diff options
Diffstat (limited to 'node_modules/postcss-selector-parser/dist/parser.js')
| -rw-r--r-- | node_modules/postcss-selector-parser/dist/parser.js | 643 |
1 files changed, 643 insertions, 0 deletions
diff --git a/node_modules/postcss-selector-parser/dist/parser.js b/node_modules/postcss-selector-parser/dist/parser.js new file mode 100644 index 00000000..18beadbb --- /dev/null +++ b/node_modules/postcss-selector-parser/dist/parser.js @@ -0,0 +1,643 @@ +'use strict'; + +exports.__esModule = true; + +var _createClass = function () { 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +var _flatten = require('flatten'); + +var _flatten2 = _interopRequireDefault(_flatten); + +var _indexesOf = require('indexes-of'); + +var _indexesOf2 = _interopRequireDefault(_indexesOf); + +var _uniq = require('uniq'); + +var _uniq2 = _interopRequireDefault(_uniq); + +var _root = require('./selectors/root'); + +var _root2 = _interopRequireDefault(_root); + +var _selector = require('./selectors/selector'); + +var _selector2 = _interopRequireDefault(_selector); + +var _className = require('./selectors/className'); + +var _className2 = _interopRequireDefault(_className); + +var _comment = require('./selectors/comment'); + +var _comment2 = _interopRequireDefault(_comment); + +var _id = require('./selectors/id'); + +var _id2 = _interopRequireDefault(_id); + +var _tag = require('./selectors/tag'); + +var _tag2 = _interopRequireDefault(_tag); + +var _string = require('./selectors/string'); + +var _string2 = _interopRequireDefault(_string); + +var _pseudo = require('./selectors/pseudo'); + +var _pseudo2 = _interopRequireDefault(_pseudo); + +var _attribute = require('./selectors/attribute'); + +var _attribute2 = _interopRequireDefault(_attribute); + +var _universal = require('./selectors/universal'); + +var _universal2 = _interopRequireDefault(_universal); + +var _combinator = require('./selectors/combinator'); + +var _combinator2 = _interopRequireDefault(_combinator); + +var _nesting = require('./selectors/nesting'); + +var _nesting2 = _interopRequireDefault(_nesting); + +var _sortAscending = require('./sortAscending'); + +var _sortAscending2 = _interopRequireDefault(_sortAscending); + +var _tokenize = require('./tokenize'); + +var _tokenize2 = _interopRequireDefault(_tokenize); + +var _types = require('./selectors/types'); + +var types = _interopRequireWildcard(_types); + +function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var Parser = function () { + function Parser(input) { + _classCallCheck(this, Parser); + + this.input = input; + this.lossy = input.options.lossless === false; + this.position = 0; + this.root = new _root2.default(); + + var selectors = new _selector2.default(); + this.root.append(selectors); + + this.current = selectors; + if (this.lossy) { + this.tokens = (0, _tokenize2.default)({ safe: input.safe, css: input.css.trim() }); + } else { + this.tokens = (0, _tokenize2.default)(input); + } + + return this.loop(); + } + + Parser.prototype.attribute = function attribute() { + var str = ''; + var attr = void 0; + var startingToken = this.currToken; + this.position++; + while (this.position < this.tokens.length && this.currToken[0] !== ']') { + str += this.tokens[this.position][1]; + this.position++; + } + if (this.position === this.tokens.length && !~str.indexOf(']')) { + this.error('Expected a closing square bracket.'); + } + var parts = str.split(/((?:[*~^$|]?=))([^]*)/); + var namespace = parts[0].split(/(\|)/g); + var attributeProps = { + operator: parts[1], + value: parts[2], + source: { + start: { + line: startingToken[2], + column: startingToken[3] + }, + end: { + line: this.currToken[2], + column: this.currToken[3] + } + }, + sourceIndex: startingToken[4] + }; + if (namespace.length > 1) { + if (namespace[0] === '') { + namespace[0] = true; + } + attributeProps.attribute = this.parseValue(namespace[2]); + attributeProps.namespace = this.parseNamespace(namespace[0]); + } else { + attributeProps.attribute = this.parseValue(parts[0]); + } + attr = new _attribute2.default(attributeProps); + + if (parts[2]) { + var insensitive = parts[2].split(/(\s+i\s*?)