser.token & (12288 | 65536) || delegate) {\r\n argument = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n }\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'YieldExpression',\r\n argument,\r\n delegate\r\n });\r\n }\r\n if (context & 1024)\r\n report(parser, 95, 'yield');\r\n return parseIdentifierOrArrow(parser, context, start, line, column);\r\n}\r\nfunction parseAwaitExpression(parser, context, inNew, inGroup, start, line, column) {\r\n if (inGroup)\r\n parser.destructible |= 128;\r\n if (context & 4194304 || (context & 2048 && context & 8192)) {\r\n if (inNew)\r\n report(parser, 0);\r\n if (context & 8388608) {\r\n reportMessageAt(parser.index, parser.line, parser.index, 29);\r\n }\r\n nextToken(parser, context | 32768);\r\n const argument = parseLeftHandSideExpression(parser, context, 0, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n if (parser.token === 8457273)\r\n report(parser, 31);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'AwaitExpression',\r\n argument\r\n });\r\n }\r\n if (context & 2048)\r\n report(parser, 96);\r\n return parseIdentifierOrArrow(parser, context, start, line, column);\r\n}\r\nfunction parseFunctionBody(parser, context, scope, origin, firstRestricted, scopeError) {\r\n const { tokenPos, linePos, colPos } = parser;\r\n consume(parser, context | 32768, 2162700);\r\n const body = [];\r\n const prevContext = context;\r\n if (parser.token !== 1074790415) {\r\n while (parser.token === 134283267) {\r\n const { index, tokenPos, tokenValue, token } = parser;\r\n const expr = parseLiteral(parser, context);\r\n if (isValidStrictMode(parser, index, tokenPos, tokenValue)) {\r\n context |= 1024;\r\n if (parser.flags & 128) {\r\n reportMessageAt(parser.index, parser.line, parser.tokenPos, 64);\r\n }\r\n if (parser.flags & 64) {\r\n reportMessageAt(parser.index, parser.line, parser.tokenPos, 8);\r\n }\r\n }\r\n body.push(parseDirective(parser, context, expr, token, tokenPos, parser.linePos, parser.colPos));\r\n }\r\n if (context & 1024) {\r\n if (firstRestricted) {\r\n if ((firstRestricted & 537079808) === 537079808) {\r\n report(parser, 116);\r\n }\r\n if ((firstRestricted & 36864) === 36864) {\r\n report(parser, 38);\r\n }\r\n }\r\n if (parser.flags & 512)\r\n report(parser, 116);\r\n if (parser.flags & 256)\r\n report(parser, 115);\r\n }\r\n if (context & 64 &&\r\n scope &&\r\n scopeError !== void 0 &&\r\n (prevContext & 1024) === 0 &&\r\n (context & 8192) === 0) {\r\n reportScopeError(scopeError);\r\n }\r\n }\r\n parser.flags =\r\n (parser.flags | 512 | 256 | 64) ^\r\n (512 | 256 | 64);\r\n parser.destructible = (parser.destructible | 256) ^ 256;\r\n while (parser.token !== 1074790415) {\r\n body.push(parseStatementListItem(parser, context, scope, 4, {}));\r\n }\r\n consume(parser, origin & (16 | 8) ? context | 32768 : context, 1074790415);\r\n parser.flags &= ~(128 | 64);\r\n if (parser.token === 1077936157)\r\n report(parser, 24);\r\n return finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'BlockStatement',\r\n body\r\n });\r\n}\r\nfunction parseSuperExpression(parser, context, start, line, column) {\r\n nextToken(parser, context);\r\n switch (parser.token) {\r\n case 67108991:\r\n report(parser, 162);\r\n case 67174411: {\r\n if ((context & 524288) === 0)\r\n report(parser, 26);\r\n if (context & 16384)\r\n report(parser, 27);\r\n parser.assignable = 2;\r\n break;\r\n }\r\n case 69271571:\r\n case 67108877: {\r\n if ((context & 262144) === 0)\r\n report(parser, 27);\r\n if (context & 16384)\r\n report(parser, 27);\r\n parser.assignable = 1;\r\n break;\r\n }\r\n default:\r\n report(parser, 28, 'super');\r\n }\r\n return finishNode(parser, context, start, line, column, { type: 'Super' });\r\n}\r\nfunction parseLeftHandSideExpression(parser, context, canAssign, inGroup, isLHS, start, line, column) {\r\n const expression = parsePrimaryExpression(parser, context, 2, 0, canAssign, 0, inGroup, isLHS, start, line, column);\r\n return parseMemberOrUpdateExpression(parser, context, expression, inGroup, 0, start, line, column);\r\n}\r\nfunction parseUpdateExpression(parser, context, expr, start, line, column) {\r\n if (parser.assignable & 2)\r\n report(parser, 53);\r\n const { token } = parser;\r\n nextToken(parser, context);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'UpdateExpression',\r\n argument: expr,\r\n operator: KeywordDescTable[token & 255],\r\n prefix: false\r\n });\r\n}\r\nfunction parseMemberOrUpdateExpression(parser, context, expr, inGroup, inChain, start, line, column) {\r\n if ((parser.token & 33619968) === 33619968 && (parser.flags & 1) === 0) {\r\n expr = parseUpdateExpression(parser, context, expr, start, line, column);\r\n }\r\n else if ((parser.token & 67108864) === 67108864) {\r\n context = (context | 134217728) ^ 134217728;\r\n switch (parser.token) {\r\n case 67108877: {\r\n nextToken(parser, (context | 1073741824 | 8192) ^ 8192);\r\n parser.assignable = 1;\r\n const property = parsePropertyOrPrivatePropertyName(parser, context);\r\n expr = finishNode(parser, context, start, line, column, {\r\n type: 'MemberExpression',\r\n object: expr,\r\n computed: false,\r\n property\r\n });\r\n break;\r\n }\r\n case 69271571: {\r\n let restoreHasOptionalChaining = false;\r\n if ((parser.flags & 2048) === 2048) {\r\n restoreHasOptionalChaining = true;\r\n parser.flags = (parser.flags | 2048) ^ 2048;\r\n }\r\n nextToken(parser, context | 32768);\r\n const { tokenPos, linePos, colPos } = parser;\r\n const property = parseExpressions(parser, context, inGroup, 1, tokenPos, linePos, colPos);\r\n consume(parser, context, 20);\r\n parser.assignable = 1;\r\n expr = finishNode(parser, context, start, line, column, {\r\n type: 'MemberExpression',\r\n object: expr,\r\n computed: true,\r\n property\r\n });\r\n if (restoreHasOptionalChaining) {\r\n parser.flags |= 2048;\r\n }\r\n break;\r\n }\r\n case 67174411: {\r\n if ((parser.flags & 1024) === 1024) {\r\n parser.flags = (parser.flags | 1024) ^ 1024;\r\n return expr;\r\n }\r\n let restoreHasOptionalChaining = false;\r\n if ((parser.flags & 2048) === 2048) {\r\n restoreHasOptionalChaining = true;\r\n parser.flags = (parser.flags | 2048) ^ 2048;\r\n }\r\n const args = parseArguments(parser, context, inGroup);\r\n parser.assignable = 2;\r\n expr = finishNode(parser, context, start, line, column, {\r\n type: 'CallExpression',\r\n callee: expr,\r\n arguments: args\r\n });\r\n if (restoreHasOptionalChaining) {\r\n parser.flags |= 2048;\r\n }\r\n break;\r\n }\r\n case 67108991: {\r\n nextToken(parser, (context | 1073741824 | 8192) ^ 8192);\r\n parser.flags |= 2048;\r\n parser.assignable = 2;\r\n expr = parseOptionalChain(parser, context, expr, start, line, column);\r\n break;\r\n }\r\n default:\r\n if ((parser.flags & 2048) === 2048) {\r\n report(parser, 161);\r\n }\r\n parser.assignable = 2;\r\n expr = finishNode(parser, context, start, line, column, {\r\n type: 'TaggedTemplateExpression',\r\n tag: expr,\r\n quasi: parser.token === 67174408\r\n ? parseTemplate(parser, context | 65536)\r\n : parseTemplateLiteral(parser, context, parser.tokenPos, parser.linePos, parser.colPos)\r\n });\r\n }\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 1, start, line, column);\r\n }\r\n if (inChain === 0 && (parser.flags & 2048) === 2048) {\r\n parser.flags = (parser.flags | 2048) ^ 2048;\r\n expr = finishNode(parser, context, start, line, column, {\r\n type: 'ChainExpression',\r\n expression: expr\r\n });\r\n }\r\n return expr;\r\n}\r\nfunction parseOptionalChain(parser, context, expr, start, line, column) {\r\n let restoreHasOptionalChaining = false;\r\n let node;\r\n if (parser.token === 69271571 || parser.token === 67174411) {\r\n if ((parser.flags & 2048) === 2048) {\r\n restoreHasOptionalChaining = true;\r\n parser.flags = (parser.flags | 2048) ^ 2048;\r\n }\r\n }\r\n if (parser.token === 69271571) {\r\n nextToken(parser, context | 32768);\r\n const { tokenPos, linePos, colPos } = parser;\r\n const property = parseExpressions(parser, context, 0, 1, tokenPos, linePos, colPos);\r\n consume(parser, context, 20);\r\n parser.assignable = 2;\r\n node = finishNode(parser, context, start, line, column, {\r\n type: 'MemberExpression',\r\n object: expr,\r\n computed: true,\r\n optional: true,\r\n property\r\n });\r\n }\r\n else if (parser.token === 67174411) {\r\n const args = parseArguments(parser, context, 0);\r\n parser.assignable = 2;\r\n node = finishNode(parser, context, start, line, column, {\r\n type: 'CallExpression',\r\n callee: expr,\r\n arguments: args,\r\n optional: true\r\n });\r\n }\r\n else {\r\n if ((parser.token & (143360 | 4096)) === 0)\r\n report(parser, 155);\r\n const property = parseIdentifier(parser, context, 0);\r\n parser.assignable = 2;\r\n node = finishNode(parser, context, start, line, column, {\r\n type: 'MemberExpression',\r\n object: expr,\r\n computed: false,\r\n optional: true,\r\n property\r\n });\r\n }\r\n if (restoreHasOptionalChaining) {\r\n parser.flags |= 2048;\r\n }\r\n return node;\r\n}\r\nfunction parsePropertyOrPrivatePropertyName(parser, context) {\r\n if ((parser.token & (143360 | 4096)) === 0 && parser.token !== 131) {\r\n report(parser, 155);\r\n }\r\n return context & 1 && parser.token === 131\r\n ? parsePrivateIdentifier(parser, context, parser.tokenPos, parser.linePos, parser.colPos)\r\n : parseIdentifier(parser, context, 0);\r\n}\r\nfunction parseUpdateExpressionPrefixed(parser, context, inNew, isLHS, start, line, column) {\r\n if (inNew)\r\n report(parser, 54);\r\n if (!isLHS)\r\n report(parser, 0);\r\n const { token } = parser;\r\n nextToken(parser, context | 32768);\r\n const arg = parseLeftHandSideExpression(parser, context, 0, 0, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n if (parser.assignable & 2) {\r\n report(parser, 53);\r\n }\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'UpdateExpression',\r\n argument: arg,\r\n operator: KeywordDescTable[token & 255],\r\n prefix: true\r\n });\r\n}\r\nfunction parsePrimaryExpression(parser, context, kind, inNew, canAssign, isPattern, inGroup, isLHS, start, line, column) {\r\n if ((parser.token & 143360) === 143360) {\r\n switch (parser.token) {\r\n case 209008:\r\n return parseAwaitExpression(parser, context, inNew, inGroup, start, line, column);\r\n case 241773:\r\n return parseYieldExpression(parser, context, inGroup, canAssign, start, line, column);\r\n case 209007:\r\n return parseAsyncExpression(parser, context, inGroup, isLHS, canAssign, isPattern, inNew, start, line, column);\r\n }\r\n const { token, tokenValue } = parser;\r\n const expr = parseIdentifier(parser, context | 65536, isPattern);\r\n if (parser.token === 10) {\r\n if (!isLHS)\r\n report(parser, 0);\r\n classifyIdentifier(parser, context, token, 1);\r\n return parseArrowFromIdentifier(parser, context, tokenValue, expr, inNew, canAssign, 0, start, line, column);\r\n }\r\n if (context & 16384 && token === 537079928)\r\n report(parser, 127);\r\n if (token === 241739) {\r\n if (context & 1024)\r\n report(parser, 110);\r\n if (kind & (8 | 16))\r\n report(parser, 98);\r\n }\r\n parser.assignable =\r\n context & 1024 && (token & 537079808) === 537079808\r\n ? 2\r\n : 1;\r\n return expr;\r\n }\r\n if ((parser.token & 134217728) === 134217728) {\r\n return parseLiteral(parser, context);\r\n }\r\n switch (parser.token) {\r\n case 33619995:\r\n case 33619996:\r\n return parseUpdateExpressionPrefixed(parser, context, inNew, isLHS, start, line, column);\r\n case 16863278:\r\n case 16842800:\r\n case 16842801:\r\n case 25233970:\r\n case 25233971:\r\n case 16863277:\r\n case 16863279:\r\n return parseUnaryExpression(parser, context, isLHS, start, line, column, inGroup);\r\n case 86106:\r\n return parseFunctionExpression(parser, context, 0, inGroup, start, line, column);\r\n case 2162700:\r\n return parseObjectLiteral(parser, context, canAssign ? 0 : 1, inGroup, start, line, column);\r\n case 69271571:\r\n return parseArrayLiteral(parser, context, canAssign ? 0 : 1, inGroup, start, line, column);\r\n case 67174411:\r\n return parseParenthesizedExpression(parser, context, canAssign, 1, 0, start, line, column);\r\n case 86021:\r\n case 86022:\r\n case 86023:\r\n return parseNullOrTrueOrFalseLiteral(parser, context, start, line, column);\r\n case 86113:\r\n return parseThisExpression(parser, context);\r\n case 65540:\r\n return parseRegExpLiteral(parser, context, start, line, column);\r\n case 133:\r\n case 86096:\r\n return parseClassExpression(parser, context, inGroup, start, line, column);\r\n case 86111:\r\n return parseSuperExpression(parser, context, start, line, column);\r\n case 67174409:\r\n return parseTemplateLiteral(parser, context, start, line, column);\r\n case 67174408:\r\n return parseTemplate(parser, context);\r\n case 86109:\r\n return parseNewExpression(parser, context, inGroup, start, line, column);\r\n case 134283389:\r\n return parseBigIntLiteral(parser, context, start, line, column);\r\n case 131:\r\n return parsePrivateIdentifier(parser, context, start, line, column);\r\n case 86108:\r\n return parseImportCallOrMetaExpression(parser, context, inNew, inGroup, start, line, column);\r\n case 8456258:\r\n if (context & 16)\r\n return parseJSXRootElementOrFragment(parser, context, 1, start, line, column);\r\n default:\r\n if (isValidIdentifier(context, parser.token))\r\n return parseIdentifierOrArrow(parser, context, start, line, column);\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n}\r\nfunction parseImportCallOrMetaExpression(parser, context, inNew, inGroup, start, line, column) {\r\n let expr = parseIdentifier(parser, context, 0);\r\n if (parser.token === 67108877) {\r\n return parseImportMetaExpression(parser, context, expr, start, line, column);\r\n }\r\n if (inNew)\r\n report(parser, 138);\r\n expr = parseImportExpression(parser, context, inGroup, start, line, column);\r\n parser.assignable = 2;\r\n return parseMemberOrUpdateExpression(parser, context, expr, inGroup, 0, start, line, column);\r\n}\r\nfunction parseImportMetaExpression(parser, context, meta, start, line, column) {\r\n if ((context & 2048) === 0)\r\n report(parser, 164);\r\n nextToken(parser, context);\r\n if (parser.token !== 143495 && parser.tokenValue !== 'meta')\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'MetaProperty',\r\n meta,\r\n property: parseIdentifier(parser, context, 0)\r\n });\r\n}\r\nfunction parseImportExpression(parser, context, inGroup, start, line, column) {\r\n consume(parser, context | 32768, 67174411);\r\n if (parser.token === 14)\r\n report(parser, 139);\r\n const source = parseExpression(parser, context, 1, 0, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context, 16);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ImportExpression',\r\n source\r\n });\r\n}\r\nfunction parseBigIntLiteral(parser, context, start, line, column) {\r\n const { tokenRaw, tokenValue } = parser;\r\n nextToken(parser, context);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, context & 512\r\n ? {\r\n type: 'Literal',\r\n value: tokenValue,\r\n bigint: tokenRaw.slice(0, -1),\r\n raw: tokenRaw\r\n }\r\n : {\r\n type: 'Literal',\r\n value: tokenValue,\r\n bigint: tokenRaw.slice(0, -1)\r\n });\r\n}\r\nfunction parseTemplateLiteral(parser, context, start, line, column) {\r\n parser.assignable = 2;\r\n const { tokenValue, tokenRaw, tokenPos, linePos, colPos } = parser;\r\n consume(parser, context, 67174409);\r\n const quasis = [parseTemplateElement(parser, context, tokenValue, tokenRaw, tokenPos, linePos, colPos, true)];\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'TemplateLiteral',\r\n expressions: [],\r\n quasis\r\n });\r\n}\r\nfunction parseTemplate(parser, context) {\r\n context = (context | 134217728) ^ 134217728;\r\n const { tokenValue, tokenRaw, tokenPos, linePos, colPos } = parser;\r\n consume(parser, context | 32768, 67174408);\r\n const quasis = [\r\n parseTemplateElement(parser, context, tokenValue, tokenRaw, tokenPos, linePos, colPos, false)\r\n ];\r\n const expressions = [parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos)];\r\n if (parser.token !== 1074790415)\r\n report(parser, 81);\r\n while ((parser.token = scanTemplateTail(parser, context)) !== 67174409) {\r\n const { tokenValue, tokenRaw, tokenPos, linePos, colPos } = parser;\r\n consume(parser, context | 32768, 67174408);\r\n quasis.push(parseTemplateElement(parser, context, tokenValue, tokenRaw, tokenPos, linePos, colPos, false));\r\n expressions.push(parseExpressions(parser, context, 0, 1, parser.tokenPos, parser.linePos, parser.colPos));\r\n if (parser.token !== 1074790415)\r\n report(parser, 81);\r\n }\r\n {\r\n const { tokenValue, tokenRaw, tokenPos, linePos, colPos } = parser;\r\n consume(parser, context, 67174409);\r\n quasis.push(parseTemplateElement(parser, context, tokenValue, tokenRaw, tokenPos, linePos, colPos, true));\r\n }\r\n return finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'TemplateLiteral',\r\n expressions,\r\n quasis\r\n });\r\n}\r\nfunction parseTemplateElement(parser, context, cooked, raw, start, line, col, tail) {\r\n const node = finishNode(parser, context, start, line, col, {\r\n type: 'TemplateElement',\r\n value: {\r\n cooked,\r\n raw\r\n },\r\n tail\r\n });\r\n const tailSize = tail ? 1 : 2;\r\n if (context & 2) {\r\n node.start += 1;\r\n node.range[0] += 1;\r\n node.end -= tailSize;\r\n node.range[1] -= tailSize;\r\n }\r\n if (context & 4) {\r\n node.loc.start.column += 1;\r\n node.loc.end.column -= tailSize;\r\n }\r\n return node;\r\n}\r\nfunction parseSpreadElement(parser, context, start, line, column) {\r\n context = (context | 134217728) ^ 134217728;\r\n consume(parser, context | 32768, 14);\r\n const argument = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n parser.assignable = 1;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'SpreadElement',\r\n argument\r\n });\r\n}\r\nfunction parseArguments(parser, context, inGroup) {\r\n nextToken(parser, context | 32768);\r\n const args = [];\r\n if (parser.token === 16) {\r\n nextToken(parser, context);\r\n return args;\r\n }\r\n while (parser.token !== 16) {\r\n if (parser.token === 14) {\r\n args.push(parseSpreadElement(parser, context, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n else {\r\n args.push(parseExpression(parser, context, 1, 0, inGroup, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n if (parser.token !== 18)\r\n break;\r\n nextToken(parser, context | 32768);\r\n if (parser.token === 16)\r\n break;\r\n }\r\n consume(parser, context, 16);\r\n return args;\r\n}\r\nfunction parseIdentifier(parser, context, isPattern) {\r\n const { tokenValue, tokenPos, linePos, colPos } = parser;\r\n nextToken(parser, context);\r\n return finishNode(parser, context, tokenPos, linePos, colPos, context & 268435456\r\n ? {\r\n type: 'Identifier',\r\n name: tokenValue,\r\n pattern: isPattern === 1\r\n }\r\n : {\r\n type: 'Identifier',\r\n name: tokenValue\r\n });\r\n}\r\nfunction parseLiteral(parser, context) {\r\n const { tokenValue, tokenRaw, tokenPos, linePos, colPos } = parser;\r\n if (parser.token === 134283389) {\r\n return parseBigIntLiteral(parser, context, tokenPos, linePos, colPos);\r\n }\r\n nextToken(parser, context);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, tokenPos, linePos, colPos, context & 512\r\n ? {\r\n type: 'Literal',\r\n value: tokenValue,\r\n raw: tokenRaw\r\n }\r\n : {\r\n type: 'Literal',\r\n value: tokenValue\r\n });\r\n}\r\nfunction parseNullOrTrueOrFalseLiteral(parser, context, start, line, column) {\r\n const raw = KeywordDescTable[parser.token & 255];\r\n const value = parser.token === 86023 ? null : raw === 'true';\r\n nextToken(parser, context);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, context & 512\r\n ? {\r\n type: 'Literal',\r\n value,\r\n raw\r\n }\r\n : {\r\n type: 'Literal',\r\n value\r\n });\r\n}\r\nfunction parseThisExpression(parser, context) {\r\n const { tokenPos, linePos, colPos } = parser;\r\n nextToken(parser, context);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'ThisExpression'\r\n });\r\n}\r\nfunction parseFunctionDeclaration(parser, context, scope, origin, allowGen, flags, isAsync, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const isGenerator = allowGen ? optionalBit(parser, context, 8457014) : 0;\r\n let id = null;\r\n let firstRestricted;\r\n let functionScope = scope ? createScope() : void 0;\r\n if (parser.token === 67174411) {\r\n if ((flags & 1) === 0)\r\n report(parser, 37, 'Function');\r\n }\r\n else {\r\n const kind = origin & 4 && ((context & 8192) === 0 || (context & 2048) === 0)\r\n ? 4\r\n : 64;\r\n validateFunctionName(parser, context | ((context & 3072) << 11), parser.token);\r\n if (scope) {\r\n if (kind & 4) {\r\n addVarName(parser, context, scope, parser.tokenValue, kind);\r\n }\r\n else {\r\n addBlockName(parser, context, scope, parser.tokenValue, kind, origin);\r\n }\r\n functionScope = addChildScope(functionScope, 256);\r\n if (flags) {\r\n if (flags & 2) {\r\n declareUnboundVariable(parser, parser.tokenValue);\r\n }\r\n }\r\n }\r\n firstRestricted = parser.token;\r\n if (parser.token & 143360) {\r\n id = parseIdentifier(parser, context, 0);\r\n }\r\n else {\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n }\r\n context =\r\n ((context | 32243712) ^ 32243712) |\r\n 67108864 |\r\n ((isAsync * 2 + isGenerator) << 21) |\r\n (isGenerator ? 