use minify

node_modules/clean-css/lib/clean.js

@@ -46,6 +46,22 @@ var CleanCSS = module.exports = function CleanCSS(options) {
   };
 };
 
+
+// for compatibility with optimize-css-assets-webpack-plugin
+CleanCSS.process = function (input, opts) {
+  var cleanCss;
+  var optsTo = opts.to;
+
+  delete opts.to;
+  cleanCss = new CleanCSS(Object.assign({ returnPromise: true, rebaseTo: optsTo }, opts));
+
+  return cleanCss.minify(input)
+    .then(function(output) {
+      return { css: output.styles };
+    });
+};
+
+
 CleanCSS.prototype.minify = function (input, maybeSourceMap, maybeCallback) {
   var options = this.options;
 

node_modules/clean-css/lib/optimizer/level-1/optimize.js

@@ -19,6 +19,8 @@ var Marker = require('../../tokenizer/marker');
 var formatPosition = require('../../utils/format-position');
 var split = require('../../utils/split');
 
+var serializeRules = require('../../writer/one-time').rules;
+
 var IgnoreProperty = 'ignore-property';
 
 var CHARSET_TOKEN = '@charset';
@@ -334,7 +336,7 @@ function optimizeZeroUnits(name, value) {
 }
 
 function removeQuotes(name, value) {
-  if (name == 'content' || name.indexOf('font-feature-settings') > -1 || name.indexOf('grid-') > -1) {
+  if (name == 'content' || name.indexOf('font-variation-settings') > -1 || name.indexOf('font-feature-settings') > -1 || name.indexOf('grid-') > -1) {
     return value;
   }
 
@@ -349,8 +351,9 @@ function removeUrlQuotes(value) {
     value;
 }
 
-function transformValue(propertyName, propertyValue, transformCallback) {
-  var transformedValue = transformCallback(propertyName, propertyValue);
+function transformValue(propertyName, propertyValue, rule, transformCallback) {
+  var selector = serializeRules(rule);
+  var transformedValue = transformCallback(propertyName, propertyValue, selector);
 
   if (transformedValue === undefined) {
     return propertyValue;
@@ -363,7 +366,7 @@ function transformValue(propertyName, propertyValue, transformCallback) {
 
 //
 
-function optimizeBody(properties, context) {
+function optimizeBody(rule, properties, context) {
   var options = context.options;
   var levelOptions = options.level[OptimizationLevel.One];
   var property, name, type, value;
@@ -408,7 +411,7 @@ function optimizeBody(properties, context) {
     }
 
     if (property.block) {
-      optimizeBody(property.value[0][1], context);
+      optimizeBody(rule, property.value[0][1], context);
       continue;
     }
 
@@ -467,7 +470,7 @@ function optimizeBody(properties, context) {
         }
       }
 
-      value = transformValue(name, value, levelOptions.transform);
+      value = transformValue(name, value, rule, levelOptions.transform);
 
       if (value === IgnoreProperty) {
         property.unused = true;
@@ -637,7 +640,7 @@ function level1Optimize(tokens, context) {
         mayHaveCharset = true;
         break;
       case Token.AT_RULE_BLOCK:
-        optimizeBody(token[2], context);
+        optimizeBody(token[1], token[2], context);
         afterRules = true;
         break;
       case Token.NESTED_BLOCK:
@@ -651,7 +654,7 @@ function level1Optimize(tokens, context) {
       case Token.RULE:
         token[1] = levelOptions.tidySelectors ? tidyRules(token[1], !ie7Hack, adjacentSpace, format, context.warnings) : token[1];
         token[1] = token[1].length > 1 ? sortSelectors(token[1], levelOptions.selectorsSortingMethod) : token[1];
-        optimizeBody(token[2], context);
+        optimizeBody(token[1], token[2], context);
         afterRules = true;
         break;
     }

node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js

@@ -68,7 +68,7 @@ function removeWhitespace(value, format) {
     character = value[i];
 
     isNewLineNix = character == Marker.NEW_LINE_NIX;
-    isNewLineWin = character == Marker.NEW_LINE_NIX && value[i - 1] == Marker.NEW_LINE_WIN;
+    isNewLineWin = character == Marker.NEW_LINE_NIX && value[i - 1] == Marker.CARRIAGE_RETURN;
     isQuoted = isSingleQuoted || isDoubleQuoted;
     isRelation = !isAttribute && !isEscaped && roundBracketLevel === 0 && RELATION_PATTERN.test(character);
     isWhitespace = WHITESPACE_PATTERN.test(character);

