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1239 lines
38 KiB
1239 lines
38 KiB
"use strict"; |
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exports.__esModule = true; |
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exports["default"] = void 0; |
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var _root = _interopRequireDefault(require("./selectors/root")); |
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var _selector = _interopRequireDefault(require("./selectors/selector")); |
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var _className = _interopRequireDefault(require("./selectors/className")); |
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var _comment = _interopRequireDefault(require("./selectors/comment")); |
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var _id = _interopRequireDefault(require("./selectors/id")); |
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var _tag = _interopRequireDefault(require("./selectors/tag")); |
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var _string = _interopRequireDefault(require("./selectors/string")); |
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var _pseudo = _interopRequireDefault(require("./selectors/pseudo")); |
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var _attribute = _interopRequireWildcard(require("./selectors/attribute")); |
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var _universal = _interopRequireDefault(require("./selectors/universal")); |
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var _combinator = _interopRequireDefault(require("./selectors/combinator")); |
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var _nesting = _interopRequireDefault(require("./selectors/nesting")); |
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var _sortAscending = _interopRequireDefault(require("./sortAscending")); |
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var _tokenize = _interopRequireWildcard(require("./tokenize")); |
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var tokens = _interopRequireWildcard(require("./tokenTypes")); |
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var types = _interopRequireWildcard(require("./selectors/types")); |
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var _util = require("./util"); |
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var _WHITESPACE_TOKENS, _Object$assign; |
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; } |
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; } |
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } |
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function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } |
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } |
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var WHITESPACE_TOKENS = (_WHITESPACE_TOKENS = {}, _WHITESPACE_TOKENS[tokens.space] = true, _WHITESPACE_TOKENS[tokens.cr] = true, _WHITESPACE_TOKENS[tokens.feed] = true, _WHITESPACE_TOKENS[tokens.newline] = true, _WHITESPACE_TOKENS[tokens.tab] = true, _WHITESPACE_TOKENS); |
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var WHITESPACE_EQUIV_TOKENS = Object.assign({}, WHITESPACE_TOKENS, (_Object$assign = {}, _Object$assign[tokens.comment] = true, _Object$assign)); |
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function tokenStart(token) { |
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return { |
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line: token[_tokenize.FIELDS.START_LINE], |
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column: token[_tokenize.FIELDS.START_COL] |
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}; |
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} |
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function tokenEnd(token) { |
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return { |
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line: token[_tokenize.FIELDS.END_LINE], |
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column: token[_tokenize.FIELDS.END_COL] |
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}; |
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} |
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function getSource(startLine, startColumn, endLine, endColumn) { |
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return { |
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start: { |
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line: startLine, |
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column: startColumn |
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}, |
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end: { |
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line: endLine, |
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column: endColumn |
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} |
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}; |
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} |
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function getTokenSource(token) { |
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return getSource(token[_tokenize.FIELDS.START_LINE], token[_tokenize.FIELDS.START_COL], token[_tokenize.FIELDS.END_LINE], token[_tokenize.FIELDS.END_COL]); |
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} |
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function getTokenSourceSpan(startToken, endToken) { |
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if (!startToken) { |
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return undefined; |
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} |
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return getSource(startToken[_tokenize.FIELDS.START_LINE], startToken[_tokenize.FIELDS.START_COL], endToken[_tokenize.FIELDS.END_LINE], endToken[_tokenize.FIELDS.END_COL]); |
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} |
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function unescapeProp(node, prop) { |
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var value = node[prop]; |
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if (typeof value !== "string") { |
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return; |
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} |
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if (value.indexOf("\\") !== -1) { |
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(0, _util.ensureObject)(node, 'raws'); |
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node[prop] = (0, _util.unesc)(value); |
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if (node.raws[prop] === undefined) { |
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node.raws[prop] = value; |
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} |
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} |
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return node; |
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} |
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function indexesOf(array, item) { |
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var i = -1; |
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var indexes = []; |
