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

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

initial commit

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1"use strict";
2
3function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
4
5function _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); }
6
7function _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); }
8
9function _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; }
10
11function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
12
13function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
14
15function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
16
17var parser = require('postcss-value-parser');
18
19var range = require('normalize-range');
20
21var OldValue = require('../old-value');
22
23var Value = require('../value');
24
25var utils = require('../utils');
26
27var IS_DIRECTION = /top|left|right|bottom/gi;
28
29var Gradient = /*#__PURE__*/function (_Value) {
30 _inheritsLoose(Gradient, _Value);
31
32 function Gradient() {
33 var _this;
34
35 for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
36 args[_key] = arguments[_key];
37 }
38
39 _this = _Value.call.apply(_Value, [this].concat(args)) || this;
40
41 _defineProperty(_assertThisInitialized(_this), "directions", {
42 top: 'bottom',
43 left: 'right',
44 bottom: 'top',
45 right: 'left'
46 });
47
48 _defineProperty(_assertThisInitialized(_this), "oldDirections", {
49 'top': 'left bottom, left top',
50 'left': 'right top, left top',
51 'bottom': 'left top, left bottom',
52 'right': 'left top, right top',
53 'top right': 'left bottom, right top',
54 'top left': 'right bottom, left top',
55 'right top': 'left bottom, right top',
56 'right bottom': 'left top, right bottom',
57 'bottom right': 'left top, right bottom',
58 'bottom left': 'right top, left bottom',
59 'left top': 'right bottom, left top',
60 'left bottom': 'right top, left bottom'
61 });
62
63 return _this;
64 }
65
66 var _proto = Gradient.prototype;
67
68 /**
69 * Change degrees for webkit prefix
70 */
71 _proto.replace = function replace(string, prefix) {
72 var ast = parser(string);
73
74 for (var _iterator = _createForOfIteratorHelperLoose(ast.nodes), _step; !(_step = _iterator()).done;) {
75 var node = _step.value;
76
77 if (node.type === 'function' && node.value === this.name) {
78 node.nodes = this.newDirection(node.nodes);
79 node.nodes = this.normalize(node.nodes);
80
81 if (prefix === '-webkit- old') {
82 var changes = this.oldWebkit(node);
83
84 if (!changes) {
85 return false;
86 }
87 } else {
88 node.nodes = this.convertDirection(node.nodes);
89 node.value = prefix + node.value;
90 }
91 }
92 }
93
94 return ast.toString();
95 }
96 /**
97 * Replace first token
98 */
99 ;
100
101 _proto.replaceFirst = function replaceFirst(params) {
102 for (var _len2 = arguments.length, words = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
103 words[_key2 - 1] = arguments[_key2];
104 }
105
106 var prefix = words.map(function (i) {
107 if (i === ' ') {
108 return {
109 type: 'space',
110 value: i
111 };
112 }
113
114 return {
115 type: 'word',
116 value: i
117 };
118 });
119 return prefix.concat(params.slice(1));
120 }
121 /**
122 * Convert angle unit to deg
123 */
124 ;
125
126 _proto.normalizeUnit = function normalizeUnit(str, full) {
127 var num = parseFloat(str);
128 var deg = num / full * 360;
129 return deg + "deg";
130 }
131 /**
132 * Normalize angle
133 */
134 ;
135
136 _proto.normalize = function normalize(nodes) {
137 if (!nodes[0]) return nodes;
138
139 if (/-?\d+(.\d+)?grad/.test(nodes[0].value)) {
140 nodes[0].value = this.normalizeUnit(nodes[0].value, 400);
141 } else if (/-?\d+(.\d+)?rad/.test(nodes[0].value)) {
142 nodes[0].value = this.normalizeUnit(nodes[0].value, 2 * Math.PI);
143 } else if (/-?\d+(.\d+)?turn/.test(nodes[0].value)) {
144 nodes[0].value = this.normalizeUnit(nodes[0].value, 1);
145 } else if (nodes[0].value.includes('deg')) {
146 var num = parseFloat(nodes[0].value);
147 num = range.wrap(0, 360, num);
148 nodes[0].value = num + "deg";
149 }
150
151 if (nodes[0].value === '0deg') {
152 nodes = this.replaceFirst(nodes, 'to', ' ', 'top');
153 } else if (nodes[0].value === '90deg') {
154 nodes = this.replaceFirst(nodes, 'to', ' ', 'right');
