remove node_modules

8 files changed, 0 insertions, 1204 deletions

diff --git a/node_modules/clean-css/lib/optimizer/level-1/optimize.js b/node_modules/clean-css/lib/optimizer/level-1/optimize.js
deleted file mode 100644
index 13cfd8c52..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/optimize.js
+++ /dev/null
@@ -1,676 +0,0 @@
-var shortenHex = require('./shorten-hex');
-var shortenHsl = require('./shorten-hsl');
-var shortenRgb = require('./shorten-rgb');
-var sortSelectors = require('./sort-selectors');
-var tidyRules = require('./tidy-rules');
-var tidyBlock = require('./tidy-block');
-var tidyAtRule = require('./tidy-at-rule');
-
-var Hack = require('../hack');
-var removeUnused = require('../remove-unused');
-var restoreFromOptimizing = require('../restore-from-optimizing');
-var wrapForOptimizing = require('../wrap-for-optimizing').all;
-
-var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel;
-
-var Token = require('../../tokenizer/token');
-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';
-var CHARSET_REGEXP = new RegExp('^' + CHARSET_TOKEN, 'i');
-
-var DEFAULT_ROUNDING_PRECISION = require('../../options/rounding-precision').DEFAULT;
-
-var WHOLE_PIXEL_VALUE = /(?:^|\s|\()(-?\d+)px/;
-var TIME_VALUE = /^(\-?[\d\.]+)(m?s)$/;
-
-var HEX_VALUE_PATTERN = /[0-9a-f]/i;
-var PROPERTY_NAME_PATTERN = /^(?:\-chrome\-|\-[\w\-]+\w|\w[\w\-]+\w|\-\-\S+)$/;
-var IMPORT_PREFIX_PATTERN = /^@import/i;
-var QUOTED_PATTERN = /^('.*'|".*")$/;
-var QUOTED_BUT_SAFE_PATTERN = /^['"][a-zA-Z][a-zA-Z\d\-_]+['"]$/;
-var URL_PREFIX_PATTERN = /^url\(/i;
-var VARIABLE_NAME_PATTERN = /^--\S+$/;
-
-function isNegative(value) {
-  return value && value[1][0] == '-' && parseFloat(value[1]) < 0;
-}
-
-function isQuoted(value) {
-  return QUOTED_PATTERN.test(value);
-}
-
-function isUrl(value) {
-  return URL_PREFIX_PATTERN.test(value);
-}
-
-function normalizeUrl(value) {
-  return value
-    .replace(URL_PREFIX_PATTERN, 'url(')
-    .replace(/\\?\n|\\?\r\n/g, '');
-}
-
-function optimizeBackground(property) {
-  var values = property.value;
-
-  if (values.length == 1 && values[0][1] == 'none') {
-    values[0][1] = '0 0';
-  }
-
-  if (values.length == 1 && values[0][1] == 'transparent') {
-    values[0][1] = '0 0';
-  }
-}
-
-function optimizeBorderRadius(property) {
-  var values = property.value;
-  var spliceAt;
-
-  if (values.length == 3 && values[1][1] == '/' && values[0][1] == values[2][1]) {
-    spliceAt = 1;
-  } else if (values.length == 5 && values[2][1] == '/' && values[0][1] == values[3][1] && values[1][1] == values[4][1]) {
-    spliceAt = 2;
-  } else if (values.length == 7 && values[3][1] == '/' && values[0][1] == values[4][1] && values[1][1] == values[5][1] && values[2][1] == values[6][1]) {
-    spliceAt = 3;
-  } else if (values.length == 9 && values[4][1] == '/' && values[0][1] == values[5][1] && values[1][1] == values[6][1] && values[2][1] == values[7][1] && values[3][1] == values[8][1]) {
-    spliceAt = 4;
-  }
-
-  if (spliceAt) {
-    property.value.splice(spliceAt);
-    property.dirty = true;
-  }
-}
-
-function optimizeColors(name, value, compatibility) {
-  if (value.indexOf('#') === -1 && value.indexOf('rgb') == -1 && value.indexOf('hsl') == -1) {
-    return shortenHex(value);
-  }
-
-  value = value
-    .replace(/rgb\((\-?\d+),(\-?\d+),(\-?\d+)\)/g, function (match, red, green, blue) {
-      return shortenRgb(red, green, blue);
-    })
-    .replace(/hsl\((-?\d+),(-?\d+)%?,(-?\d+)%?\)/g, function (match, hue, saturation, lightness) {
-      return shortenHsl(hue, saturation, lightness);
-    })
-    .replace(/(^|[^='"])#([0-9a-f]{6})/gi, function (match, prefix, color, at, inputValue) {
-      var suffix = inputValue[at + match.length];
-
-      if (suffix && HEX_VALUE_PATTERN.test(suffix)) {
-        return match;
-      } else if (color[0] == color[1] && color[2] == color[3] && color[4] == color[5]) {
-        return (prefix + '#' + color[0] + color[2] + color[4]).toLowerCase();
-      } else {
-        return (prefix + '#' + color).toLowerCase();
-      }
-    })
-    .replace(/(^|[^='"])#([0-9a-f]{3})/gi, function (match, prefix, color) {
-      return prefix + '#' + color.toLowerCase();
-    })
-    .replace(/(rgb|rgba|hsl|hsla)\(([^\)]+)\)/g, function (match, colorFunction, colorDef) {
-      var tokens = colorDef.split(',');
-      var applies = (colorFunction == 'hsl' && tokens.length == 3) ||
-        (colorFunction == 'hsla' && tokens.length == 4) ||
-        (colorFunction == 'rgb' && tokens.length == 3 && colorDef.indexOf('%') > 0) ||