0 : 1073741824);\r\n if (scope)\r\n functionScope = addChildScope(functionScope, 512);\r\n const params = parseFormalParametersOrFormalList(parser, context | 8388608, functionScope, 0, 1);\r\n const body = parseFunctionBody(parser, (context | 8192 | 4096 | 131072) ^\r\n (8192 | 4096 | 131072), scope ? addChildScope(functionScope, 128) : functionScope, 8, firstRestricted, scope ? functionScope.scopeError : void 0);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'FunctionDeclaration',\r\n id,\r\n params,\r\n body,\r\n async: isAsync === 1,\r\n generator: isGenerator === 1\r\n });\r\n}\r\nfunction parseFunctionExpression(parser, context, isAsync, inGroup, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const isGenerator = optionalBit(parser, context, 8457014);\r\n const generatorAndAsyncFlags = (isAsync * 2 + isGenerator) << 21;\r\n let id = null;\r\n let firstRestricted;\r\n let scope = context & 64 ? createScope() : void 0;\r\n if ((parser.token & (143360 | 4096 | 36864)) > 0) {\r\n validateFunctionName(parser, ((context | 0x1ec0000) ^ 0x1ec0000) | generatorAndAsyncFlags, parser.token);\r\n if (scope)\r\n scope = addChildScope(scope, 256);\r\n firstRestricted = parser.token;\r\n id = parseIdentifier(parser, context, 0);\r\n }\r\n context =\r\n ((context | 32243712) ^ 32243712) |\r\n 67108864 |\r\n generatorAndAsyncFlags |\r\n (isGenerator ? 0 : 1073741824);\r\n if (scope)\r\n scope = addChildScope(scope, 512);\r\n const params = parseFormalParametersOrFormalList(parser, context | 8388608, scope, inGroup, 1);\r\n const body = parseFunctionBody(parser, context & ~(0x8001000 | 8192 | 4096 | 131072 | 16384), scope ? addChildScope(scope, 128) : scope, 0, firstRestricted, void 0);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'FunctionExpression',\r\n id,\r\n params,\r\n body,\r\n async: isAsync === 1,\r\n generator: isGenerator === 1\r\n });\r\n}\r\nfunction parseArrayLiteral(parser, context, skipInitializer, inGroup, start, line, column) {\r\n const expr = parseArrayExpressionOrPattern(parser, context, void 0, skipInitializer, inGroup, 0, 2, 0, start, line, column);\r\n if (context & 256 && parser.destructible & 64) {\r\n report(parser, 61);\r\n }\r\n if (parser.destructible & 8) {\r\n report(parser, 60);\r\n }\r\n return expr;\r\n}\r\nfunction parseArrayExpressionOrPattern(parser, context, scope, skipInitializer, inGroup, isPattern, kind, origin, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const elements = [];\r\n let destructible = 0;\r\n context = (context | 134217728) ^ 134217728;\r\n while (parser.token !== 20) {\r\n if (consumeOpt(parser, context | 32768, 18)) {\r\n elements.push(null);\r\n }\r\n else {\r\n let left;\r\n const { token, tokenPos, linePos, colPos, tokenValue } = parser;\r\n if (token & 143360) {\r\n left = parsePrimaryExpression(parser, context, kind, 0, 1, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n if (parser.token === 1077936157) {\r\n if (parser.assignable & 2)\r\n report(parser, 24);\r\n nextToken(parser, context | 32768);\r\n if (scope)\r\n addVarOrBlock(parser, context, scope, tokenValue, kind, origin);\r\n const right = parseExpression(parser, context, 1, 1, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n left = finishNode(parser, context, tokenPos, linePos, colPos, isPattern\r\n ? {\r\n type: 'AssignmentPattern',\r\n left,\r\n right\r\n }\r\n : {\r\n type: 'AssignmentExpression',\r\n operator: '=',\r\n left,\r\n right\r\n });\r\n destructible |=\r\n parser.destructible & 256\r\n ? 256\r\n : 0 | (parser.destructible & 128)\r\n ? 128\r\n : 0;\r\n }\r\n else if (parser.token === 18 || parser.token === 20) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (scope) {\r\n addVarOrBlock(parser, context, scope, tokenValue, kind, origin);\r\n }\r\n destructible |=\r\n parser.destructible & 256\r\n ? 256\r\n : 0 | (parser.destructible & 128)\r\n ? 128\r\n : 0;\r\n }\r\n else {\r\n destructible |=\r\n kind & 1\r\n ? 32\r\n : (kind & 2) === 0\r\n ? 16\r\n : 0;\r\n left = parseMemberOrUpdateExpression(parser, context, left, inGroup, 0, tokenPos, linePos, colPos);\r\n if (parser.token !== 18 && parser.token !== 20) {\r\n if (parser.token !== 1077936157)\r\n destructible |= 16;\r\n left = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, left);\r\n }\r\n else if (parser.token !== 1077936157) {\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : 32;\r\n }\r\n }\r\n }\r\n else if (token & 2097152) {\r\n left =\r\n parser.token === 2162700\r\n ? parseObjectLiteralOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos)\r\n : parseArrayExpressionOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos);\r\n destructible |= parser.destructible;\r\n parser.assignable =\r\n parser.destructible & 16\r\n ? 2\r\n : 1;\r\n if (parser.token === 18 || parser.token === 20) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n }\r\n else if (parser.destructible & 8) {\r\n report(parser, 69);\r\n }\r\n else {\r\n left = parseMemberOrUpdateExpression(parser, context, left, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable & 2 ? 16 : 0;\r\n if (parser.token !== 18 && parser.token !== 20) {\r\n left = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, left);\r\n }\r\n else if (parser.token !== 1077936157) {\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : 32;\r\n }\r\n }\r\n }\r\n else if (token === 14) {\r\n left = parseSpreadOrRestElement(parser, context, scope, 20, kind, origin, 0, inGroup, isPattern, tokenPos, linePos, colPos);\r\n destructible |= parser.destructible;\r\n if (parser.token !== 18 && parser.token !== 20)\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n else {\r\n left = parseLeftHandSideExpression(parser, context, 1, 0, 1, tokenPos, linePos, colPos);\r\n if (parser.token !== 18 && parser.token !== 20) {\r\n left = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, left);\r\n if ((kind & (2 | 1)) === 0 && token === 67174411)\r\n destructible |= 16;\r\n }\r\n else if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (token === 67174411) {\r\n destructible |=\r\n parser.assignable & 1 && kind & (2 | 1)\r\n ? 32\r\n : 16;\r\n }\r\n }\r\n elements.push(left);\r\n if (consumeOpt(parser, context | 32768, 18)) {\r\n if (parser.token === 20)\r\n break;\r\n }\r\n else\r\n break;\r\n }\r\n }\r\n consume(parser, context, 20);\r\n const node = finishNode(parser, context, start, line, column, {\r\n type: isPattern ? 'ArrayPattern' : 'ArrayExpression',\r\n elements\r\n });\r\n if (!skipInitializer && parser.token & 4194304) {\r\n return parseArrayOrObjectAssignmentPattern(parser, context, destructible, inGroup, isPattern, start, line, column, node);\r\n }\r\n parser.destructible = destructible;\r\n return node;\r\n}\r\nfunction parseArrayOrObjectAssignmentPattern(parser, context, destructible, inGroup, isPattern, start, line, column, node) {\r\n if (parser.token !== 1077936157)\r\n report(parser, 24);\r\n nextToken(parser, context | 32768);\r\n if (destructible & 16)\r\n report(parser, 24);\r\n if (!isPattern)\r\n reinterpretToPattern(parser, node);\r\n const { tokenPos, linePos, colPos } = parser;\r\n const right = parseExpression(parser, context, 1, 1, inGroup, tokenPos, linePos, colPos);\r\n parser.destructible =\r\n ((destructible | 64 | 8) ^\r\n (8 | 64)) |\r\n (parser.destructible & 128 ? 128 : 0) |\r\n (parser.destructible & 256 ? 256 : 0);\r\n return finishNode(parser, context, start, line, column, isPattern\r\n ? {\r\n type: 'AssignmentPattern',\r\n left: node,\r\n right\r\n }\r\n : {\r\n type: 'AssignmentExpression',\r\n left: node,\r\n operator: '=',\r\n right\r\n });\r\n}\r\nfunction parseSpreadOrRestElement(parser, context, scope, closingToken, kind, origin, isAsync, inGroup, isPattern, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n let argument = null;\r\n let destructible = 0;\r\n let { token, tokenValue, tokenPos, linePos, colPos } = parser;\r\n if (token & (4096 | 143360)) {\r\n parser.assignable = 1;\r\n argument = parsePrimaryExpression(parser, context, kind, 0, 1, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n token = parser.token;\r\n argument = parseMemberOrUpdateExpression(parser, context, argument, inGroup, 0, tokenPos, linePos, colPos);\r\n if (parser.token !== 18 && parser.token !== closingToken) {\r\n if (parser.assignable & 2 && parser.token === 1077936157)\r\n report(parser, 69);\r\n destructible |= 16;\r\n argument = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, argument);\r\n }\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (token === closingToken || token === 18) {\r\n if (scope)\r\n addVarOrBlock(parser, context, scope, tokenValue, kind, origin);\r\n }\r\n else {\r\n destructible |= 32;\r\n }\r\n destructible |= parser.destructible & 128 ? 128 : 0;\r\n }\r\n else if (token === closingToken) {\r\n report(parser, 39);\r\n }\r\n else if (token & 2097152) {\r\n argument =\r\n parser.token === 2162700\r\n ? parseObjectLiteralOrPattern(parser, context, scope, 1, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos)\r\n : parseArrayExpressionOrPattern(parser, context, scope, 1, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos);\r\n token = parser.token;\r\n if (token !== 1077936157 && token !== closingToken && token !== 18) {\r\n if (parser.destructible & 8)\r\n report(parser, 69);\r\n argument = parseMemberOrUpdateExpression(parser, context, argument, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible |= parser.assignable & 2 ? 16 : 0;\r\n if ((parser.token & 4194304) === 4194304) {\r\n if (parser.token !== 1077936157)\r\n destructible |= 16;\r\n argument = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, argument);\r\n }\r\n else {\r\n if ((parser.token & 8454144) === 8454144) {\r\n argument = parseBinaryExpression(parser, context, 1, tokenPos, linePos, colPos, 4, token, argument);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n argument = parseConditionalExpression(parser, context, argument, tokenPos, linePos, colPos);\r\n }\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : 32;\r\n }\r\n }\r\n else {\r\n destructible |=\r\n closingToken === 1074790415 && token !== 1077936157\r\n ? 16\r\n : parser.destructible;\r\n }\r\n }\r\n else {\r\n destructible |= 32;\r\n argument = parseLeftHandSideExpression(parser, context, 1, inGroup, 1, parser.tokenPos, parser.linePos, parser.colPos);\r\n const { token, tokenPos, linePos, colPos } = parser;\r\n if (token === 1077936157 && token !== closingToken && token !== 18) {\r\n if (parser.assignable & 2)\r\n report(parser, 24);\r\n argument = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, argument);\r\n destructible |= 16;\r\n }\r\n else {\r\n if (token === 18) {\r\n destructible |= 16;\r\n }\r\n else if (token !== closingToken) {\r\n argument = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, argument);\r\n }\r\n destructible |=\r\n parser.assignable & 1 ? 32 : 16;\r\n }\r\n parser.destructible = destructible;\r\n if (parser.token !== closingToken && parser.token !== 18)\r\n report(parser, 156);\r\n return finishNode(parser, context, start, line, column, {\r\n type: isPattern ? 'RestElement' : 'SpreadElement',\r\n argument: argument\r\n });\r\n }\r\n if (parser.token !== closingToken) {\r\n if (kind & 1)\r\n destructible |= isAsync ? 16 : 32;\r\n if (consumeOpt(parser, context | 32768, 1077936157)) {\r\n if (destructible & 16)\r\n report(parser, 24);\r\n reinterpretToPattern(parser, argument);\r\n const right = parseExpression(parser, context, 1, 1, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n argument = finishNode(parser, context, tokenPos, linePos, colPos, isPattern\r\n ? {\r\n type: 'AssignmentPattern',\r\n left: argument,\r\n right\r\n }\r\n : {\r\n type: 'AssignmentExpression',\r\n left: argument,\r\n operator: '=',\r\n right\r\n });\r\n destructible = 16;\r\n }\r\n else {\r\n destructible |= 16;\r\n }\r\n }\r\n parser.destructible = destructible;\r\n return finishNode(parser, context, start, line, column, {\r\n type: isPattern ? 'RestElement' : 'SpreadElement',\r\n argument: argument\r\n });\r\n}\r\nfunction parseMethodDefinition(parser, context, kind, inGroup, start, line, column) {\r\n const modifierFlags = (kind & 64) === 0 ? 31981568 : 14680064;\r\n context =\r\n ((context | modifierFlags) ^ modifierFlags) |\r\n ((kind & 88) << 18) |\r\n 100925440;\r\n let scope = context & 64 ? addChildScope(createScope(), 512) : void 0;\r\n const params = parseMethodFormals(parser, context | 8388608, scope, kind, 1, inGroup);\r\n if (scope)\r\n scope = addChildScope(scope, 128);\r\n const body = parseFunctionBody(parser, context & ~(0x8001000 | 8192), scope, 0, void 0, void 0);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'FunctionExpression',\r\n params,\r\n body,\r\n async: (kind & 16) > 0,\r\n generator: (kind & 8) > 0,\r\n id: null\r\n });\r\n}\r\nfunction parseObjectLiteral(parser, context, skipInitializer, inGroup, start, line, column) {\r\n const expr = parseObjectLiteralOrPattern(parser, context, void 0, skipInitializer, inGroup, 0, 2, 0, start, line, column);\r\n if (context & 256 && parser.destructible & 64) {\r\n report(parser, 61);\r\n }\r\n if (parser.destructible & 8) {\r\n report(parser, 60);\r\n }\r\n return expr;\r\n}\r\nfunction parseObjectLiteralOrPattern(parser, context, scope, skipInitializer, inGroup, isPattern, kind, origin, start, line, column) {\r\n nextToken(parser, context);\r\n const properties = [];\r\n let destructible = 0;\r\n let prototypeCount = 0;\r\n context = (context | 134217728) ^ 134217728;\r\n while (parser.token !== 1074790415) {\r\n const { token, tokenValue, linePos, colPos, tokenPos } = parser;\r\n if (token === 14) {\r\n properties.push(parseSpreadOrRestElement(parser, context, scope, 1074790415, kind, origin, 0, inGroup, isPattern, tokenPos, linePos, colPos));\r\n }\r\n else {\r\n let state = 0;\r\n let key = null;\r\n let value;\r\n const t = parser.token;\r\n if (parser.token & (143360 | 4096) || parser.token === 121) {\r\n key = parseIdentifier(parser, context, 0);\r\n if (parser.token === 18 || parser.token === 1074790415 || parser.token === 1077936157) {\r\n state |= 4;\r\n if (context & 1024 && (token & 537079808) === 537079808) {\r\n destructible |= 16;\r\n }\r\n else {\r\n validateBindingIdentifier(parser, context, kind, token, 0);\r\n }\r\n if (scope)\r\n addVarOrBlock(parser, context, scope, tokenValue, kind, origin);\r\n if (consumeOpt(parser, context | 32768, 1077936157)) {\r\n destructible |= 8;\r\n const right = parseExpression(parser, context, 1, 1, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n destructible |=\r\n parser.destructible & 256\r\n ? 256\r\n : 0 | (parser.destructible & 128)\r\n ? 128\r\n : 0;\r\n value = finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'AssignmentPattern',\r\n left: context & -2147483648 ? Object.assign({}, key) : key,\r\n right\r\n });\r\n }\r\n else {\r\n destructible |=\r\n (token === 209008 ? 128 : 0) |\r\n (token === 121 ? 16 : 0);\r\n value = context & -2147483648 ? Object.assign({}, key) : key;\r\n }\r\n }\r\n else if (consumeOpt(parser, context | 32768, 21)) {\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (tokenValue === '__proto__')\r\n prototypeCount++;\r\n if (parser.token & 143360) {\r\n const tokenAfterColon = parser.token;\r\n const valueAfterColon = parser.tokenValue;\r\n destructible |= t === 121 ? 16 : 0;\r\n value = parsePrimaryExpression(parser, context, kind, 0, 1, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n const { token } = parser;\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (token === 1077936157 || token === 1074790415 || token === 18) {\r\n destructible |= parser.destructible & 128 ? 128 : 0;\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (scope && (tokenAfterColon & 143360) === 143360) {\r\n addVarOrBlock(parser, context, scope, valueAfterColon, kind, origin);\r\n }\r\n }\r\n else {\r\n destructible |=\r\n parser.assignable & 1\r\n ? 32\r\n : 16;\r\n }\r\n }\r\n else if ((parser.token & 4194304) === 4194304) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (token !== 1077936157) {\r\n destructible |= 32;\r\n }\r\n else if (scope) {\r\n addVarOrBlock(parser, context, scope, valueAfterColon, kind, origin);\r\n }\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n else {\r\n destructible |= 16;\r\n if ((parser.token & 8454144) === 8454144) {\r\n value = parseBinaryExpression(parser, context, 1, tokenPos, linePos, colPos, 4, token, value);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n value = parseConditionalExpression(parser, context, value, tokenPos, linePos, colPos);\r\n }\r\n }\r\n }\r\n else if ((parser.token & 2097152) === 2097152) {\r\n value =\r\n parser.token === 69271571\r\n ? parseArrayExpressionOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos)\r\n : parseObjectLiteralOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos);\r\n destructible = parser.destructible;\r\n parser.assignable =\r\n destructible & 16 ? 2 : 1;\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (parser.assignable & 2)\r\n destructible |= 16;\r\n }\r\n else if (parser.destructible & 8) {\r\n report(parser, 69);\r\n }\r\n else {\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable & 2 ? 16 : 0;\r\n if ((parser.token & 4194304) === 4194304) {\r\n value = parseAssignmentExpressionOrPattern(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n else {\r\n if ((parser.token & 8454144) === 8454144) {\r\n value = parseBinaryExpression(parser, context, 1, tokenPos, linePos, colPos, 4, token, value);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n value = parseConditionalExpression(parser, context, value, tokenPos, linePos, colPos);\r\n }\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : 32;\r\n }\r\n }\r\n }\r\n else {\r\n value = parseLeftHandSideExpression(parser, context, 1, inGroup, 1, tokenPos, linePos, colPos);\r\n destructible |=\r\n parser.assignable & 1\r\n ? 32\r\n : 16;\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (parser.assignable & 2)\r\n destructible |= 16;\r\n }\r\n else {\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable & 2 ? 16 : 0;\r\n if (parser.token !== 18 && token !== 1074790415) {\r\n if (parser.token !== 1077936157)\r\n destructible |= 16;\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n }\r\n }\r\n }\r\n else if (parser.token === 69271571) {\r\n destructible |= 16;\r\n if (token === 209007)\r\n state |= 16;\r\n state |=\r\n (token === 12402\r\n ? 256\r\n : token === 12403\r\n ? 512\r\n : 1) | 2;\r\n key = parseComputedPropertyName(parser, context, inGroup);\r\n destructible |= parser.assignable;\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else if (parser.token & (143360 | 4096)) {\r\n destructible |= 16;\r\n if (token === 121)\r\n report(parser, 93);\r\n if (token === 209007) {\r\n if (parser.flags & 1)\r\n report(parser, 129);\r\n state |= 16;\r\n }\r\n key = parseIdentifier(parser, context, 0);\r\n state |=\r\n token === 12402\r\n ? 256\r\n : token === 12403\r\n ? 512\r\n : 1;\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else if (parser.token === 67174411) {\r\n destructible |= 16;\r\n state |= 1;\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else if (parser.token === 8457014) {\r\n destructible |= 16;\r\n if (token === 12402) {\r\n report(parser, 40);\r\n }\r\n else if (token === 12403) {\r\n report(parser, 41);\r\n }\r\n else if (token === 143483) {\r\n report(parser, 93);\r\n }\r\n nextToken(parser, context);\r\n state |=\r\n 8 | 1 | (token === 209007 ? 16 : 0);\r\n if (parser.token & 143360) {\r\n key = parseIdentifier(parser, context, 0);\r\n }\r\n else if ((parser.token & 134217728) === 134217728) {\r\n key = parseLiteral(parser, context);\r\n }\r\n else if (parser.token === 69271571) {\r\n state |= 2;\r\n key = parseComputedPropertyName(parser, context, inGroup);\r\n destructible |= parser.assignable;\r\n }\r\n else {\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else if ((parser.token & 134217728) === 134217728) {\r\n if (token === 209007)\r\n state |= 16;\r\n state |=\r\n token === 12402\r\n ? 256\r\n : token === 12403\r\n ? 512\r\n : 1;\r\n destructible |= 16;\r\n key = parseLiteral(parser, context);\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else {\r\n report(parser, 130);\r\n }\r\n }\r\n else if ((parser.token & 134217728) === 134217728) {\r\n key = parseLiteral(parser, context);\r\n if (parser.token === 21) {\r\n consume(parser, context | 32768, 21);\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (tokenValue === '__proto__')\r\n prototypeCount++;\r\n if (parser.token & 143360) {\r\n value = parsePrimaryExpression(parser, context, kind, 0, 1, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n const { token, tokenValue: valueAfterColon } = parser;\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (token === 1077936157 || token === 1074790415 || token === 18) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (scope) {\r\n addVarOrBlock(parser, context, scope, valueAfterColon, kind, origin);\r\n }\r\n }\r\n else {\r\n destructible |=\r\n parser.assignable & 1\r\n ? 