source: imaps-frontend/node_modules/clean-css/lib/optimizer/validator.js@ 79a0317

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Last change on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago

F4 Finalna Verzija
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File size: 12.1 KB
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1var functionNoVendorRegexStr = '[A-Z]+(\\-|[A-Z]|[0-9])+\\(.*?\\)';
2var functionVendorRegexStr = '\\-(\\-|[A-Z]|[0-9])+\\(.*?\\)';
3var variableRegexStr = 'var\\(\\-\\-[^\\)]+\\)';
4var functionAnyRegexStr = '(' + variableRegexStr + '|' + functionNoVendorRegexStr + '|' + functionVendorRegexStr + ')';
5
6var calcRegex = new RegExp('^(\\-moz\\-|\\-webkit\\-)?calc\\([^\\)]+\\)$', 'i');
7var decimalRegex = /[0-9]/;
8var functionAnyRegex = new RegExp('^' + functionAnyRegexStr + '$', 'i');
9var hexAlphaColorRegex = /^#(?:[0-9a-f]{4}|[0-9a-f]{8})$/i;
10// eslint-disable-next-line max-len
11var hslColorRegex = /^hsl\(\s{0,31}[-.]?\d+\s{0,31},\s{0,31}\d*\.?\d+%\s{0,31},\s{0,31}\d*\.?\d+%\s{0,31}\)|hsla\(\s{0,31}[-.]?\d+\s{0,31},\s{0,31}\d*\.?\d+%\s{0,31},\s{0,31}\d*\.?\d+%\s{0,31},\s{0,31}\.?\d+\s{0,31}\)$/;
12// eslint-disable-next-line max-len
13var hslColorWithSpacesRegex = /^hsl\(\s{0,31}[-.]?\d+(deg)?\s{1,31}\d*\.?\d+%\s{1,31}\d*\.?\d+%\s{0,31}\)|hsla\(\s{0,31}[-.]?\d+(deg)?\s{1,31}\d*\.?\d+%\s{1,31}\d*\.?\d+%\s{1,31}\/\s{1,31}\d*\.?\d+%?\s{0,31}\)$/;
14var identifierRegex = /^(-[a-z0-9_][a-z0-9\-_]*|[a-z_][a-z0-9\-_]*)$/i;
15var namedEntityRegex = /^[a-z]+$/i;
16var prefixRegex = /^-([a-z0-9]|-)*$/i;
17var quotedTextRegex = /^("[^"]*"|'[^']*')$/i;
18// eslint-disable-next-line max-len
19var rgbColorRegex = /^rgb\(\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31}\)|rgba\(\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[.\d]+\s{0,31}\)$/i;
20// eslint-disable-next-line max-len
21var rgbColorWithSpacesRegex = /^rgb\(\s{0,31}[\d]{1,3}\s{1,31}[\d]{1,3}\s{1,31}[\d]{1,3}\s{0,31}\)|rgba\(\s{0,31}[\d]{1,3}\s{1,31}[\d]{1,3}\s{1,31}[\d]{1,3}\s{1,31}\/\s{1,31}[\d]*\.?[.\d]+%?\s{0,31}\)$/i;
22var timeUnitPattern = /\d+(s|ms)/;
23var timingFunctionRegex = /^(cubic-bezier|steps)\([^)]+\)$/;
24var validTimeUnits = ['ms', 's'];
25var urlRegex = /^url\([\s\S]+\)$/i;
26var variableRegex = new RegExp('^' + variableRegexStr + '$', 'i');
27
28var eightValueColorRegex = /^#[0-9a-f]{8}$/i;
29var fourValueColorRegex = /^#[0-9a-f]{4}$/i;
30var sixValueColorRegex = /^#[0-9a-f]{6}$/i;
31var threeValueColorRegex = /^#[0-9a-f]{3}$/i;
32
33var DECIMAL_DOT = '.';
34var MINUS_SIGN = '-';
35var PLUS_SIGN = '+';
36
37var Keywords = {
38 '^': [
39 'inherit',
40 'initial',
41 'unset'
42 ],
43 '*-style': [
44 'auto',
45 'dashed',
46 'dotted',
47 'double',
48 'groove',
49 'hidden',
50 'inset',
51 'none',
52 'outset',
53 'ridge',
54 'solid'
55 ],
56 '*-timing-function': [
57 'ease',
58 'ease-in',
59 'ease-in-out',
60 'ease-out',
61 'linear',
62 'step-end',
63 'step-start'
64 ],
65 'animation-direction': [
66 'alternate',
67 'alternate-reverse',
68 'normal',
69 'reverse'
70 ],
71 'animation-fill-mode': [
72 'backwards',
73 'both',
74 'forwards',
75 'none'
76 ],
77 'animation-iteration-count': [
78 'infinite'
79 ],
80 'animation-name': [
81 'none'
82 ],
83 'animation-play-state': [
84 'paused',
85 'running'
86 ],
87 'background-attachment': [