155 } else if (nodes[0].value === '180deg') {
156 nodes = this.replaceFirst(nodes, 'to', ' ', 'bottom');
157 } else if (nodes[0].value === '270deg') {
158 nodes = this.replaceFirst(nodes, 'to', ' ', 'left');
159 }
160
161 return nodes;
162 }
163 /**
164 * Replace old direction to new
165 */
166 ;
167
168 _proto.newDirection = function newDirection(params) {
169 if (params[0].value === 'to') {
170 return params;
171 }
172
173 IS_DIRECTION.lastIndex = 0; // reset search index of global regexp
174
175 if (!IS_DIRECTION.test(params[0].value)) {
176 return params;
177 }
178
179 params.unshift({
180 type: 'word',
181 value: 'to'
182 }, {
183 type: 'space',
184 value: ' '
185 });
186
187 for (var i = 2; i < params.length; i++) {
188 if (params[i].type === 'div') {
189 break;
190 }
191
192 if (params[i].type === 'word') {
193 params[i].value = this.revertDirection(params[i].value);
194 }
195 }
196
197 return params;
198 }
199 /**
200 * Look for at word
201 */
202 ;
203
204 _proto.isRadial = function isRadial(params) {
205 var state = 'before';
206
207 for (var _iterator2 = _createForOfIteratorHelperLoose(params), _step2; !(_step2 = _iterator2()).done;) {
208 var param = _step2.value;
209
210 if (state === 'before' && param.type === 'space') {
211 state = 'at';
212 } else if (state === 'at' && param.value === 'at') {
213 state = 'after';
214 } else if (state === 'after' && param.type === 'space') {
215 return true;
216 } else if (param.type === 'div') {
217 break;
218 } else {
219 state = 'before';
220 }
221 }
222
223 return false;
224 }
225 /**
226 * Change new direction to old
227 */
228 ;
229
230 _proto.convertDirection = function convertDirection(params) {
231 if (params.length > 0) {
232 if (params[0].value === 'to') {
233 this.fixDirection(params);
234 } else if (params[0].value.includes('deg')) {
235 this.fixAngle(params);
236 } else if (this.isRadial(params)) {
237 this.fixRadial(params);
238 }
239 }
240
241 return params;
242 }
243 /**
244 * Replace `to top left` to `bottom right`
245 */
246 ;
247
248 _proto.fixDirection = function fixDirection(params) {
249 params.splice(0, 2);
250
251 for (var _iterator3 = _createForOfIteratorHelperLoose(params), _step3; !(_step3 = _iterator3()).done;) {
252 var param = _step3.value;
253
254 if (param.type === 'div') {
255 break;
256 }
257
258 if (param.type === 'word') {
259 param.value = this.revertDirection(param.value);
260 }
261 }
262 }
263 /**
264 * Add 90 degrees
265 */
266 ;
267
268 _proto.fixAngle = function fixAngle(params) {
269 var first = params[0].value;
270 first = parseFloat(first);
271 first = Math.abs(450 - first) % 360;
272 first = this.roundFloat(first, 3);
273 params[0].value = first + "deg";
274 }
275 /**
276 * Fix radial direction syntax
277 */
278 ;
279
280 _proto.fixRadial = function fixRadial(params) {
281 var first = [];
282 var second = [];
283 var a, b, c, i, next;
284
285 for (i = 0; i < params.length - 2; i++) {
286 a = params[i];
287 b = params[i + 1];
288 c = params[i + 2];
289
290 if (a.type === 'space' && b.value === 'at' && c.type === 'space') {
291 next = i + 3;
292 break;
293 } else {
294 first.push(a);
295 }
296 }
297
298 var div;
299
300 for (i = next; i < params.length; i++) {
301 if (params[i].type === 'div') {
302 div = params[i];
303 break;
304 } else {
305 second.push(params[i]);
306 }
307 }
308
309 params.splice.apply(params, [0, i].concat(second, [div], first));
310 };
311
312 _proto.revertDirection = function revertDirection(word) {
313 return this.directions[word.toLowerCase()] || word;
314 }
315 /**
316 * Round float and save digits under dot
317 */
318 ;
319
320 _proto.roundFloat = function roundFloat(_float, digits) {
321 return parseFloat(_float.toFixed(digits));
322 }
323 /**
324 * Convert to old webkit syntax
325 */
326 ;
327
328 _proto.oldWebkit = function oldWebkit(node) {
329 var nodes = node.nodes;
330 var string = parser.stringify(node.nodes);
331
332 if (this.name !== 'linear-gradient') {
333 return false;
334 }
335
336 if (nodes[0] && nodes[0].value.includes('deg')) {
337 return false;
338 }
339
340 if (string.includes('px') || string.includes('-corner') || string.includes('-side')) {
341 return false;
342 }
343
344 var params = [[]];
345
346 for (var _iterator4 = _createForOfIteratorHelperLoose(nodes), _step4; !(_step4 = _iterator4()).done;) {