32\r\n : 16;\r\n }\r\n }\r\n else if (parser.token === 1077936157) {\r\n if (parser.assignable & 2)\r\n destructible |= 16;\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n else {\r\n destructible |= 16;\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n }\r\n else if ((parser.token & 2097152) === 2097152) {\r\n value =\r\n parser.token === 69271571\r\n ? parseArrayExpressionOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos)\r\n : parseObjectLiteralOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos);\r\n destructible = parser.destructible;\r\n parser.assignable =\r\n destructible & 16 ? 2 : 1;\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n }\r\n else if ((parser.destructible & 8) !== 8) {\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable & 2 ? 16 : 0;\r\n if ((parser.token & 4194304) === 4194304) {\r\n value = parseAssignmentExpressionOrPattern(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n else {\r\n if ((parser.token & 8454144) === 8454144) {\r\n value = parseBinaryExpression(parser, context, 1, tokenPos, linePos, colPos, 4, token, value);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n value = parseConditionalExpression(parser, context, value, tokenPos, linePos, colPos);\r\n }\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : 32;\r\n }\r\n }\r\n }\r\n else {\r\n value = parseLeftHandSideExpression(parser, context, 1, 0, 1, tokenPos, linePos, colPos);\r\n destructible |=\r\n parser.assignable & 1\r\n ? 32\r\n : 16;\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n }\r\n else {\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable & 1 ? 0 : 16;\r\n if (parser.token !== 18 && parser.token !== 1074790415) {\r\n if (parser.token !== 1077936157)\r\n destructible |= 16;\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n }\r\n }\r\n }\r\n else if (parser.token === 67174411) {\r\n state |= 1;\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n destructible = parser.assignable | 16;\r\n }\r\n else {\r\n report(parser, 131);\r\n }\r\n }\r\n else if (parser.token === 69271571) {\r\n key = parseComputedPropertyName(parser, context, inGroup);\r\n destructible |= parser.destructible & 256 ? 256 : 0;\r\n state |= 2;\r\n if (parser.token === 21) {\r\n nextToken(parser, context | 32768);\r\n const { tokenPos, linePos, colPos, tokenValue, token: tokenAfterColon } = parser;\r\n if (parser.token & 143360) {\r\n value = parsePrimaryExpression(parser, context, kind, 0, 1, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n const { token } = parser;\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n if ((parser.token & 4194304) === 4194304) {\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : token === 1077936157\r\n ? 0\r\n : 32;\r\n value = parseAssignmentExpressionOrPattern(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n else if (parser.token === 18 || parser.token === 1074790415) {\r\n if (token === 1077936157 || token === 1074790415 || token === 18) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n }\r\n else if (scope && (tokenAfterColon & 143360) === 143360) {\r\n addVarOrBlock(parser, context, scope, tokenValue, kind, origin);\r\n }\r\n }\r\n else {\r\n destructible |=\r\n parser.assignable & 1\r\n ? 32\r\n : 16;\r\n }\r\n }\r\n else {\r\n destructible |= 16;\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n }\r\n else if ((parser.token & 2097152) === 2097152) {\r\n value =\r\n parser.token === 69271571\r\n ? parseArrayExpressionOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos)\r\n : parseObjectLiteralOrPattern(parser, context, scope, 0, inGroup, isPattern, kind, origin, tokenPos, linePos, colPos);\r\n destructible = parser.destructible;\r\n parser.assignable =\r\n destructible & 16 ? 2 : 1;\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (parser.assignable & 2)\r\n destructible |= 16;\r\n }\r\n else if (destructible & 8) {\r\n report(parser, 60);\r\n }\r\n else {\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible =\r\n parser.assignable & 2 ? destructible | 16 : 0;\r\n if ((parser.token & 4194304) === 4194304) {\r\n if (parser.token !== 1077936157)\r\n destructible |= 16;\r\n value = parseAssignmentExpressionOrPattern(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n else {\r\n if ((parser.token & 8454144) === 8454144) {\r\n value = parseBinaryExpression(parser, context, 1, tokenPos, linePos, colPos, 4, token, value);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n value = parseConditionalExpression(parser, context, value, tokenPos, linePos, colPos);\r\n }\r\n destructible |=\r\n parser.assignable & 2\r\n ? 16\r\n : 32;\r\n }\r\n }\r\n }\r\n else {\r\n value = parseLeftHandSideExpression(parser, context, 1, 0, 1, tokenPos, linePos, colPos);\r\n destructible |=\r\n parser.assignable & 1\r\n ? 32\r\n : 16;\r\n if (parser.token === 18 || parser.token === 1074790415) {\r\n if (parser.assignable & 2)\r\n destructible |= 16;\r\n }\r\n else {\r\n value = parseMemberOrUpdateExpression(parser, context, value, inGroup, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable & 1 ? 0 : 16;\r\n if (parser.token !== 18 && parser.token !== 1074790415) {\r\n if (parser.token !== 1077936157)\r\n destructible |= 16;\r\n value = parseAssignmentExpression(parser, context, inGroup, isPattern, tokenPos, linePos, colPos, value);\r\n }\r\n }\r\n }\r\n }\r\n else if (parser.token === 67174411) {\r\n state |= 1;\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, linePos, colPos);\r\n destructible = 16;\r\n }\r\n else {\r\n report(parser, 42);\r\n }\r\n }\r\n else if (token === 8457014) {\r\n consume(parser, context | 32768, 8457014);\r\n state |= 8;\r\n if (parser.token & 143360) {\r\n const { token, line, index } = parser;\r\n key = parseIdentifier(parser, context, 0);\r\n state |= 1;\r\n if (parser.token === 67174411) {\r\n destructible |= 16;\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else {\r\n reportMessageAt(index, line, index, token === 209007\r\n ? 44\r\n : token === 12402 || parser.token === 12403\r\n ? 43\r\n : 45, KeywordDescTable[token & 255]);\r\n }\r\n }\r\n else if ((parser.token & 134217728) === 134217728) {\r\n destructible |= 16;\r\n key = parseLiteral(parser, context);\r\n state |= 1;\r\n value = parseMethodDefinition(parser, context, state, inGroup, tokenPos, linePos, colPos);\r\n }\r\n else if (parser.token === 69271571) {\r\n destructible |= 16;\r\n state |= 2 | 1;\r\n key = parseComputedPropertyName(parser, context, inGroup);\r\n value = parseMethodDefinition(parser, context, state, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else {\r\n report(parser, 123);\r\n }\r\n }\r\n else {\r\n report(parser, 28, KeywordDescTable[token & 255]);\r\n }\r\n destructible |= parser.destructible & 128 ? 128 : 0;\r\n parser.destructible = destructible;\r\n properties.push(finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'Property',\r\n key: key,\r\n value,\r\n kind: !(state & 768) ? 'init' : state & 512 ? 'set' : 'get',\r\n computed: (state & 2) > 0,\r\n method: (state & 1) > 0,\r\n shorthand: (state & 4) > 0\r\n }));\r\n }\r\n destructible |= parser.destructible;\r\n if (parser.token !== 18)\r\n break;\r\n nextToken(parser, context);\r\n }\r\n consume(parser, context, 1074790415);\r\n if (prototypeCount > 1)\r\n destructible |= 64;\r\n const node = finishNode(parser, context, start, line, column, {\r\n type: isPattern ? 'ObjectPattern' : 'ObjectExpression',\r\n properties\r\n });\r\n if (!skipInitializer && parser.token & 4194304) {\r\n return parseArrayOrObjectAssignmentPattern(parser, context, destructible, inGroup, isPattern, start, line, column, node);\r\n }\r\n parser.destructible = destructible;\r\n return node;\r\n}\r\nfunction parseMethodFormals(parser, context, scope, kind, type, inGroup) {\r\n consume(parser, context, 67174411);\r\n const params = [];\r\n parser.flags = (parser.flags | 128) ^ 128;\r\n if (parser.token === 16) {\r\n if (kind & 512) {\r\n report(parser, 35, 'Setter', 'one', '');\r\n }\r\n nextToken(parser, context);\r\n return params;\r\n }\r\n if (kind & 256) {\r\n report(parser, 35, 'Getter', 'no', 's');\r\n }\r\n if (kind & 512 && parser.token === 14) {\r\n report(parser, 36);\r\n }\r\n context = (context | 134217728) ^ 134217728;\r\n let setterArgs = 0;\r\n let isSimpleParameterList = 0;\r\n while (parser.token !== 18) {\r\n let left = null;\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (parser.token & 143360) {\r\n if ((context & 1024) === 0) {\r\n if ((parser.token & 36864) === 36864) {\r\n parser.flags |= 256;\r\n }\r\n if ((parser.token & 537079808) === 537079808) {\r\n parser.flags |= 512;\r\n }\r\n }\r\n left = parseAndClassifyIdentifier(parser, context, scope, kind | 1, 0, tokenPos, linePos, colPos);\r\n }\r\n else {\r\n if (parser.token === 2162700) {\r\n left = parseObjectLiteralOrPattern(parser, context, scope, 1, inGroup, 1, type, 0, tokenPos, linePos, colPos);\r\n }\r\n else if (parser.token === 69271571) {\r\n left = parseArrayExpressionOrPattern(parser, context, scope, 1, inGroup, 1, type, 0, tokenPos, linePos, colPos);\r\n }\r\n else if (parser.token === 14) {\r\n left = parseSpreadOrRestElement(parser, context, scope, 16, type, 0, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n }\r\n isSimpleParameterList = 1;\r\n if (parser.destructible & (32 | 16))\r\n report(parser, 48);\r\n }\r\n if (parser.token === 1077936157) {\r\n nextToken(parser, context | 32768);\r\n isSimpleParameterList = 1;\r\n const right = parseExpression(parser, context, 1, 1, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n left = finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'AssignmentPattern',\r\n left: left,\r\n right\r\n });\r\n }\r\n setterArgs++;\r\n params.push(left);\r\n if (!consumeOpt(parser, context, 18))\r\n break;\r\n if (parser.token === 16) {\r\n break;\r\n }\r\n }\r\n if (kind & 512 && setterArgs !== 1) {\r\n report(parser, 35, 'Setter', 'one', '');\r\n }\r\n if (scope && scope.scopeError !== void 0)\r\n reportScopeError(scope.scopeError);\r\n if (isSimpleParameterList)\r\n parser.flags |= 128;\r\n consume(parser, context, 16);\r\n return params;\r\n}\r\nfunction parseComputedPropertyName(parser, context, inGroup) {\r\n nextToken(parser, context | 32768);\r\n const key = parseExpression(parser, (context | 134217728) ^ 134217728, 1, 0, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context, 20);\r\n return key;\r\n}\r\nfunction parseParenthesizedExpression(parser, context, canAssign, kind, origin, start, line, column) {\r\n parser.flags = (parser.flags | 128) ^ 128;\r\n const { tokenPos: piStart, linePos: plStart, colPos: pcStart } = parser;\r\n nextToken(parser, context | 32768 | 1073741824);\r\n const scope = context & 64 ? addChildScope(createScope(), 1024) : void 0;\r\n context = (context | 134217728) ^ 134217728;\r\n if (consumeOpt(parser, context, 16)) {\r\n return parseParenthesizedArrow(parser, context, scope, [], canAssign, 0, start, line, column);\r\n }\r\n let destructible = 0;\r\n parser.destructible &= ~(256 | 128);\r\n let expr;\r\n let expressions = [];\r\n let isSequence = 0;\r\n let isSimpleParameterList = 0;\r\n const { tokenPos: iStart, linePos: lStart, colPos: cStart } = parser;\r\n parser.assignable = 1;\r\n while (parser.token !== 16) {\r\n const { token, tokenPos, linePos, colPos } = parser;\r\n if (token & (143360 | 4096)) {\r\n if (scope)\r\n addBlockName(parser, context, scope, parser.tokenValue, 1, 0);\r\n expr = parsePrimaryExpression(parser, context, kind, 0, 1, 0, 1, 1, tokenPos, linePos, colPos);\r\n if (parser.token === 16 || parser.token === 18) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n isSimpleParameterList = 1;\r\n }\r\n else if ((token & 537079808) === 537079808 ||\r\n (token & 36864) === 36864) {\r\n isSimpleParameterList = 1;\r\n }\r\n }\r\n else {\r\n if (parser.token === 1077936157) {\r\n isSimpleParameterList = 1;\r\n }\r\n else {\r\n destructible |= 16;\r\n }\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 1, 0, tokenPos, linePos, colPos);\r\n if (parser.token !== 16 && parser.token !== 18) {\r\n expr = parseAssignmentExpression(parser, context, 1, 0, tokenPos, linePos, colPos, expr);\r\n }\r\n }\r\n }\r\n else if ((token & 2097152) === 2097152) {\r\n expr =\r\n token === 2162700\r\n ? parseObjectLiteralOrPattern(parser, context | 1073741824, scope, 0, 1, 0, kind, origin, tokenPos, linePos, colPos)\r\n : parseArrayExpressionOrPattern(parser, context | 1073741824, scope, 0, 1, 0, kind, origin, tokenPos, linePos, colPos);\r\n destructible |= parser.destructible;\r\n isSimpleParameterList = 1;\r\n parser.assignable = 2;\r\n if (parser.token !== 16 && parser.token !== 18) {\r\n if (destructible & 8)\r\n report(parser, 119);\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, tokenPos, linePos, colPos);\r\n destructible |= 16;\r\n if (parser.token !== 16 && parser.token !== 18) {\r\n expr = parseAssignmentExpression(parser, context, 0, 0, tokenPos, linePos, colPos, expr);\r\n }\r\n }\r\n }\r\n else if (token === 14) {\r\n expr = parseSpreadOrRestElement(parser, context, scope, 16, kind, origin, 0, 1, 0, tokenPos, linePos, colPos);\r\n if (parser.destructible & 16)\r\n report(parser, 72);\r\n isSimpleParameterList = 1;\r\n if (isSequence && (parser.token === 16 || parser.token === 18)) {\r\n expressions.push(expr);\r\n }\r\n destructible |= 8;\r\n break;\r\n }\r\n else {\r\n destructible |= 16;\r\n expr = parseExpression(parser, context, 1, 0, 1, tokenPos, linePos, colPos);\r\n if (isSequence && (parser.token === 16 || parser.token === 18)) {\r\n expressions.push(expr);\r\n }\r\n if (parser.token === 18) {\r\n if (!isSequence) {\r\n isSequence = 1;\r\n expressions = [expr];\r\n }\r\n }\r\n if (isSequence) {\r\n while (consumeOpt(parser, context | 32768, 18)) {\r\n expressions.push(parseExpression(parser, context, 1, 0, 1, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n parser.assignable = 2;\r\n expr = finishNode(parser, context, iStart, lStart, cStart, {\r\n type: 'SequenceExpression',\r\n expressions\r\n });\r\n }\r\n consume(parser, context, 16);\r\n parser.destructible = destructible;\r\n return expr;\r\n }\r\n if (isSequence && (parser.token === 16 || parser.token === 18)) {\r\n expressions.push(expr);\r\n }\r\n if (!consumeOpt(parser, context | 32768, 18))\r\n break;\r\n if (!isSequence) {\r\n isSequence = 1;\r\n expressions = [expr];\r\n }\r\n if (parser.token === 16) {\r\n destructible |= 8;\r\n break;\r\n }\r\n }\r\n if (isSequence) {\r\n parser.assignable = 2;\r\n expr = finishNode(parser, context, iStart, lStart, cStart, {\r\n type: 'SequenceExpression',\r\n expressions\r\n });\r\n }\r\n consume(parser, context, 16);\r\n if (destructible & 16 && destructible & 8)\r\n report(parser, 146);\r\n destructible |=\r\n parser.destructible & 256\r\n ? 256\r\n : 0 | (parser.destructible & 128)\r\n ? 128\r\n : 0;\r\n if (parser.token === 10) {\r\n if (destructible & (32 | 16))\r\n report(parser, 47);\r\n if (context & (4194304 | 2048) && destructible & 128)\r\n report(parser, 29);\r\n if (context & (1024 | 2097152) && destructible & 256) {\r\n report(parser, 30);\r\n }\r\n if (isSimpleParameterList)\r\n parser.flags |= 128;\r\n return parseParenthesizedArrow(parser, context, scope, isSequence ? expressions : [expr], canAssign, 0, start, line, column);\r\n }\r\n else if (destructible & 8) {\r\n report(parser, 140);\r\n }\r\n parser.destructible = ((parser.destructible | 256) ^ 256) | destructible;\r\n return context & 128\r\n ? finishNode(parser, context, piStart, plStart, pcStart, {\r\n type: 'ParenthesizedExpression',\r\n expression: expr\r\n })\r\n : expr;\r\n}\r\nfunction parseIdentifierOrArrow(parser, context, start, line, column) {\r\n const { tokenValue } = parser;\r\n const expr = parseIdentifier(parser, context, 0);\r\n parser.assignable = 1;\r\n if (parser.token === 10) {\r\n let scope = void 0;\r\n if (context & 64)\r\n scope = createArrowHeadParsingScope(parser, context, tokenValue);\r\n parser.flags = (parser.flags | 128) ^ 128;\r\n return parseArrowFunctionExpression(parser, context, scope, [expr], 0, start, line, column);\r\n }\r\n return expr;\r\n}\r\nfunction parseArrowFromIdentifier(parser, context, value, expr, inNew, canAssign, isAsync, start, line, column) {\r\n if (!canAssign)\r\n report(parser, 55);\r\n if (inNew)\r\n report(parser, 49);\r\n parser.flags &= ~128;\r\n const scope = context & 64 ? createArrowHeadParsingScope(parser, context, value) : void 0;\r\n return parseArrowFunctionExpression(parser, context, scope, [expr], isAsync, start, line, column);\r\n}\r\nfunction parseParenthesizedArrow(parser, context, scope, params, canAssign, isAsync, start, line, column) {\r\n if (!canAssign)\r\n report(parser, 55);\r\n for (let i = 0; i < params.length; ++i)\r\n reinterpretToPattern(parser, params[i]);\r\n return parseArrowFunctionExpression(parser, context, scope, params, isAsync, start, line, column);\r\n}\r\nfunction parseArrowFunctionExpression(parser, context, scope, params, isAsync, start, line, column) {\r\n if (parser.flags & 1)\r\n report(parser, 46);\r\n consume(parser, context | 32768, 10);\r\n context = ((context | 15728640) ^ 15728640) | (isAsync << 22);\r\n const expression = parser.token !== 2162700;\r\n let body;\r\n if (scope && scope.scopeError !== void 0) {\r\n reportScopeError(scope.scopeError);\r\n }\r\n if (expression) {\r\n body = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n }\r\n else {\r\n if (scope)\r\n scope = addChildScope(scope, 128);\r\n body = parseFunctionBody(parser, (context | 134221824 | 8192 | 16384) ^\r\n (134221824 | 8192 | 16384), scope, 16, void 0, void 0);\r\n switch (parser.token) {\r\n case 69271571:\r\n if ((parser.flags & 1) === 0) {\r\n report(parser, 113);\r\n }\r\n break;\r\n case 67108877:\r\n case 67174409:\r\n case 22:\r\n report(parser, 114);\r\n case 67174411:\r\n if ((parser.flags & 1) === 0) {\r\n report(parser, 113);\r\n }\r\n parser.flags |= 1024;\r\n break;\r\n }\r\n if ((parser.token & 8454144) === 8454144 && (parser.flags & 1) === 0)\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n if ((parser.token & 33619968) === 33619968)\r\n report(parser, 122);\r\n }\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'ArrowFunctionExpression',\r\n params,\r\n body,\r\n async: isAsync === 1,\r\n expression\r\n });\r\n}\r\nfunction parseFormalParametersOrFormalList(parser, context, scope, inGroup, kind) {\r\n consume(parser, context, 67174411);\r\n parser.flags = (parser.flags | 128) ^ 128;\r\n const params = [];\r\n if (consumeOpt(parser, context, 16))\r\n return params;\r\n context = (context | 134217728) ^ 134217728;\r\n let isSimpleParameterList = 0;\r\n while (parser.token !== 18) {\r\n let left;\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (parser.token & 143360) {\r\n if ((context & 1024) === 0) {\r\n if ((parser.token & 36864) === 36864) {\r\n parser.flags |= 256;\r\n }\r\n if ((parser.token & 537079808) === 537079808) {\r\n parser.flags |= 512;\r\n }\r\n }\r\n left = parseAndClassifyIdentifier(parser, context, scope, kind | 1, 0, tokenPos, linePos, colPos);\r\n }\r\n else {\r\n if (parser.token === 2162700) {\r\n left = parseObjectLiteralOrPattern(parser, context, scope, 1, inGroup, 1, kind, 0, tokenPos, linePos, colPos);\r\n }\r\n else if (parser.token === 69271571) {\r\n left = parseArrayExpressionOrPattern(parser, context, scope, 1, inGroup, 1, kind, 0, tokenPos, linePos, colPos);\r\n }\r\n else if (parser.token === 14) {\r\n left = parseSpreadOrRestElement(parser, context, scope, 16, kind, 0, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n }\r\n else {\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n isSimpleParameterList = 1;\r\n if (parser.destructible & (32 | 16)) {\r\n report(parser, 48);\r\n }\r\n }\r\n if (parser.token === 1077936157) {\r\n nextToken(parser, context | 32768);\r\n isSimpleParameterList = 1;\r\n const right = parseExpression(parser, context, 1, 1, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n left = finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'AssignmentPattern',\r\n left,\r\n right\r\n });\r\n }\r\n params.push(left);\r\n if (!consumeOpt(parser, context, 18))\r\n break;\r\n if (parser.token === 16) {\r\n break;\r\n }\r\n }\r\n if (isSimpleParameterList)\r\n parser.flags |= 128;\r\n if (scope && (isSimpleParameterList || context & 1024) && scope.scopeError !