88 'fixed',
89 'inherit',
90 'local',
91 'scroll'
92 ],
93 'background-clip': [
94 'border-box',
95 'content-box',
96 'inherit',
97 'padding-box',
98 'text'
99 ],
100 'background-origin': [
101 'border-box',
102 'content-box',
103 'inherit',
104 'padding-box'
105 ],
106 'background-position': [
107 'bottom',
108 'center',
109 'left',
110 'right',
111 'top'
112 ],
113 'background-repeat': [
114 'no-repeat',
115 'inherit',
116 'repeat',
117 'repeat-x',
118 'repeat-y',
119 'round',
120 'space'
121 ],
122 'background-size': [
123 'auto',
124 'cover',
125 'contain'
126 ],
127 'border-collapse': [
128 'collapse',
129 'inherit',
130 'separate'
131 ],
132 bottom: [
133 'auto'
134 ],
135 clear: [
136 'both',
137 'left',
138 'none',
139 'right'
140 ],
141 color: [
142 'transparent'
143 ],
144 cursor: [
145 'all-scroll',
146 'auto',
147 'col-resize',
148 'crosshair',
149 'default',
150 'e-resize',
151 'help',
152 'move',
153 'n-resize',
154 'ne-resize',
155 'no-drop',
156 'not-allowed',
157 'nw-resize',
158 'pointer',
159 'progress',
160 'row-resize',
161 's-resize',
162 'se-resize',
163 'sw-resize',
164 'text',
165 'vertical-text',
166 'w-resize',
167 'wait'
168 ],
169 display: [
170 'block',
171 'inline',
172 'inline-block',
173 'inline-table',
174 'list-item',
175 'none',
176 'table',
177 'table-caption',
178 'table-cell',
179 'table-column',
180 'table-column-group',
181 'table-footer-group',
182 'table-header-group',
183 'table-row',
184 'table-row-group'
185 ],
186 float: [
187 'left',
188 'none',
189 'right'
190 ],
191 left: [
192 'auto'
193 ],
194 font: [
195 'caption',
196 'icon',
197 'menu',
198 'message-box',
199 'small-caption',
200 'status-bar',
201 'unset'
202 ],
203 'font-size': [
204 'large',
205 'larger',
206 'medium',
207 'small',
208 'smaller',
209 'x-large',
210 'x-small',
211 'xx-large',
212 'xx-small'
213 ],
214 'font-stretch': [
215 'condensed',
216 'expanded',
217 'extra-condensed',
218 'extra-expanded',
219 'normal',
220 'semi-condensed',
221 'semi-expanded',
222 'ultra-condensed',
223 'ultra-expanded'
224 ],
225 'font-style': [
226 'italic',
227 'normal',
228 'oblique'
229 ],
230 'font-variant': [
231 'normal',
232 'small-caps'
233 ],
234 'font-weight': [
235 '100',
236 '200',
237 '300',
238 '400',
239 '500',
240 '600',
241 '700',
242 '800',
243 '900',
244 'bold',
245 'bolder',
246 'lighter',
247 'normal'
248 ],
249 'line-height': [
250 'normal'
251 ],
252 'list-style-position': [
253 'inside',
254 'outside'
255 ],
256 'list-style-type': [
257 'armenian',
258 'circle',
259 'decimal',
260 'decimal-leading-zero',
261 'disc',
262 'decimal|disc', // this is the default value of list-style-type, see comment in configuration.js
263 'georgian',
264 'lower-alpha',
265 'lower-greek',
266 'lower-latin',
267 'lower-roman',
268 'none',
269 'square',
270 'upper-alpha',
271 'upper-latin',
272 'upper-roman'
273 ],
274 overflow: [
275 'auto',
276 'hidden',
277 'scroll',
278 'visible'
279 ],
280 position: [
281 'absolute',
282 'fixed',
283 'relative',
284 'static'
285 ],
286 right: [
287 'auto'
288 ],
289 'text-align': [
290 'center',
291 'justify',
292 'left',
293 'left|right', // this is the default value of list-style-type, see comment in configuration.js
294 'right'
295 ],
296 'text-decoration': [
297 'line-through',
298 'none',
299 'overline',