$/); + var trimmedValue = insensitive[0].trim(); + attr.value = this.lossy ? trimmedValue : insensitive[0]; + if (insensitive[1]) { + attr.insensitive = true; + if (!this.lossy) { + attr.raws.insensitive = insensitive[1]; + } + } + attr.quoted = trimmedValue[0] === '\'' || trimmedValue[0] === '"'; + attr.raws.unquoted = attr.quoted ? trimmedValue.slice(1, -1) : trimmedValue; + } + this.newNode(attr); + this.position++; + }; + + Parser.prototype.combinator = function combinator() { + if (this.currToken[1] === '|') { + return this.namespace(); + } + var node = new _combinator2.default({ + value: '', + source: { + start: { + line: this.currToken[2], + column: this.currToken[3] + }, + end: { + line: this.currToken[2], + column: this.currToken[3] + } + }, + sourceIndex: this.currToken[4] + }); + while (this.position < this.tokens.length && this.currToken && (this.currToken[0] === 'space' || this.currToken[0] === 'combinator')) { + if (this.nextToken && this.nextToken[0] === 'combinator') { + node.spaces.before = this.parseSpace(this.currToken[1]); + node.source.start.line = this.nextToken[2]; + node.source.start.column = this.nextToken[3]; + node.source.end.column = this.nextToken[3]; + node.source.end.line = this.nextToken[2]; + node.sourceIndex = this.nextToken[4]; + } else if (this.prevToken && this.prevToken[0] === 'combinator') { + node.spaces.after = this.parseSpace(this.currToken[1]); + } else if (this.currToken[0] === 'combinator') { + node.value = this.currToken[1]; + } else if (this.currToken[0] === 'space') { + node.value = this.parseSpace(this.currToken[1], ' '); + } + this.position++; + } + return this.newNode(node); + }; + + Parser.prototype.comma = function comma() { + if (this.position === this.tokens.length - 1) { + this.root.trailingComma = true; + this.position++; + return; + } + var selectors = new _selector2.default(); + this.current.parent.append(selectors); + this.current = selectors; + this.position++; + }; + + Parser.prototype.comment = function comment() { + var node = new _comment2.default({ + value: this.currToken[1], + source: { + start: { + line: this.currToken[2], + column: this.currToken[3] + }, + end: { + line: this.currToken[4], + column: this.currToken[5] + } + }, + sourceIndex: this.currToken[6] + }); + this.newNode(node); + this.position++; + }; + + Parser.prototype.error = function error(message) { + throw new this.input.error(message); // eslint-disable-line new-cap + }; + + Parser.prototype.missingBackslash = function missingBackslash() { + return this.error('Expected a backslash preceding the semicolon.'); + }; + + Parser.prototype.missingParenthesis = function missingParenthesis() { + return this.error('Expected opening parenthesis.'); + }; + + Parser.prototype.missingSquareBracket = function missingSquareBracket() { + return this.error('Expected opening square bracket.'); + }; + + Parser.prototype.namespace = function namespace() { + var before = this.prevToken && this.prevToken[1] || true; + if (this.nextToken[0] === 'word') { + this.position++; + return this.word(before); + } else if (this.nextToken[0] === '*') { + this.position++; + return this.universal(before); + } + }; + + Parser.prototype.nesting = function nesting() { + this.newNode(new _nesting2.default({ + value: this.currToken[1], + source: { + start: { + line: this.currToken[2], + column: this.currToken[3] + }, + end: { + line: this.currToken[2], + column: this.currToken[3] + } + }, + sourceIndex: this.currToken[4] + })); + this.position++; + }; + + Parser.prototype.parentheses = function parentheses() { + var last = this.current.last; + if (last && last.type === types.PSEUDO) { + var selector = new _selector2.default(); + var cache = this.current; + last.append(selector); + this.current = selector; + var balanced = 1; + this.position++; + while (this.position < this.tokens.length && balanced) { + if (this.currToken[0] === '(') { + balanced++; + } + if (this.currToken[0] === ')') { + balanced--; + } + if (balanced) { + this.parse(); + } else { + selector.parent.source.end.line = this.currToken[2]; + selector.parent.source.end.column = this.currToken[3]; + this.position++; + } + } + if (balanced) { + this.error('Expected closing parenthesis.'); + } + this.current = cache; + } else { + var _balanced = 1; + this.position++; + last.value += '('; + while (this.position < this.tokens.length && _balanced) { + if (this.currToken[0] === '(') { + _balanced++; + } + if (this.currToken[0] === ')') { + _balanced--; + } + last.value += this.parseParenthesisToken(this.currToken); + this.position++; + } + if (_balanced) { + this.error('Expected closing parenthesis.'); + } + } + }; + + Parser.prototype.pseudo = function pseudo() { + var _this = this; + + var pseudoStr = ''; + var startingToken = this.currToken; + while (this.currToken && this.currToken[0] === ':') { + pseudoStr += this.currToken[1]; + this.position++; + } + if (!this.currToken) { + return this.error('Expected pseudo-class or pseudo-element'); + } + if (this.currToken[0] === 'word') { + var pseudo = void 0; + this.splitWord(false, function (first, length) { + pseudoStr += first; + pseudo = new _pseudo2.default({ + value: pseudoStr, + source: { + start: { + line: startingToken[2], + column: startingToken[3] + }, + end: { + line: _this.currToken[4], + column: _this.currToken[5] + } + }, + sourceIndex: startingToken[4] + }); + _this.newNode(pseudo); + if (length > 1 && _this.nextToken && _this.nextToken[0] === '(') { + _this.error('Misplaced parenthesis.'); + } + }); + } else { + this.error('Unexpected "' + this.currToken[0] + '" found.'); + } + }; + + Parser.prototype.space = function space() { + var token = this.currToken; + // Handle space before and after the selector + if (this.position === 0 || this.prevToken[0] === ',' || this.prevToken[0] === '(') { + this.spaces = this.parseSpace(token[1]); + this.position++; + } else if (this.position === this.tokens.length - 1 || this.nextToken[0] === ',' || this.nextToken[0] === ')') { + this.current.last.spaces.after = this.parseSpace(token[1]); + this.position++; + } else { + this.combinator(); + } + }; + + Parser.prototype.string = function string() { + var token = this.currToken; + this.newNode(new _string2.default({ + value: this.currToken[1], + source: { + start: { + line: token[2], + column: token[3] + }, + end: { + line: token[4], + column: token[5] + } + }, + sourceIndex: token[6] + })); + this.position++; + }; + + Parser.prototype.universal = function universal(namespace) { + var nextToken = this.nextToken; + if (nextToken && nextToken[1] === '|') { + this.position++; + return this.namespace(); + } + this.newNode(new _universal2.default({ + value: this.currToken[1], + source: { + start: { + line: this.currToken[2], + column: this.currToken[3] + }, + end: { + line: this.currToken[2], + column: this.currToken[3] + } + }, + sourceIndex: this.currToken[4] + }), namespace); + this.position++; + }; + + Parser.prototype.splitWord = function splitWord(namespace, firstCallback) { + var _this2 = this; + + var nextToken = this.nextToken; + var word = this.currToken[1]; + while (nextToken && nextToken[0] === 'word') { + this.position++; + var current = this.currToken[1]; + word += current; + if (current.lastIndexOf('\\') === current.length - 1) { + var next = this.nextToken; + if (next && next[0] === 'space') { + word += this.parseSpace(next[1], ' '); + this.position++; + } + } + nextToken = this.nextToken; + } + var hasClass = (0, _indexesOf2.default)(word, '.'); + var hasId = (0, _indexesOf2.default)(word, '#'); + // Eliminate Sass interpolations from the list of id indexes + var interpolations = (0, _indexesOf2.default)(word, '#{'); + if (interpolations.length) { + hasId = hasId.filter(function (hashIndex) { + return !