== void 0) {\r\n reportScopeError(scope.scopeError);\r\n }\r\n consume(parser, context, 16);\r\n return params;\r\n}\r\nfunction parseMembeExpressionNoCall(parser, context, expr, inGroup, start, line, column) {\r\n const { token } = parser;\r\n if (token & 67108864) {\r\n if (token === 67108877) {\r\n nextToken(parser, context | 1073741824);\r\n parser.assignable = 1;\r\n const property = parsePropertyOrPrivatePropertyName(parser, context);\r\n return parseMembeExpressionNoCall(parser, context, finishNode(parser, context, start, line, column, {\r\n type: 'MemberExpression',\r\n object: expr,\r\n computed: false,\r\n property\r\n }), 0, start, line, column);\r\n }\r\n else if (token === 69271571) {\r\n nextToken(parser, context | 32768);\r\n const { tokenPos, linePos, colPos } = parser;\r\n const property = parseExpressions(parser, context, inGroup, 1, tokenPos, linePos, colPos);\r\n consume(parser, context, 20);\r\n parser.assignable = 1;\r\n return parseMembeExpressionNoCall(parser, context, finishNode(parser, context, start, line, column, {\r\n type: 'MemberExpression',\r\n object: expr,\r\n computed: true,\r\n property\r\n }), 0, start, line, column);\r\n }\r\n else if (token === 67174408 || token === 67174409) {\r\n parser.assignable = 2;\r\n return parseMembeExpressionNoCall(parser, context, finishNode(parser, context, start, line, column, {\r\n type: 'TaggedTemplateExpression',\r\n tag: expr,\r\n quasi: parser.token === 67174408\r\n ? parseTemplate(parser, context | 65536)\r\n : parseTemplateLiteral(parser, context, parser.tokenPos, parser.linePos, parser.colPos)\r\n }), 0, start, line, column);\r\n }\r\n }\r\n return expr;\r\n}\r\nfunction parseNewExpression(parser, context, inGroup, start, line, column) {\r\n const id = parseIdentifier(parser, context | 32768, 0);\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (consumeOpt(parser, context, 67108877)) {\r\n if (context & 67108864 && parser.token === 143494) {\r\n parser.assignable = 2;\r\n return parseMetaProperty(parser, context, id, start, line, column);\r\n }\r\n report(parser, 92);\r\n }\r\n parser.assignable = 2;\r\n if ((parser.token & 16842752) === 16842752) {\r\n report(parser, 63, KeywordDescTable[parser.token & 255]);\r\n }\r\n const expr = parsePrimaryExpression(parser, context, 2, 1, 0, 0, inGroup, 1, tokenPos, linePos, colPos);\r\n context = (context | 134217728) ^ 134217728;\r\n if (parser.token === 67108991)\r\n report(parser, 163);\r\n const callee = parseMembeExpressionNoCall(parser, context, expr, inGroup, tokenPos, linePos, colPos);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'NewExpression',\r\n callee,\r\n arguments: parser.token === 67174411 ? parseArguments(parser, context, inGroup) : []\r\n });\r\n}\r\nfunction parseMetaProperty(parser, context, meta, start, line, column) {\r\n const property = parseIdentifier(parser, context, 0);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'MetaProperty',\r\n meta,\r\n property\r\n });\r\n}\r\nfunction parseAsyncArrowAfterIdent(parser, context, canAssign, start, line, column) {\r\n if (parser.token === 209008)\r\n report(parser, 29);\r\n if (context & (1024 | 2097152) && parser.token === 241773) {\r\n report(parser, 30);\r\n }\r\n if ((parser.token & 537079808) === 537079808) {\r\n parser.flags |= 512;\r\n }\r\n return parseArrowFromIdentifier(parser, context, parser.tokenValue, parseIdentifier(parser, context, 0), 0, canAssign, 1, start, line, column);\r\n}\r\nfunction parseAsyncArrowOrCallExpression(parser, context, callee, canAssign, kind, origin, flags, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const scope = context & 64 ? addChildScope(createScope(), 1024) : void 0;\r\n context = (context | 134217728) ^ 134217728;\r\n if (consumeOpt(parser, context, 16)) {\r\n if (parser.token === 10) {\r\n if (flags & 1)\r\n report(parser, 46);\r\n return parseParenthesizedArrow(parser, context, scope, [], canAssign, 1, start, line, column);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'CallExpression',\r\n callee,\r\n arguments: []\r\n });\r\n }\r\n let destructible = 0;\r\n let expr = null;\r\n let isSimpleParameterList = 0;\r\n parser.destructible =\r\n (parser.destructible | 256 | 128) ^\r\n (256 | 128);\r\n const params = [];\r\n while (parser.token !== 16) {\r\n const { token, tokenPos, linePos, colPos } = parser;\r\n if (token & (143360 | 4096)) {\r\n if (scope)\r\n addBlockName(parser, context, scope, parser.tokenValue, kind, 0);\r\n expr = parsePrimaryExpression(parser, context, kind, 0, 1, 0, 1, 1, tokenPos, linePos, colPos);\r\n if (parser.token === 16 || parser.token === 18) {\r\n if (parser.assignable & 2) {\r\n destructible |= 16;\r\n isSimpleParameterList = 1;\r\n }\r\n else if ((token & 537079808) === 537079808) {\r\n parser.flags |= 512;\r\n }\r\n else if ((token & 36864) === 36864) {\r\n parser.flags |= 256;\r\n }\r\n }\r\n else {\r\n if (parser.token === 1077936157) {\r\n isSimpleParameterList = 1;\r\n }\r\n else {\r\n destructible |= 16;\r\n }\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 1, 0, tokenPos, linePos, colPos);\r\n if (parser.token !== 16 && parser.token !== 18) {\r\n expr = parseAssignmentExpression(parser, context, 1, 0, tokenPos, linePos, colPos, expr);\r\n }\r\n }\r\n }\r\n else if (token & 2097152) {\r\n expr =\r\n token === 2162700\r\n ? parseObjectLiteralOrPattern(parser, context, scope, 0, 1, 0, kind, origin, tokenPos, linePos, colPos)\r\n : parseArrayExpressionOrPattern(parser, context, scope, 0, 1, 0, kind, origin, tokenPos, linePos, colPos);\r\n destructible |= parser.destructible;\r\n isSimpleParameterList = 1;\r\n if (parser.token !== 16 && parser.token !== 18) {\r\n if (destructible & 8)\r\n report(parser, 119);\r\n expr = parseMemberOrUpdateExpression(parser, context, expr, 0, 0, tokenPos, linePos, colPos);\r\n destructible |= 16;\r\n if ((parser.token & 8454144) === 8454144) {\r\n expr = parseBinaryExpression(parser, context, 1, start, line, column, 4, token, expr);\r\n }\r\n if (consumeOpt(parser, context | 32768, 22)) {\r\n expr = parseConditionalExpression(parser, context, expr, start, line, column);\r\n }\r\n }\r\n }\r\n else if (token === 14) {\r\n expr = parseSpreadOrRestElement(parser, context, scope, 16, kind, origin, 1, 1, 0, tokenPos, linePos, colPos);\r\n destructible |= (parser.token === 16 ? 0 : 16) | parser.destructible;\r\n isSimpleParameterList = 1;\r\n }\r\n else {\r\n expr = parseExpression(parser, context, 1, 0, 0, tokenPos, linePos, colPos);\r\n destructible = parser.assignable;\r\n params.push(expr);\r\n while (consumeOpt(parser, context | 32768, 18)) {\r\n params.push(parseExpression(parser, context, 1, 0, 0, tokenPos, linePos, colPos));\r\n }\r\n destructible |= parser.assignable;\r\n consume(parser, context, 16);\r\n parser.destructible = destructible | 16;\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'CallExpression',\r\n callee,\r\n arguments: params\r\n });\r\n }\r\n params.push(expr);\r\n if (!consumeOpt(parser, context | 32768, 18))\r\n break;\r\n }\r\n consume(parser, context, 16);\r\n destructible |=\r\n parser.destructible & 256\r\n ? 256\r\n : 0 | (parser.destructible & 128)\r\n ? 128\r\n : 0;\r\n if (parser.token === 10) {\r\n if (destructible & (32 | 16))\r\n report(parser, 25);\r\n if (parser.flags & 1 || flags & 1)\r\n report(parser, 46);\r\n if (destructible & 128)\r\n report(parser, 29);\r\n if (context & (1024 | 2097152) && destructible & 256)\r\n report(parser, 30);\r\n if (isSimpleParameterList)\r\n parser.flags |= 128;\r\n return parseParenthesizedArrow(parser, context, scope, params, canAssign, 1, start, line, column);\r\n }\r\n else if (destructible & 8) {\r\n report(parser, 60);\r\n }\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'CallExpression',\r\n callee,\r\n arguments: params\r\n });\r\n}\r\nfunction parseRegExpLiteral(parser, context, start, line, column) {\r\n const { tokenRaw, tokenRegExp, tokenValue } = parser;\r\n nextToken(parser, context);\r\n parser.assignable = 2;\r\n return context & 512\r\n ? finishNode(parser, context, start, line, column, {\r\n type: 'Literal',\r\n value: tokenValue,\r\n regex: tokenRegExp,\r\n raw: tokenRaw\r\n })\r\n : finishNode(parser, context, start, line, column, {\r\n type: 'Literal',\r\n value: tokenValue,\r\n regex: tokenRegExp\r\n });\r\n}\r\nfunction parseClassDeclaration(parser, context, scope, flags, start, line, column) {\r\n context = (context | 16777216 | 1024) ^ 16777216;\r\n let decorators = parseDecorators(parser, context);\r\n if (decorators.length) {\r\n start = parser.tokenPos;\r\n line = parser.linePos;\r\n column = parser.colPos;\r\n }\r\n if (parser.leadingDecorators.length) {\r\n parser.leadingDecorators.push(...decorators);\r\n decorators = parser.leadingDecorators;\r\n parser.leadingDecorators = [];\r\n }\r\n nextToken(parser, context);\r\n let id = null;\r\n let superClass = null;\r\n const { tokenValue } = parser;\r\n if (parser.token & 4096 && parser.token !== 20567) {\r\n if (isStrictReservedWord(parser, context, parser.token)) {\r\n report(parser, 115);\r\n }\r\n if ((parser.token & 537079808) === 537079808) {\r\n report(parser, 116);\r\n }\r\n if (scope) {\r\n addBlockName(parser, context, scope, tokenValue, 32, 0);\r\n if (flags) {\r\n if (flags & 2) {\r\n declareUnboundVariable(parser, tokenValue);\r\n }\r\n }\r\n }\r\n id = parseIdentifier(parser, context, 0);\r\n }\r\n else {\r\n if ((flags & 1) === 0)\r\n report(parser, 37, 'Class');\r\n }\r\n let inheritedContext = context;\r\n if (consumeOpt(parser, context | 32768, 20567)) {\r\n superClass = parseLeftHandSideExpression(parser, context, 0, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n inheritedContext |= 524288;\r\n }\r\n else {\r\n inheritedContext = (inheritedContext | 524288) ^ 524288;\r\n }\r\n const body = parseClassBody(parser, inheritedContext, context, scope, 2, 8, 0);\r\n return finishNode(parser, context, start, line, column, context & 1\r\n ? {\r\n type: 'ClassDeclaration',\r\n id,\r\n superClass,\r\n decorators,\r\n body\r\n }\r\n : {\r\n type: 'ClassDeclaration',\r\n id,\r\n superClass,\r\n body\r\n });\r\n}\r\nfunction parseClassExpression(parser, context, inGroup, start, line, column) {\r\n let id = null;\r\n let superClass = null;\r\n context = (context | 1024 | 16777216) ^ 16777216;\r\n const decorators = parseDecorators(parser, context);\r\n if (decorators.length) {\r\n start = parser.tokenPos;\r\n line = parser.linePos;\r\n column = parser.colPos;\r\n }\r\n nextToken(parser, context);\r\n if (parser.token & 4096 && parser.token !== 20567) {\r\n if (isStrictReservedWord(parser, context, parser.token))\r\n report(parser, 115);\r\n if ((parser.token & 537079808) === 537079808) {\r\n report(parser, 116);\r\n }\r\n id = parseIdentifier(parser, context, 0);\r\n }\r\n let inheritedContext = context;\r\n if (consumeOpt(parser, context | 32768, 20567)) {\r\n superClass = parseLeftHandSideExpression(parser, context, 0, inGroup, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n inheritedContext |= 524288;\r\n }\r\n else {\r\n inheritedContext = (inheritedContext | 524288) ^ 524288;\r\n }\r\n const body = parseClassBody(parser, inheritedContext, context, void 0, 2, 0, inGroup);\r\n parser.assignable = 2;\r\n return finishNode(parser, context, start, line, column, context & 1\r\n ? {\r\n type: 'ClassExpression',\r\n id,\r\n superClass,\r\n decorators,\r\n body\r\n }\r\n : {\r\n type: 'ClassExpression',\r\n id,\r\n superClass,\r\n body\r\n });\r\n}\r\nfunction parseDecorators(parser, context) {\r\n const list = [];\r\n if (context & 1) {\r\n while (parser.token === 133) {\r\n list.push(parseDecoratorList(parser, context, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n }\r\n return list;\r\n}\r\nfunction parseDecoratorList(parser, context, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n let expression = parsePrimaryExpression(parser, context, 2, 0, 1, 0, 0, 1, start, line, column);\r\n expression = parseMemberOrUpdateExpression(parser, context, expression, 0, 0, start, line, column);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'Decorator',\r\n expression\r\n });\r\n}\r\nfunction parseClassBody(parser, context, inheritedContext, scope, kind, origin, inGroup) {\r\n const { tokenPos, linePos, colPos } = parser;\r\n consume(parser, context | 32768, 2162700);\r\n context = (context | 134217728) ^ 134217728;\r\n parser.flags = (parser.flags | 32) ^ 32;\r\n const body = [];\r\n let decorators;\r\n while (parser.token !== 1074790415) {\r\n let length = 0;\r\n decorators = parseDecorators(parser, context);\r\n length = decorators.length;\r\n if (length > 0 && parser.tokenValue === 'constructor') {\r\n report(parser, 107);\r\n }\r\n if (parser.token === 1074790415)\r\n report(parser, 106);\r\n if (consumeOpt(parser, context, 1074790417)) {\r\n if (length > 0)\r\n report(parser, 117);\r\n continue;\r\n }\r\n body.push(parseClassElementList(parser, context, scope, inheritedContext, kind, decorators, 0, inGroup, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n consume(parser, origin & 8 ? context | 32768 : context, 1074790415);\r\n return finishNode(parser, context, tokenPos, linePos, colPos, {\r\n type: 'ClassBody',\r\n body\r\n });\r\n}\r\nfunction parseClassElementList(parser, context, scope, inheritedContext, type, decorators, isStatic, inGroup, start, line, column) {\r\n let kind = isStatic ? 32 : 0;\r\n let key = null;\r\n const { token, tokenPos, linePos, colPos } = parser;\r\n if (token & (143360 | 36864)) {\r\n key = parseIdentifier(parser, context, 0);\r\n switch (token) {\r\n case 36972:\r\n if (!isStatic && parser.token !== 67174411) {\r\n return parseClassElementList(parser, context, scope, inheritedContext, type, decorators, 1, inGroup, start, line, column);\r\n }\r\n break;\r\n case 209007:\r\n if (parser.token !== 67174411 && (parser.flags & 1) === 0) {\r\n if (context & 1 && (parser.token & 1073741824) === 1073741824) {\r\n return parsePropertyDefinition(parser, context, key, kind, decorators, tokenPos, linePos, colPos);\r\n }\r\n kind |= 16 | (optionalBit(parser, context, 8457014) ? 8 : 0);\r\n }\r\n break;\r\n case 12402:\r\n if (parser.token !== 67174411) {\r\n if (context & 1 && (parser.token & 1073741824) === 1073741824) {\r\n return parsePropertyDefinition(parser, context, key, kind, decorators, tokenPos, linePos, colPos);\r\n }\r\n kind |= 256;\r\n }\r\n break;\r\n case 12403:\r\n if (parser.token !== 67174411) {\r\n if (context & 1 && (parser.token & 1073741824) === 1073741824) {\r\n return parsePropertyDefinition(parser, context, key, kind, decorators, tokenPos, linePos, colPos);\r\n }\r\n kind |= 512;\r\n }\r\n break;\r\n }\r\n }\r\n else if (token === 69271571) {\r\n kind |= 2;\r\n key = parseComputedPropertyName(parser, inheritedContext, inGroup);\r\n }\r\n else if ((token & 134217728) === 134217728) {\r\n key = parseLiteral(parser, context);\r\n }\r\n else if (token === 8457014) {\r\n kind |= 8;\r\n nextToken(parser, context);\r\n }\r\n else if (context & 1 && parser.token === 131) {\r\n kind |= 4096;\r\n key = parsePrivateIdentifier(parser, context | 16384, tokenPos, linePos, colPos);\r\n }\r\n else if (context & 1 && (parser.token & 1073741824) === 1073741824) {\r\n kind |= 128;\r\n }\r\n else if (isStatic && token === 2162700) {\r\n return parseStaticBlock(parser, context, scope, tokenPos, linePos, colPos);\r\n }\r\n else if (token === 122) {\r\n key = parseIdentifier(parser, context, 0);\r\n if (parser.token !== 67174411)\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n else {\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n }\r\n if (kind & (8 | 16 | 768)) {\r\n if (parser.token & 143360) {\r\n key = parseIdentifier(parser, context, 0);\r\n }\r\n else if ((parser.token & 134217728) === 134217728) {\r\n key = parseLiteral(parser, context);\r\n }\r\n else if (parser.token === 69271571) {\r\n kind |= 2;\r\n key = parseComputedPropertyName(parser, context, 0);\r\n }\r\n else if (parser.token === 122) {\r\n key = parseIdentifier(parser, context, 0);\r\n }\r\n else if (context & 1 && parser.token === 131) {\r\n kind |= 4096;\r\n key = parsePrivateIdentifier(parser, context, tokenPos, linePos, colPos);\r\n }\r\n else\r\n report(parser, 132);\r\n }\r\n if ((kind & 2) === 0) {\r\n if (parser.tokenValue === 'constructor') {\r\n if ((parser.token & 1073741824) === 1073741824) {\r\n report(parser, 126);\r\n }\r\n else if ((kind & 32) === 0 && parser.token === 67174411) {\r\n if (kind & (768 | 16 | 128 | 8)) {\r\n report(parser, 51, 'accessor');\r\n }\r\n else if ((context & 524288) === 0) {\r\n if (parser.flags & 32)\r\n report(parser, 52);\r\n else\r\n parser.flags |= 32;\r\n }\r\n }\r\n kind |= 64;\r\n }\r\n else if ((kind & 4096) === 0 &&\r\n kind & (32 | 768 | 8 | 16) &&\r\n parser.tokenValue === 'prototype') {\r\n report(parser, 50);\r\n }\r\n }\r\n if (context & 1 && parser.token !== 67174411) {\r\n return parsePropertyDefinition(parser, context, key, kind, decorators, tokenPos, linePos, colPos);\r\n }\r\n const value = parseMethodDefinition(parser, context, kind, inGroup, parser.tokenPos, parser.linePos, parser.colPos);\r\n return finishNode(parser, context, start, line, column, context & 1\r\n ? {\r\n type: 'MethodDefinition',\r\n kind: (kind & 32) === 0 && kind & 64\r\n ? 'constructor'\r\n : kind & 256\r\n ? 'get'\r\n : kind & 512\r\n ? 'set'\r\n : 'method',\r\n static: (kind & 32) > 0,\r\n computed: (kind & 2) > 0,\r\n key,\r\n decorators,\r\n value\r\n }\r\n : {\r\n type: 'MethodDefinition',\r\n kind: (kind & 32) === 0 && kind & 64\r\n ? 'constructor'\r\n : kind & 256\r\n ? 'get'\r\n : kind & 512\r\n ? 'set'\r\n : 'method',\r\n static: (kind & 32) > 0,\r\n computed: (kind & 2) > 0,\r\n key,\r\n value\r\n });\r\n}\r\nfunction parsePrivateIdentifier(parser, context, start, line, column) {\r\n nextToken(parser, context);\r\n const { tokenValue } = parser;\r\n if (tokenValue === 'constructor')\r\n report(parser, 125);\r\n nextToken(parser, context);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'PrivateIdentifier',\r\n name: tokenValue\r\n });\r\n}\r\nfunction parsePropertyDefinition(parser, context, key, state, decorators, start, line, column) {\r\n let value = null;\r\n if (state & 8)\r\n report(parser, 0);\r\n if (parser.token === 1077936157) {\r\n nextToken(parser, context | 32768);\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (parser.token === 537079928)\r\n report(parser, 116);\r\n value = parsePrimaryExpression(parser, context | 16384, 2, 0, 1, 0, 0, 1, tokenPos, linePos, colPos);\r\n if ((parser.token & 1073741824) !== 1073741824) {\r\n value = parseMemberOrUpdateExpression(parser, context | 16384, value, 0, 0, tokenPos, linePos, colPos);\r\n value = parseAssignmentExpression(parser, context | 16384, 0, 0, tokenPos, linePos, colPos, value);\r\n if (parser.token === 18) {\r\n value = parseSequenceExpression(parser, context, 0, start, line, column, value);\r\n }\r\n }\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'PropertyDefinition',\r\n key,\r\n value,\r\n static: (state & 32) > 0,\r\n computed: (state & 2) > 0,\r\n decorators\r\n });\r\n}\r\nfunction parseBindingPattern(parser, context, scope, type, origin, start, line, column) {\r\n if (parser.token & 143360)\r\n return parseAndClassifyIdentifier(parser, context, scope, type, origin, start, line, column);\r\n if ((parser.token & 2097152) !== 2097152)\r\n report(parser, 28, KeywordDescTable[parser.token & 255]);\r\n const left = parser.token === 69271571\r\n ? parseArrayExpressionOrPattern(parser, context, scope, 1, 0, 1, type, origin, start, line, column)\r\n : parseObjectLiteralOrPattern(parser, context, scope, 1, 0, 1, type, origin, start, line, column);\r\n if (parser.destructible & 16)\r\n report(parser, 48);\r\n if (parser.destructible & 32)\r\n report(parser, 48);\r\n return left;\r\n}\r\nfunction parseAndClassifyIdentifier(parser, context, scope, kind, origin, start, line, column) {\r\n const { tokenValue, token } = parser;\r\n if (context & 1024) {\r\n if ((token & 537079808) === 537079808) {\r\n report(parser, 116);\r\n }\r\n else if ((token & 36864) === 36864) {\r\n report(parser, 115);\r\n }\r\n }\r\n if ((token & 20480) === 20480) {\r\n report(parser, 100);\r\n }\r\n if (context & (2048 | 2097152) && token === 241773) {\r\n report(parser, 30);\r\n }\r\n if (token === 241739) {\r\n if (kind & (8 | 16))\r\n report(parser, 98);\r\n }\r\n if (context & (4194304 | 2048) && token === 209008) {\r\n report(parser, 96);\r\n }\r\n nextToken(parser, context);\r\n if (scope)\r\n addVarOrBlock(parser, context, scope, tokenValue, kind, origin);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'Identifier',\r\n name: tokenValue\r\n });\r\n}\r\nfunction parseJSXRootElementOrFragment(parser, context, inJSXChild, start, line, column) {\r\n nextToken(parser, context);\r\n if (parser.token === 8456259) {\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXFragment',\r\n openingFragment: parseOpeningFragment(parser, context, start, line, column),\r\n children: parseJSXChildren(parser, context),\r\n closingFragment: parseJSXClosingFragment(parser, context, inJSXChild, parser.tokenPos, parser.linePos, parser.colPos)\r\n });\r\n }\r\n let closingElement = null;\r\n let children = [];\r\n const openingElement = parseJSXOpeningFragmentOrSelfCloseElement(parser, context, inJSXChild, start, line, column);\r\n if (!openingElement.selfClosing) {\r\n children = parseJSXChildren(parser, context);\r\n closingElement = parseJSXClosingElement(parser, context, inJSXChild, parser.tokenPos, parser.linePos, parser.colPos);\r\n const close = isEqualTagName(closingElement.name);\r\n if (isEqualTagName(openingElement.name) !== close)\r\n report(parser, 150, close);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXElement',\r\n children,\r\n openingElement,\r\n closingElement\r\n });\r\n}\r\nfunction parseOpeningFragment(parser, context, start, line, column) {\r\n scanJSXToken(parser, context);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXOpeningFragment'\r\n });\r\n}\r\nfunction parseJSXClosingElement(parser, context, inJSXChild, start, line, column) {\r\n consume(parser, context, 25);\r\n const name = parseJSXElementName(parser, context, parser.tokenPos, parser.linePos, parser.colPos);\r\n if (inJSXChild) {\r\n consume(parser, context, 8456259);\r\n }\r\n else {\r\n parser.token = scanJSXToken(parser, context);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXClosingElement',\r\n name\r\n });\r\n}\r\nfunction parseJSXClosingFragment(parser, context, inJSXChild, start, line, column) {\r\n consume(parser, context, 25);\r\n if (inJSXChild) {\r\n consume(parser, context, 8456259);\r\n }\r\n else {\r\n consume(parser, context, 8456259);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXClosingFragment'\r\n });\r\n}\r\nfunction parseJSXChildren(parser, context) {\r\n const children = [];\r\n while (parser.token !