3 var list = require('postcss').list;
8 * Throw special error, to tell beniary,
9 * that this error is from Autoprefixer.
11 error: function error(text) {
12 var err = new Error(text);
13 err.autoprefixer = true;
19 * Return array, that doesn’t contain duplicates.
21 uniq: function uniq(array) {
23 for (var _iterator = array, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
27 if (_i >= _iterator.length) break;
28 _ref = _iterator[_i++];
30 _i = _iterator.next();
37 if (filtered.indexOf(i) === -1) {
46 * Return "-webkit-" on "-webkit- old"
48 removeNote: function removeNote(string) {
49 if (string.indexOf(' ') === -1) {
53 return string.split(' ')[0];
58 * Escape RegExp symbols
60 escapeRegexp: function escapeRegexp(string) {
61 return string.replace(/[.?*+\^\$\[\]\\(){}|\-]/g, '\\$&');
66 * Return regexp to check, that CSS string contain word
68 regexp: function regexp(word) {
69 var escape = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
72 word = this.escapeRegexp(word);
74 return new RegExp('(^|[\\s,(])(' + word + '($|[\\s(,]))', 'gi');
81 editList: function editList(value, callback) {
82 var origin = list.comma(value);
83 var changed = callback(origin, []);
85 if (origin === changed) {
89 var join = value.match(/,\s*/);
90 join = join ? join[0] : ', ';
91 return changed.join(join);