node_modules/clean-css/lib/optimizer/level-2/break-up.js

@@ -105,7 +105,7 @@ function animation(property, compactable, validator) {
     } else if (validator.isTime(value[1]) && !delaySet) {
       delay.value = [value];
       delaySet = true;
-    } else if ((validator.isGlobal(value[1]) || validator.isAnimationTimingFunction(value[1])) && !timingSet) {
+    } else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) {
       timing.value = [value];
       timingSet = true;
     } else if ((validator.isAnimationIterationCountKeyword(value[1]) || validator.isPositiveNumber(value[1])) && !iterationSet) {
@@ -523,6 +523,53 @@ function listStyle(property, compactable, validator) {
   return components;
 }
 
+function transition(property, compactable, validator) {
+  var prop = _wrapDefault(property.name + '-property', property, compactable);
+  var duration = _wrapDefault(property.name + '-duration', property, compactable);
+  var timing = _wrapDefault(property.name + '-timing-function', property, compactable);
+  var delay = _wrapDefault(property.name + '-delay', property, compactable);
+  var components = [prop, duration, timing, delay];
+  var values = property.value;
+  var value;
+  var durationSet = false;
+  var delaySet = false;
+  var propSet = false;
+  var timingSet = false;
+  var i;
+  var l;
+
+  if (property.value.length == 1 && property.value[0][1] == 'inherit') {
+    prop.value = duration.value = timing.value = delay.value = property.value;
+    return components;
+  }
+
+  if (values.length > 1 && _anyIsInherit(values)) {
+    throw new InvalidPropertyError('Invalid animation values at ' + formatPosition(values[0][2][0]) + '. Ignoring.');
+  }
+
+  for (i = 0, l = values.length; i < l; i++) {
+    value = values[i];
+
+    if (validator.isTime(value[1]) && !durationSet) {
+      duration.value = [value];
+      durationSet = true;
+    } else if (validator.isTime(value[1]) && !delaySet) {
+      delay.value = [value];
+      delaySet = true;
+    } else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) {
+      timing.value = [value];
+      timingSet = true;
+    } else if (validator.isIdentifier(value[1]) && !propSet) {
+      prop.value = [value];
+      propSet = true;
+    } else {
+      throw new InvalidPropertyError('Invalid animation value at ' + formatPosition(value[2][0]) + '. Ignoring.');
+    }
+  }
+
+  return components;
+}
+
 function widthStyleColor(property, compactable, validator) {
   var descriptor = compactable[property.name];
   var components = [
@@ -592,5 +639,6 @@ module.exports = {
   fourValues: fourValues,
   listStyle: listStyle,
   multiplex: multiplex,
-  outline: widthStyleColor
+  outline: widthStyleColor,
+  transition: transition
 };

node_modules/clean-css/lib/optimizer/level-2/can-override.js

@@ -20,16 +20,6 @@ function animationName(validator, value1, value2) {
   return validator.isAnimationNameKeyword(value2) || validator.isIdentifier(value2);
 }
 
-function animationTimingFunction(validator, value1, value2) {
-  if (!understandable(validator, value1, value2, 0, true) && !(validator.isAnimationTimingFunction(value2) || validator.isGlobal(value2))) {
-    return false;
-  } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
-    return true;
-  }
-
-  return validator.isAnimationTimingFunction(value2) || validator.isGlobal(value2);
-}
-
 function areSameFunction(validator, value1, value2) {
   if (!validator.isFunction(value1) || !validator.isFunction(value2)) {
     return false;
@@ -129,14 +119,22 @@ function keywordWithGlobal(propertyName) {
   };
 }
 
+function propertyName(validator, value1, value2) {
+  if (!understandable(validator, value1, value2, 0, true) && !validator.isIdentifier(value2)) {
+    return false;
+  } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
+    return true;
+  }
+
+  return validator.isIdentifier(value2);
+}
+
 function sameFunctionOrValue(validator, value1, value2) {
   return areSameFunction(validator, value1, value2) ?
     true :
     value1 === value2;
 }
 
-
-
 function textShadow(validator, value1, value2) {
   if (!understandable(validator, value1, value2, 0, true) && !(validator.isUnit(value2) || validator.isColor(value2) || validator.isGlobal(value2))) {
     return false;
@@ -165,6 +163,16 @@ function time(validator, value1, value2) {
   return sameFunctionOrValue(validator, value1, value2);
 }
 