== 25) {\r\n parser.index = parser.tokenPos = parser.startPos;\r\n parser.column = parser.colPos = parser.startColumn;\r\n parser.line = parser.linePos = parser.startLine;\r\n scanJSXToken(parser, context);\r\n children.push(parseJSXChild(parser, context, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n return children;\r\n}\r\nfunction parseJSXChild(parser, context, start, line, column) {\r\n if (parser.token === 138)\r\n return parseJSXText(parser, context, start, line, column);\r\n if (parser.token === 2162700)\r\n return parseJSXExpressionContainer(parser, context, 0, 0, start, line, column);\r\n if (parser.token === 8456258)\r\n return parseJSXRootElementOrFragment(parser, context, 0, start, line, column);\r\n report(parser, 0);\r\n}\r\nfunction parseJSXText(parser, context, start, line, column) {\r\n scanJSXToken(parser, context);\r\n const node = {\r\n type: 'JSXText',\r\n value: parser.tokenValue\r\n };\r\n if (context & 512) {\r\n node.raw = parser.tokenRaw;\r\n }\r\n return finishNode(parser, context, start, line, column, node);\r\n}\r\nfunction parseJSXOpeningFragmentOrSelfCloseElement(parser, context, inJSXChild, start, line, column) {\r\n if ((parser.token & 143360) !== 143360 && (parser.token & 4096) !== 4096)\r\n report(parser, 0);\r\n const tagName = parseJSXElementName(parser, context, parser.tokenPos, parser.linePos, parser.colPos);\r\n const attributes = parseJSXAttributes(parser, context);\r\n const selfClosing = parser.token === 8457016;\r\n if (parser.token === 8456259) {\r\n scanJSXToken(parser, context);\r\n }\r\n else {\r\n consume(parser, context, 8457016);\r\n if (inJSXChild) {\r\n consume(parser, context, 8456259);\r\n }\r\n else {\r\n scanJSXToken(parser, context);\r\n }\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXOpeningElement',\r\n name: tagName,\r\n attributes,\r\n selfClosing\r\n });\r\n}\r\nfunction parseJSXElementName(parser, context, start, line, column) {\r\n scanJSXIdentifier(parser);\r\n let key = parseJSXIdentifier(parser, context, start, line, column);\r\n if (parser.token === 21)\r\n return parseJSXNamespacedName(parser, context, key, start, line, column);\r\n while (consumeOpt(parser, context, 67108877)) {\r\n scanJSXIdentifier(parser);\r\n key = parseJSXMemberExpression(parser, context, key, start, line, column);\r\n }\r\n return key;\r\n}\r\nfunction parseJSXMemberExpression(parser, context, object, start, line, column) {\r\n const property = parseJSXIdentifier(parser, context, parser.tokenPos, parser.linePos, parser.colPos);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXMemberExpression',\r\n object,\r\n property\r\n });\r\n}\r\nfunction parseJSXAttributes(parser, context) {\r\n const attributes = [];\r\n while (parser.token !== 8457016 && parser.token !== 8456259 && parser.token !== 1048576) {\r\n attributes.push(parseJsxAttribute(parser, context, parser.tokenPos, parser.linePos, parser.colPos));\r\n }\r\n return attributes;\r\n}\r\nfunction parseJSXSpreadAttribute(parser, context, start, line, column) {\r\n nextToken(parser, context);\r\n consume(parser, context, 14);\r\n const expression = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context, 1074790415);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXSpreadAttribute',\r\n argument: expression\r\n });\r\n}\r\nfunction parseJsxAttribute(parser, context, start, line, column) {\r\n if (parser.token === 2162700)\r\n return parseJSXSpreadAttribute(parser, context, start, line, column);\r\n scanJSXIdentifier(parser);\r\n let value = null;\r\n let name = parseJSXIdentifier(parser, context, start, line, column);\r\n if (parser.token === 21) {\r\n name = parseJSXNamespacedName(parser, context, name, start, line, column);\r\n }\r\n if (parser.token === 1077936157) {\r\n const token = scanJSXAttributeValue(parser, context);\r\n const { tokenPos, linePos, colPos } = parser;\r\n switch (token) {\r\n case 134283267:\r\n value = parseLiteral(parser, context);\r\n break;\r\n case 8456258:\r\n value = parseJSXRootElementOrFragment(parser, context, 1, tokenPos, linePos, colPos);\r\n break;\r\n case 2162700:\r\n value = parseJSXExpressionContainer(parser, context, 1, 1, tokenPos, linePos, colPos);\r\n break;\r\n default:\r\n report(parser, 149);\r\n }\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXAttribute',\r\n value,\r\n name\r\n });\r\n}\r\nfunction parseJSXNamespacedName(parser, context, namespace, start, line, column) {\r\n consume(parser, context, 21);\r\n const name = parseJSXIdentifier(parser, context, parser.tokenPos, parser.linePos, parser.colPos);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXNamespacedName',\r\n namespace,\r\n name\r\n });\r\n}\r\nfunction parseJSXExpressionContainer(parser, context, inJSXChild, isAttr, start, line, column) {\r\n nextToken(parser, context | 32768);\r\n const { tokenPos, linePos, colPos } = parser;\r\n if (parser.token === 14)\r\n return parseJSXSpreadChild(parser, context, tokenPos, linePos, colPos);\r\n let expression = null;\r\n if (parser.token === 1074790415) {\r\n if (isAttr)\r\n report(parser, 152);\r\n expression = parseJSXEmptyExpression(parser, context, parser.startPos, parser.startLine, parser.startColumn);\r\n }\r\n else {\r\n expression = parseExpression(parser, context, 1, 0, 0, tokenPos, linePos, colPos);\r\n }\r\n if (inJSXChild) {\r\n consume(parser, context, 1074790415);\r\n }\r\n else {\r\n scanJSXToken(parser, context);\r\n }\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXExpressionContainer',\r\n expression\r\n });\r\n}\r\nfunction parseJSXSpreadChild(parser, context, start, line, column) {\r\n consume(parser, context, 14);\r\n const expression = parseExpression(parser, context, 1, 0, 0, parser.tokenPos, parser.linePos, parser.colPos);\r\n consume(parser, context, 1074790415);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXSpreadChild',\r\n expression\r\n });\r\n}\r\nfunction parseJSXEmptyExpression(parser, context, start, line, column) {\r\n parser.startPos = parser.tokenPos;\r\n parser.startLine = parser.linePos;\r\n parser.startColumn = parser.colPos;\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXEmptyExpression'\r\n });\r\n}\r\nfunction parseJSXIdentifier(parser, context, start, line, column) {\r\n const { tokenValue } = parser;\r\n nextToken(parser, context);\r\n return finishNode(parser, context, start, line, column, {\r\n type: 'JSXIdentifier',\r\n name: tokenValue\r\n });\r\n}\n\nvar estree = /*#__PURE__*/Object.freeze({\n __proto__: null\n});\n\nvar version$1 = \"4.3.3\";\n\nconst version = version$1;\r\nfunction parseScript(source, options) {\r\n return parseSource(source, options, 0);\r\n}\r\nfunction parseModule(source, options) {\r\n return parseSource(source, options, 1024 | 2048);\r\n}\r\nfunction parse(source, options) {\r\n return parseSource(source, options, 0);\r\n}\n\nexport { estree as ESTree, parse, parseModule, parseScript, version };\n","import { parseScript } from 'meriyah';\n// import { parse } from 'acorn-hammerhead';\nimport { generate } from 'esotope-hammerhead';\nimport EventEmitter from 'events';\n\nclass JS extends EventEmitter {\n constructor() {\n super();\n /*\n this.parseOptions = { \n allowReturnOutsideFunction: true, \n allowImportExportEverywhere: true, \n ecmaVersion: 2021, \n };\n */\n this.parseOptions = {\n ranges: true,\n module: true,\n globalReturn: true,\n };\n this.generationOptions = {\n format: {\n quotes: 'double',\n escapeless: true,\n compact: true,\n },\n };\n this.parse = parseScript /*parse*/;\n this.generate = generate;\n }\n rewrite(str, data = {}) {\n return this.recast(str, data, 'rewrite');\n }\n source(str, data = {}) {\n return this.recast(str, data, 'source');\n }\n recast(str, data = {}, type = '') {\n try {\n const output = [];\n const ast = this.parse(str, this.parseOptions);\n const meta = {\n data,\n changes: [],\n input: str,\n ast,\n get slice() {\n return slice;\n },\n };\n let slice = 0;\n\n this.iterate(ast, (node, parent = null) => {\n if (parent && parent.inTransformer) node.isTransformer = true;\n node.parent = parent;\n\n this.emit(node.type, node, meta, type);\n });\n\n meta.changes.sort((a, b) => a.start - b.start || a.end - b.end);\n\n for (const change of meta.changes) {\n if ('start' in change && typeof change.start === 'number')\n output.push(str.slice(slice, change.start));\n if (change.node)\n output.push(\n typeof change.node === 'string'\n ? change.node\n : generate(change.node, this.generationOptions)\n );\n if ('end' in change && typeof change.end === 'number')\n slice = change.end;\n }\n output.push(str.slice(slice));\n return output.join('');\n } catch (e) {\n return str;\n }\n }\n iterate(ast, handler) {\n if (typeof ast != 'object' || !handler) return;\n walk(ast, null, handler);\n function walk(node, parent, handler) {\n if (typeof node != 'object' || !handler) return;\n handler(node, parent, handler);\n for (const child in node) {\n if (child === 'parent') continue;\n if (Array.isArray(node[child])) {\n node[child].forEach((entry) => {\n if (entry) walk(entry, node, handler);\n });\n } else {\n if (node[child]) walk(node[child], node, handler);\n }\n }\n if (typeof node.iterateEnd === 'function') node.iterateEnd();\n }\n }\n}\n\nexport default JS;\n","// -------------------------------------------------------------\n// WARNING: this file is used by both the client and the server.\n// Do not use any browser or node-specific API!\n// -------------------------------------------------------------\nexport const xor = {\n encode(str) {\n if (!str) return str;\n return encodeURIComponent(\n str\n .toString()\n .split('')\n .map((char, ind) =>\n ind % 2 ? String.fromCharCode(char.charCodeAt() ^ 2) : char\n )\n .join('')\n );\n },\n decode(str) {\n if (!str) return str;\n let [input, ...search] = str.split('?');\n\n return (\n decodeURIComponent(input)\n .split('')\n .map((char, ind) =>\n ind % 2 ? String.fromCharCode(char.charCodeAt(0) ^ 2) : char\n )\n .join('') + (search.length ? '?' + search.join('?') : '')\n );\n },\n};\n\nexport const plain = {\n encode(str) {\n if (!str) return str;\n return encodeURIComponent(str);\n },\n decode(str) {\n if (!str) return str;\n return decodeURIComponent(str);\n },\n};\n\nexport const base64 = {\n encode(str) {\n if (!str) return str;\n str = str.toString();\n const b64chs = Array.from(\n 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='\n );\n let u32;\n let c0;\n let c1;\n let c2;\n let asc = '';\n let pad = str.length % 3;\n\n for (let i = 0; i < str.length; ) {\n if (\n (c0 = str.charCodeAt(i++)) > 255 ||\n (c1 = str.charCodeAt(i++)) > 255 ||\n (c2 = str.charCodeAt(i++)) > 255\n )\n throw new TypeError('invalid character found');\n u32 = (c0 << 16) | (c1 << 8) | c2;\n asc +=\n b64chs[(u32 >> 18) & 63] +\n b64chs[(u32 >> 12) & 63] +\n b64chs[(u32 >> 6) & 63] +\n b64chs[u32 & 63];\n }\n\n return encodeURIComponent(\n pad ? asc.slice(0, pad - 3) + '==='.substr(pad) : asc\n );\n },\n decode(str) {\n if (!str) return str;\n str = decodeURIComponent(str.toString());\n const b64tab = {\n 0: 52,\n 1: 53,\n 2: 54,\n 3: 55,\n 4: 56,\n 5: 57,\n 6: 58,\n 7: 59,\n 8: 60,\n 9: 61,\n A: 0,\n B: 1,\n C: 2,\n D: 3,\n E: 4,\n F: 5,\n G: 6,\n H: 7,\n I: 8,\n J: 9,\n K: 10,\n L: 11,\n M: 12,\n N: 13,\n O: 14,\n P: 15,\n Q: 16,\n R: 17,\n S: 18,\n T: 19,\n U: 20,\n V: 21,\n W: 22,\n X: 23,\n Y: 24,\n Z: 25,\n a: 26,\n b: 27,\n c: 28,\n d: 29,\n e: 30,\n f: 31,\n g: 32,\n h: 33,\n i: 34,\n j: 35,\n k: 36,\n l: 37,\n m: 38,\n n: 39,\n o: 40,\n p: 41,\n q: 42,\n r: 43,\n s: 44,\n t: 45,\n u: 46,\n v: 47,\n w: 48,\n x: 49,\n y: 50,\n z: 51,\n '+': 62,\n '/': 63,\n '=': 64,\n };\n str = str.replace(/\\s+/g, '');\n str += '=='.slice(2 - (str.length & 3));\n let u24;\n let bin = '';\n let r1;\n let r2;\n\n for (let i = 0; i < str.length; ) {\n u24 =\n (b64tab[str.charAt(i++)] << 18) |\n (b64tab[str.charAt(i++)] << 12) |\n ((r1 = b64tab[str.charAt(i++)]) << 6) |\n (r2 = b64tab[str.charAt(i++)]);\n bin +=\n r1 === 64\n ? String.fromCharCode((u24 >> 16) & 255)\n : r2 === 64\n ? String.fromCharCode((u24 >> 16) & 255, (u24 >> 8) & 255)\n : String.fromCharCode(\n (u24 >> 16) & 255,\n (u24 >> 8) & 255,\n u24 & 255\n );\n }\n return bin;\n },\n};\n","import db from 'mime-db';\n\nconst EXTRACT_TYPE_REGEXP = /^\\s*([^;\\s]*)(?:;|\\s|$)/;\nconst TEXT_TYPE_REGEXP = /^text\\//i;\nconst extensions = Object.create(null);\nconst types = Object.create(null);\nconst charsets = { lookup: charset };\n\n// Populate the extensions/types maps\npopulateMaps(extensions, types);\n\n/**\n * Get the default charset for a MIME type.\n *\n * @param {string} type\n * @return {boolean|string}\n */\n\nfunction charset(type) {\n if (!type || typeof type !== 'string') {\n return false;\n }\n\n // TODO: use media-typer\n const match = EXTRACT_TYPE_REGEXP.exec(type);\n const mime = match && db[match[1].toLowerCase()];\n\n if (mime && mime.charset) {\n return mime.charset;\n }\n\n // default text/* to utf-8\n if (match && TEXT_TYPE_REGEXP.test(match[1])) {\n return 'UTF-8';\n }\n\n return false;\n}\n\n/**\n * Create a full Content-Type header given a MIME type or extension.\n *\n * @param {string} str\n * @return {boolean|string}\n */\n\nfunction contentType(str) {\n // TODO: should this even be in this module?\n if (!str || typeof str !== 'string') {\n return false;\n }\n\n let mime = str.indexOf('/') === -1 ? lookup(str) : str;\n\n if (!mime) {\n return false;\n }\n\n // TODO: use content-type or other module\n if (mime.indexOf('charset') === -1) {\n const detected = charset(mime);\n if (detected) mime += '; charset=' + detected.toLowerCase();\n }\n\n return mime;\n}\n\n/**\n * Get the default extension for a MIME type.\n *\n * @param {string} type\n * @return {boolean|string}\n */\n\nfunction extension(type) {\n if (!type || typeof type !== 'string') {\n return false;\n }\n\n // TODO: use media-typer\n const match = EXTRACT_TYPE_REGEXP.exec(type);\n\n // get extensions\n const exts = match && extensions[match[1].toLowerCase()];\n\n if (!exts || !exts.length) {\n return false;\n }\n\n return exts[0];\n}\n\n/**\n * Lookup the MIME type for a file path/extension.\n *\n * @param {string} path\n * @return {boolean|string}\n */\n\nfunction lookup(path) {\n if (!path || typeof path !== 'string') {\n return false;\n }\n\n // get the extension (\"ext\" or \".ext\" or full path)\n const extension = extname('x.' + path)\n .toLowerCase()\n .slice(1);\n\n if (!extension) {\n return false;\n }\n\n return types[extension] || false;\n}\n\n/**\n * Populate the extensions and types maps.\n * @private\n */\n\nfunction populateMaps(extensions, types) {\n // source preference (least -> most)\n const preference = ['nginx', 'apache', undefined, 'iana'];\n\n for (const type in db) {\n const mime = db[type];\n const exts = mime.extensions;\n\n if (!exts || !exts.length) {\n return;\n }\n\n // mime -> extensions\n extensions[type] = exts;\n\n // extension -> mime\n for (let i = 0; i < exts.length; i++) {\n const extension = exts[i];\n\n if (types[extension]) {\n const from = preference.indexOf(db[types[extension]].source);\n const to = preference.indexOf(mime.source);\n\n if (\n types[extension] !== 'application/octet-stream' &&\n (from > to ||\n (from === to &&\n types[extension].substr(0, 12) === 'application/'))\n ) {\n // skip the remapping\n continue;\n }\n }\n\n // set the extension -> mime\n types[extension] = type;\n }\n }\n}\n\nfunction extname(path = '') {\n if (!path.includes('.')) return '';\n const map = path.split('.');\n\n return '.' + map[map.length - 1];\n}\n\nexport { charset, charsets, contentType, extension, lookup };\n","// -------------------------------------------------------------\n// WARNING: this file is used by both the client and the server.\n// Do not use any browser or node-specific API!\n// -------------------------------------------------------------\nimport setCookie from 'set-cookie-parser';\n\nfunction validateCookie(cookie, meta, js = false) {\n if (cookie.httpOnly && !!js) return false;\n\n if (cookie.domain.startsWith('.')) {\n if (!meta.url.hostname.endsWith(cookie.domain.slice(1))) return false;\n return true;\n }\n\n if (cookie.domain !== meta.url.hostname) return false;\n if (cookie.secure && meta.url.protocol === 'http:') return false;\n if (!meta.url.pathname.startsWith(cookie.path)) return false;\n\n return true;\n}\n\nasync function db(openDB) {\n const db = await openDB('__op', 1, {\n upgrade(db) {\n const store = db.createObjectStore('cookies', {\n keyPath: 'id',\n });\n store.createIndex('path', 'path');\n },\n });\n db.transaction(['cookies'], 'readwrite').store.index('path');\n return db;\n}\n\nfunction serialize(cookies = [], meta, js) {\n let str = '';\n for (const cookie of cookies) {\n if (!validateCookie(cookie, meta, js)) continue;\n if (str.length) str += '; ';\n str += cookie.name;\n str += '=';\n str += cookie.value;\n }\n return str;\n}\n\nasync function getCookies(db) {\n const now = new Date();\n return (await db.getAll('cookies')).filter((cookie) => {\n let expired = false;\n if (cookie.set) {\n if (cookie.maxAge) {\n expired = cookie.set.getTime() + cookie.maxAge * 1e3 < now;\n } else if (cookie.expires) {\n expired = new Date(cookie.expires.toLocaleString()) < now;\n }\n }\n\n if (expired) {\n db.delete('cookies', cookie.id);\n return false;\n }\n\n return true;\n });\n}\n\nfunction setCookies(data, db, meta) {\n if (!db) return false;\n\n const cookies = setCookie(data, {\n decodeValues: false,\n });\n\n for (const cookie of cookies) {\n if (!cookie.domain) cookie.domain = '.' + meta.url.hostname;\n if (!cookie.path) cookie.path = '/';\n\n if (!cookie.domain.startsWith('.')) {\n cookie.domain = '.' + cookie.domain;\n }\n\n db.put('cookies', {\n ...cookie,\n id: `${cookie.domain}@${cookie.path}@${cookie.name}`,\n set: new Date(Date.now()),\n });\n }\n return true;\n}\n\nexport { validateCookie, getCookies, setCookies, db, serialize };\n","/**\n * @typedef {import('./index').default} Ultraviolet\n */\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nexport function attributes(ctx, meta = ctx.meta) {\n const { html, js, attributePrefix } = ctx;\n const origPrefix = attributePrefix + '-attr-';\n\n html.on('attr', (attr, type) => {\n if (\n attr.node.tagName === 'base' &&\n attr.name === 'href' &&\n attr.options.document\n ) {\n meta.base = new URL(attr.value, meta.url);\n }\n\n if (type === 'rewrite' && isUrl(attr.name, attr.tagName)) {\n attr.node.setAttribute(origPrefix + attr.name, attr.value);\n attr.value = ctx.rewriteUrl(attr.value, meta);\n }\n\n if (type === 'rewrite' && isSrcset(attr.name)) {\n attr.node.setAttribute(origPrefix + attr.name, attr.value);\n attr.value = html.wrapSrcset(attr.value, meta);\n }\n\n if (type === 'rewrite' && isHtml(attr.name)) {\n attr.node.setAttribute(origPrefix + attr.name, attr.value);\n attr.value = html.rewrite(attr.value, {\n ...meta,\n document: true,\n injectHead: attr.options.injectHead || [],\n });\n }\n\n if (type === 'rewrite' && isStyle(attr.name)) {\n attr.node.setAttribute(origPrefix + attr.name, attr.value);\n attr.value = ctx.rewriteCSS(attr.value, {\n context: 'declarationList',\n });\n }\n\n if (type === 'rewrite' && isForbidden(attr.name)) {\n attr.name = origPrefix + attr.name;\n }\n\n if (type === 'rewrite' && isEvent(attr.name)) {\n attr.node.setAttribute(origPrefix + attr.name, attr.value);\n attr.value = js.rewrite(attr.value, meta);\n }\n\n if (type === 'source' && attr.name.startsWith(origPrefix)) {\n if (attr.node.hasAttribute(attr.name.slice(origPrefix.length)))\n attr.node.removeAttribute(attr.name.slice(origPrefix.length));\n attr.name = attr.name.slice(origPrefix.length);\n }\n\n /*\n if (isHtml(attr.name)) {\n\n };\n\n if (isStyle(attr.name)) {\n\n };\n\n if (isSrcset(attr.name)) {\n\n };\n */\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nexport function text(ctx) {\n const { html, js, css } = ctx;\n\n html.on('text', (text, type) => {\n if (text.element.tagName === 'script') {\n text.value =\n type === 'rewrite'\n ? js.rewrite(text.value)\n : js.source(text.value);\n }\n\n if (text.element.tagName === 'style') {\n text.value =\n type === 'rewrite'\n ? css.rewrite(text.value)\n : css.source(text.value);\n }\n });\n return true;\n}\n\nexport function isUrl(name, tag) {\n return (\n (tag === 'object' && name === 'data') ||\n [\n 'src',\n 'href',\n 'ping',\n 'movie',\n 'action',\n 'poster',\n 'profile',\n 'background',\n ].indexOf(name) > -1\n );\n}\n\nexport function isEvent(name) {\n return (\n [\n 'onafterprint',\n 'onbeforeprint',\n 'onbeforeunload',\n 'onerror',\n 'onhashchange',\n 'onload',\n 'onmessage',\n 'onoffline',\n 'ononline',\n 'onpagehide',\n 'onpopstate',\n 'onstorage',\n 'onunload',\n 'onblur',\n 'onchange',\n 'oncontextmenu',\n 'onfocus',\n 'oninput',\n 'oninvalid',\n 'onreset',\n 'onsearch',\n 'onselect',\n 'onsubmit',\n 'onkeydown',\n 'onkeypress',\n 'onkeyup',\n 'onclick',\n 'ondblclick',\n 'onmousedown',\n 'onmousemove',\n 'onmouseout',\n 'onmouseover',\n 'onmouseup',\n 'onmousewheel',\n 'onwheel',\n 'ondrag',\n 'ondragend',\n 'ondragenter',\n 'ondragleave',\n 'ondragover',\n 'ondragstart',\n 'ondrop',\n 'onscroll',\n 'oncopy',\n 'oncut',\n 'onpaste',\n 'onabort',\n 'oncanplay',\n 'oncanplaythrough',\n 'oncuechange',\n 'ondurationchange',\n 'onemptied',\n 'onended',\n 'onerror',\n 'onloadeddata',\n 'onloadedmetadata',\n 'onloadstart',\n 'onpause',\n 'onplay',\n 'onplaying',\n 'onprogress',\n 'onratechange',\n 'onseeked',\n 'onseeking',\n 'onstalled',\n 'onsuspend',\n 'ontimeupdate',\n 'onvolumechange',\n 'onwaiting',\n ].indexOf(name) > -1\n );\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nexport function injectHead(ctx) {\n const { html } = ctx;\n html.on('element', (element, type) => {\n if (type !