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while ((i = array.indexOf(item, i + 1)) !== -1) { |
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indexes.push(i); |
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} |
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return indexes; |
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} |
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function uniqs() { |
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var list = Array.prototype.concat.apply([], arguments); |
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return list.filter(function (item, i) { |
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return i === list.indexOf(item); |
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}); |
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} |
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var Parser = /*#__PURE__*/function () { |
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function Parser(rule, options) { |
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if (options === void 0) { |
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options = {}; |
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} |
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this.rule = rule; |
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this.options = Object.assign({ |
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lossy: false, |
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safe: false |
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}, options); |
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this.position = 0; |
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this.css = typeof this.rule === 'string' ? this.rule : this.rule.selector; |
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this.tokens = (0, _tokenize["default"])({ |
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css: this.css, |
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error: this._errorGenerator(), |
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safe: this.options.safe |
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}); |
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var rootSource = getTokenSourceSpan(this.tokens[0], this.tokens[this.tokens.length - 1]); |
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this.root = new _root["default"]({ |
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source: rootSource |
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}); |
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this.root.errorGenerator = this._errorGenerator(); |
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var selector = new _selector["default"]({ |
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source: { |
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start: { |
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line: 1, |
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column: 1 |
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} |
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} |
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}); |
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this.root.append(selector); |
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this.current = selector; |
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this.loop(); |
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} |
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var _proto = Parser.prototype; |
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_proto._errorGenerator = function _errorGenerator() { |
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var _this = this; |
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return function (message, errorOptions) { |
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if (typeof _this.rule === 'string') { |
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return new Error(message); |
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} |
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return _this.rule.error(message, errorOptions); |
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}; |
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}; |
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_proto.attribute = function attribute() { |
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var attr = []; |
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var startingToken = this.currToken; |
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this.position++; |
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while (this.position < this.tokens.length && this.currToken[_tokenize.FIELDS.TYPE] !== tokens.closeSquare) { |
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attr.push(this.currToken); |
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this.position++; |
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} |
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if (this.currToken[_tokenize.FIELDS.TYPE] !== tokens.closeSquare) { |
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return this.expected('closing square bracket', this.currToken[_tokenize.FIELDS.START_POS]); |
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} |
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var len = attr.length; |
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var node = { |
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source: getSource(startingToken[1], startingToken[2], this.currToken[3], this.currToken[4]), |
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sourceIndex: startingToken[_tokenize.FIELDS.START_POS] |
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}; |
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if (len === 1 && !~[tokens.word].indexOf(attr[0][_tokenize.FIELDS.TYPE])) { |
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return this.expected('attribute', attr[0][_tokenize.FIELDS.START_POS]); |
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} |
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var pos = 0; |
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var spaceBefore = ''; |
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var commentBefore = ''; |
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var lastAdded = null; |
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var spaceAfterMeaningfulToken = false; |
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while (pos < len) { |
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var token = attr[pos]; |
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var content = this.content(token); |
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var next = attr[pos + 1]; |
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switch (token[_tokenize.FIELDS.TYPE]) { |
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case tokens.space: |
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// if ( |
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// len === 1 || |
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// pos === 0 && this.content(next) === '|' |
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// ) { |
