--- /dev/null
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+ value: 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 _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };
+
+var _comment = require('postcss/lib/comment');
+
+var _comment2 = _interopRequireDefault(_comment);
+
+var _import2 = require('./import');
+
+var _import3 = _interopRequireDefault(_import2);
+
+var _parser = require('postcss/lib/parser');
+
+var _parser2 = _interopRequireDefault(_parser);
+
+var _rule = require('./rule');
+
+var _rule2 = _interopRequireDefault(_rule);
+
+var _root = require('./root');
+
+var _root2 = _interopRequireDefault(_root);
+
+var _findExtendRule = require('./find-extend-rule');
+
+var _findExtendRule2 = _interopRequireDefault(_findExtendRule);
+
+var _isMixinToken = require('./is-mixin-token');
+
+var _isMixinToken2 = _interopRequireDefault(_isMixinToken);
+
+var _lessTokenize = require('./less-tokenize');
+
+var _lessTokenize2 = _interopRequireDefault(_lessTokenize);
+
+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"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var blockCommentEndPattern = /\*\/$/;
+
+var LessParser = function (_Parser) {
+ _inherits(LessParser, _Parser);
+
+ function LessParser(input) {
+ _classCallCheck(this, LessParser);
+
+ var _this = _possibleConstructorReturn(this, (LessParser.__proto__ || Object.getPrototypeOf(LessParser)).call(this, input));
+
+ _this.root = new _root2.default();
+ _this.current = _this.root;
+ _this.root.source = { input: input, start: { line: 1, column: 1 } };
+ return _this;
+ }
+
+ _createClass(LessParser, [{
+ key: 'atrule',
+ value: function atrule(token) {
+ if (token[1] === '@import') {
+ this.import(token);
+ } else {
+ _get(LessParser.prototype.__proto__ || Object.getPrototypeOf(LessParser.prototype), 'atrule', this).call(this, token);
+ }
+ }
+ }, {
+ key: 'comment',
+ value: function comment(token) {
+ var node = new _comment2.default();
+ var content = token[1];
+ var text = content.slice(2).replace(blockCommentEndPattern, '');
+
+ this.init(node, token[2], token[3]);
+ node.source.end = {
+ line: token[4],
+ column: token[5]
+ };
+
+ node.raws.content = content;
+ node.raws.begin = content[0] + content[1];
+ node.inline = token[6] === 'inline';
+ node.block = !node.inline;
+
+ if (/^\s*$/.test(text)) {
+ node.text = '';
+ node.raws.left = text;
+ node.raws.right = '';
+ } else {
+ var match = text.match(/^(\s*)([^]*[^\s])(\s*)$/);
+
+ node.text = match[2];
+
+ // Add extra spaces to generate a comment in a common style /*[space][text][space]*/
+ node.raws.left = match[1] || ' ';
+ node.raws.right = match[3] || ' ';
+ }
+ }
+
+ /**
+ * @description Create a Declaration
+ * @param options {{start: number}}
+ */
+
+ }, {
+ key: 'createDeclaration',
+ value: function createDeclaration(options) {
+ this.decl(this.tokens.slice(options.start, this.pos + 1));
+ }
+
+ /**
+ * @description Create a Rule node
+ * @param options {{start: number, params: Array}}
+ */
+
+ }, {
+ key: 'createRule',
+ value: function createRule(options) {
+
+ var semi = this.tokens[this.pos][0] === ';';
+ var end = this.pos + (options.empty && semi ? 2 : 1);
+ var tokens = this.tokens.slice(options.start, end);
+ var node = this.rule(tokens);
+
+ /**
+ * By default in PostCSS `Rule.params` is `undefined`.
+ * To preserve compability with PostCSS:
+ * - Don't set empty params for a Rule.
+ * - Set params for a Rule only if it can be a mixin or &:extend rule.
+ */
+ if (options.params[0] && (options.mixin || options.extend)) {
+ this.raw(node, 'params', options.params);
+ }
+
+ if (options.empty) {
+ // if it's an empty mixin or extend, it must have a semicolon
+ // (that's the only way we get to this point)
+ if (semi) {
+ node.raws.semicolon = this.semicolon = true;
+ node.selector = node.selector.replace(/;$/, '');
+ }
+
+ if (options.extend) {
+ node.extend = true;
+ }
+
+ if (options.mixin) {
+ node.mixin = true;
+ }
+
+ /**
+ * @description Mark mixin without declarations.