+function timingFunction(validator, value1, value2) {
+  if (!understandable(validator, value1, value2, 0, true) && !(validator.isTimingFunction(value2) || validator.isGlobal(value2))) {
+    return false;
+  } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
+    return true;
+  }
+
+  return validator.isTimingFunction(value2) || validator.isGlobal(value2);
+}
+
 function unit(validator, value1, value2) {
   if (!understandable(validator, value1, value2, 0, true) && !validator.isUnit(value2)) {
     return false;
@@ -224,7 +232,9 @@ module.exports = {
     color: color,
     components: components,
     image: image,
+    propertyName: propertyName,
     time: time,
+    timingFunction: timingFunction,
     unit: unit,
     unitOrNumber: unitOrNumber
   },
@@ -234,7 +244,6 @@ module.exports = {
     animationIterationCount: animationIterationCount,
     animationName: animationName,
     animationPlayState: keywordWithGlobal('animation-play-state'),
-    animationTimingFunction: animationTimingFunction,
     backgroundAttachment: keyword('background-attachment'),
     backgroundClip: keywordWithGlobal('background-clip'),
     backgroundOrigin: keyword('background-origin'),

node_modules/clean-css/lib/optimizer/level-2/compactable.js

@@ -38,7 +38,7 @@ var compactable = {
   'animation': {
     canOverride: canOverride.generic.components([
       canOverride.generic.time,
-      canOverride.property.animationTimingFunction,
+      canOverride.generic.timingFunction,
       canOverride.generic.time,
       canOverride.property.animationIterationCount,
       canOverride.property.animationDirection,
@@ -159,7 +159,7 @@ var compactable = {
     ]
   },
   'animation-timing-function': {
-    canOverride: canOverride.property.animationTimingFunction,
+    canOverride: canOverride.generic.timingFunction,
     componentOf: [
       'animation'
     ],
@@ -918,6 +918,82 @@ var compactable = {
       '-webkit-'
     ]
   },
+  'transition': {
+    breakUp: breakUp.multiplex(breakUp.transition),
+    canOverride: canOverride.generic.components([
+      canOverride.property.transitionProperty,
+      canOverride.generic.time,
+      canOverride.generic.timingFunction,
+      canOverride.generic.time
+    ]),
+    components: [
+      'transition-property',
+      'transition-duration',
+      'transition-timing-function',
+      'transition-delay'
+    ],
+    defaultValue: 'none',
+    restore: restore.multiplex(restore.withoutDefaults),
+    shorthand: true,
+    vendorPrefixes: [
+      '-moz-',
+      '-o-',
+      '-webkit-'
+    ]
+  },
+  'transition-delay': {
+    canOverride: canOverride.generic.time,
+    componentOf: [
+      'transition'
+    ],
+    defaultValue: '0s',
+    intoMultiplexMode: 'real',
+    vendorPrefixes: [
+      '-moz-',
+      '-o-',
+      '-webkit-'
+    ]
+  },
+  'transition-duration': {
+    canOverride: canOverride.generic.time,
+    componentOf: [
+      'transition'
+    ],
+    defaultValue: '0s',
+    intoMultiplexMode: 'real',
+    vendorPrefixes: [
+      '-moz-',
+      '-o-',
+      '-webkit-'
+    ]
+  },
+  'transition-property': {
+    canOverride: canOverride.generic.propertyName,
+    componentOf: [
+      'transition'
+    ],
+    defaultValue: 'all',
+    intoMultiplexMode: 'placeholder',
+    placeholderValue: '_', // it's a short value that won't match any property and still be a valid `transition-property`
+    vendorPrefixes: [
+      '-moz-',
+      '-o-',
+      '-webkit-'
+    ]
+  },
+  'transition-timing-function': {
+    canOverride: canOverride.generic.timingFunction,
+    componentOf: [
+      'transition'
+    ],
+    defaultValue: 'ease',
+    intoMultiplexMode: 'real',
+    vendorPrefixes: [
+      '-moz-',
+      '-o-',
+      '-webkit-'
+    ]
+  },
   'vertical-align': {
     canOverride: canOverride.property.verticalAlign,
     defaultValue: 'baseline'

node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js

@@ -8,7 +8,6 @@ var sameVendorPrefixesIn = require('./vendor-prefixes').same;
 
 var compactable = require('../compactable');
 var deepClone = require('../clone').deep;
-var deepClone = require('../clone').deep;
 var restoreWithComponents = require('../restore-with-components');
 var shallowClone = require('../clone').shallow;
 