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// return this.expected('attribute', token[TOKEN.START_POS], content); |
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// } |
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spaceAfterMeaningfulToken = true; |
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if (this.options.lossy) { |
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break; |
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} |
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if (lastAdded) { |
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(0, _util.ensureObject)(node, 'spaces', lastAdded); |
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var prevContent = node.spaces[lastAdded].after || ''; |
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node.spaces[lastAdded].after = prevContent + content; |
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var existingComment = (0, _util.getProp)(node, 'raws', 'spaces', lastAdded, 'after') || null; |
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if (existingComment) { |
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node.raws.spaces[lastAdded].after = existingComment + content; |
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} |
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} else { |
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spaceBefore = spaceBefore + content; |
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commentBefore = commentBefore + content; |
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} |
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break; |
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case tokens.asterisk: |
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if (next[_tokenize.FIELDS.TYPE] === tokens.equals) { |
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node.operator = content; |
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lastAdded = 'operator'; |
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} else if ((!node.namespace || lastAdded === "namespace" && !spaceAfterMeaningfulToken) && next) { |
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if (spaceBefore) { |
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(0, _util.ensureObject)(node, 'spaces', 'attribute'); |
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node.spaces.attribute.before = spaceBefore; |
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spaceBefore = ''; |
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} |
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if (commentBefore) { |
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(0, _util.ensureObject)(node, 'raws', 'spaces', 'attribute'); |
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node.raws.spaces.attribute.before = spaceBefore; |
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commentBefore = ''; |
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} |
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node.namespace = (node.namespace || "") + content; |
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var rawValue = (0, _util.getProp)(node, 'raws', 'namespace') || null; |
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if (rawValue) { |
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node.raws.namespace += content; |
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} |
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lastAdded = 'namespace'; |
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} |
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spaceAfterMeaningfulToken = false; |
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break; |
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case tokens.dollar: |
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if (lastAdded === "value") { |
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var oldRawValue = (0, _util.getProp)(node, 'raws', 'value'); |
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node.value += "$"; |
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if (oldRawValue) { |
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node.raws.value = oldRawValue + "$"; |
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} |
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break; |
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} |
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// Falls through |
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case tokens.caret: |
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if (next[_tokenize.FIELDS.TYPE] === tokens.equals) { |
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node.operator = content; |
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lastAdded = 'operator'; |
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} |
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spaceAfterMeaningfulToken = false; |
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break; |
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case tokens.combinator: |
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if (content === '~' && next[_tokenize.FIELDS.TYPE] === tokens.equals) { |
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node.operator = content; |
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lastAdded = 'operator'; |
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} |
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if (content !== '|') { |
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spaceAfterMeaningfulToken = false; |
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break; |
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} |
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if (next[_tokenize.FIELDS.TYPE] === tokens.equals) { |
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node.operator = content; |
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lastAdded = 'operator'; |
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} else if (!node.namespace && !node.attribute) { |
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node.namespace = true; |
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} |
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spaceAfterMeaningfulToken = false; |
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break; |
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case tokens.word: |
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if (next && this.content(next) === '|' && attr[pos + 2] && attr[pos + 2][_tokenize.FIELDS.TYPE] !== tokens.equals && // this look-ahead probably fails with comment nodes involved. |
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!node.operator && !node.namespace) { |
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node.namespace = content; |
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lastAdded = 'namespace'; |
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} else if (!node.attribute || lastAdded === "attribute" && !spaceAfterMeaningfulToken) { |
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if (spaceBefore) { |
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(0, _util.ensureObject)(node, 'spaces', 'attribute'); |
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node.spaces.attribute.before = spaceBefore; |