+ * @type {boolean}
+ */
+ node.empty = true;
+
+ // eslint-disable-next-line
+ delete this.current.nodes;
+
+ if (/!\s*important/i.test(node.selector)) {
+ node.important = true;
+
+ if (/\s*!\s*important/i.test(node.selector)) {
+ node.raws.important = node.selector.match(/(\s*!\s*important)/i)[1];
+ }
+
+ node.selector = node.selector.replace(/\s*!\s*important/i, '');
+ }
+
+ // rules don't have trailing semicolons in vanilla css, so they get
+ // added to this.spaces by the parser loop, so don't step back.
+ if (!semi) {
+ this.pos--;
+ }
+
+ this.end(this.tokens[this.pos]);
+ }
+ }
+ }, {
+ key: 'end',
+ value: function end(token) {
+ var node = this.current;
+
+ // if a Rule contains other Rules (mixins, extends) and those have
+ // semicolons, assert that the parent Rule has a semicolon
+ if (node.nodes && node.nodes.length && node.last.raws.semicolon && !node.last.nodes) {
+ this.semicolon = true;
+ }
+
+ _get(LessParser.prototype.__proto__ || Object.getPrototypeOf(LessParser.prototype), 'end', this).call(this, token);
+ }
+ }, {
+ key: 'import',
+ value: function _import(token) {
+ /* eslint complexity: 0 */
+ var last = false,
+ open = false,
+ end = { line: 0, column: 0 };
+
+ var directives = [];
+ var node = new _import3.default();
+
+ node.name = token[1].slice(1);
+
+ this.init(node, token[2], token[3]);
+
+ this.pos += 1;
+
+ while (this.pos < this.tokens.length) {
+ var tokn = this.tokens[this.pos];
+
+ if (tokn[0] === ';') {
+ end = { line: tokn[2], column: tokn[3] };
+ node.raws.semicolon = true;
+ break;
+ } else if (tokn[0] === '{') {
+ open = true;
+ break;
+ } else if (tokn[0] === '}') {
+ this.end(tokn);
+ break;
+ } else if (tokn[0] === 'brackets') {
+ if (node.urlFunc) {
+ node.importPath = tokn[1].replace(/[()]/g, '');
+ } else {
+ directives.push(tokn);
+ }
+ } else if (tokn[0] === 'space') {
+ if (directives.length) {
+ node.raws.between = tokn[1];
+ } else if (node.urlFunc) {
+ node.raws.beforeUrl = tokn[1];
+ } else if (node.importPath) {
+ if (node.urlFunc) {
+ node.raws.afterUrl = tokn[1];
+ } else {
+ node.raws.after = tokn[1];
+ }
+ } else {
+ node.raws.afterName = tokn[1];
+ }
+ } else if (tokn[0] === 'word' && tokn[1] === 'url') {
+ node.urlFunc = true;
+ } else {
+ if (tokn[0] !== '(' && tokn[0] !== ')') {
+ node.importPath = tokn[1];
+ }
+ }
+
+ if (this.pos === this.tokens.length) {
+ last = true;
+ break;
+ }
+
+ this.pos += 1;
+ }
+
+ if (node.raws.between && !node.raws.afterName) {
+ node.raws.afterName = node.raws.between;
+ node.raws.between = '';
+ }
+
+ node.source.end = end;
+
+ if (directives.length) {
+ this.raw(node, 'directives', directives);
+
+ if (last) {
+ token = directives[directives.length - 1];
+ node.source.end = { line: token[4], column: token[5] };
+ this.spaces = node.raws.between;
+ node.raws.between = '';
+ }
+ } else {
+ node.directives = '';
+ }
+
+ if (open) {
+ node.nodes = [];
+ this.current = node;
+ }
+ }
+
+ /* eslint-disable max-statements, complexity */
+
+ }, {
+ key: 'other',
+ value: function other() {
+ var brackets = [];
+ var params = [];
+ var start = this.pos;
+
+ var end = false,
+ colon = false,
+ bracket = null;
+
+ // we need pass "()" as spaces
+ // However we can override method Parser.loop, but it seems less maintainable
+ if (this.tokens[start][0] === 'brackets') {