@@ -95,10 +94,11 @@ function turnShorthandValueIntoMultiplex(property, size) {
 }
 
 function turnLonghandValueIntoMultiplex(property, size) {
-  var withRealValue = compactable[property.name].intoMultiplexMode == 'real';
-  var withValue = withRealValue ?
+  var descriptor = compactable[property.name];
+  var withRealValue = descriptor.intoMultiplexMode == 'real';
+  var withValue = descriptor.intoMultiplexMode == 'real' ?
     property.value.slice(0) :
-    compactable[property.name].defaultValue;
+    (descriptor.intoMultiplexMode == 'placeholder' ? descriptor.placeholderValue : descriptor.defaultValue);
   var i = multiplexSize(property);
   var j;
   var m = withValue.length;

node_modules/clean-css/lib/optimizer/validator.js

@@ -3,21 +3,24 @@ var functionVendorRegexStr = '\\-(\\-|[A-Z]|[0-9])+\\(.*?\\)';
 var variableRegexStr = 'var\\(\\-\\-[^\\)]+\\)';
 var functionAnyRegexStr = '(' + variableRegexStr + '|' + functionNoVendorRegexStr + '|' + functionVendorRegexStr + ')';
 
-var animationTimingFunctionRegex = /^(cubic\-bezier|steps)\([^\)]+\)$/;
 var calcRegex = new RegExp('^(\\-moz\\-|\\-webkit\\-)?calc\\([^\\)]+\\)$', 'i');
 var decimalRegex = /[0-9]/;
 var functionAnyRegex = new RegExp('^' + functionAnyRegexStr + '$', 'i');
 var hslColorRegex = /^hsl\(\s{0,31}[\-\.]?\d+\s{0,31},\s{0,31}\.?\d+%\s{0,31},\s{0,31}\.?\d+%\s{0,31}\)|hsla\(\s{0,31}[\-\.]?\d+\s{0,31},\s{0,31}\.?\d+%\s{0,31},\s{0,31}\.?\d+%\s{0,31},\s{0,31}\.?\d+\s{0,31}\)$/;
 var identifierRegex = /^(\-[a-z0-9_][a-z0-9\-_]*|[a-z][a-z0-9\-_]*)$/i;
-var longHexColorRegex = /^#[0-9a-f]{6}$/i;
 var namedEntityRegex = /^[a-z]+$/i;
 var prefixRegex = /^-([a-z0-9]|-)*$/i;
 var 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\(\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\d]{1,3}\s{0,31},\s{0,31}[\.\d]+\s{0,31}\)$/;
-var shortHexColorRegex = /^#[0-9a-f]{3}$/i;
+var timingFunctionRegex = /^(cubic\-bezier|steps)\([^\)]+\)$/;
 var validTimeUnits = ['ms', 's'];
 var urlRegex = /^url\([\s\S]+\)$/i;
 var variableRegex = new RegExp('^' + variableRegexStr + '$', 'i');
 
+var eightValueColorRegex = /^#[0-9a-f]{8}$/i;
+var fourValueColorRegex = /^#[0-9a-f]{4}$/i;
+var sixValueColorRegex = /^#[0-9a-f]{6}$/i;
+var threeValueColorRegex = /^#[0-9a-f]{3}$/i;
+
 var DECIMAL_DOT = '.';
 var MINUS_SIGN = '-';
 var PLUS_SIGN = '+';
@@ -41,6 +44,15 @@ var Keywords = {
     'ridge',
     'solid'
   ],
+  '*-timing-function': [
+    'ease',
+    'ease-in',
+    'ease-in-out',
+    'ease-out',
+    'linear',
+    'step-end',
+    'step-start'
+  ],
   'animation-direction': [
     'alternate',
     'alternate-reverse',
@@ -63,15 +75,6 @@ var Keywords = {
     'paused',
     'running'
   ],
-  'animation-timing-function': [
-    'ease',
-    'ease-in',
-    'ease-in-out',
-    'ease-out',
-    'linear',
-    'step-end',
-    'step-start'
-  ],
   'background-attachment': [
     'fixed',
     'inherit',
@@ -342,14 +345,6 @@ var Units = [
   'vw'
 ];
 
