43 function isLocal(value){  argument
44   return LOCAL_PREFIX_PATTERN.test(value);
47 function isNegative(value) {  argument
48   return value && value[1][0] == '-' && parseFloat(value[1]) < 0;
51 function isQuoted(value) {  argument
52   return QUOTED_PATTERN.test(value);
55 function isUrl(value) {  argument
56   return URL_PREFIX_PATTERN.test(value);
59 function normalizeUrl(value) {  argument
60   return value
66   var values = property.value;
78   var values = property.value;
92     property.value.splice(spliceAt);
103 function optimizeColors(name, value, compatibility) {  argument
104   if (!value.match(/#|rgb|hsl/gi)) {
105     return shortenHex(value);
108   value = value
156     value = value.replace(/(?:rgba|hsla)\(0,0%?,0%?,0\)/g, function (match) {
157       if (split(value, ',').pop().indexOf('gradient(') > -1) {
165   return shortenHex(value);
169   if (property.value.length == 1) {
170 …property.value[0][1] = property.value[0][1].replace(/progid:DXImageTransform\.Microsoft\.(Alpha|Ch…
175   property.value[0][1] = property.value[0][1]
181   var value = property.value[atIndex][1];
183   if (value == 'normal') {
184     value = '400';
185   } else if (value == 'bold') {
186     value = '700';
189   property.value[atIndex][1] = value;
193   var values = property.value;
205     property.value.splice(spliceAt);
211   var values = property.value;
218 function optimizePixelLengths(_, value, compatibility) {  argument
219   if (!WHOLE_PIXEL_VALUE.test(value)) {
220     return value;
223   return value.replace(WHOLE_PIXEL_VALUE, function (match, val) {
251 function optimizePrecision(_, value, precisionOptions) {  argument
252   if (!precisionOptions.enabled || value.indexOf('.') === -1) {
253     return value;
256   return value
268 function optimizeTimeUnits(_, value) {  argument
269   if (!TIME_VALUE.test(value))
270     return value;
272   return value.replace(TIME_VALUE, function (match, val, unit) {
285 function optimizeUnits(name, value, unitsRegexp) {  argument
286   if (/^(?:\-moz\-calc|\-webkit\-calc|calc|rgb|hsl|rgba|hsla)\(/.test(value)) {
287     return value;
291     return value;
294 …if (value.indexOf('%') > 0 && (name == 'height' || name == 'max-height' || name == 'width' || name…
295     return value;
298   return value
303 function optimizeWhitespace(name, value) {  argument
304 …if (name.indexOf('filter') > -1 || value.indexOf(' ') == -1 || value.indexOf('expression') === 0) {
305     return value;
308   if (value.indexOf(Marker.SINGLE_QUOTE) > -1 || value.indexOf(Marker.DOUBLE_QUOTE) > -1) {
309     return value;
312   value = value.replace(/\s+/g, ' ');
314   if (value.indexOf('calc') > -1) {
315     value = value.replace(/\) ?\/ ?/g, ')/ ');
318   return value
324 function optimizeZeroDegUnit(_, value) {  argument
325   if (value.indexOf('0deg') == -1) {
326     return value;
329   return value.replace(/\(0deg\)/g, '(0)');
332 function optimizeZeroUnits(name, value) {  argument
333   if (value.indexOf('0') == -1) {
334     return value;
337   if (value.indexOf('-') > -1) {
338     value = value
343   return value
353 function removeQuotes(name, value) {  argument
355     return value;
358   return QUOTED_BUT_SAFE_PATTERN.test(value) ?
359     value.substring(1, value.length - 1) :
360     value;
363 function removeUrlQuotes(value) {  argument
364 …& !/^url\(['"].*[\*\s\(\)'"].*['"]\)$/.test(value) && !/^url\(['"]data:[^;]+;charset/.test(value) ?
365     value.replace(/["']/g, '') :
366     value;
387   var property, name, type, value;
403     if (property.value.length === 0) {
416 …&& (isNegative(property.value[0]) || isNegative(property.value[1]) || isNegative(property.value[2]…
429       optimizeBody(rule, property.value[0][1], context);
437     for (var j = 0, m = property.value.length; j < m; j++) {
438       type = property.value[j][0];
439       value = property.value[j][1];
440       valueIsUrl = isUrl(value);
444 …context.warnings.push('Invalid value token at ' + formatPosition(value[0][1][2][0]) + '. Ignoring.…
448       if (valueIsUrl && !context.validator.isUrl(value)) {
450 …context.warnings.push('Broken URL \'' + value + '\' at ' + formatPosition(property.value[j][2][0])…
455         value = levelOptions.normalizeUrls ?
456           normalizeUrl(value) :
457           value;
458         value = !options.compatibility.properties.urlQuotes ?
459           removeUrlQuotes(value) :
460           value;
461       } else if (isQuoted(value) || isLocal(value)) {
462         value = levelOptions.removeQuotes ?
463           removeQuotes(name, value) :
464           value;
466         value = levelOptions.removeWhitespace ?
467           optimizeWhitespace(name, value) :
468           value;
469         value = optimizePrecision(name, value, options.precision);
470         value = optimizePixelLengths(name, value, options.compatibility);
471         value = levelOptions.replaceTimeUnits ?
472           optimizeTimeUnits(name, value) :
473           value;
474         value = levelOptions.replaceZeroUnits ?
475           optimizeZeroUnits(name, value) :
476           value;
479           value = optimizeZeroDegUnit(name, value);
480           value = optimizeUnits(name, value, options.unitsRegexp);
484           value = optimizeColors(name, value, options.compatibility);
488       value = transformValue(name, value, rule, levelOptions.transform);
490       if (value === IgnoreProperty) {
495       property.value[j][1] = value;
593   var value;
596     value = roundingPrecision[unit];
598     if (value != DEFAULT_ROUNDING_PRECISION) {
600       precisionOptions.units[unit].value = value;
601       precisionOptions.units[unit].multiplier = Math.pow(10, value);
621   var value;
624     value = property.value[0][1];
626     return value.indexOf('progid') > -1 ||
627       value.indexOf('alpha') === 0 ||
628       value.indexOf('chroma') === 0;