== 'rewrite') return false;\n if (element.tagName !== 'head') return false;\n if (!('injectHead' in element.options)) return false;\n\n element.childNodes.unshift(...element.options.injectHead);\n });\n}\n\nexport function createJsInject(\n bareURL = '',\n bareData = {},\n cookies = '',\n referrer = ''\n) {\n return (\n `self.__uv$bareData = ${JSON.stringify(bareData)};` +\n `self.__uv$cookies = ${JSON.stringify(cookies)};` +\n `self.__uv$referrer = ${JSON.stringify(referrer)};` +\n `self.__uv$bareURL = ${JSON.stringify(bareURL)}; `\n );\n}\n\nexport function createHtmlInject(\n handlerScript,\n bundleScript,\n clientScript,\n configScript,\n bareURL,\n bareData,\n cookies,\n referrer\n) {\n return [\n {\n tagName: 'script',\n nodeName: 'script',\n childNodes: [\n {\n nodeName: '#text',\n value: createJsInject(bareURL, bareData, cookies, referrer),\n },\n ],\n attrs: [\n {\n name: '__uv-script',\n value: '1',\n skip: true,\n },\n ],\n skip: true,\n },\n {\n tagName: 'script',\n nodeName: 'script',\n childNodes: [],\n attrs: [\n { name: 'src', value: bundleScript, skip: true },\n {\n name: '__uv-script',\n value: '1',\n skip: true,\n },\n ],\n },\n {\n tagName: 'script',\n nodeName: 'script',\n childNodes: [],\n attrs: [\n { name: 'src', value: clientScript, skip: true },\n {\n name: '__uv-script',\n value: '1',\n skip: true,\n },\n ],\n },\n {\n tagName: 'script',\n nodeName: 'script',\n childNodes: [],\n attrs: [\n { name: 'src', value: configScript, skip: true },\n {\n name: '__uv-script',\n value: '1',\n skip: true,\n },\n ],\n },\n {\n tagName: 'script',\n nodeName: 'script',\n childNodes: [],\n attrs: [\n { name: 'src', value: handlerScript, skip: true },\n {\n name: '__uv-script',\n value: '1',\n skip: true,\n },\n ],\n },\n ];\n}\n\nexport function isForbidden(name) {\n return (\n ['http-equiv', 'integrity', 'sandbox', 'nonce', 'crossorigin'].indexOf(\n name\n ) > -1\n );\n}\n\nexport function isHtml(name) {\n return name === 'srcdoc';\n}\n\nexport function isStyle(name) {\n return name === 'style';\n}\n\nexport function isSrcset(name) {\n return name === 'srcset' || name === 'imagesrcset';\n}\n","import { Syntax } from 'esotope-hammerhead';\n\n/**\n * @typedef {import('./index').default} Ultraviolet\n */\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction property(ctx) {\n const { js } = ctx;\n js.on('MemberExpression', (node, data, type) => {\n if (node.object.type === 'Super') return false;\n\n if (type === 'rewrite' && computedProperty(node)) {\n data.changes.push({\n node: '__uv.$wrap((',\n start: node.property.start,\n end: node.property.start,\n });\n node.iterateEnd = function () {\n data.changes.push({\n node: '))',\n start: node.property.end,\n end: node.property.end,\n });\n };\n }\n\n if (\n (!node.computed &&\n node.property.name === 'location' &&\n type === 'rewrite') ||\n (node.property.name === '__uv$location' && type === 'source')\n ) {\n data.changes.push({\n start: node.property.start,\n end: node.property.end,\n node:\n type === 'rewrite'\n ? '__uv$setSource(__uv).__uv$location'\n : 'location',\n });\n }\n\n if (\n (!node.computed &&\n node.property.name === 'top' &&\n type === 'rewrite') ||\n (node.property.name === '__uv$top' && type === 'source')\n ) {\n data.changes.push({\n start: node.property.start,\n end: node.property.end,\n node:\n type === 'rewrite'\n ? '__uv$setSource(__uv).__uv$top'\n : 'top',\n });\n }\n\n if (\n (!node.computed &&\n node.property.name === 'parent' &&\n type === 'rewrite') ||\n (node.property.name === '__uv$parent' && type === 'source')\n ) {\n data.changes.push({\n start: node.property.start,\n end: node.property.end,\n node:\n type === 'rewrite'\n ? '__uv$setSource(__uv).__uv$parent'\n : 'parent',\n });\n }\n\n if (\n !node.computed &&\n node.property.name === 'postMessage' &&\n type === 'rewrite'\n ) {\n data.changes.push({\n start: node.property.start,\n end: node.property.end,\n node: '__uv$setSource(__uv).postMessage',\n });\n }\n\n if (\n (!node.computed &&\n node.property.name === 'eval' &&\n type === 'rewrite') ||\n (node.property.name === '__uv$eval' && type === 'source')\n ) {\n data.changes.push({\n start: node.property.start,\n end: node.property.end,\n node:\n type === 'rewrite'\n ? '__uv$setSource(__uv).__uv$eval'\n : 'eval',\n });\n }\n\n if (\n !node.computed &&\n node.property.name === '__uv$setSource' &&\n type === 'source' &&\n node.parent.type === Syntax.CallExpression\n ) {\n const { parent, property } = node;\n data.changes.push({\n start: property.start - 1,\n end: parent.end,\n });\n\n node.iterateEnd = function () {\n data.changes.push({\n start: property.start,\n end: parent.end,\n });\n };\n }\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction identifier(ctx) {\n const { js } = ctx;\n js.on('Identifier', (node, data, type) => {\n if (type !== 'rewrite') return false;\n const { parent } = node;\n if (!['location', 'eval', 'parent', 'top'].includes(node.name))\n return false;\n if (parent.type === Syntax.VariableDeclarator && parent.id === node)\n return false;\n if (\n (parent.type === Syntax.AssignmentExpression ||\n parent.type === Syntax.AssignmentPattern) &&\n parent.left === node\n )\n return false;\n if (\n (parent.type === Syntax.FunctionExpression ||\n parent.type === Syntax.FunctionDeclaration) &&\n parent.id === node\n )\n return false;\n if (\n parent.type === Syntax.MemberExpression &&\n parent.property === node &&\n !parent.computed\n )\n return false;\n if (\n node.name === 'eval' &&\n parent.type === Syntax.CallExpression &&\n parent.callee === node\n )\n return false;\n if (parent.type === Syntax.Property && parent.key === node)\n return false;\n if (\n parent.type === Syntax.Property &&\n parent.value === node &&\n parent.shorthand\n )\n return false;\n if (\n parent.type === Syntax.UpdateExpression &&\n (parent.operator === '++' || parent.operator === '--')\n )\n return false;\n if (\n (parent.type === Syntax.FunctionExpression ||\n parent.type === Syntax.FunctionDeclaration ||\n parent.type === Syntax.ArrowFunctionExpression) &&\n parent.params.indexOf(node) !== -1\n )\n return false;\n if (parent.type === Syntax.MethodDefinition) return false;\n if (parent.type === Syntax.ClassDeclaration) return false;\n if (parent.type === Syntax.RestElement) return false;\n if (parent.type === Syntax.ExportSpecifier) return false;\n if (parent.type === Syntax.ImportSpecifier) return false;\n\n data.changes.push({\n start: node.start,\n end: node.end,\n node: '__uv.$get(' + node.name + ')',\n });\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction wrapEval(ctx) {\n const { js } = ctx;\n js.on('CallExpression', (node, data, type) => {\n if (type !== 'rewrite') return false;\n if (!node.arguments.length) return false;\n if (node.callee.type !== 'Identifier') return false;\n if (node.callee.name !== 'eval') return false;\n\n const [script] = node.arguments;\n\n data.changes.push({\n node: '__uv.js.rewrite(',\n start: script.start,\n end: script.start,\n });\n node.iterateEnd = function () {\n data.changes.push({\n node: ')',\n start: script.end,\n end: script.end,\n });\n };\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction importDeclaration(ctx) {\n const { js } = ctx;\n js.on(Syntax.Literal, (node, data, type) => {\n if (\n !(\n (node.parent.type === Syntax.ImportDeclaration ||\n node.parent.type === Syntax.ExportAllDeclaration ||\n node.parent.type === Syntax.ExportNamedDeclaration) &&\n node.parent.source === node\n )\n )\n return false;\n\n data.changes.push({\n start: node.start + 1,\n end: node.end - 1,\n node:\n type === 'rewrite'\n ? ctx.rewriteUrl(node.value)\n : ctx.sourceUrl(node.value),\n });\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction dynamicImport(ctx) {\n const { js } = ctx;\n js.on(Syntax.ImportExpression, (node, data, type) => {\n if (type !== 'rewrite') return false;\n data.changes.push({\n // pass script URL to dynamicImport\n // import() is always relative to script URL\n node: `__uv.rewriteImport(${JSON.stringify(ctx.meta.url)},`,\n start: node.source.start,\n end: node.source.start,\n });\n node.iterateEnd = function () {\n data.changes.push({\n node: ')',\n start: node.source.end,\n end: node.source.end,\n });\n };\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction unwrap(ctx) {\n const { js } = ctx;\n js.on('CallExpression', (node, data, type) => {\n if (type !== 'source') return false;\n if (!isWrapped(node.callee)) return false;\n\n switch (node.callee.property.name) {\n case '$wrap':\n {\n if (\n !node.arguments ||\n node.parent.type !== Syntax.MemberExpression ||\n node.parent.property !== node\n )\n return false;\n const [property] = node.arguments;\n\n data.changes.push({\n start: node.callee.start,\n end: property.start,\n });\n\n node.iterateEnd = function () {\n data.changes.push({\n start: node.end - 2,\n end: node.end,\n });\n };\n }\n break;\n case '$get':\n case 'rewriteUrl':\n {\n const [arg] = node.arguments;\n\n data.changes.push({\n start: node.callee.start,\n end: arg.start,\n });\n\n node.iterateEnd = function () {\n data.changes.push({\n start: node.end - 1,\n end: node.end,\n });\n };\n }\n break;\n case 'rewrite':\n {\n const [script] = node.arguments;\n data.changes.push({\n start: node.callee.start,\n end: script.start,\n });\n node.iterateEnd = function () {\n data.changes.push({\n start: node.end - 1,\n end: node.end,\n });\n };\n }\n break;\n }\n });\n}\n\nfunction isWrapped(node) {\n if (node.type !== Syntax.MemberExpression) return false;\n if (node.property.name === 'rewrite' && isWrapped(node.object)) return true;\n if (node.object.type !== Syntax.Identifier || node.object.name !== '__uv')\n return false;\n if (!['js', '$get', '$wrap', 'rewriteUrl'].includes(node.property.name))\n return false;\n return true;\n}\n\nfunction computedProperty(parent) {\n if (!parent.computed) return false;\n const { property: node } = parent;\n if (node.type === 'Literal' && !['location', 'top', 'parent']) return false;\n return true;\n}\n\nexport {\n property,\n wrapEval,\n dynamicImport,\n importDeclaration,\n identifier,\n unwrap,\n};\n","const instanceOfAny = (object, constructors) => constructors.some((c) => object instanceof c);\n\nlet idbProxyableTypes;\nlet cursorAdvanceMethods;\n// This is a function to prevent it throwing up in node environments.\nfunction getIdbProxyableTypes() {\n return (idbProxyableTypes ||\n (idbProxyableTypes = [\n IDBDatabase,\n IDBObjectStore,\n IDBIndex,\n IDBCursor,\n IDBTransaction,\n ]));\n}\n// This is a function to prevent it throwing up in node environments.\nfunction getCursorAdvanceMethods() {\n return (cursorAdvanceMethods ||\n (cursorAdvanceMethods = [\n IDBCursor.prototype.advance,\n IDBCursor.prototype.continue,\n IDBCursor.prototype.continuePrimaryKey,\n ]));\n}\nconst cursorRequestMap = new WeakMap();\nconst transactionDoneMap = new WeakMap();\nconst transactionStoreNamesMap = new WeakMap();\nconst transformCache = new WeakMap();\nconst reverseTransformCache = new WeakMap();\nfunction promisifyRequest(request) {\n const promise = new Promise((resolve, reject) => {\n const unlisten = () => {\n request.removeEventListener('success', success);\n request.removeEventListener('error', error);\n };\n const success = () => {\n resolve(wrap(request.result));\n unlisten();\n };\n const error = () => {\n reject(request.error);\n unlisten();\n };\n request.addEventListener('success', success);\n request.addEventListener('error', error);\n });\n promise\n .then((value) => {\n // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval\n // (see wrapFunction).\n if (value instanceof IDBCursor) {\n cursorRequestMap.set(value, request);\n }\n // Catching to avoid \"Uncaught Promise exceptions\"\n })\n .catch(() => { });\n // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This\n // is because we create many promises from a single IDBRequest.\n reverseTransformCache.set(promise, request);\n return promise;\n}\nfunction cacheDonePromiseForTransaction(tx) {\n // Early bail if we've already created a done promise for this transaction.\n if (transactionDoneMap.has(tx))\n return;\n const done = new Promise((resolve, reject) => {\n const unlisten = () => {\n tx.removeEventListener('complete', complete);\n tx.removeEventListener('error', error);\n tx.removeEventListener('abort', error);\n };\n const complete = () => {\n resolve();\n unlisten();\n };\n const error = () => {\n reject(tx.error || new DOMException('AbortError', 'AbortError'));\n unlisten();\n };\n tx.addEventListener('complete', complete);\n tx.addEventListener('error', error);\n tx.addEventListener('abort', error);\n });\n // Cache it for later retrieval.\n transactionDoneMap.set(tx, done);\n}\nlet idbProxyTraps = {\n get(target, prop, receiver) {\n if (target instanceof IDBTransaction) {\n // Special handling for transaction.done.\n if (prop === 'done')\n return transactionDoneMap.get(target);\n // Polyfill for objectStoreNames because of Edge.\n if (prop === 'objectStoreNames') {\n return target.objectStoreNames || transactionStoreNamesMap.get(target);\n }\n // Make tx.store return the only store in the transaction, or undefined if there are many.\n if (prop === 'store') {\n return receiver.objectStoreNames[1]\n ? undefined\n : receiver.objectStore(receiver.objectStoreNames[0]);\n }\n }\n // Else transform whatever we get back.\n return wrap(target[prop]);\n },\n set(target, prop, value) {\n target[prop] = value;\n return true;\n },\n has(target, prop) {\n if (target instanceof IDBTransaction &&\n (prop === 'done' || prop === 'store')) {\n return true;\n }\n return prop in target;\n },\n};\nfunction replaceTraps(callback) {\n idbProxyTraps = callback(idbProxyTraps);\n}\nfunction wrapFunction(func) {\n // Due to expected object equality (which is enforced by the caching in `wrap`), we\n // only create one new func per func.\n // Edge doesn't support objectStoreNames (booo), so we polyfill it here.\n if (func === IDBDatabase.prototype.transaction &&\n !('objectStoreNames' in IDBTransaction.prototype)) {\n return function (storeNames, ...args) {\n const tx = func.call(unwrap(this), storeNames, ...args);\n transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);\n return wrap(tx);\n };\n }\n // Cursor methods are special, as the behaviour is a little more different to standard IDB. In\n // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the\n // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense\n // with real promises, so each advance methods returns a new promise for the cursor object, or\n // undefined if the end of the cursor has been reached.\n if (getCursorAdvanceMethods().includes(func)) {\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n func.apply(unwrap(this), args);\n return wrap(cursorRequestMap.get(this));\n };\n }\n return function (...args) {\n // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use\n // the original object.\n return wrap(func.apply(unwrap(this), args));\n };\n}\nfunction transformCachableValue(value) {\n if (typeof value === 'function')\n return wrapFunction(value);\n // This doesn't return, it just creates a 'done' promise for the transaction,\n // which is later returned for transaction.done (see idbObjectHandler).\n if (value instanceof IDBTransaction)\n cacheDonePromiseForTransaction(value);\n if (instanceOfAny(value, getIdbProxyableTypes()))\n return new Proxy(value, idbProxyTraps);\n // Return the same value back if we're not going to transform it.\n return value;\n}\nfunction wrap(value) {\n // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because\n // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.\n if (value instanceof IDBRequest)\n return promisifyRequest(value);\n // If we've already transformed this value before, reuse the transformed value.\n // This is faster, but it also provides object equality.\n if (transformCache.has(value))\n return transformCache.get(value);\n const newValue = transformCachableValue(value);\n // Not all types are transformed.\n // These may be primitive types, so they can't be WeakMap keys.\n if (newValue !== value) {\n transformCache.set(value, newValue);\n reverseTransformCache.set(newValue, value);\n }\n return newValue;\n}\nconst unwrap = (value) => reverseTransformCache.get(value);\n\nexport { reverseTransformCache as a, instanceOfAny as i, replaceTraps as r, unwrap as u, wrap as w };\n","import { w as wrap, r as replaceTraps } from './wrap-idb-value.js';\nexport { u as unwrap, w as wrap } from './wrap-idb-value.js';\n\n/**\n * Open a database.\n *\n * @param name Name of the database.\n * @param version Schema version.\n * @param callbacks Additional callbacks.\n */\nfunction openDB(name, version, { blocked, upgrade, blocking, terminated } = {}) {\n const request = indexedDB.open(name, version);\n const openPromise = wrap(request);\n if (upgrade) {\n request.addEventListener('upgradeneeded', (event) => {\n upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction), event);\n });\n }\n if (blocked) {\n request.addEventListener('blocked', (event) => blocked(\n // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405\n event.oldVersion, event.newVersion, event));\n }\n openPromise\n .then((db) => {\n if (terminated)\n db.addEventListener('close', () => terminated());\n if (blocking) {\n db.addEventListener('versionchange', (event) => blocking(event.oldVersion, event.newVersion, event));\n }\n })\n .catch(() => { });\n return openPromise;\n}\n/**\n * Delete a database.\n *\n * @param name Name of the database.\n */\nfunction deleteDB(name, { blocked } = {}) {\n const request = indexedDB.deleteDatabase(name);\n if (blocked) {\n request.addEventListener('blocked', (event) => blocked(\n // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405\n event.oldVersion, event));\n }\n return wrap(request).then(() => undefined);\n}\n\nconst readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];\nconst writeMethods = ['put', 'add', 'delete', 'clear'];\nconst cachedMethods = new Map();\nfunction getMethod(target, prop) {\n if (!(target instanceof IDBDatabase &&\n !(prop in target) &&\n typeof prop === 'string')) {\n return;\n }\n if (cachedMethods.get(prop))\n return cachedMethods.get(prop);\n const targetFuncName = prop.replace(/FromIndex$/, '');\n const useIndex = prop !== targetFuncName;\n const isWrite = writeMethods.includes(targetFuncName);\n if (\n // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.\n !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) ||\n !(isWrite || readMethods.includes(targetFuncName))) {\n return;\n }\n const method = async function (storeName, ...args) {\n // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(\n const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');\n let target = tx.store;\n if (useIndex)\n target = target.index(args.shift());\n // Must reject if op rejects.\n // If it's a write operation, must reject if tx.done rejects.\n // Must reject with op rejection first.\n // Must resolve with op value.\n // Must handle both promises (no unhandled rejections)\n return (await Promise.all([\n target[targetFuncName](...args),\n isWrite && tx.done,\n ]))[0];\n };\n cachedMethods.set(prop, method);\n return method;\n}\nreplaceTraps((oldTraps) => ({\n ...oldTraps,\n get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),\n has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop),\n}));\n\nexport { deleteDB, openDB };\n","// The user likely has overwritten all networking functions after importing bare-client\n// It is our responsibility to make sure components of Bare-Client are using native networking functions\n\n// These exports are provided to plugins by @rollup/plugin-inject\n\nexport const fetch = globalThis.fetch;\nexport const WebSocket = globalThis.WebSocket;\nexport const Request = globalThis.Request;\nexport const Response = globalThis.Response;\nexport const XMLHttpRequest = globalThis.XMLHttpRequest;\n","import type {\n\tBareBodyInit,\n\tBareCache,\n\tBareHeaders,\n\tBareHTTPProtocol,\n\tBareMethod,\n\tBareResponse,\n\tBareWebSocket,\n\tBareWSProtocol,\n} from './BareClient';\n\nexport const statusEmpty = [101, 204, 205, 304];\nexport const statusRedirect = [301, 302, 303, 307, 308];\n\nexport interface BareErrorBody {\n\tcode: string;\n\tid: string;\n\tmessage?: string;\n\tstack?: string;\n}\n\nexport class BareError extends Error {\n\tstatus: number;\n\tbody: BareErrorBody;\n\tconstructor(status: number, body: BareErrorBody) {\n\t\tsuper(body.message || body.code);\n\t\tthis.status = status;\n\t\tthis.body = body;\n\t}\n}\n\nexport interface GenericClient {\n\tconnect(\n\t\trequestHeaders: BareHeaders,\n\t\tprotocol: BareWSProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string\n\t): Promise<BareWebSocket>;\n\trequest(\n\t\tmethod: BareMethod,\n\t\trequestHeaders: BareHeaders,\n\t\tbody: BareBodyInit,\n\t\tprotocol: BareHTTPProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string,\n\t\tcache: BareCache | undefined,\n\t\tsignal: AbortSignal | undefined\n\t): Promise<BareResponse>;\n}\n\nexport default class Client {\n\tprotected base: URL;\n\t/**\n\t *\n\t * @param version Version provided by extension\n\t * @param server Bare Server URL provided by BareClient\n\t */\n\tconstructor(version: number, server: URL) {\n\t\tthis.base = new URL(`./v${version}/`, server);\n\t}\n}\n","const validChars =\n\t\"!