347 var i = _step4.value;
348 params[params.length - 1].push(i);
349
350 if (i.type === 'div' && i.value === ',') {
351 params.push([]);
352 }
353 }
354
355 this.oldDirection(params);
356 this.colorStops(params);
357 node.nodes = [];
358
359 for (var _i = 0, _params = params; _i < _params.length; _i++) {
360 var param = _params[_i];
361 node.nodes = node.nodes.concat(param);
362 }
363
364 node.nodes.unshift({
365 type: 'word',
366 value: 'linear'
367 }, this.cloneDiv(node.nodes));
368 node.value = '-webkit-gradient';
369 return true;
370 }
371 /**
372 * Change direction syntax to old webkit
373 */
374 ;
375
376 _proto.oldDirection = function oldDirection(params) {
377 var div = this.cloneDiv(params[0]);
378
379 if (params[0][0].value !== 'to') {
380 return params.unshift([{
381 type: 'word',
382 value: this.oldDirections.bottom
383 }, div]);
384 } else {
385 var words = [];
386
387 for (var _iterator5 = _createForOfIteratorHelperLoose(params[0].slice(2)), _step5; !(_step5 = _iterator5()).done;) {
388 var node = _step5.value;
389
390 if (node.type === 'word') {
391 words.push(node.value.toLowerCase());
392 }
393 }
394
395 words = words.join(' ');
396 var old = this.oldDirections[words] || words;
397 params[0] = [{
398 type: 'word',
399 value: old
400 }, div];
401 return params[0];
402 }
403 }
404 /**
405 * Get div token from exists parameters
406 */
407 ;
408
409 _proto.cloneDiv = function cloneDiv(params) {
410 for (var _iterator6 = _createForOfIteratorHelperLoose(params), _step6; !(_step6 = _iterator6()).done;) {
411 var i = _step6.value;
412
413 if (i.type === 'div' && i.value === ',') {
414 return i;
415 }
416 }
417
418 return {
419 type: 'div',
420 value: ',',
421 after: ' '
422 };
423 }
424 /**
425 * Change colors syntax to old webkit
426 */
427 ;
428
429 _proto.colorStops = function colorStops(params) {
430 var result = [];
431
432 for (var i = 0; i < params.length; i++) {
433 var pos = void 0;
434 var param = params[i];
435 var item = void 0;
436
437 if (i === 0) {
438 continue;
439 }
440
441 var color = parser.stringify(param[0]);
442
443 if (param[1] && param[1].type === 'word') {
444 pos = param[1].value;
445 } else if (param[2] && param[2].type === 'word') {
446 pos = param[2].value;
447 }
448
449 var stop = void 0;
450
451 if (i === 1 && (!pos || pos === '0%')) {
452 stop = "from(" + color + ")";
453 } else if (i === params.length - 1 && (!pos || pos === '100%')) {
454 stop = "to(" + color + ")";
455 } else if (pos) {
456 stop = "color-stop(" + pos + ", " + color + ")";
457 } else {
458 stop = "color-stop(" + color + ")";
459 }
460
461 var div = param[param.length - 1];
462 params[i] = [{
463 type: 'word',
464 value: stop
465 }];
466
467 if (div.type === 'div' && div.value === ',') {
468 item = params[i].push(div);
469 }
470
471 result.push(item);
472 }
473
474 return result;
475 }
476 /**
477 * Remove old WebKit gradient too
478 */
479 ;
480
481 _proto.old = function old(prefix) {
482 if (prefix === '-webkit-') {
483 var type = this.name === 'linear-gradient' ? 'linear' : 'radial';
484 var string = '-gradient';
485 var regexp = utils.regexp("-webkit-(" + type + "-gradient|gradient\\(\\s*" + type + ")", false);
486 return new OldValue(this.name, prefix + this.name, string, regexp);
487 } else {
488 return _Value.prototype.old.call(this, prefix);
489 }
490 }
491 /**
492 * Do not add non-webkit prefixes for list-style and object
493 */
494 ;
495
496 _proto.add = function add(decl, prefix) {
497 var p = decl.prop;
498
499 if (p.includes('mask')) {
500 if (prefix === '-webkit-' || prefix === '-webkit- old') {
501 return _Value.prototype.add.call(this, decl, prefix);
502 }
503 } else if (p === 'list-style' || p === 'list-style-image' || p === 'content') {
504 if (prefix === '-webkit-' || prefix === '-webkit- old') {
505 return _Value.prototype.add.call(this, decl, prefix);
506 }
507 } else {
508 return _Value.prototype.add.call(this, decl, prefix);
509 }
510
511 return undefined;
512 };
513
514 return Gradient;
515}(Value);
516
517_defineProperty(Gradient, "names", ['linear-gradient', 'repeating-linear-gradient', 'radial-gradient', 'repeating-radial-gradient']);
518
519module.exports = Gradient;
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