~interpolations.indexOf(hashIndex); + }); + } + var indices = (0, _sortAscending2.default)((0, _uniq2.default)((0, _flatten2.default)([[0], 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(_this2, value, indices.length); + } + var node = void 0; + if (~hasClass.indexOf(ind)) { + node = new _className2.default({ + value: value.slice(1), + source: { + start: { + line: _this2.currToken[2], + column: _this2.currToken[3] + ind + }, + end: { + line: _this2.currToken[4], + column: _this2.currToken[3] + (index - 1) + } + }, + sourceIndex: _this2.currToken[6] + indices[i] + }); + } else if (~hasId.indexOf(ind)) { + node = new _id2.default({ + value: value.slice(1), + source: { + start: { + line: _this2.currToken[2], + column: _this2.currToken[3] + ind + }, + end: { + line: _this2.currToken[4], + column: _this2.currToken[3] + (index - 1) + } + }, + sourceIndex: _this2.currToken[6] + indices[i] + }); + } else { + node = new _tag2.default({ + value: value, + source: { + start: { + line: _this2.currToken[2], + column: _this2.currToken[3] + ind + }, + end: { + line: _this2.currToken[4], + column: _this2.currToken[3] + (index - 1) + } + }, + sourceIndex: _this2.currToken[6] + indices[i] + }); + } + _this2.newNode(node, namespace); + }); + this.position++; + }; + + Parser.prototype.word = function word(namespace) { + var nextToken = this.nextToken; + if (nextToken && nextToken[1] === '|') { + this.position++; + return this.namespace(); + } + return this.splitWord(namespace); + }; + + Parser.prototype.loop = function loop() { + while (this.position < this.tokens.length) { + this.parse(true); + } + return this.root; + }; + + Parser.prototype.parse = function parse(throwOnParenthesis) { + switch (this.currToken[0]) { + case 'space': + this.space(); + break; + case 'comment': + this.comment(); + break; + case '(': + this.parentheses(); + break; + case ')': + if (throwOnParenthesis) { + this.missingParenthesis(); + } + break; + case '[': + this.attribute(); + break; + case ']': + this.missingSquareBracket(); + break; + case 'at-word': + case 'word': + this.word(); + break; + case ':': + this.pseudo(); + break; + case ';': + this.missingBackslash(); + break; + case ',': + this.comma(); + break; + case '*': + this.universal(); + break; + case '&': + this.nesting(); + break; + case 'combinator': + this.combinator(); + break; + case 'string': + this.string(); + break; + } + }; + + /** + * Helpers + */ + + Parser.prototype.parseNamespace = function parseNamespace(namespace) { + if (this.lossy && typeof namespace === 'string') { + var trimmed = namespace.trim(); + if (!trimmed.length) { + return true; + } + + return trimmed; + } + + return namespace; + }; + + Parser.prototype.parseSpace = function parseSpace(space, replacement) { + return this.lossy ? replacement || '' : space; + }; + + Parser.prototype.parseValue = function parseValue(value) { + return this.lossy && value && typeof value === 'string' ? value.trim() : value; + }; + + Parser.prototype.parseParenthesisToken = function parseParenthesisToken(token) { + if (!this.lossy) { + return token[1]; + } + + if (token[0] === 'space') { + return this.parseSpace(token[1], ' '); + } + + return this.parseValue(token[1]); + }; + + Parser.prototype.newNode = function newNode(node, namespace) { + if (namespace) { + node.namespace = this.parseNamespace(namespace); + } + if (this.spaces) { + node.spaces.before = this.spaces; + this.spaces = ''; + } + return this.current.append(node); + }; + + _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'];
\ No newline at end of file |