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spaceBefore = ''; |
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} |
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if (commentBefore) { |
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(0, _util.ensureObject)(node, 'raws', 'spaces', 'attribute'); |
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node.raws.spaces.attribute.before = commentBefore; |
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commentBefore = ''; |
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} |
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node.attribute = (node.attribute || "") + content; |
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var _rawValue = (0, _util.getProp)(node, 'raws', 'attribute') || null; |
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if (_rawValue) { |
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node.raws.attribute += content; |
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} |
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lastAdded = 'attribute'; |
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} else if (!node.value && node.value !== "" || lastAdded === "value" && !spaceAfterMeaningfulToken) { |
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var _unescaped = (0, _util.unesc)(content); |
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var _oldRawValue = (0, _util.getProp)(node, 'raws', 'value') || ''; |
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var oldValue = node.value || ''; |
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node.value = oldValue + _unescaped; |
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node.quoteMark = null; |
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if (_unescaped !== content || _oldRawValue) { |
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(0, _util.ensureObject)(node, 'raws'); |
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node.raws.value = (_oldRawValue || oldValue) + content; |
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} |
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lastAdded = 'value'; |
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} else { |
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var insensitive = content === 'i' || content === "I"; |
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if ((node.value || node.value === '') && (node.quoteMark || spaceAfterMeaningfulToken)) { |
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node.insensitive = insensitive; |
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if (!insensitive || content === "I") { |
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(0, _util.ensureObject)(node, 'raws'); |
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node.raws.insensitiveFlag = content; |
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} |
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lastAdded = 'insensitive'; |
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if (spaceBefore) { |
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(0, _util.ensureObject)(node, 'spaces', 'insensitive'); |
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node.spaces.insensitive.before = spaceBefore; |
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spaceBefore = ''; |
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} |
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if (commentBefore) { |
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(0, _util.ensureObject)(node, 'raws', 'spaces', 'insensitive'); |
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node.raws.spaces.insensitive.before = commentBefore; |
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commentBefore = ''; |
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} |
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} else if (node.value || node.value === '') { |
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lastAdded = 'value'; |
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node.value += content; |
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if (node.raws.value) { |
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node.raws.value += content; |
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} |
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} |
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} |
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spaceAfterMeaningfulToken = false; |
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break; |
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case tokens.str: |
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if (!node.attribute || !node.operator) { |
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return this.error("Expected an attribute followed by an operator preceding the string.", { |
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index: token[_tokenize.FIELDS.START_POS] |
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}); |
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} |
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var _unescapeValue = (0, _attribute.unescapeValue)(content), |
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unescaped = _unescapeValue.unescaped, |
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quoteMark = _unescapeValue.quoteMark; |
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node.value = unescaped; |
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node.quoteMark = quoteMark; |
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lastAdded = 'value'; |
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(0, _util.ensureObject)(node, 'raws'); |
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node.raws.value = content; |
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spaceAfterMeaningfulToken = false; |
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break; |
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case tokens.equals: |
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if (!node.attribute) { |
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return this.expected('attribute', token[_tokenize.FIELDS.START_POS], content); |
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} |
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if (node.value) { |
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return this.error('Unexpected "=" found; an operator was already defined.', { |
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index: token[_tokenize.FIELDS.START_POS] |
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}); |
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} |
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node.operator = node.operator ? node.operator + content : content; |
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lastAdded = 'operator'; |
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spaceAfterMeaningfulToken = false; |
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break; |
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case tokens.comment: |
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if (lastAdded) { |