#$%&'*+-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ^_`abcdefghijklmnopqrstuvwxyz|~\";\nconst reserveChar = '%';\n\nexport function validProtocol(protocol: string): boolean {\n\tfor (let i = 0; i < protocol.length; i++) {\n\t\tconst char = protocol[i];\n\n\t\tif (!validChars.includes(char)) {\n\t\t\treturn false;\n\t\t}\n\t}\n\n\treturn true;\n}\n\nexport function encodeProtocol(protocol: string): string {\n\tlet result = '';\n\n\tfor (let i = 0; i < protocol.length; i++) {\n\t\tconst char = protocol[i];\n\n\t\tif (validChars.includes(char) && char !== reserveChar) {\n\t\t\tresult += char;\n\t\t} else {\n\t\t\tconst code = char.charCodeAt(0);\n\t\t\tresult += reserveChar + code.toString(16).padStart(2, '0');\n\t\t}\n\t}\n\n\treturn result;\n}\n\nexport function decodeProtocol(protocol: string): string {\n\tlet result = '';\n\n\tfor (let i = 0; i < protocol.length; i++) {\n\t\tconst char = protocol[i];\n\n\t\tif (char === reserveChar) {\n\t\t\tconst code = parseInt(protocol.slice(i + 1, i + 3), 16);\n\t\t\tconst decoded = String.fromCharCode(code);\n\n\t\t\tresult += decoded;\n\t\t\ti += 2;\n\t\t} else {\n\t\t\tresult += char;\n\t\t}\n\t}\n\n\treturn result;\n}\n","/*\n * JavaScript MD5\n * Adopted from https://github.com/blueimp/JavaScript-MD5\n *\n * Copyright 2011, Sebastian Tschan\n * https://blueimp.net\n *\n * Licensed under the MIT license:\n * https://opensource.org/licenses/MIT\n *\n * Based on\n * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message\n * Digest Algorithm, as defined in RFC 1321.\n * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009\n * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet\n * Distributed under the BSD License\n * See http://pajhome.org.uk/crypt/md5 for more info.\n */\n\n/**\n * Add integers, wrapping at 2^32.\n * This uses 16-bit operations internally to work around bugs in interpreters.\n *\n * @param x First integer\n * @param y Second integer\n * @returns Sum\n */\nfunction safeAdd(x: number, y: number): number {\n\tconst lsw = (x & 0xffff) + (y & 0xffff);\n\tconst msw = (x >> 16) + (y >> 16) + (lsw >> 16);\n\treturn (msw << 16) | (lsw & 0xffff);\n}\n\n/**\n * Bitwise rotate a 32-bit number to the left.\n *\n * @param num 32-bit number\n * @param cnt Rotation count\n * @returns Rotated number\n */\nfunction bitRotateLeft(num: number, cnt: number): number {\n\treturn (num << cnt) | (num >>> (32 - cnt));\n}\n\n/**\n * Basic operation the algorithm uses.\n *\n * @param q q\n * @param a a\n * @param b b\n * @param x x\n * @param s s\n * @param t t\n * @returns Result\n */\nfunction md5cmn(\n\tq: number,\n\ta: number,\n\tb: number,\n\tx: number,\n\ts: number,\n\tt: number\n): number {\n\treturn safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);\n}\n/**\n * Basic operation the algorithm uses.\n *\n * @param a a\n * @param b b\n * @param c c\n * @param d d\n * @param x x\n * @param s s\n * @param t t\n * @returns Result\n */\nfunction md5ff(\n\ta: number,\n\tb: number,\n\tc: number,\n\td: number,\n\tx: number,\n\ts: number,\n\tt: number\n): number {\n\treturn md5cmn((b & c) | (~b & d), a, b, x, s, t);\n}\n/**\n * Basic operation the algorithm uses.\n *\n * @param a a\n * @param b b\n * @param c c\n * @param d d\n * @param x x\n * @param s s\n * @param t t\n * @returns Result\n */\nfunction md5gg(\n\ta: number,\n\tb: number,\n\tc: number,\n\td: number,\n\tx: number,\n\ts: number,\n\tt: number\n): number {\n\treturn md5cmn((b & d) | (c & ~d), a, b, x, s, t);\n}\n/**\n * Basic operation the algorithm uses.\n *\n * @param a a\n * @param b b\n * @param c c\n * @param d d\n * @param x x\n * @param s s\n * @param t t\n * @returns Result\n */\nfunction md5hh(\n\ta: number,\n\tb: number,\n\tc: number,\n\td: number,\n\tx: number,\n\ts: number,\n\tt: number\n): number {\n\treturn md5cmn(b ^ c ^ d, a, b, x, s, t);\n}\n/**\n * Basic operation the algorithm uses.\n *\n * @param a a\n * @param b b\n * @param c c\n * @param d d\n * @param x x\n * @param s s\n * @param t t\n * @returns Result\n */\nfunction md5ii(\n\ta: number,\n\tb: number,\n\tc: number,\n\td: number,\n\tx: number,\n\ts: number,\n\tt: number\n): number {\n\treturn md5cmn(c ^ (b | ~d), a, b, x, s, t);\n}\n\n/**\n * Calculate the MD5 of an array of little-endian words, and a bit length.\n *\n * @param x Array of little-endian words\n * @param len Bit length\n * @returns MD5 Array\n */\nfunction binlMD5(x: number[], len: number): number[] {\n\t/* append padding */\n\tx[len >> 5] |= 0x80 << len % 32;\n\tx[(((len + 64) >>> 9) << 4) + 14] = len;\n\n\tlet a = 1732584193;\n\tlet b = -271733879;\n\tlet c = -1732584194;\n\tlet d = 271733878;\n\n\tfor (let i = 0; i < x.length; i += 16) {\n\t\tconst olda = a;\n\t\tconst oldb = b;\n\t\tconst oldc = c;\n\t\tconst oldd = d;\n\n\t\ta = md5ff(a, b, c, d, x[i], 7, -680876936);\n\t\td = md5ff(d, a, b, c, x[i + 1], 12, -389564586);\n\t\tc = md5ff(c, d, a, b, x[i + 2], 17, 606105819);\n\t\tb = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);\n\t\ta = md5ff(a, b, c, d, x[i + 4], 7, -176418897);\n\t\td = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);\n\t\tc = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);\n\t\tb = md5ff(b, c, d, a, x[i + 7], 22, -45705983);\n\t\ta = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);\n\t\td = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);\n\t\tc = md5ff(c, d, a, b, x[i + 10], 17, -42063);\n\t\tb = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);\n\t\ta = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);\n\t\td = md5ff(d, a, b, c, x[i + 13], 12, -40341101);\n\t\tc = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);\n\t\tb = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);\n\n\t\ta = md5gg(a, b, c, d, x[i + 1], 5, -165796510);\n\t\td = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);\n\t\tc = md5gg(c, d, a, b, x[i + 11], 14, 643717713);\n\t\tb = md5gg(b, c, d, a, x[i], 20, -373897302);\n\t\ta = md5gg(a, b, c, d, x[i + 5], 5, -701558691);\n\t\td = md5gg(d, a, b, c, x[i + 10], 9, 38016083);\n\t\tc = md5gg(c, d, a, b, x[i + 15], 14, -660478335);\n\t\tb = md5gg(b, c, d, a, x[i + 4], 20, -405537848);\n\t\ta = md5gg(a, b, c, d, x[i + 9], 5, 568446438);\n\t\td = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);\n\t\tc = md5gg(c, d, a, b, x[i + 3], 14, -187363961);\n\t\tb = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);\n\t\ta = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);\n\t\td = md5gg(d, a, b, c, x[i + 2], 9, -51403784);\n\t\tc = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);\n\t\tb = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);\n\n\t\ta = md5hh(a, b, c, d, x[i + 5], 4, -378558);\n\t\td = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);\n\t\tc = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);\n\t\tb = md5hh(b, c, d, a, x[i + 14], 23, -35309556);\n\t\ta = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);\n\t\td = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);\n\t\tc = md5hh(c, d, a, b, x[i + 7], 16, -155497632);\n\t\tb = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);\n\t\ta = md5hh(a, b, c, d, x[i + 13], 4, 681279174);\n\t\td = md5hh(d, a, b, c, x[i], 11, -358537222);\n\t\tc = md5hh(c, d, a, b, x[i + 3], 16, -722521979);\n\t\tb = md5hh(b, c, d, a, x[i + 6], 23, 76029189);\n\t\ta = md5hh(a, b, c, d, x[i + 9], 4, -640364487);\n\t\td = md5hh(d, a, b, c, x[i + 12], 11, -421815835);\n\t\tc = md5hh(c, d, a, b, x[i + 15], 16, 530742520);\n\t\tb = md5hh(b, c, d, a, x[i + 2], 23, -995338651);\n\n\t\ta = md5ii(a, b, c, d, x[i], 6, -198630844);\n\t\td = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);\n\t\tc = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);\n\t\tb = md5ii(b, c, d, a, x[i + 5], 21, -57434055);\n\t\ta = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);\n\t\td = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);\n\t\tc = md5ii(c, d, a, b, x[i + 10], 15, -1051523);\n\t\tb = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);\n\t\ta = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);\n\t\td = md5ii(d, a, b, c, x[i + 15], 10, -30611744);\n\t\tc = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);\n\t\tb = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);\n\t\ta = md5ii(a, b, c, d, x[i + 4], 6, -145523070);\n\t\td = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);\n\t\tc = md5ii(c, d, a, b, x[i + 2], 15, 718787259);\n\t\tb = md5ii(b, c, d, a, x[i + 9], 21, -343485551);\n\n\t\ta = safeAdd(a, olda);\n\t\tb = safeAdd(b, oldb);\n\t\tc = safeAdd(c, oldc);\n\t\td = safeAdd(d, oldd);\n\t}\n\treturn [a, b, c, d];\n}\n\n/**\n * Convert an array of little-endian words to a string\n *\n * @param input MD5 Array\n * @returns MD5 string\n */\nfunction binl2rstr(input: number[]): string {\n\tlet output = '';\n\tconst length32 = input.length * 32;\n\tfor (let i = 0; i < length32; i += 8) {\n\t\toutput += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff);\n\t}\n\treturn output;\n}\n\n/**\n * Convert a raw string to an array of little-endian words\n * Characters >255 have their high-byte silently ignored.\n *\n * @param input Raw input string\n * @returns Array of little-endian words\n */\nfunction rstr2binl(input: string): number[] {\n\tconst output: number[] = [];\n\tconst outputLen = input.length >> 2;\n\tfor (let i = 0; i < outputLen; i += 1) {\n\t\toutput[i] = 0;\n\t}\n\tconst length8 = input.length * 8;\n\tfor (let i = 0; i < length8; i += 8) {\n\t\toutput[i >> 5]! |= (input.charCodeAt(i / 8) & 0xff) << i % 32;\n\t}\n\treturn <number[]>output;\n}\n\n/**\n * Calculate the MD5 of a raw string\n *\n * @param s Input string\n * @returns Raw MD5 string\n */\nfunction rstrMD5(s: string): string {\n\treturn binl2rstr(binlMD5(rstr2binl(s), s.length * 8));\n}\n\n/**\n * Calculates the HMAC-MD5 of a key and some data (raw strings)\n *\n * @param key HMAC key\n * @param data Raw input string\n * @returns Raw MD5 string\n */\nfunction rstrHMACMD5(key: string, data: string): string {\n\tlet bkey = rstr2binl(key);\n\tconst ipad: number[] = [];\n\tconst opad: number[] = [];\n\tif (bkey.length > 16) {\n\t\tbkey = binlMD5(bkey, key.length * 8);\n\t}\n\tfor (let i = 0; i < 16; i += 1) {\n\t\tipad[i] = bkey[i] ^ 0x36363636;\n\t\topad[i] = bkey[i] ^ 0x5c5c5c5c;\n\t}\n\tconst hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);\n\treturn binl2rstr(binlMD5(opad.concat(hash), 512 + 128));\n}\n\n/**\n * Convert a raw string to a hex string\n *\n * @param input Raw input string\n * @returns Hex encoded string\n */\nfunction rstr2hex(input: string): string {\n\tconst hexTab = '0123456789abcdef';\n\tlet output = '';\n\tfor (let i = 0; i < input.length; i += 1) {\n\t\tconst x = input.charCodeAt(i);\n\t\toutput += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f);\n\t}\n\treturn output;\n}\n\n/**\n * Encode a string as UTF-8\n *\n * @param input Input string\n * @returns UTF8 string\n */\nfunction str2rstrUTF8(input: string): string {\n\treturn unescape(encodeURIComponent(input));\n}\n\n/**\n * Encodes input string as raw MD5 string\n *\n * @param s Input string\n * @returns Raw MD5 string\n */\nfunction rawMD5(s: string): string {\n\treturn rstrMD5(str2rstrUTF8(s));\n}\n/**\n * Encodes input string as Hex encoded string\n *\n * @param s Input string\n * @returns Hex encoded string\n */\nfunction hexMD5(s: string): string {\n\treturn rstr2hex(rawMD5(s));\n}\n/**\n * Calculates the raw HMAC-MD5 for the given key and data\n *\n * @param k HMAC key\n * @param d Input string\n * @returns Raw MD5 string\n */\nfunction rawHMACMD5(k: string, d: string): string {\n\treturn rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d));\n}\n/**\n * Calculates the Hex encoded HMAC-MD5 for the given key and data\n *\n * @param k HMAC key\n * @param d Input string\n * @returns Raw MD5 string\n */\nfunction hexHMACMD5(k: string, d: string): string {\n\treturn rstr2hex(rawHMACMD5(k, d));\n}\n\n/**\n * Calculates MD5 value for a given string.\n * If a key is provided, calculates the HMAC-MD5 value.\n * Returns a Hex encoded string unless the raw argument is given.\n *\n * @param string Input string\n * @param key HMAC key\n * @param raw Raw output switch\n * @returns MD5 output\n */\nexport default function md5(\n\tstring: string,\n\tkey?: string,\n\traw?: boolean\n): string {\n\tif (!key) {\n\t\tif (!raw) {\n\t\t\treturn hexMD5(string);\n\t\t}\n\t\treturn rawMD5(string);\n\t}\n\tif (!raw) {\n\t\treturn hexHMACMD5(key, string);\n\t}\n\treturn rawHMACMD5(key, string);\n}\n","import { BareError } from './Client';\n\nconst MAX_HEADER_VALUE = 3072;\n\n/**\n *\n * Splits headers according to spec\n * @param headers\n * @returns Split headers\n */\nexport function splitHeaders(headers: Headers): Headers {\n\tconst output = new Headers(headers);\n\n\tif (headers.has('x-bare-headers')) {\n\t\tconst value = headers.get('x-bare-headers')!;\n\n\t\tif (value.length > MAX_HEADER_VALUE) {\n\t\t\toutput.delete('x-bare-headers');\n\n\t\t\tlet split = 0;\n\n\t\t\tfor (let i = 0; i < value.length; i += MAX_HEADER_VALUE) {\n\t\t\t\tconst part = value.slice(i, i + MAX_HEADER_VALUE);\n\n\t\t\t\tconst id = split++;\n\t\t\t\toutput.set(`x-bare-headers-${id}`, `;${part}`);\n\t\t\t}\n\t\t}\n\t}\n\n\treturn output;\n}\n\n/**\n * Joins headers according to spec\n * @param headers\n * @returns Joined headers\n */\nexport function joinHeaders(headers: Headers): Headers {\n\tconst output = new Headers(headers);\n\n\tconst prefix = 'x-bare-headers';\n\n\tif (headers.has(`${prefix}-0`)) {\n\t\tconst join: string[] = [];\n\n\t\tfor (const [header, value] of headers) {\n\t\t\tif (!header.startsWith(prefix)) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tif (!value.startsWith(';')) {\n\t\t\t\tthrow new BareError(400, {\n\t\t\t\t\tcode: 'INVALID_BARE_HEADER',\n\t\t\t\t\tid: `request.headers.${header}`,\n\t\t\t\t\tmessage: `Value didn't begin with semi-colon.`,\n\t\t\t\t});\n\t\t\t}\n\n\t\t\tconst id = parseInt(header.slice(prefix.length + 1));\n\n\t\t\tjoin[id] = value.slice(1);\n\n\t\t\toutput.delete(header);\n\t\t}\n\n\t\toutput.set(prefix, join.join(''));\n\t}\n\n\treturn output;\n}\n","import type { GenericClient } from './Client';\nimport { statusRedirect } from './Client';\nimport ClientV1 from './V1';\nimport ClientV2 from './V2';\nimport { validProtocol } from './encodeProtocol';\n\n// Implements the protocol for requesting bare data from a server\n// See ../Server/Send.mjs\n\nexport * from './Client';\n\nconst clientCtors: [string, { new (server: URL): GenericClient }][] = [\n\t['v2', ClientV2],\n\t['v1', ClientV1],\n];\n\nexport type BareMethod =\n\t| 'GET'\n\t| 'POST'\n\t| 'DELETE'\n\t| 'OPTIONS'\n\t| 'PUT'\n\t| 'PATCH'\n\t| 'UPDATE'\n\t| string;\n\nexport type BareCache =\n\t| 'default'\n\t| 'no-store'\n\t| 'reload'\n\t| 'no-cache'\n\t| 'force-cache'\n\t| 'only-if-cached'\n\t| string;\n\nexport interface XBare {\n\tstatus?: number;\n\tstatusText?: string;\n\theaders?: Headers;\n\trawHeaders?: BareHeaders;\n}\n\nexport type BareHTTPProtocol = 'blob:' | 'http:' | 'https:' | string;\nexport type BareWSProtocol = 'ws:' | 'wss:' | string;\n\nexport type urlLike = URL | string;\n\nexport const maxRedirects = 20;\n\nexport type BareHeaders = { [key: string]: string | string[] };\n\n/**\n * WebSocket with an additional property.\n */\nexport type BareWebSocket = WebSocket & { meta: Promise<XBare> };\n\n/**\n * A Response with additional properties.\n */\nexport type BareResponse = Response & {\n\trawResponse: Response;\n\trawHeaders: BareHeaders;\n};\n\n/**\n * A BareResponse with additional properties.\n */\nexport type BareResponseFetch = BareResponse & { finalURL: string };\nexport type BareBodyInit =\n\t| Blob\n\t| BufferSource\n\t| FormData\n\t| URLSearchParams\n\t| ReadableStream\n\t| undefined\n\t| null;\n\nexport type BareFetchInit = {\n\tmethod?: BareMethod;\n\theaders?: Headers | BareHeaders;\n\tbody?: BareBodyInit;\n\tcache?: BareCache;\n\tredirect?: 'follow' | 'manual' | 'error' | string;\n\tsignal?: AbortSignal;\n};\n\nexport type BareMaintainer = {\n\temail?: string;\n\twebsite?: string;\n};\n\nexport type BareProject = {\n\tname?: string;\n\tdescription?: string;\n\temail?: string;\n\twebsite?: string;\n\trepository?: string;\n\tversion?: string;\n};\n\nexport type BareLanguage =\n\t| 'NodeJS'\n\t| 'ServiceWorker'\n\t| 'Deno'\n\t| 'Java'\n\t| 'PHP'\n\t| 'Rust'\n\t| 'C'\n\t| 'C++'\n\t| 'C#'\n\t| 'Ruby'\n\t| 'Go'\n\t| 'Crystal'\n\t| 'Shell'\n\t| string;\n\nexport type BareManifest = {\n\tmaintainer?: BareMaintainer;\n\tproject?: BareProject;\n\tversions: string[];\n\tlanguage: BareLanguage;\n\tmemoryUsage?: number;\n};\n\nasync function fetchManifest(\n\tserver: string | URL,\n\tsignal?: AbortSignal\n): Promise<BareManifest> {\n\tconst outgoing = await fetch(server, { signal });\n\n\tif (!outgoing.ok) {\n\t\tthrow new Error(\n\t\t\t`Unable to fetch Bare meta: ${outgoing.status} ${await outgoing.text()}`\n\t\t);\n\t}\n\n\treturn await outgoing.json();\n}\n\nfunction resolvePort(url: URL) {\n\tif (url.port) return Number(url.port);\n\n\tswitch (url.protocol) {\n\t\tcase 'ws:':\n\t\tcase 'http:':\n\t\t\treturn 80;\n\t\tcase 'wss:':\n\t\tcase 'https:':\n\t\t\treturn 443;\n\t\tdefault:\n\t\t\t// maybe blob\n\t\t\treturn 0;\n\t}\n}\n\nexport default class BareClient {\n\t/**\n\t * @depricated Use .manifest instead.\n\t */\n\tget data(): BareClient['manfiest'] {\n\t\treturn this.manfiest;\n\t}\n\tmanfiest?: BareManifest;\n\tprivate client?: GenericClient;\n\tprivate server: URL;\n\tprivate working?: Promise<void>;\n\tprivate onDemand: boolean;\n\tprivate onDemandSignal?: AbortSignal;\n\t/**\n\t * Lazily create a BareClient. Calls to fetch and connect will request the manifest once on-demand.\n\t * @param server A full URL to the bare server.\n\t * @param signal An abort signal for fetching the manifest on demand.\n\t */\n\tconstructor(server: string | URL, signal?: AbortSignal);\n\t/**\n\t * Immediately create a BareClient.\n\t * @param server A full URL to the bare server.\n\t * @param manfiest A Bare server manifest.\n\t */\n\tconstructor(server: string | URL, manfiest?: BareManifest);\n\tconstructor(server: string | URL, _?: BareManifest | AbortSignal) {\n\t\tthis.server = new URL(server);\n\n\t\tif (!_ || _ instanceof AbortSignal) {\n\t\t\tthis.onDemand = true;\n\t\t\tthis.onDemandSignal = _;\n\t\t} else {\n\t\t\tthis.onDemand = false;\n\t\t\tthis.manfiest = _;\n\t\t\tthis.getClient();\n\t\t}\n\t}\n\tprivate demand() {\n\t\tif (!this.onDemand) return;\n\n\t\tif (!this.working)\n\t\t\tthis.working = fetchManifest(this.server, this.onDemandSignal)\n\t\t\t\t.then((manfiest) => {\n\t\t\t\t\tthis.manfiest = manfiest;\n\t\t\t\t\tthis.getClient();\n\t\t\t\t})\n\t\t\t\t.catch((err) => {\n\t\t\t\t\t// allow the next request to re-fetch the manifest\n\t\t\t\t\t// this is to prevent BareClient from permanently failing when used on demand\n\t\t\t\t\tdelete this.working;\n\t\t\t\t\tthrow err;\n\t\t\t\t});\n\n\t\treturn this.working;\n\t}\n\tprivate getClient() {\n\t\t// newest-oldest\n\t\tfor (const [version, ctor] of clientCtors) {\n\t\t\tif (this.data!.versions.includes(version)) {\n\t\t\t\tthis.client = new ctor(this.server);\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\n\t\tthrow new Error(`Unable to find compatible client version.`);\n\t}\n\tasync request(\n\t\tmethod: BareMethod,\n\t\trequestHeaders: BareHeaders,\n\t\tbody: BareBodyInit,\n\t\tprotocol: BareHTTPProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string,\n\t\tcache: BareCache | undefined,\n\t\tsignal: AbortSignal | undefined\n\t): Promise<BareResponse> {\n\t\tawait this.demand();\n\n\t\treturn await this.client!.request(\n\t\t\tmethod,\n\t\t\trequestHeaders,\n\t\t\tbody,\n\t\t\tprotocol,\n\t\t\thost,\n\t\t\tport,\n\t\t\tpath,\n\t\t\tcache,\n\t\t\tsignal\n\t\t);\n\t}\n\tasync connect(\n\t\trequestHeaders: BareHeaders,\n\t\tprotocol: BareWSProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string\n\t): Promise<BareWebSocket> {\n\t\tawait this.demand();\n\n\t\treturn this.client!.connect(requestHeaders, protocol, host, port, path);\n\t}\n\t/**\n\t *\n\t * @param url\n\t * @param headers\n\t * @param protocols\n\t * @returns\n\t */\n\tcreateWebSocket(\n\t\turl: urlLike,\n\t\theaders: BareHeaders | Headers = {},\n\t\tprotocols: string | string[] = []\n\t): Promise<BareWebSocket> {\n\t\tconst requestHeaders: BareHeaders =\n\t\t\theaders instanceof Headers ? Object.fromEntries(headers) : headers;\n\n\t\turl = new URL(url);\n\n\t\t// user is expected to specify user-agent and origin\n\t\t// both are in spec\n\n\t\trequestHeaders['Host'] = url.host;\n\t\t// requestHeaders['Origin'] = origin;\n\t\trequestHeaders['Pragma'] = 'no-cache';\n\t\trequestHeaders['Cache-Control'] = 'no-cache';\n\t\trequestHeaders['Upgrade'] = 'websocket';\n\t\t// requestHeaders['User-Agent'] = navigator.userAgent;\n\t\trequestHeaders['Connection'] = 'Upgrade';\n\n\t\tif (typeof protocols === 'string') {\n\t\t\tprotocols = [protocols];\n\t\t}\n\n\t\tfor (const proto of protocols) {\n\t\t\tif (!validProtocol(proto)) {\n\t\t\t\tthrow new DOMException(\n\t\t\t\t\t`Failed to construct 'WebSocket': The subprotocol '${proto}' is invalid.