source: trip-planner-front/node_modules/autoprefixer/lib/supports.js@ 6a80231

Last change on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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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$/.test(n)) return _arrayLikeToArray(o, minLen); }
6
7function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
8
9var postcss = require('postcss');
10
11var data = require('caniuse-lite').feature(require('caniuse-lite/data/features/css-featurequeries.js'));
12
13var Browsers = require('./browsers');
14
15var brackets = require('./brackets');
16
17var Value = require('./value');
18
19var utils = require('./utils');
20
21var supported = [];
22
23for (var browser in data.stats) {
24 var versions = data.stats[browser];
25
26 for (var version in versions) {
27 var support = versions[version];
28
29 if (/y/.test(support)) {
30 supported.push(browser + ' ' + version);
31 }
32 }
33}
34
35var Supports = /*#__PURE__*/function () {
36 function Supports(Prefixes, all) {
37 this.Prefixes = Prefixes;
38 this.all = all;
39 }
40 /**
41 * Return prefixer only with @supports supported browsers
42 */
43
44
45 var _proto = Supports.prototype;
46
47 _proto.prefixer = function prefixer() {
48 if (this.prefixerCache) {
49 return this.prefixerCache;
50 }
51
52 var filtered = this.all.browsers.selected.filter(function (i) {
53 return supported.includes(i);
54 });
55 var browsers = new Browsers(this.all.browsers.data, filtered, this.all.options);
56 this.prefixerCache = new this.Prefixes(this.all.data, browsers, this.all.options);
57 return this.prefixerCache;
58 }
59 /**
60 * Parse string into declaration property and value
61 */
62 ;
63
64 _proto.parse = function parse(str) {
65 var parts = str.split(':');
66 var prop = parts[0];
67 var value = parts[1];
68 if (!value) value = '';
69 return [prop.trim(), value.trim()];
70 }
71 /**
72 * Create virtual rule to process it by prefixer
73 */
74 ;
75
76 _proto.virtual = function virtual(str) {
77 var _this$parse = this.parse(str),
78 prop = _this$parse[0],
79 value = _this$parse[1];
80
81 var rule = postcss.parse('a{}').first;
82 rule.append({
83 prop: prop,
84 value: value,
85 raws: {
86 before: ''
87 }
88 });
89 return rule;
90 }
91 /**
92 * Return array of Declaration with all necessary prefixes
93 */
94 ;
95
96 _proto.prefixed = function prefixed(str) {
97 var rule = this.virtual(str);
98
99 if (this.disabled(rule.first)) {
100 return rule.nodes;
101 }
102
103 var result = {
104 warn: function warn() {
105 return null;
106 }
107 };
108 var prefixer = this.prefixer().add[rule.first.prop];
109 prefixer && prefixer.process && prefixer.process(rule.first, result);
110
111 for (var _iterator = _createForOfIteratorHelperLoose(rule.nodes), _step; !(_step = _iterator()).done;) {
112 var decl = _step.value;
113
114 for (var _iterator2 = _createForOfIteratorHelperLoose(this.prefixer().values('add', rule.first.prop)), _step2; !(_step2 = _iterator2()).done;) {
115 var value = _step2.value;
116 value.process(decl);
117 }
118
119 Value.save(this.all, decl);
120 }
121
122 return rule.nodes;
123 }
124 /**
125 * Return true if brackets node is "not" word
126 */
127 ;
128
129 _proto.isNot = function isNot(node) {
130 return typeof node === 'string' && /not\s*/i.test(node);
131 }
132 /**
133 * Return true if brackets node is "or" word
134 */
135 ;
136
137 _proto.isOr = function isOr(node) {
138 return typeof node === 'string' && /\s*or\s*/i.test(node);
139 }
140 /**
141 * Return true if brackets node is (prop: value)
142 */
143 ;
144
145 _proto.isProp = function isProp(node) {
146 return typeof node === 'object' && node.length === 1 && typeof node[0] === 'string';
147 }
148 /**
149 * Return true if prefixed property has no unprefixed
150 */
151 ;
152
153 _proto.isHack = function isHack(all, unprefixed) {
154 var check = new RegExp("(\\(|\\s)" + utils.escapeRegexp(unprefixed) + ":");
155 return !check.test(all);
156 }
157 /**
158 * Return true if we need to remove node
159 */
160 ;
161