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if (spaceAfterMeaningfulToken || next && next[_tokenize.FIELDS.TYPE] === tokens.space || lastAdded === 'insensitive') { |
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var lastComment = (0, _util.getProp)(node, 'spaces', lastAdded, 'after') || ''; |
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var rawLastComment = (0, _util.getProp)(node, 'raws', 'spaces', lastAdded, 'after') || lastComment; |
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(0, _util.ensureObject)(node, 'raws', 'spaces', lastAdded); |
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node.raws.spaces[lastAdded].after = rawLastComment + content; |
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} else { |
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var lastValue = node[lastAdded] || ''; |
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var rawLastValue = (0, _util.getProp)(node, 'raws', lastAdded) || lastValue; |
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(0, _util.ensureObject)(node, 'raws'); |
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node.raws[lastAdded] = rawLastValue + content; |
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} |
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} else { |
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commentBefore = commentBefore + content; |
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} |
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break; |
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default: |
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return this.error("Unexpected \"" + content + "\" found.", { |
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index: token[_tokenize.FIELDS.START_POS] |
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}); |
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} |
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pos++; |
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} |
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unescapeProp(node, "attribute"); |
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unescapeProp(node, "namespace"); |
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this.newNode(new _attribute["default"](node)); |
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this.position++; |
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} |
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/** |
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* return a node containing meaningless garbage up to (but not including) the specified token position. |
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* if the token position is negative, all remaining tokens are consumed. |
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* |
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* This returns an array containing a single string node if all whitespace, |
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* otherwise an array of comment nodes with space before and after. |
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* |
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* These tokens are not added to the current selector, the caller can add them or use them to amend |
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* a previous node's space metadata. |
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* |
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* In lossy mode, this returns only comments. |
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*/ |
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; |
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_proto.parseWhitespaceEquivalentTokens = function parseWhitespaceEquivalentTokens(stopPosition) { |
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if (stopPosition < 0) { |
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stopPosition = this.tokens.length; |
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} |
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|
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var startPosition = this.position; |
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var nodes = []; |
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var space = ""; |
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var lastComment = undefined; |
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|
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do { |
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if (WHITESPACE_TOKENS[this.currToken[_tokenize.FIELDS.TYPE]]) { |
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if (!this.options.lossy) { |
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space += this.content(); |
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} |
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} else if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.comment) { |
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var spaces = {}; |
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|
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if (space) { |
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spaces.before = space; |
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space = ""; |
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} |
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|
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lastComment = new _comment["default"]({ |
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value: this.content(), |
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source: getTokenSource(this.currToken), |
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sourceIndex: this.currToken[_tokenize.FIELDS.START_POS], |
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spaces: spaces |
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}); |
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nodes.push(lastComment); |
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} |
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} while (++this.position < stopPosition); |
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|
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if (space) { |
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if (lastComment) { |
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lastComment.spaces.after = space; |
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} else if (!this.options.lossy) { |
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var firstToken = this.tokens[startPosition]; |
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var lastToken = this.tokens[this.position - 1]; |
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nodes.push(new _string["default"]({ |
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value: '', |
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source: getSource(firstToken[_tokenize.FIELDS.START_LINE], firstToken[_tokenize.FIELDS.START_COL], lastToken[_tokenize.FIELDS.END_LINE], lastToken[_tokenize.FIELDS.END_COL]), |
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sourceIndex: firstToken[_tokenize.FIELDS.START_POS], |
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spaces: { |