-function isAnimationTimingFunction() {
-  var isTimingFunctionKeyword = isKeyword('animation-timing-function');
-
-  return function (value) {
-    return isTimingFunctionKeyword(value) || animationTimingFunctionRegex.test(value);
-  };
-}
-
 function isColor(value) {
   return value != 'auto' &&
     (
@@ -373,7 +368,7 @@ function isFunction(value) {
 }
 
 function isHexColor(value) {
-  return shortHexColorRegex.test(value) || longHexColorRegex.test(value);
+  return threeValueColorRegex.test(value) || fourValueColorRegex.test(value) || sixValueColorRegex.test(value) || eightValueColorRegex.test(value);
 }
 
 function isHslColor(value) {
@@ -426,6 +421,14 @@ function isTime(value) {
     numberUpTo > -1 && validTimeUnits.indexOf(value.slice(numberUpTo + 1)) > -1;
 }
 
+function isTimingFunction() {
+  var isTimingFunctionKeyword = isKeyword('*-timing-function');
+
+  return function (value) {
+    return isTimingFunctionKeyword(value) || timingFunctionRegex.test(value);
+  };
+}
+
 function isUnit(validUnits, value) {
   var numberUpTo = scanForNumber(value);
 
@@ -484,7 +487,7 @@ function validator(compatibility) {
     isAnimationIterationCountKeyword: isKeyword('animation-iteration-count'),
     isAnimationNameKeyword: isKeyword('animation-name'),
     isAnimationPlayStateKeyword: isKeyword('animation-play-state'),
-    isAnimationTimingFunction: isAnimationTimingFunction(),
+    isTimingFunction: isTimingFunction(),
     isBackgroundAttachmentKeyword: isKeyword('background-attachment'),
     isBackgroundClipKeyword: isKeyword('background-clip'),
     isBackgroundOriginKeyword: isKeyword('background-origin'),

node_modules/clean-css/lib/options/format.js

@@ -1,3 +1,5 @@
+var systemLineBreak = require('os').EOL;
+
 var override = require('../utils/override');
 
 var Breaks = {
@@ -12,6 +14,12 @@ var Breaks = {
   BetweenSelectors: 'betweenSelectors'
 };
 
+var BreakWith = {
+  CarriageReturnLineFeed: '\r\n',
+  LineFeed: '\n',
+  System: systemLineBreak
+};
+
 var IndentWith = {
   Space: ' ',
   Tab: '\t'
@@ -25,10 +33,12 @@ var Spaces = {
 
 var DEFAULTS = {
   breaks: breaks(false),
+  breakWith: BreakWith.System,
   indentBy: 0,
   indentWith: IndentWith.Space,
   spaces: spaces(false),
-  wrapAt: false
+  wrapAt: false,
+  semicolonAfterLastProperty: false
 };
 
 var BEAUTIFY_ALIAS = 'beautify';
@@ -75,6 +85,10 @@ function formatFrom(source) {
     return false;
   }
 
+  if (typeof source == 'object' && 'breakWith' in source) {
+    source = override(source, { breakWith: mapBreakWith(source.breakWith) });
+  }
+
   if (typeof source == 'object' && 'indentBy' in source) {
     source = override(source, { indentBy: parseInt(source.indentBy) });
   }
@@ -133,6 +147,8 @@ function toHash(string) {
         accumulator[name] = parseInt(value);
       } else if (name == 'indentWith') {
         accumulator[name] = mapIndentWith(value);
+      } else if (name == 'breakWith') {
+        accumulator[name] = mapBreakWith(value);
       }
 
       return accumulator;
@@ -167,6 +183,21 @@ function normalizeValue(value) {
   }
 }
 
+function mapBreakWith(value) {
+  switch (value) {
+    case 'windows':
+    case 'crlf':
+    case BreakWith.CarriageReturnLineFeed:
+      return BreakWith.CarriageReturnLineFeed;
+    case 'unix':
+    case 'lf':
+    case BreakWith.LineFeed:
+      return BreakWith.LineFeed;
+    default:
+      return systemLineBreak;
+  }
+}
+
 function mapIndentWith(value) {
   switch (value) {
     case 'space':

node_modules/clean-css/lib/tokenizer/marker.js

@@ -2,6 +2,7 @@ var Marker = {
   ASTERISK: '*',
   AT: '@',
   BACK_SLASH: '\\',
+  CARRIAGE_RETURN: '\r',
   CLOSE_CURLY_BRACKET: '}',
   CLOSE_ROUND_BRACKET: ')',
   CLOSE_SQUARE_BRACKET: ']',
@@ -12,7 +13,6 @@ var Marker = {
   FORWARD_SLASH: '/',
   INTERNAL: '-clean-css-',
   NEW_LINE_NIX: '\n',
-  NEW_LINE_WIN: '\r',
   OPEN_CURLY_BRACKET: '{',
   OPEN_ROUND_BRACKET: '(',
   OPEN_SQUARE_BRACKET: '[',