162 _proto.toRemove = function toRemove(str, all) {
163 var _this$parse2 = this.parse(str),
164 prop = _this$parse2[0],
165 value = _this$parse2[1];
166
167 var unprefixed = this.all.unprefixed(prop);
168 var cleaner = this.all.cleaner();
169
170 if (cleaner.remove[prop] && cleaner.remove[prop].remove && !this.isHack(all, unprefixed)) {
171 return true;
172 }
173
174 for (var _iterator3 = _createForOfIteratorHelperLoose(cleaner.values('remove', unprefixed)), _step3; !(_step3 = _iterator3()).done;) {
175 var checker = _step3.value;
176
177 if (checker.check(value)) {
178 return true;
179 }
180 }
181
182 return false;
183 }
184 /**
185 * Remove all unnecessary prefixes
186 */
187 ;
188
189 _proto.remove = function remove(nodes, all) {
190 var i = 0;
191
192 while (i < nodes.length) {
193 if (!this.isNot(nodes[i - 1]) && this.isProp(nodes[i]) && this.isOr(nodes[i + 1])) {
194 if (this.toRemove(nodes[i][0], all)) {
195 nodes.splice(i, 2);
196 continue;
197 }
198
199 i += 2;
200 continue;
201 }
202
203 if (typeof nodes[i] === 'object') {
204 nodes[i] = this.remove(nodes[i], all);
205 }
206
207 i += 1;
208 }
209
210 return nodes;
211 }
212 /**
213 * Clean brackets with one child
214 */
215 ;
216
217 _proto.cleanBrackets = function cleanBrackets(nodes) {
218 var _this = this;
219
220 return nodes.map(function (i) {
221 if (typeof i !== 'object') {
222 return i;
223 }
224
225 if (i.length === 1 && typeof i[0] === 'object') {
226 return _this.cleanBrackets(i[0]);
227 }
228
229 return _this.cleanBrackets(i);
230 });
231 }
232 /**
233 * Add " or " between properties and convert it to brackets format
234 */
235 ;
236
237 _proto.convert = function convert(progress) {
238 var result = [''];
239
240 for (var _iterator4 = _createForOfIteratorHelperLoose(progress), _step4; !(_step4 = _iterator4()).done;) {
241 var i = _step4.value;
242 result.push([i.prop + ": " + i.value]);
243 result.push(' or ');
244 }
245
246 result[result.length - 1] = '';
247 return result;
248 }
249 /**
250 * Compress value functions into a string nodes
251 */
252 ;
253
254 _proto.normalize = function normalize(nodes) {
255 var _this2 = this;
256
257 if (typeof nodes !== 'object') {
258 return nodes;
259 }
260
261 nodes = nodes.filter(function (i) {
262 return i !== '';
263 });
264
265 if (typeof nodes[0] === 'string' && nodes[0].includes(':')) {
266 return [brackets.stringify(nodes)];
267 }
268
269 return nodes.map(function (i) {
270 return _this2.normalize(i);
271 });
272 }
273 /**
274 * Add prefixes
275 */
276 ;
277
278 _proto.add = function add(nodes, all) {
279 var _this3 = this;
280
281 return nodes.map(function (i) {
282 if (_this3.isProp(i)) {
283 var prefixed = _this3.prefixed(i[0]);
284
285 if (prefixed.length > 1) {
286 return _this3.convert(prefixed);
287 }
288
289 return i;
290 }
291
292 if (typeof i === 'object') {
293 return _this3.add(i, all);
294 }
295
296 return i;
297 });
298 }
299 /**
300 * Add prefixed declaration
301 */
302 ;
303
304 _proto.process = function process(rule) {
305 var ast = brackets.parse(rule.params);
306 ast = this.normalize(ast);
307 ast = this.remove(ast, rule.params);
308 ast = this.add(ast, rule.params);
309 ast = this.cleanBrackets(ast);
310 rule.params = brackets.stringify(ast);
311 }
312 /**
313 * Check global options
314 */
315 ;
316
317 _proto.disabled = function disabled(node) {
318 if (!this.all.options.grid) {
319 if (node.prop === 'display' && node.value.includes('grid')) {
320 return true;
321 }
322
323 if (node.prop.includes('grid') || node.prop === 'justify-items') {
324 return true;
325 }
326 }
327
328 if (this.all.options.flexbox === false) {
329 if (node.prop === 'display' && node.value.includes('flex')) {
330 return true;
331 }
332
333 var other = ['order', 'justify-content', 'align-items', 'align-content'];
334
335 if (node.prop.includes('flex') || other.includes(node.prop)) {
336 return true;
337 }
338 }
339
340 return false;
341 };
342
343 return Supports;
344}();
345
346module.exports = Supports;
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