300 'underline'
301 ],
302 'text-overflow': [
303 'clip',
304 'ellipsis'
305 ],
306 top: [
307 'auto'
308 ],
309 'vertical-align': [
310 'baseline',
311 'bottom',
312 'middle',
313 'sub',
314 'super',
315 'text-bottom',
316 'text-top',
317 'top'
318 ],
319 visibility: [
320 'collapse',
321 'hidden',
322 'visible'
323 ],
324 'white-space': [
325 'normal',
326 'nowrap',
327 'pre'
328 ],
329 width: [
330 'inherit',
331 'initial',
332 'medium',
333 'thick',
334 'thin'
335 ]
336};
337
338var Units = [
339 '%',
340 'ch',
341 'cm',
342 'em',
343 'ex',
344 'in',
345 'mm',
346 'pc',
347 'pt',
348 'px',
349 'rem',
350 'vh',
351 'vm',
352 'vmax',
353 'vmin',
354 'vw'
355];
356
357function isColor(value) {
358 return value != 'auto'
359 && (
360 isKeyword('color')(value)
361 || isHexColor(value)
362 || isColorFunction(value)
363 || isNamedEntity(value)
364 );
365}
366
367function isColorFunction(value) {
368 return isRgbColor(value) || isHslColor(value);
369}
370
371function isDynamicUnit(value) {
372 return calcRegex.test(value);
373}
374
375function isFunction(value) {
376 return functionAnyRegex.test(value);
377}
378
379function isHexColor(value) {
380 return threeValueColorRegex.test(value)
381 || fourValueColorRegex.test(value)
382 || sixValueColorRegex.test(value)
383 || eightValueColorRegex.test(value);
384}
385
386function isHslColor(value) {
387 return hslColorRegex.test(value) || hslColorWithSpacesRegex.test(value);
388}
389
390function isHexAlphaColor(value) {
391 return hexAlphaColorRegex.test(value);
392}
393
394function isIdentifier(value) {
395 return identifierRegex.test(value);
396}
397
398function isQuotedText(value) {
399 return quotedTextRegex.test(value);
400}
401
402function isImage(value) {
403 return value == 'none' || value == 'inherit' || isUrl(value);
404}
405
406function isKeyword(propertyName) {
407 return function(value) {
408 return Keywords[propertyName].indexOf(value) > -1;
409 };
410}
411
412function isNamedEntity(value) {
413 return namedEntityRegex.test(value);
414}
415
416function isNumber(value) {
417 return scanForNumber(value) == value.length;
418}
419
420function isRgbColor(value) {
421 return rgbColorRegex.test(value) || rgbColorWithSpacesRegex.test(value);
422}
423
424function isPrefixed(value) {
425 return prefixRegex.test(value);
426}
427
428function isPositiveNumber(value) {
429 return isNumber(value)
430 && parseFloat(value) >= 0;
431}
432
433function isVariable(value) {
434 return variableRegex.test(value);
435}
436
437function isTime(value) {
438 var numberUpTo = scanForNumber(value);
439
440 return numberUpTo == value.length && parseInt(value) === 0
441 || numberUpTo > -1 && validTimeUnits.indexOf(value.slice(numberUpTo + 1)) > -1
442 || isCalculatedTime(value);
443}
444
445function isCalculatedTime(value) {
446 return isFunction(value) && timeUnitPattern.test(value);
447}
448
449function isTimingFunction() {
450 var isTimingFunctionKeyword = isKeyword('*-timing-function');
451
452 return function(value) {
453 return isTimingFunctionKeyword(value) || timingFunctionRegex.test(value);
454 };
455}
456
457function isUnit(validUnits, value) {
458 var numberUpTo = scanForNumber(value);
459
460 return numberUpTo == value.length && parseInt(value) === 0
461 || numberUpTo > -1 && validUnits.indexOf(value.slice(numberUpTo + 1).toLowerCase()) > -1