+ this.spaces += this.tokens[start][1];
+ return;
+ }
+
+ var mixin = (0, _isMixinToken2.default)(this.tokens[start]);
+ var extend = Boolean((0, _findExtendRule2.default)(this.tokens, start));
+
+ while (this.pos < this.tokens.length) {
+ var token = this.tokens[this.pos];
+ var type = token[0];
+
+ if (type === '(' || type === '[') {
+ if (!bracket) {
+ bracket = token;
+ }
+
+ brackets.push(type === '(' ? ')' : ']');
+ } else if (brackets.length === 0) {
+ if (type === ';') {
+ var foundEndOfRule = this.ruleEnd({
+ start: start,
+ params: params,
+ colon: colon,
+ mixin: mixin,
+ extend: extend
+ });
+
+ if (foundEndOfRule) {
+ return;
+ }
+
+ break;
+ } else if (type === '{') {
+ this.createRule({ start: start, params: params, mixin: mixin });
+ return;
+ } else if (type === '}') {
+ this.pos -= 1;
+ end = true;
+ break;
+ } else if (type === ':') {
+ colon = true;
+ }
+ } else if (type === brackets[brackets.length - 1]) {
+ brackets.pop();
+ if (brackets.length === 0) {
+ bracket = null;
+ }
+ }
+
+ // we don't want to add params for pseudo-selectors that utilize parens (#56)
+ // if ((extend || !colon) && (brackets.length > 0 || type === 'brackets' || params[0])) {
+ // params.push(token);
+ // }
+
+ // we don't want to add params for pseudo-selectors that utilize parens (#56) or bracket selectors (#96)
+ if ((extend || !colon) && (brackets.length > 0 || type === 'brackets' || params[0]) && brackets[0] !== ']') {
+ params.push(token);
+ }
+
+ this.pos += 1;
+ }
+
+ if (this.pos === this.tokens.length) {
+ this.pos -= 1;
+ end = true;
+ }
+
+ if (brackets.length > 0) {
+ this.unclosedBracket(bracket);
+ }
+
+ // dont process an end of rule if there's only one token and it's unknown (#64)
+ if (end && this.tokens.length > 1) {
+ // Handle the case where the there is only a single token in the end rule.
+ if (start === this.pos) {
+ this.pos += 1;
+ }
+
+ var _foundEndOfRule = this.ruleEnd({
+ start: start,
+ params: params,
+ colon: colon,
+ mixin: mixin,
+ extend: extend,
+ isEndOfBlock: true
+ });
+
+ if (_foundEndOfRule) {
+ return;
+ }
+ }
+
+ this.unknownWord(start);
+ }
+ }, {
+ key: 'rule',
+ value: function rule(tokens) {
+ tokens.pop();
+
+ var node = new _rule2.default();
+
+ this.init(node, tokens[0][2], tokens[0][3]);
+
+ //node.raws.between = this.spacesFromEnd(tokens);
+ node.raws.between = this.spacesAndCommentsFromEnd(tokens);
+
+ this.raw(node, 'selector', tokens);
+ this.current = node;
+
+ return node;
+ }
+ }, {
+ key: 'ruleEnd',
+ value: function ruleEnd(options) {
+ var start = options.start;
+
+
+ if (options.extend || options.mixin) {
+ this.createRule(Object.assign(options, { empty: true }));
+ return true;
+ }
+
+ if (options.colon) {
+ if (options.isEndOfBlock) {
+ while (this.pos > start) {
+ var token = this.tokens[this.pos][0];
+
+ if (token !== 'space' && token !== 'comment') {
+ break;
+ }
+
+ this.pos -= 1;
+ }
+ }
+
+ this.createDeclaration({ start: start });
+ return true;
+ }
+
+ return false;
+ }
+ }, {
+ key: 'tokenize',
+ value: function tokenize() {
+ this.tokens = (0, _lessTokenize2.default)(this.input);
+ }
+
+ /* eslint-enable max-statements, complexity */
+
+ }]);
+
+ return LessParser;
+}(_parser2.default);
+
+exports.default = LessParser;
+module.exports = exports['default'];
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