source: trip-planner-front/node_modules/autoprefixer/lib/brackets.js@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.3 KB
Line 
1"use strict";
2
3function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }
4
5function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
6
7function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
8
9function last(array) {
10 return array[array.length - 1];
11}
12
13var brackets = {
14 /**
15 * Parse string to nodes tree
16 */
17 parse: function parse(str) {
18 var current = [''];
19 var stack = [current];
20
21 for (var _iterator = _createForOfIteratorHelperLoose(str), _step; !(_step = _iterator()).done;) {
22 var sym = _step.value;
23
24 if (sym === '(') {
25 current = [''];
26 last(stack).push(current);
27 stack.push(current);
28 continue;
29 }
30
31 if (sym === ')') {
32 stack.pop();
33 current = last(stack);
34 current.push('');
35 continue;
36 }
37
38 current[current.length - 1] += sym;
39 }
40
41 return stack[0];
42 },
43
44 /**
45 * Generate output string by nodes tree
46 */
47 stringify: function stringify(ast) {
48 var result = '';
49
50 for (var _iterator2 = _createForOfIteratorHelperLoose(ast), _step2; !(_step2 = _iterator2()).done;) {
51 var i = _step2.value;
52
53 if (typeof i === 'object') {
54 result += "(" + brackets.stringify(i) + ")";
55 continue;
56 }
57
58 result += i;
59 }
60
61 return result;
62 }
63};
64module.exports = brackets;
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