462 || value == 'auto'
463 || value == 'inherit';
464}
465
466function isUrl(value) {
467 return urlRegex.test(value);
468}
469
470function isZIndex(value) {
471 return value == 'auto'
472 || isNumber(value)
473 || isKeyword('^')(value);
474}
475
476function scanForNumber(value) {
477 var hasDot = false;
478 var hasSign = false;
479 var character;
480 var i, l;
481
482 for (i = 0, l = value.length; i < l; i++) {
483 character = value[i];
484
485 if (i === 0 && (character == PLUS_SIGN || character == MINUS_SIGN)) {
486 hasSign = true;
487 } else if (i > 0 && hasSign && (character == PLUS_SIGN || character == MINUS_SIGN)) {
488 return i - 1;
489 } else if (character == DECIMAL_DOT && !hasDot) {
490 hasDot = true;
491 } else if (character == DECIMAL_DOT && hasDot) {
492 return i - 1;
493 } else if (decimalRegex.test(character)) {
494 continue;
495 } else {
496 return i - 1;
497 }
498 }
499
500 return i;
501}
502
503function validator(compatibility) {
504 var validUnits = Units.slice(0).filter(function(value) {
505 return !(value in compatibility.units) || compatibility.units[value] === true;
506 });
507
508 if (compatibility.customUnits.rpx) {
509 validUnits.push('rpx');
510 }
511
512 return {
513 colorOpacity: compatibility.colors.opacity,
514 colorHexAlpha: compatibility.colors.hexAlpha,
515 isAnimationDirectionKeyword: isKeyword('animation-direction'),
516 isAnimationFillModeKeyword: isKeyword('animation-fill-mode'),
517 isAnimationIterationCountKeyword: isKeyword('animation-iteration-count'),
518 isAnimationNameKeyword: isKeyword('animation-name'),
519 isAnimationPlayStateKeyword: isKeyword('animation-play-state'),
520 isTimingFunction: isTimingFunction(),
521 isBackgroundAttachmentKeyword: isKeyword('background-attachment'),
522 isBackgroundClipKeyword: isKeyword('background-clip'),
523 isBackgroundOriginKeyword: isKeyword('background-origin'),
524 isBackgroundPositionKeyword: isKeyword('background-position'),
525 isBackgroundRepeatKeyword: isKeyword('background-repeat'),
526 isBackgroundSizeKeyword: isKeyword('background-size'),
527 isColor: isColor,
528 isColorFunction: isColorFunction,
529 isDynamicUnit: isDynamicUnit,
530 isFontKeyword: isKeyword('font'),
531 isFontSizeKeyword: isKeyword('font-size'),
532 isFontStretchKeyword: isKeyword('font-stretch'),
533 isFontStyleKeyword: isKeyword('font-style'),
534 isFontVariantKeyword: isKeyword('font-variant'),
535 isFontWeightKeyword: isKeyword('font-weight'),
536 isFunction: isFunction,
537 isGlobal: isKeyword('^'),
538 isHexAlphaColor: isHexAlphaColor,
539 isHslColor: isHslColor,
540 isIdentifier: isIdentifier,
541 isImage: isImage,
542 isKeyword: isKeyword,
543 isLineHeightKeyword: isKeyword('line-height'),
544 isListStylePositionKeyword: isKeyword('list-style-position'),
545 isListStyleTypeKeyword: isKeyword('list-style-type'),
546 isNumber: isNumber,
547 isPrefixed: isPrefixed,
548 isPositiveNumber: isPositiveNumber,
549 isQuotedText: isQuotedText,
550 isRgbColor: isRgbColor,
551 isStyleKeyword: isKeyword('*-style'),
552 isTime: isTime,
553 isUnit: isUnit.bind(null, validUnits),
554 isUrl: isUrl,
555 isVariable: isVariable,
556 isWidth: isKeyword('width'),
557 isZIndex: isZIndex
558 };
559}
560
561module.exports = validator;
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