`\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\n\t\tif (protocols.length)\n\t\t\trequestHeaders['Sec-Websocket-Protocol'] = protocols.join(', ');\n\n\t\treturn this.connect(\n\t\t\trequestHeaders,\n\t\t\turl.protocol,\n\t\t\turl.hostname,\n\t\t\tresolvePort(url),\n\t\t\turl.pathname + url.search\n\t\t);\n\t}\n\tasync fetch(\n\t\turl: urlLike | Request,\n\t\tinit: BareFetchInit = {}\n\t): Promise<BareResponseFetch> {\n\t\tif (url instanceof Request) {\n\t\t\t// behave similar to the browser when fetch is called with (Request, Init)\n\t\t\tif (init) {\n\t\t\t\turl = new URL(url.url);\n\t\t\t} else {\n\t\t\t\tinit = url;\n\t\t\t\turl = new URL(url.url);\n\t\t\t}\n\t\t} else {\n\t\t\turl = new URL(url);\n\t\t}\n\n\t\tlet method: BareMethod;\n\n\t\tif (typeof init.method === 'string') {\n\t\t\tmethod = init.method;\n\t\t} else {\n\t\t\tmethod = 'GET';\n\t\t}\n\n\t\tlet body: BareBodyInit;\n\n\t\tif (init.body !== undefined && init.body !== null) {\n\t\t\tbody = init.body;\n\t\t}\n\n\t\tlet headers: BareHeaders;\n\n\t\tif (typeof init.headers === 'object' && init.headers !== null) {\n\t\t\tif (init.headers instanceof Headers) {\n\t\t\t\theaders = Object.fromEntries(init.headers);\n\t\t\t} else {\n\t\t\t\theaders = init.headers;\n\t\t\t}\n\t\t} else {\n\t\t\theaders = {};\n\t\t}\n\n\t\tlet cache: BareCache;\n\n\t\tif (typeof init.cache === 'string') {\n\t\t\tcache = init.cache;\n\t\t} else {\n\t\t\tcache = 'default';\n\t\t}\n\n\t\tlet signal: AbortSignal | undefined;\n\n\t\tif (init.signal instanceof AbortSignal) {\n\t\t\tsignal = init.signal;\n\t\t}\n\n\t\tfor (let i = 0; ; i++) {\n\t\t\tif ('host' in headers) headers.host = url.host;\n\t\t\telse headers.Host = url.host;\n\n\t\t\tconst response: BareResponse & Partial<BareResponseFetch> =\n\t\t\t\tawait this.request(\n\t\t\t\t\tmethod,\n\t\t\t\t\theaders,\n\t\t\t\t\tbody,\n\t\t\t\t\turl.protocol,\n\t\t\t\t\turl.hostname,\n\t\t\t\t\tresolvePort(url),\n\t\t\t\t\turl.pathname + url.search,\n\t\t\t\t\tcache,\n\t\t\t\t\tsignal\n\t\t\t\t);\n\n\t\t\tresponse.finalURL = url.toString();\n\n\t\t\tif (statusRedirect.includes(response.status)) {\n\t\t\t\tswitch (init.redirect) {\n\t\t\t\t\tdefault:\n\t\t\t\t\tcase 'follow':\n\t\t\t\t\t\tif (maxRedirects > i && response.headers.has('location')) {\n\t\t\t\t\t\t\turl = new URL(response.headers.get('location')!, url);\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthrow new TypeError('Failed to fetch');\n\t\t\t\t\t\t}\n\t\t\t\t\tcase 'error':\n\t\t\t\t\t\tthrow new TypeError('Failed to fetch');\n\t\t\t\t\tcase 'manual':\n\t\t\t\t\t\treturn <BareResponseFetch>response;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\treturn <BareResponseFetch>response;\n\t\t\t}\n\t\t}\n\t}\n}\n\n/**\n *\n * Facilitates fetching the Bare server and constructing a BareClient.\n * @param server Bare server\n * @param signal Abort signal when fetching the manifest\n */\nexport async function createBareClient(\n\tserver: string | URL,\n\tsignal?: AbortSignal\n): Promise<BareClient> {\n\tconst manfiest = await fetchManifest(server, signal);\n\n\treturn new BareClient(server, manfiest);\n}\n","import type {\n\tBareBodyInit,\n\tBareCache,\n\tBareHeaders,\n\tBareHTTPProtocol,\n\tBareMethod,\n\tBareResponse,\n\tBareWebSocket,\n\tBareWSProtocol,\n\tXBare,\n} from './BareClient';\nimport type { GenericClient } from './Client';\nimport Client, { BareError, statusEmpty } from './Client';\nimport md5 from './md5';\nimport { joinHeaders, splitHeaders } from './splitHeaderUtil';\n\nexport default class ClientV2 extends Client implements GenericClient {\n\tws: URL;\n\thttp: URL;\n\tnewMeta: URL;\n\tgetMeta: URL;\n\tconstructor(server: URL) {\n\t\tsuper(2, server);\n\n\t\tthis.ws = new URL(this.base);\n\t\tthis.http = new URL(this.base);\n\t\tthis.newMeta = new URL('./ws-new-meta', this.base);\n\t\tthis.getMeta = new URL(`./ws-meta`, this.base);\n\n\t\tif (this.ws.protocol === 'https:') {\n\t\t\tthis.ws.protocol = 'wss:';\n\t\t} else {\n\t\t\tthis.ws.protocol = 'ws:';\n\t\t}\n\t}\n\tasync connect(\n\t\trequestHeaders: BareHeaders,\n\t\tprotocol: BareWSProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string\n\t): Promise<BareWebSocket> {\n\t\tconst request = new Request(this.newMeta, {\n\t\t\theaders: this.createBareHeaders(\n\t\t\t\tprotocol,\n\t\t\t\thost,\n\t\t\t\tpath,\n\t\t\t\tport,\n\t\t\t\trequestHeaders\n\t\t\t),\n\t\t});\n\n\t\tconst assignMeta = await fetch(request);\n\n\t\tif (!assignMeta.ok) {\n\t\t\tthrow new BareError(assignMeta.status, await assignMeta.json());\n\t\t}\n\n\t\tconst id = await assignMeta.text();\n\n\t\tconst socket: WebSocket & Partial<BareWebSocket> = new WebSocket(this.ws, [\n\t\t\tid,\n\t\t]);\n\n\t\tsocket.meta = new Promise<XBare>((resolve, reject) => {\n\t\t\tsocket.addEventListener('open', async () => {\n\t\t\t\tconst outgoing = await fetch(this.getMeta, {\n\t\t\t\t\theaders: {\n\t\t\t\t\t\t'x-bare-id': id,\n\t\t\t\t\t},\n\t\t\t\t\tmethod: 'GET',\n\t\t\t\t});\n\n\t\t\t\tresolve(await this.readBareResponse(outgoing));\n\t\t\t});\n\n\t\t\tsocket.addEventListener('error', reject);\n\t\t});\n\n\t\treturn <BareWebSocket>socket;\n\t}\n\tasync request(\n\t\tmethod: BareMethod,\n\t\trequestHeaders: BareHeaders,\n\t\tbody: BareBodyInit,\n\t\tprotocol: BareHTTPProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string,\n\t\tcache: BareCache | undefined,\n\t\tsignal: AbortSignal | undefined\n\t): Promise<BareResponse> {\n\t\tif (protocol.startsWith('blob:')) {\n\t\t\tconst response = await fetch(`${protocol}${host}${path}`);\n\t\t\tconst result: Response & Partial<BareResponse> = new Response(\n\t\t\t\tresponse.body,\n\t\t\t\tresponse\n\t\t\t);\n\n\t\t\tresult.rawHeaders = Object.fromEntries(response.headers);\n\t\t\tresult.rawResponse = response;\n\n\t\t\treturn <BareResponse>result;\n\t\t}\n\n\t\tconst bareHeaders: BareHeaders = {};\n\n\t\tif (requestHeaders instanceof Headers) {\n\t\t\tfor (const [header, value] of requestHeaders) {\n\t\t\t\tbareHeaders[header] = value;\n\t\t\t}\n\t\t} else {\n\t\t\tfor (const header in requestHeaders) {\n\t\t\t\tbareHeaders[header] = requestHeaders[header];\n\t\t\t}\n\t\t}\n\n\t\tconst options: RequestInit = {\n\t\t\tcredentials: 'omit',\n\t\t\tmethod: method,\n\t\t\tsignal,\n\t\t};\n\n\t\tif (cache !== 'only-if-cached') {\n\t\t\toptions.cache = <RequestCache>cache;\n\t\t}\n\n\t\tif (body !== undefined) {\n\t\t\toptions.body = body;\n\t\t}\n\n\t\toptions.headers = this.createBareHeaders(\n\t\t\tprotocol,\n\t\t\thost,\n\t\t\tpath,\n\t\t\tport,\n\t\t\tbareHeaders\n\t\t);\n\n\t\tconst request = new Request(\n\t\t\tthis.http + '?cache=' + md5(`${protocol}${host}${port}${path}`),\n\t\t\toptions\n\t\t);\n\n\t\tconst response = await fetch(request);\n\n\t\tconst readResponse = await this.readBareResponse(response);\n\n\t\tconst result: Response & Partial<BareResponse> = new Response(\n\t\t\tstatusEmpty.includes(readResponse.status!) ? undefined : response.body,\n\t\t\t{\n\t\t\t\tstatus: readResponse.status!,\n\t\t\t\tstatusText: readResponse.statusText ?? undefined,\n\t\t\t\theaders: readResponse.headers!,\n\t\t\t}\n\t\t);\n\n\t\tresult.rawHeaders = readResponse.rawHeaders;\n\t\tresult.rawResponse = response;\n\n\t\treturn <BareResponse>result;\n\t}\n\tprivate async readBareResponse(response: Response): Promise<XBare> {\n\t\tif (!response.ok) {\n\t\t\tthrow new BareError(response.status, await response.json());\n\t\t}\n\n\t\tconst responseHeaders = joinHeaders(response.headers);\n\n\t\tconst result: XBare = {};\n\n\t\tif (responseHeaders.has('x-bare-status')) {\n\t\t\tresult.status = parseInt(responseHeaders.get('x-bare-status')!);\n\t\t}\n\n\t\tif (responseHeaders.has('x-bare-status-text')) {\n\t\t\tresult.statusText = responseHeaders.get('x-bare-status-text')!;\n\t\t}\n\n\t\tif (responseHeaders.has('x-bare-headers')) {\n\t\t\tresult.rawHeaders = JSON.parse(responseHeaders.get('x-bare-headers')!);\n\t\t\tresult.headers = new Headers(<HeadersInit>result.rawHeaders);\n\t\t}\n\n\t\treturn result;\n\t}\n\tcreateBareHeaders(\n\t\tprotocol: BareWSProtocol | BareHTTPProtocol,\n\t\thost: string,\n\t\tpath: string,\n\t\tport: number | string,\n\t\tbareHeaders: BareHeaders,\n\t\tforwardHeaders: string[] = [],\n\t\tpassHeaders: string[] = [],\n\t\tpassStatus: number[] = []\n\t) {\n\t\tconst headers = new Headers();\n\n\t\theaders.set('x-bare-protocol', protocol);\n\t\theaders.set('x-bare-host', host);\n\t\theaders.set('x-bare-path', path);\n\t\theaders.set('x-bare-port', port.toString());\n\t\theaders.set('x-bare-headers', JSON.stringify(bareHeaders));\n\n\t\tfor (const header of forwardHeaders) {\n\t\t\theaders.append('x-bare-forward-headers', header);\n\t\t}\n\n\t\tfor (const header of passHeaders) {\n\t\t\theaders.append('x-bare-pass-headers', header);\n\t\t}\n\n\t\tfor (const status of passStatus) {\n\t\t\theaders.append('x-bare-pass-status', status.toString());\n\t\t}\n\n\t\tsplitHeaders(headers);\n\n\t\treturn headers;\n\t}\n}\n","import type {\n\tBareBodyInit,\n\tBareCache,\n\tBareHeaders,\n\tBareHTTPProtocol,\n\tBareMethod,\n\tBareResponse,\n\tBareWebSocket,\n\tBareWSProtocol,\n\tXBare,\n} from './BareClient.js';\nimport type { GenericClient } from './Client.js';\nimport Client, { BareError, statusEmpty } from './Client.js';\nimport { encodeProtocol } from './encodeProtocol.js';\n\nexport default class ClientV1 extends Client implements GenericClient {\n\tws: URL;\n\thttp: URL;\n\tnewMeta: URL;\n\tgetMeta: URL;\n\tconstructor(server: URL) {\n\t\tsuper(1, server);\n\n\t\tthis.ws = new URL(this.base);\n\t\tthis.http = new URL(this.base);\n\t\tthis.newMeta = new URL('ws-new-meta', this.base);\n\t\tthis.getMeta = new URL('ws-meta', this.base);\n\n\t\tif (this.ws.protocol === 'https:') {\n\t\t\tthis.ws.protocol = 'wss:';\n\t\t} else {\n\t\t\tthis.ws.protocol = 'ws:';\n\t\t}\n\t}\n\tasync connect(\n\t\trequestHeaders: BareHeaders,\n\t\tprotocol: BareWSProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string\n\t): Promise<BareWebSocket> {\n\t\tconst assignMeta = await fetch(this.newMeta, { method: 'GET' });\n\n\t\tif (!assignMeta.ok) {\n\t\t\tthrow new BareError(assignMeta.status, await assignMeta.json());\n\t\t}\n\n\t\tconst id = await assignMeta.text();\n\n\t\tconst socket: WebSocket & Partial<BareWebSocket> = new WebSocket(this.ws, [\n\t\t\t'bare',\n\t\t\tencodeProtocol(\n\t\t\t\tJSON.stringify({\n\t\t\t\t\tremote: {\n\t\t\t\t\t\tprotocol,\n\t\t\t\t\t\thost,\n\t\t\t\t\t\tport,\n\t\t\t\t\t\tpath,\n\t\t\t\t\t},\n\t\t\t\t\theaders: requestHeaders,\n\t\t\t\t\tforward_headers: [\n\t\t\t\t\t\t'accept-encoding',\n\t\t\t\t\t\t'accept-language',\n\t\t\t\t\t\t'sec-websocket-extensions',\n\t\t\t\t\t\t'sec-websocket-key',\n\t\t\t\t\t\t'sec-websocket-version',\n\t\t\t\t\t],\n\t\t\t\t\tid,\n\t\t\t\t})\n\t\t\t),\n\t\t]);\n\n\t\tsocket.meta = new Promise<XBare>((resolve, reject) => {\n\t\t\tsocket.addEventListener('open', async () => {\n\t\t\t\tconst outgoing = await fetch(this.getMeta, {\n\t\t\t\t\theaders: {\n\t\t\t\t\t\t'x-bare-id': id,\n\t\t\t\t\t},\n\t\t\t\t\tmethod: 'GET',\n\t\t\t\t});\n\n\t\t\t\tif (!outgoing.ok) {\n\t\t\t\t\treject(new BareError(outgoing.status, await outgoing.json()));\n\t\t\t\t}\n\n\t\t\t\tresolve(await outgoing.json());\n\t\t\t});\n\n\t\t\tsocket.addEventListener('error', reject);\n\t\t});\n\n\t\treturn <BareWebSocket>socket;\n\t}\n\tasync request(\n\t\tmethod: BareMethod,\n\t\trequestHeaders: BareHeaders,\n\t\tbody: BareBodyInit,\n\t\tprotocol: BareHTTPProtocol,\n\t\thost: string,\n\t\tport: string | number,\n\t\tpath: string,\n\t\tcache: BareCache | undefined,\n\t\tsignal: AbortSignal | undefined\n\t): Promise<BareResponse> {\n\t\tif (protocol.startsWith('blob:')) {\n\t\t\tconst response = await fetch(`${protocol}${host}${path}`);\n\t\t\tconst result: Response & Partial<BareResponse> = new Response(\n\t\t\t\tresponse.body,\n\t\t\t\tresponse\n\t\t\t);\n\n\t\t\tresult.rawHeaders = Object.fromEntries(response.headers);\n\t\t\tresult.rawResponse = response;\n\n\t\t\treturn <BareResponse>result;\n\t\t}\n\n\t\tconst bareHeaders: BareHeaders = {};\n\n\t\tif (requestHeaders instanceof Headers) {\n\t\t\tfor (const [header, value] of requestHeaders) {\n\t\t\t\tbareHeaders[header] = value;\n\t\t\t}\n\t\t} else {\n\t\t\tfor (const header in requestHeaders) {\n\t\t\t\tbareHeaders[header] = requestHeaders[header];\n\t\t\t}\n\t\t}\n\n\t\tconst forwardHeaders = ['accept-encoding', 'accept-language'];\n\n\t\tconst options: RequestInit = {\n\t\t\tcredentials: 'omit',\n\t\t\tmethod: method,\n\t\t\tsignal,\n\t\t};\n\n\t\tif (body !== undefined) {\n\t\t\toptions.body = body;\n\t\t}\n\n\t\t// bare can be an absolute path containing no origin, it becomes relative to the script\n\t\tconst request = new Request(this.http, options);\n\n\t\tthis.writeBareRequest(\n\t\t\trequest,\n\t\t\tprotocol,\n\t\t\thost,\n\t\t\tpath,\n\t\t\tport,\n\t\t\tbareHeaders,\n\t\t\tforwardHeaders\n\t\t);\n\n\t\tconst response = await fetch(request);\n\n\t\tconst readResponse = await this.readBareResponse(response);\n\n\t\tconst result: Partial<BareResponse> = new Response(\n\t\t\tstatusEmpty.includes(readResponse.status) ? undefined : response.body,\n\t\t\t{\n\t\t\t\tstatus: readResponse.status,\n\t\t\t\tstatusText: readResponse.statusText ?? undefined,\n\t\t\t\theaders: readResponse.headers,\n\t\t\t}\n\t\t);\n\n\t\tresult.rawHeaders = readResponse.rawHeaders;\n\t\tresult.rawResponse = response;\n\n\t\treturn <BareResponse>result;\n\t}\n\tprivate async readBareResponse(response: Response) {\n\t\tif (!response.ok) {\n\t\t\tthrow new BareError(response.status, await response.json());\n\t\t}\n\n\t\tconst requiredHeaders = [\n\t\t\t'x-bare-status',\n\t\t\t'x-bare-status-text',\n\t\t\t'x-bare-headers',\n\t\t];\n\n\t\tfor (const header of requiredHeaders) {\n\t\t\tif (!response.headers.has(header)) {\n\t\t\t\tthrow new BareError(500, {\n\t\t\t\t\tcode: 'IMPL_MISSING_BARE_HEADER',\n\t\t\t\t\tid: `response.headers.${header}`,\n\t\t\t\t});\n\t\t\t}\n\t\t}\n\n\t\tconst status = parseInt(response.headers.get('x-bare-status')!);\n\t\tconst statusText = response.headers.get('x-bare-status-text')!;\n\t\tconst rawHeaders = JSON.parse(response.headers.get('x-bare-headers')!);\n\t\tconst headers = new Headers(rawHeaders);\n\n\t\treturn {\n\t\t\tstatus,\n\t\t\tstatusText,\n\t\t\trawHeaders,\n\t\t\theaders,\n\t\t};\n\t}\n\tprivate writeBareRequest(\n\t\trequest: Request,\n\t\tprotocol: BareHTTPProtocol,\n\t\thost: string,\n\t\tpath: string,\n\t\tport: string | number,\n\t\tbareHeaders: BareHeaders,\n\t\tforwardHeaders: string[]\n\t) {\n\t\trequest.headers.set('x-bare-protocol', protocol);\n\t\trequest.headers.set('x-bare-host', host);\n\t\trequest.headers.set('x-bare-path', path);\n\t\trequest.headers.set('x-bare-port', port.toString());\n\t\trequest.headers.set('x-bare-headers', JSON.stringify(bareHeaders));\n\t\trequest.headers.set(\n\t\t\t'x-bare-forward-headers',\n\t\t\tJSON.stringify(forwardHeaders)\n\t\t);\n\t}\n}\n","import HTML from './html.js';\nimport CSS from './css.js';\nimport JS from './js.js';\nimport setCookie from 'set-cookie-parser';\nimport { xor, base64, plain } from './codecs.js';\nimport * as mimeTypes from './mime.js';\nimport {\n validateCookie,\n db,\n getCookies,\n setCookies,\n serialize,\n} from './cookie.js';\nimport {\n attributes,\n isUrl,\n isForbidden,\n isHtml,\n isSrcset,\n isStyle,\n text,\n injectHead,\n createHtmlInject,\n createJsInject,\n} from './rewrite.html.js';\nimport { importStyle, url } from './rewrite.css.js';\n//import { call, destructureDeclaration, dynamicImport, getProperty, importDeclaration, setProperty, sourceMethods, wrapEval, wrapIdentifier } from './rewrite.script.js';\nimport {\n dynamicImport,\n identifier,\n importDeclaration,\n property,\n unwrap,\n wrapEval,\n} from './rewrite.script.js';\nimport { openDB } from 'idb';\nimport BareClient from '@tomphttp/bare-client';\nimport EventEmitter from 'events';\n\n/**\n * @typedef {import('../uv.js').UVConfig} UVConfig\n */\n\nclass Ultraviolet {\n /**\n *\n * @param {UVConfig} [options]\n */\n constructor(options = {}) {\n this.prefix = options.prefix || '/service/';\n //this.urlRegex = /^(#|about:|data:|mailto:|javascript:)/;\n this.urlRegex = /^(#|about:|data:|mailto:)/;\n this.rewriteUrl = options.rewriteUrl || this.rewriteUrl;\n this.rewriteImport = options.rewriteImport || this.rewriteImport;\n this.sourceUrl = options.sourceUrl || this.sourceUrl;\n this.encodeUrl = options.encodeUrl || this.encodeUrl;\n this.decodeUrl = options.decodeUrl || this.decodeUrl;\n this.vanilla = 'vanilla' in options ? options.vanilla : false;\n this.meta = options.meta || {};\n this.meta.base ||= undefined;\n this.meta.origin ||= '';\n this.bundleScript = options.bundle || '/uv.bundle.js';\n this.handlerScript = options.handler || '/uv.handler.js';\n this.clientScript =\n options.client ||\n (options.bundle &&\n options.bundle.includes('uv.bundle.js') &&\n options.bundle.replace('uv.bundle.js', 'uv.client.js')) ||\n '/uv.client.js';\n this.configScript = options.config || '/uv.config.js';\n this.meta.url ||= this.meta.base || '';\n this.codec = Ultraviolet.codec;\n this.html = new HTML(this);\n this.css = new CSS(this);\n this.js = new JS(this);\n this.openDB = this.constructor.openDB;\n this.master = '__uv';\n this.dataPrefix = '__uv$';\n this.attributePrefix = '__uv';\n this.createHtmlInject = createHtmlInject;\n this.createJsInject = createJsInject;\n this.attrs = {\n isUrl,\n isForbidden,\n isHtml,\n isSrcset,\n isStyle,\n };\n if (!this.vanilla) this.implementUVMiddleware();\n this.cookie = {\n validateCookie,\n db: () => {\n return db(this.constructor.openDB);\n },\n getCookies,\n setCookies,\n serialize,\n setCookie,\n };\n }\n /**\n *\n * @param {string} str Script being imported\n * @param {string} src Script that is importing\n * @param {*} meta\n */\n rewriteImport(str, src, meta = this.meta) {\n // use importiing script as the base\n return this.rewriteUrl(str, {\n ...meta,\n base: src,\n });\n }\n rewriteUrl(str, meta = this.meta) {\n str = new String(str).trim();\n if (!str || this.urlRegex.test(str)) return str;\n\n if (str.startsWith('javascript:')) {\n return (\n 'javascript:' + this.js.rewrite(str.slice('javascript:'.length))\n );\n }\n\n try {\n return (\n meta.origin +\n this.prefix +\n this.encodeUrl(new URL(str, meta.base).href)\n );\n } catch (e) {\n return meta.origin + this.prefix + this.encodeUrl(str);\n }\n }\n sourceUrl(str, meta = this.meta) {\n if (!str || this.urlRegex.test(str)) return str;\n try {\n return new URL(\n this.decodeUrl(\n str.slice(this.prefix.length + meta.origin.length)\n ),\n meta.base\n ).href;\n } catch (e) {\n return this.decodeUrl(\n str.slice(this.prefix.length + meta.origin.length)\n );\n }\n }\n encodeUrl(str) {\n return encodeURIComponent(str);\n }\n decodeUrl(str) {\n return decodeURIComponent(str);\n }\n implementUVMiddleware() {\n // HTML\n attributes(this);\n text(this);\n injectHead(this);\n // CSS\n url(this);\n importStyle(this);\n // JS\n importDeclaration(this);\n dynamicImport(this);\n property(this);\n wrapEval(this);\n identifier(this);\n unwrap(this);\n }\n get rewriteHtml() {\n return this.html.rewrite.bind(this.html);\n }\n get sourceHtml() {\n return this.html.source.bind(this.html);\n }\n get rewriteCSS() {\n return this.css.rewrite.bind(this.css);\n }\n get sourceCSS() {\n return this.css.source.bind(this.css);\n }\n get rewriteJS() {\n return this.js.rewrite.bind(this.js);\n }\n get sourceJS() {\n return this.js.source.bind(this.js);\n }\n static codec = { xor, base64, plain };\n static mime = mimeTypes;\n static setCookie = setCookie;\n static openDB = openDB;\n static BareClient = BareClient;\n static EventEmitter = EventEmitter;\n}\n\nexport default Ultraviolet;\nif (typeof self === 'object') self.Ultraviolet = Ultraviolet;\n","/**\n * @typedef {import('./index').default} Ultraviolet\n */\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction url(ctx) {\n const { css } = ctx;\n css.on('Url', (node, data, type) => {\n node.value =\n type === 'rewrite'\n ? ctx.rewriteUrl(node.value)\n : ctx.sourceUrl(node.value);\n });\n}\n\n/**\n *\n * @param {Ultraviolet} ctx\n */\nfunction importStyle(ctx) {\n const { css } = ctx;\n css.on('Atrule', (node, data, type) => {\n if (node.name !== 'import') return false;\n const { data: url } = node.prelude.children.head;\n // Already handling Url's\n if (url.type === 'Url') return false;\n url.value =\n type === 'rewrite'\n ? ctx.rewriteUrl(url.value)\n : ctx.sourceUrl(url.value);\n });\n}\n\nexport { url, importStyle 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