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before: space, |
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after: '' |
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} |
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})); |
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} |
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} |
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|
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return nodes; |
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} |
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/** |
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* |
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* @param {*} nodes |
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*/ |
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; |
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|
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_proto.convertWhitespaceNodesToSpace = function convertWhitespaceNodesToSpace(nodes, requiredSpace) { |
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var _this2 = this; |
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|
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if (requiredSpace === void 0) { |
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requiredSpace = false; |
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} |
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|
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var space = ""; |
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var rawSpace = ""; |
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nodes.forEach(function (n) { |
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var spaceBefore = _this2.lossySpace(n.spaces.before, requiredSpace); |
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|
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var rawSpaceBefore = _this2.lossySpace(n.rawSpaceBefore, requiredSpace); |
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|
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space += spaceBefore + _this2.lossySpace(n.spaces.after, requiredSpace && spaceBefore.length === 0); |
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rawSpace += spaceBefore + n.value + _this2.lossySpace(n.rawSpaceAfter, requiredSpace && rawSpaceBefore.length === 0); |
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}); |
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|
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if (rawSpace === space) { |
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rawSpace = undefined; |
|
} |
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|
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var result = { |
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space: space, |
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rawSpace: rawSpace |
|
}; |
|
return result; |
|
}; |
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|
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_proto.isNamedCombinator = function isNamedCombinator(position) { |
|
if (position === void 0) { |
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position = this.position; |
|
} |
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|
|
return this.tokens[position + 0] && this.tokens[position + 0][_tokenize.FIELDS.TYPE] === tokens.slash && this.tokens[position + 1] && this.tokens[position + 1][_tokenize.FIELDS.TYPE] === tokens.word && this.tokens[position + 2] && this.tokens[position + 2][_tokenize.FIELDS.TYPE] === tokens.slash; |
|
}; |
|
|
|
_proto.namedCombinator = function namedCombinator() { |
|
if (this.isNamedCombinator()) { |
|
var nameRaw = this.content(this.tokens[this.position + 1]); |
|
var name = (0, _util.unesc)(nameRaw).toLowerCase(); |
|
var raws = {}; |
|
|
|
if (name !== nameRaw) { |
|
raws.value = "/" + nameRaw + "/"; |
|
} |
|
|
|
var node = new _combinator["default"]({ |
|
value: "/" + name + "/", |
|
source: getSource(this.currToken[_tokenize.FIELDS.START_LINE], this.currToken[_tokenize.FIELDS.START_COL], this.tokens[this.position + 2][_tokenize.FIELDS.END_LINE], this.tokens[this.position + 2][_tokenize.FIELDS.END_COL]), |
|
sourceIndex: this.currToken[_tokenize.FIELDS.START_POS], |
|
raws: raws |
|
}); |
|
this.position = this.position + 3; |
|
return node; |
|
} else { |
|
this.unexpected(); |
|
} |
|
}; |
|
|
|
_proto.combinator = function combinator() { |
|
var _this3 = this; |
|
|
|
if (this.content() === '|') { |
|
return this.namespace(); |
|
} // We need to decide between a space that's a descendant combinator and meaningless whitespace at the end of a selector. |
|
|
|
|
|
var nextSigTokenPos = this.locateNextMeaningfulToken(this.position); |
|
|
|
if (nextSigTokenPos < 0 || this.tokens[nextSigTokenPos][_tokenize.FIELDS.TYPE] === tokens.comma) { |
|
var nodes = this.parseWhitespaceEquivalentTokens(nextSigTokenPos); |
|
|
|
if (nodes.length > 0) { |
|
var last = this.current.last; |
|
|
|
if (last) { |
|
var _this$convertWhitespa = this.convertWhitespaceNodesToSpace(nodes), |
|
space = _this$convertWhitespa.space, |
|
rawSpace = _this$convertWhitespa.rawSpace; |
|
|
|
if (rawSpace !== undefined) { |
|
last.rawSpaceAfter += rawSpace; |
|
} |
|
|
|
last.spaces.after += space; |
|
} else { |
|
nodes.forEach(function (n) { |
|
return _this3.newNode(n); |
|
}); |
|
} |
|
} |
|
|
|
return; |
|
} |
|
|
|
var firstToken = this.currToken; |
|
var spaceOrDescendantSelectorNodes = undefined; |
|
|
|
if (nextSigTokenPos > this.position) { |
|
spaceOrDescendantSelectorNodes = this.parseWhitespaceEquivalentTokens(nextSigTokenPos); |
|
} |
|
|
|
var node; |
|
|
|
if (this.isNamedCombinator()) { |
|
node = this.namedCombinator(); |
|
} else if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.combinator) { |
|
node = new _combinator["default"]({ |
|
value: this.content(), |
|
source: getTokenSource(this.currToken), |
|
sourceIndex: this.currToken[_tokenize.FIELDS.START_POS] |
|
}); |
|
this.position++; |
|
} else if (WHITESPACE_TOKENS[this.currToken[_tokenize.FIELDS.TYPE]]) {// pass |
|
} else if (!spaceOrDescendantSelectorNodes) { |
|
this.unexpected(); |
|
} |
|
|
|
if (node) { |
|
if (spaceOrDescendantSelectorNodes) { |
|
var _this$convertWhitespa2 = this.convertWhitespaceNodesToSpace(spaceOrDescendantSelectorNodes), |
|
_space = _this$convertWhitespa2.space, |
|
_rawSpace = _this$convertWhitespa2.rawSpace; |
|
|
|
node.spaces.before = _space; |
|
node.rawSpaceBefore = _rawSpace; |
|
} |
|
} else { |
|
// descendant combinator |
|
var _this$convertWhitespa3 = this.convertWhitespaceNodesToSpace(spaceOrDescendantSelectorNodes, true), |
|
_space2 = _this$convertWhitespa3.space, |
|
_rawSpace2 = _this$convertWhitespa3.rawSpace; |
|
|
|
if (!_rawSpace2) { |
|
_rawSpace2 = _space2; |
|
} |
|
|
|
var spaces = {}; |
|
var raws = { |
|
spaces: {} |
|
}; |
|
|
|
if (_space2.endsWith(' ') && _rawSpace2.endsWith(' ')) { |
|
spaces.before = _space2.slice(0, _space2.length - 1); |
|
raws.spaces.before = _rawSpace2.slice(0, _rawSpace2.length - 1); |
|
} else if (_space2.startsWith(' ') && _rawSpace2.startsWith(' ')) { |
|
spaces.after = _space2.slice(1); |
|
raws.spaces.after = _rawSpace2.slice(1); |
|
} else { |
|
raws.value = _rawSpace2; |
|
} |
|
|
|