node_modules/clean-css/lib/tokenizer/token.js

@@ -9,6 +9,7 @@ var Token = {
   PROPERTY_BLOCK: 'property-block', // e.g. `--var:{color:red}`
   PROPERTY_NAME: 'property-name', // e.g. `color`
   PROPERTY_VALUE: 'property-value', // e.g. `red`
+  RAW: 'raw', // e.g. anything between /* clean-css ignore:start */ and /* clean-css ignore:end */ comments
   RULE: 'rule', // e.g `div > a{...}`
   RULE_SCOPE: 'rule-scope' // e.g `div > a`
 };

node_modules/clean-css/lib/tokenizer/tokenize.js

@@ -28,6 +28,9 @@ var BLOCK_RULES = [
   '@supports'
 ];
 
+var IGNORE_END_COMMENT_PATTERN = /\/\* clean\-css ignore:end \*\/$/;
+var IGNORE_START_COMMENT_PATTERN = /^\/\* clean\-css ignore:start \*\//;
+
 var PAGE_MARGIN_BOXES = [
   '@bottom-center',
   '@bottom-left',
@@ -88,11 +91,13 @@ function intoTokens(source, externalContext, internalContext, isNested) {
   var buffer = [];
   var buffers = [];
   var serializedBuffer;
+  var serializedBufferPart;
   var roundBracketLevel = 0;
   var isQuoted;
   var isSpace;
   var isNewLineNix;
   var isNewLineWin;
+  var isCarriageReturn;
   var isCommentStart;
   var wasCommentStart = false;
   var isCommentEnd;
@@ -100,9 +105,11 @@ function intoTokens(source, externalContext, internalContext, isNested) {
   var isCommentEndMarker;
   var isEscaped;
   var wasEscaped = false;
+  var isRaw = false;
   var seekingValue = false;
   var seekingPropertyBlockClosing = false;
   var position = internalContext.position;
+  var lastCommentStartAt;
 
   for (; position.index < source.length; position.index++) {
     var character = source[position.index];
@@ -110,7 +117,8 @@ function intoTokens(source, externalContext, internalContext, isNested) {
     isQuoted = level == Level.SINGLE_QUOTE || level == Level.DOUBLE_QUOTE;
     isSpace = character == Marker.SPACE || character == Marker.TAB;
     isNewLineNix = character == Marker.NEW_LINE_NIX;
-    isNewLineWin = character == Marker.NEW_LINE_NIX && source[position.index - 1] == Marker.NEW_LINE_WIN;
+    isNewLineWin = character == Marker.NEW_LINE_NIX && source[position.index - 1] == Marker.CARRIAGE_RETURN;
+    isCarriageReturn = character == Marker.CARRIAGE_RETURN && source[position.index + 1] && source[position.index + 1] != Marker.NEW_LINE_NIX;
     isCommentStart = !wasCommentEnd && level != Level.COMMENT && !isQuoted && character == Marker.ASTERISK && source[position.index - 1] == Marker.FORWARD_SLASH;
     isCommentEndMarker = !wasCommentStart && !isQuoted && character == Marker.FORWARD_SLASH && source[position.index - 1] == Marker.ASTERISK;
     isCommentEnd = level == Level.COMMENT && isCommentEndMarker;
@@ -125,6 +133,8 @@ function intoTokens(source, externalContext, internalContext, isNested) {
       buffer.push(character);
     } else if (!isCommentEnd && level == Level.COMMENT) {
       buffer.push(character);
+    } else if (!isCommentStart && !isCommentEnd && isRaw) {
+      buffer.push(character);
     } else if (isCommentStart && (level == Level.BLOCK || level == Level.RULE) && buffer.length > 1) {
       // comment start within block preceded by some content, e.g. div/*<--
       metadatas.push(metadata);
@@ -141,6 +151,33 @@ function intoTokens(source, externalContext, internalContext, isNested) {
       levels.push(level);
       level = Level.COMMENT;
       buffer.push(character);
+    } else if (isCommentEnd && isIgnoreStartComment(buffer)) {
+      // ignore:start comment end, e.g. /* clean-css ignore:start */<--
+      serializedBuffer = buffer.join('').trim() + character;
+      lastToken = [Token.COMMENT, serializedBuffer, [originalMetadata(metadata, serializedBuffer, externalContext)]];
+      newTokens.push(lastToken);
+
+      isRaw = true;
+      metadata = metadatas.pop() || null;
+      buffer = buffers.pop() || [];
+    } else if (isCommentEnd && isIgnoreEndComment(buffer)) {
+      // ignore:start comment end, e.g. /* clean-css ignore:end */<--
+      serializedBuffer = buffer.join('') + character;
+      lastCommentStartAt = serializedBuffer.lastIndexOf(Marker.FORWARD_SLASH + Marker.ASTERISK);
+
+      serializedBufferPart = serializedBuffer.substring(0, lastCommentStartAt);
+      lastToken = [Token.RAW, serializedBufferPart, [originalMetadata(metadata, serializedBufferPart, externalContext)]];
+      newTokens.push(lastToken);
+
+      serializedBufferPart = serializedBuffer.substring(lastCommentStartAt);
+      metadata = [position.line, position.column - serializedBufferPart.length + 1, position.source];
+      lastToken = [Token.COMMENT, serializedBufferPart, [originalMetadata(metadata, serializedBufferPart, externalContext)]];
+      newTokens.push(lastToken);
+
+      isRaw = false;
+      level = levels.pop();
+      metadata = metadatas.pop() || null;
+      buffer = buffers.pop() || [];
     } else if (isCommentEnd) {
       // comment end, e.g. /* comment */<--
       serializedBuffer = buffer.join('').trim() + character;
@@ -448,7 +485,7 @@ function intoTokens(source, externalContext, internalContext, isNested) {
     } else if (buffer.length == 1 && isNewLineWin) {
       // ignore windows newline which is composed of two characters
       buffer.pop();
-    } else if (buffer.length > 0 || !isSpace && !isNewLineNix && !isNewLineWin) {
+    } else if (buffer.length > 0 || !isSpace && !isNewLineNix && !isNewLineWin && !isCarriageReturn) {
       // any character
       buffer.push(character);
     }
@@ -458,8 +495,8 @@ function intoTokens(source, externalContext, internalContext, isNested) {
     wasCommentStart = isCommentStart;
     wasCommentEnd = isCommentEnd;
 