node = new _combinator["default"]({ |
|
value: ' ', |
|
source: getTokenSourceSpan(firstToken, this.tokens[this.position - 1]), |
|
sourceIndex: firstToken[_tokenize.FIELDS.START_POS], |
|
spaces: spaces, |
|
raws: raws |
|
}); |
|
} |
|
|
|
if (this.currToken && this.currToken[_tokenize.FIELDS.TYPE] === tokens.space) { |
|
node.spaces.after = this.optionalSpace(this.content()); |
|
this.position++; |
|
} |
|
|
|
return this.newNode(node); |
|
}; |
|
|
|
_proto.comma = function comma() { |
|
if (this.position === this.tokens.length - 1) { |
|
this.root.trailingComma = true; |
|
this.position++; |
|
return; |
|
} |
|
|
|
this.current._inferEndPosition(); |
|
|
|
var selector = new _selector["default"]({ |
|
source: { |
|
start: tokenStart(this.tokens[this.position + 1]) |
|
} |
|
}); |
|
this.current.parent.append(selector); |
|
this.current = selector; |
|
this.position++; |
|
}; |
|
|
|
_proto.comment = function comment() { |
|
var current = this.currToken; |
|
this.newNode(new _comment["default"]({ |
|
value: this.content(), |
|
source: getTokenSource(current), |
|
sourceIndex: current[_tokenize.FIELDS.START_POS] |
|
})); |
|
this.position++; |
|
}; |
|
|
|
_proto.error = function error(message, opts) { |
|
throw this.root.error(message, opts); |
|
}; |
|
|
|
_proto.missingBackslash = function missingBackslash() { |
|
return this.error('Expected a backslash preceding the semicolon.', { |
|
index: this.currToken[_tokenize.FIELDS.START_POS] |
|
}); |
|
}; |
|
|
|
_proto.missingParenthesis = function missingParenthesis() { |
|
return this.expected('opening parenthesis', this.currToken[_tokenize.FIELDS.START_POS]); |
|
}; |
|
|
|
_proto.missingSquareBracket = function missingSquareBracket() { |
|
return this.expected('opening square bracket', this.currToken[_tokenize.FIELDS.START_POS]); |
|
}; |
|
|
|
_proto.unexpected = function unexpected() { |
|
return this.error("Unexpected '" + this.content() + "'. Escaping special characters with \\ may help.", this.currToken[_tokenize.FIELDS.START_POS]); |
|
}; |
|
|
|
_proto.namespace = function namespace() { |
|
var before = this.prevToken && this.content(this.prevToken) || true; |
|
|
|
if (this.nextToken[_tokenize.FIELDS.TYPE] === tokens.word) { |
|
this.position++; |
|
return this.word(before); |
|
} else if (this.nextToken[_tokenize.FIELDS.TYPE] === tokens.asterisk) { |
|
this.position++; |
|
return this.universal(before); |
|
} |
|
}; |
|
|
|
_proto.nesting = function nesting() { |
|
if (this.nextToken) { |
|
var nextContent = this.content(this.nextToken); |
|
|
|
if (nextContent === "|") { |
|
this.position++; |
|
return; |
|
} |
|
} |
|
|
|
var current = this.currToken; |
|
this.newNode(new _nesting["default"]({ |
|
value: this.content(), |
|
source: getTokenSource(current), |
|
sourceIndex: current[_tokenize.FIELDS.START_POS] |
|
})); |
|
this.position++; |
|
}; |
|
|
|
_proto.parentheses = function parentheses() { |
|
var last = this.current.last; |
|
var unbalanced = 1; |
|
this.position++; |
|
|
|
if (last && last.type === types.PSEUDO) { |
|
var selector = new _selector["default"]({ |
|
source: { |
|
start: tokenStart(this.tokens[this.position - 1]) |
|
} |
|
}); |
|
var cache = this.current; |
|
last.append(selector); |
|
this.current = selector; |
|
|
|
while (this.position < this.tokens.length && unbalanced) { |
|
if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis) { |
|
unbalanced++; |
|
} |
|
|
|
if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.closeParenthesis) { |
|
unbalanced--; |
|
} |
|
|
|
if (unbalanced) { |
|
this.parse(); |
|
} else { |
|
this.current.source.end = tokenEnd(this.currToken); |
|
this.current.parent.source.end = tokenEnd(this.currToken); |
|
this.position++; |
|
} |
|
} |
|
|
|
this.current = cache; |
|
} else { |
|
// I think this case should be an error. It's used to implement a basic parse of media queries |
|
// but I don't think it's a good idea. |
|
var parenStart = this.currToken; |
|
var parenValue = "("; |
|
var parenEnd; |
|
|
|
while (this.position < this.tokens.length && unbalanced) { |
|
if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis) { |
|
unbalanced++; |
|
} |
|
|
|
if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.closeParenthesis) { |
|
unbalanced--; |
|
} |
|
|
|
parenEnd = this.currToken; |
|
parenValue += this.parseParenthesisToken(this.currToken); |
|
this.position++; |
|
} |
|
|
|
if (last) { |
|
last.appendToPropertyAndEscape("value", parenValue, parenValue); |
|
} else { |
|
this.newNode(new _string["default"]({ |
|
value: parenValue, |
|
source: getSource(parenStart[_tokenize.FIELDS.START_LINE], parenStart[_tokenize.FIELDS.START_COL], parenEnd[_tokenize.FIELDS.END_LINE], parenEnd[_tokenize.FIELDS.END_COL]), |
|
sourceIndex: parenStart[_tokenize.FIELDS.START_POS] |
|
})); |
|
} |
|
} |
|
|
|
if (unbalanced) { |
|
return this.expected('closing parenthesis', this.currToken[_tokenize.FIELDS.START_POS]); |
|
} |
|
}; |
|
|
|
_proto.pseudo = function pseudo() { |
|
var _this4 = this; |
|
|
|
var pseudoStr = ''; |
|
var startingToken = this.currToken; |
|
|
|
while (this.currToken && this.currToken[_tokenize.FIELDS.TYPE] === tokens.colon) { |
|
pseudoStr += this.content(); |
|
this.position++; |
|
} |
|
|
|
if (!this.currToken) { |
|
return this.expected(['pseudo-class', 'pseudo-element'], this.position - 1); |
|
} |
|
|
|
if (this.currToken[_tokenize.FIELDS.TYPE] === tokens.word) { |
|
this.splitWord(false, function (first, length) { |
|
pseudoStr += first; |
|
|
|
_this4.newNode(new _pseudo["default"]({ |
|
value: pseudoStr, |
|
source: getTokenSourceSpan(startingToken, _this4.currToken), |
|
sourceIndex: startingToken[_tokenize.FIELDS.START_POS] |
|
})); |
|
|
|
if (length > 1 && _this4.nextToken && _this4.nextToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis) { |
|
_this4.error('Misplaced parenthesis.', { |
|
index: _this4.nextToken[_tokenize.FIELDS.START_POS] |
|
}); |
|
} |
|
}); |
|
} else { |
|
return this.expected(['pseudo-class', 'pseudo-element'], this.currToken[_tokenize.FIELDS.START_POS]); |
|
} |
|
}; |
|
|
|
_proto.space = function space() { |
|
var content = this.content(); // Handle space before and after the selector |
|
|
|
if (this.position === 0 || this.prevToken[_tokenize.FIELDS.TYPE] === tokens.comma || this.prevToken[_tokenize.FIELDS.TYPE] === tokens.openParenthesis || this.current.nodes.every(function (node) { |
|
return node.type === 'comment'; |
|
})) { |
|
this.spaces = this.optionalSpace(content); |
|
this.position++; |
|
} else if (this.position === this.tokens.length - 1 || this.nextToken[_tokenize.FIELDS.TYPE] === tokens.comma || this.nextToken[_tokenize.FIELDS.TYPE] === tokens.closeParenthesis) { |
|
this.current.last.spaces.after = this.optionalSpace(content); |
|
this.position++; |
|
} else { |
|
this.combinator(); |
|
} |
|
}; |
|
|
|
_proto.string = function string() { |
|
var current = this.currToken; |
|
this.newNode(new _string["default"]({ |
|
value: this.content(), |
|
source: getTokenSource(current), |
|
sourceIndex: current[_tokenize.FIELDS.START_POS] |
|
})); |
|
this.position++; |
|
}; |
|
|
|
_proto.universal = function universal(namespace) { |
|
var nextToken = this.nextToken; |
|
|
|
if (nextToken && this.content(nextToken) === '|') { |
|
this.position++; |
|
return this.namespace(); |
|
} |
|
|
|