-    position.line = (isNewLineWin || isNewLineNix) ? position.line + 1 : position.line;
-    position.column = (isNewLineWin || isNewLineNix) ? 0 : position.column + 1;
+    position.line = (isNewLineWin || isNewLineNix || isCarriageReturn) ? position.line + 1 : position.line;
+    position.column = (isNewLineWin || isNewLineNix || isCarriageReturn) ? 0 : position.column + 1;
   }
 
   if (seekingValue) {
@@ -480,6 +517,14 @@ function intoTokens(source, externalContext, internalContext, isNested) {
   return allTokens;
 }
 
+function isIgnoreStartComment(buffer) {
+  return IGNORE_START_COMMENT_PATTERN.test(buffer.join('') + Marker.FORWARD_SLASH);
+}
+
+function isIgnoreEndComment(buffer) {
+  return IGNORE_END_COMMENT_PATTERN.test(buffer.join('') + Marker.FORWARD_SLASH);
+}
+
 function originalMetadata(metadata, value, externalContext, selectorFallbacks) {
   var source = metadata[2];
 

node_modules/clean-css/lib/writer/helpers.js

@@ -1,4 +1,3 @@
-var lineBreak = require('os').EOL;
 var emptyCharacter = '';
 
 var Breaks = require('../options/format').Breaks;
@@ -79,7 +78,20 @@ function property(context, tokens, position, lastPropertyAt) {
   var store = context.store;
   var token = tokens[position];
   var isPropertyBlock = token[2][0] == Token.PROPERTY_BLOCK;
-  var needsSemicolon = position < lastPropertyAt || isPropertyBlock;
+
+  var needsSemicolon;
+  if ( context.format ) {
+    if ( context.format.semicolonAfterLastProperty || isPropertyBlock ) {
+      needsSemicolon = true;
+    } else if ( position < lastPropertyAt ) {
+      needsSemicolon = true;
+    } else {
+      needsSemicolon = false;
+    }
+  } else {
+    needsSemicolon = position < lastPropertyAt || isPropertyBlock;
+  }
+
   var isLast = position === lastPropertyAt;
 
   switch (token[0]) {
@@ -101,6 +113,9 @@ function property(context, tokens, position, lastPropertyAt) {
       store(context, colon(context));
       value(context, token);
       store(context, needsSemicolon ? semicolon(context, Breaks.AfterProperty, isLast) : emptyCharacter);
+      break;
+    case Token.RAW:
+      store(context, token);
   }
 }
 
@@ -137,7 +152,7 @@ function openBrace(context, where, needsPrefixSpace) {
     context.indentWith = context.format.indentWith.repeat(context.indentBy);
     return (needsPrefixSpace && allowsSpace(context, Spaces.BeforeBlockBegins) ? Marker.SPACE : emptyCharacter) +
       Marker.OPEN_CURLY_BRACKET +
-      (allowsBreak(context, where) ? lineBreak : emptyCharacter) +
+      (allowsBreak(context, where) ? context.format.breakWith : emptyCharacter) +
       context.indentWith;
   } else {
     return Marker.OPEN_CURLY_BRACKET;
@@ -148,10 +163,10 @@ function closeBrace(context, where, beforeBlockEnd, isLast) {
   if (context.format) {
     context.indentBy -= context.format.indentBy;
     context.indentWith = context.format.indentWith.repeat(context.indentBy);
-    return (allowsBreak(context, Breaks.AfterProperty) || beforeBlockEnd && allowsBreak(context, Breaks.BeforeBlockEnds) ? lineBreak : emptyCharacter) +
+    return (allowsBreak(context, Breaks.AfterProperty) || beforeBlockEnd && allowsBreak(context, Breaks.BeforeBlockEnds) ? context.format.breakWith : emptyCharacter) +
       context.indentWith +
       Marker.CLOSE_CURLY_BRACKET +
-      (isLast ? emptyCharacter : (allowsBreak(context, where) ? lineBreak : emptyCharacter) + context.indentWith);
+      (isLast ? emptyCharacter : (allowsBreak(context, where) ? context.format.breakWith : emptyCharacter) + context.indentWith);
   } else {
     return Marker.CLOSE_CURLY_BRACKET;
   }
@@ -165,13 +180,13 @@ function colon(context) {
 
 function semicolon(context, where, isLast) {
   return context.format ?
-    Marker.SEMICOLON + (isLast || !allowsBreak(context, where) ? emptyCharacter : lineBreak + context.indentWith) :
+    Marker.SEMICOLON + (isLast || !allowsBreak(context, where) ? emptyCharacter : context.format.breakWith + context.indentWith) :
     Marker.SEMICOLON;
 }
 
 function comma(context) {
   return context.format ?
-    Marker.COMMA + (allowsBreak(context, Breaks.BetweenSelectors) ? lineBreak : emptyCharacter) + context.indentWith :
+    Marker.COMMA + (allowsBreak(context, Breaks.BetweenSelectors) ? context.format.breakWith : emptyCharacter) + context.indentWith :
     Marker.COMMA;
 }
 
@@ -204,7 +219,10 @@ function all(context, tokens) {
         break;
       case Token.COMMENT:
         store(context, token);
-        store(context, allowsBreak(context, Breaks.AfterComment) ? lineBreak : emptyCharacter);
+        store(context, allowsBreak(context, Breaks.AfterComment) ? context.format.breakWith : emptyCharacter);
+        break;
+      case Token.RAW:
+        store(context, token);
         break;
       case Token.RULE:
         rules(context, token[1]);

node_modules/clean-css/lib/writer/simple.js

@@ -1,7 +1,5 @@
 var all = require('./helpers').all;
 
-var lineBreak = require('os').EOL;
-
 function store(serializeContext, token) {
   var value = typeof token == 'string' ?
     token :
@@ -15,8 +13,8 @@ function store(serializeContext, token) {
 
 function wrap(serializeContext, value) {
   if (serializeContext.column + value.length > serializeContext.format.wrapAt) {
-    track(serializeContext, lineBreak);
-    serializeContext.output.push(lineBreak);
+    track(serializeContext, serializeContext.format.breakWith);
+    serializeContext.output.push(serializeContext.format.breakWith);
   }
 }
 

node_modules/clean-css/lib/writer/source-maps.js

@@ -1,7 +1,6 @@
 var SourceMapGenerator = require('source-map').SourceMapGenerator;
 var all = require('./helpers').all;
 
-var lineBreak = require('os').EOL;
 var isRemoteResource = require('../utils/is-remote-resource');
 
 var isWindows = process.platform == 'win32';
@@ -23,8 +22,8 @@ function store(serializeContext, element) {
 
 function wrap(serializeContext, value) {
   if (serializeContext.column + value.length > serializeContext.format.wrapAt) {
-    track(serializeContext, lineBreak, false);
-    serializeContext.output.push(lineBreak);
+    track(serializeContext, serializeContext.format.breakWith, false);
+    serializeContext.output.push(serializeContext.format.breakWith);
   }
 }