var current = this.currToken; |
|
this.newNode(new _universal["default"]({ |
|
value: this.content(), |
|
source: getTokenSource(current), |
|
sourceIndex: current[_tokenize.FIELDS.START_POS] |
|
}), namespace); |
|
this.position++; |
|
}; |
|
|
|
_proto.splitWord = function splitWord(namespace, firstCallback) { |
|
var _this5 = this; |
|
|
|
var nextToken = this.nextToken; |
|
var word = this.content(); |
|
|
|
while (nextToken && ~[tokens.dollar, tokens.caret, tokens.equals, tokens.word].indexOf(nextToken[_tokenize.FIELDS.TYPE])) { |
|
this.position++; |
|
var current = this.content(); |
|
word += current; |
|
|
|
if (current.lastIndexOf('\\') === current.length - 1) { |
|
var next = this.nextToken; |
|
|
|
if (next && next[_tokenize.FIELDS.TYPE] === tokens.space) { |
|
word += this.requiredSpace(this.content(next)); |
|
this.position++; |
|
} |
|
} |
|
|
|
nextToken = this.nextToken; |
|
} |
|
|
|
var hasClass = indexesOf(word, '.').filter(function (i) { |
|
return word[i - 1] !== '\\'; |
|
}); |
|
var hasId = indexesOf(word, '#').filter(function (i) { |
|
return word[i - 1] !== '\\'; |
|
}); // Eliminate Sass interpolations from the list of id indexes |
|
|
|
var interpolations = indexesOf(word, '#{'); |
|
|
|
if (interpolations.length) { |
|
hasId = hasId.filter(function (hashIndex) { |
|
return !~interpolations.indexOf(hashIndex); |
|
}); |
|
} |
|
|
|
var indices = (0, _sortAscending["default"])(uniqs([0].concat(hasClass, hasId))); |
|
indices.forEach(function (ind, i) { |
|
var index = indices[i + 1] || word.length; |
|
var value = word.slice(ind, index); |
|
|
|
if (i === 0 && firstCallback) { |
|
return firstCallback.call(_this5, value, indices.length); |
|
} |
|
|
|
var node; |
|
var current = _this5.currToken; |
|
var sourceIndex = current[_tokenize.FIELDS.START_POS] + indices[i]; |
|
var source = getSource(current[1], current[2] + ind, current[3], current[2] + (index - 1)); |
|
|
|
if (~hasClass.indexOf(ind)) { |
|
var classNameOpts = { |
|
value: value.slice(1), |
|
source: source, |
|
sourceIndex: sourceIndex |
|
}; |
|
node = new _className["default"](unescapeProp(classNameOpts, "value")); |
|
} else if (~hasId.indexOf(ind)) { |
|
var idOpts = { |
|
value: value.slice(1), |
|
source: source, |
|
sourceIndex: sourceIndex |
|
}; |
|
node = new _id["default"](unescapeProp(idOpts, "value")); |
|
} else { |
|
var tagOpts = { |
|
value: value, |
|
source: source, |
|
sourceIndex: sourceIndex |
|
}; |
|
unescapeProp(tagOpts, "value"); |
|
node = new _tag["default"](tagOpts); |
|
} |
|
|
|
_this5.newNode(node, namespace); // Ensure that the namespace is used only once |
|
|
|
|
|
namespace = null; |
|
}); |
|
this.position++; |
|
}; |
|
|
|
_proto.word = function word(namespace) { |
|
var nextToken = this.nextToken; |
|
|
|
if (nextToken && this.content(nextToken) === '|') { |
|
this.position++; |
|
return this.namespace(); |
|
} |
|
|
|
return this.splitWord(namespace); |
|
}; |
|
|
|
_proto.loop = function loop() { |
|
while (this.position < this.tokens.length) { |
|
this.parse(true); |
|
} |
|
|
|
this.current._inferEndPosition(); |
|
|
|
return this.root; |
|
}; |
|
|
|
_proto.parse = function parse(throwOnParenthesis) { |
|
switch (this.currToken[_tokenize.FIELDS.TYPE]) { |
|
case tokens.space: |
|
this.space(); |
|
break; |
|
|
|
case tokens.comment: |
|
this.comment(); |
|
break; |
|
|
|
case tokens.openParenthesis: |
|
this.parentheses(); |
|
break; |
|
|
|
case tokens.closeParenthesis: |
|
if (throwOnParenthesis) { |
|
this.missingParenthesis(); |
|
} |
|
|
|
break; |
|
|
|
case tokens.openSquare: |
|
this.attribute(); |
|
break; |
|
|
|
case tokens.dollar: |
|
case tokens.caret: |
|
case tokens.equals: |
|
case tokens.word: |
|
this.word(); |
|
break; |
|
|
|
case tokens.colon: |
|
this.pseudo(); |
|
break; |
|
|
|
case tokens.comma: |
|
this.comma(); |
|
break; |
|
|
|
case tokens.asterisk: |
|
this.universal(); |
|
break; |
|
|
|
case tokens.ampersand: |
|
this.nesting(); |
|
break; |
|
|
|
case tokens.slash: |
|
case tokens.combinator: |
|
this.combinator(); |
|
break; |
|
|
|
case tokens.str: |
|
this.string(); |
|
break; |
|
// These cases throw; no break needed. |
|
|
|
case tokens.closeSquare: |
|
this.missingSquareBracket(); |
|
|
|
case tokens.semicolon: |
|
this.missingBackslash(); |
|
|
|
default: |
|
this.unexpected(); |
|
} |
|
} |
|
/** |
|
* Helpers |
|
*/ |
|
; |
|
|
|
_proto.expected = function expected(description, index, found) { |
|
if (Array.isArray(description)) { |
|
var last = description.pop(); |
|
description = description.join(', ') + " or " + last; |
|
} |
|
|
|
var an = /^[aeiou]/.test(description[0]) ? 'an' : 'a'; |
|
|
|
if (!found) { |
|
return this.error("Expected " + an + " " + description + ".", { |
|
index: index |
|
}); |
|
} |
|
|
|
return this.error("Expected " + an + " " + description + ", found \"" + found + "\" instead.", { |
|
index: index |
|
}); |
|
}; |
|
|
|
_proto.requiredSpace = function requiredSpace(space) { |
|
return this.options.lossy ? ' ' : space; |
|
}; |
|
|
|
_proto.optionalSpace = function optionalSpace(space) { |
|
return this.options.lossy ? '' : space; |
|
}; |
|
|
|
_proto.lossySpace = function lossySpace(space, required) { |
|
if (this.options.lossy) { |
|
return required ? ' ' : ''; |
|
} else { |
|
return space; |
|
} |
|
}; |
|
|
|
_proto.parseParenthesisToken = function parseParenthesisToken(token) { |
|
var content = this.content(token); |
|
|
|
if (token[_tokenize.FIELDS.TYPE] === tokens.space) { |
|
return this.requiredSpace(content); |
|
} else { |
|
return content; |
|
} |
|
}; |
|
|
|
_proto.newNode = function newNode(node, namespace) { |
|
if (namespace) { |
|
if (/^ +$/.test(namespace)) { |
|
if (!this.options.lossy) { |
|
this.spaces = (this.spaces || '') + namespace; |
|
} |
|
|
|
namespace = true; |
|
} |
|
|
|
node.namespace = namespace; |
|
unescapeProp(node, "namespace"); |
|
} |
|
|
|
if (this.spaces) { |
|
node.spaces.before = this.spaces; |
|
this.spaces = ''; |
|
} |
|
|
|
return this.current.append(node); |
|
}; |
|
|
|
_proto.content = function content(token) { |
|
if (token === void 0) { |
|
token = this.currToken; |
|
} |
|
|
|
return this.css.slice(token[_tokenize.FIELDS.START_POS], token[_tokenize.FIELDS.END_POS]); |
|
}; |
|
|
|
/** |
|
* returns the index of the next non-whitespace, non-comment token. |
|
* returns -1 if no meaningful token is found. |
|
*/ |
|
_proto.locateNextMeaningfulToken = function locateNextMeaningfulToken(startPosition) { |
|
if (startPosition === void 0) { |
|
startPosition = this.position + 1; |
|
} |
|
|
|
var searchPosition = startPosition; |
|
|
|
while (searchPosition < this.tokens.length) { |
|
if (WHITESPACE_EQUIV_TOKENS[this.tokens[searchPosition][_tokenize.FIELDS.TYPE]]) { |
|
searchPosition++; |
|
continue; |
|
} else { |
|
return searchPosition; |
|
} |
|
} |
|
|
|
return -1; |
|
}; |
|
|
|
_createClass(Parser, [{ |
|
key: "currToken", |
|
get: function get() { |
|
return this.tokens[this.position]; |
|
} |
|
}, { |
|
key: "nextToken", |
|
get: function get() { |
|
return this.tokens[this.position + 1]; |
|
} |
|
}, { |
|
key: "prevToken", |
|
get: function get() { |
|
return this.tokens[this.position - 1]; |
|
} |
|
}]); |
|
|
|
return Parser; |
|
}(); |
|
|
|
exports["default"] = Parser; |
|
module.exports = exports.default; |