-        (colorFunction == 'rgba' && tokens.length == 4 && colorDef.indexOf('%') > 0);
-
-      if (!applies) {
-        return match;
-      }
-
-      if (tokens[1].indexOf('%') == -1) {
-        tokens[1] += '%';
-      }
-
-      if (tokens[2].indexOf('%') == -1) {
-        tokens[2] += '%';
-      }
-
-      return colorFunction + '(' + tokens.join(',') + ')';
-    });
-
-  if (compatibility.colors.opacity && name.indexOf('background') == -1) {
-    value = value.replace(/(?:rgba|hsla)\(0,0%?,0%?,0\)/g, function (match) {
-      if (split(value, ',').pop().indexOf('gradient(') > -1) {
-        return match;
-      }
-
-      return 'transparent';
-    });
-  }
-
-  return shortenHex(value);
-}
-
-function optimizeFilter(property) {
-  if (property.value.length == 1) {
-    property.value[0][1] = property.value[0][1].replace(/progid:DXImageTransform\.Microsoft\.(Alpha|Chroma)(\W)/, function (match, filter, suffix) {
-      return filter.toLowerCase() + suffix;
-    });
-  }
-
-  property.value[0][1] = property.value[0][1]
-    .replace(/,(\S)/g, ', $1')
-    .replace(/ ?= ?/g, '=');
-}
-
-function optimizeFontWeight(property, atIndex) {
-  var value = property.value[atIndex][1];
-
-  if (value == 'normal') {
-    value = '400';
-  } else if (value == 'bold') {
-    value = '700';
-  }
-
-  property.value[atIndex][1] = value;
-}
-
-function optimizeMultipleZeros(property) {
-  var values = property.value;
-  var spliceAt;
-
-  if (values.length == 4 && values[0][1] === '0' && values[1][1] === '0' && values[2][1] === '0' && values[3][1] === '0') {
-    if (property.name.indexOf('box-shadow') > -1) {
-      spliceAt = 2;
-    } else {
-      spliceAt = 1;
-    }
-  }
-
-  if (spliceAt) {
-    property.value.splice(spliceAt);
-    property.dirty = true;
-  }
-}
-
-function optimizeOutline(property) {
-  var values = property.value;
-
-  if (values.length == 1 && values[0][1] == 'none') {
-    values[0][1] = '0';
-  }
-}
-
-function optimizePixelLengths(_, value, compatibility) {
-  if (!WHOLE_PIXEL_VALUE.test(value)) {
-    return value;
-  }
-
-  return value.replace(WHOLE_PIXEL_VALUE, function (match, val) {
-    var newValue;
-    var intVal = parseInt(val);
-
-    if (intVal === 0) {
-      return match;
-    }
-
-    if (compatibility.properties.shorterLengthUnits && compatibility.units.pt && intVal * 3 % 4 === 0) {
-      newValue = intVal * 3 / 4 + 'pt';
-    }
-
-    if (compatibility.properties.shorterLengthUnits && compatibility.units.pc && intVal % 16 === 0) {
-      newValue = intVal / 16 + 'pc';
-    }
-
-    if (compatibility.properties.shorterLengthUnits && compatibility.units.in && intVal % 96 === 0) {
-      newValue = intVal / 96 + 'in';
-    }
-
-    if (newValue) {
-      newValue = match.substring(0, match.indexOf(val)) + newValue;
-    }
-
-    return newValue && newValue.length < match.length ? newValue : match;
-  });
-}
-
-function optimizePrecision(_, value, precisionOptions) {
-  if (!precisionOptions.enabled || value.indexOf('.') === -1) {
-    return value;
-  }
-
-  return value
-    .replace(precisionOptions.decimalPointMatcher, '$1$2$3')
-    .replace(precisionOptions.zeroMatcher, function (match, integerPart, fractionPart, unit) {
-      var multiplier = precisionOptions.units[unit].multiplier;
-      var parsedInteger = parseInt(integerPart);
-      var integer = isNaN(parsedInteger) ? 0 : parsedInteger;
-      var fraction = parseFloat(fractionPart);
-
-      return Math.round((integer + fraction) * multiplier) / multiplier + unit;
-    });
-}
-
-function optimizeTimeUnits(_, value) {
-  if (!TIME_VALUE.test(value))
-    return value;
-
-  return value.replace(TIME_VALUE, function (match, val, unit) {
-    var newValue;
-
-    if (unit == 'ms') {
-      newValue = parseInt(val) / 1000 + 's';
-    } else if (unit == 's') {
-      newValue = parseFloat(val) * 1000 + 'ms';
-    }
-
-    return newValue.length < match.length ? newValue : match;
-  });
-}
-
-function optimizeUnits(name, value, unitsRegexp) {
-  if (/^(?:\-moz\-calc|\-webkit\-calc|calc|rgb|hsl|rgba|hsla)\(/.test(value)) {
-    return value;
-  }
-
-  if (name == 'flex' || name == '-ms-flex' || name == '-webkit-flex' || name == 'flex-basis' || name == '-webkit-flex-basis') {
-    return value;
-  }
-
-  if (value.indexOf('%') > 0 && (name == 'height' || name == 'max-height' || name == 'width' || name == 'max-width')) {
-    return value;
-  }
-
-  return value
-    .replace(unitsRegexp, '$1' + '0' + '$2')
-    .replace(unitsRegexp, '$1' + '0' + '$2');
-}
-
-function optimizeWhitespace(name, value) {
-  if (name.indexOf('filter') > -1 || value.indexOf(' ') == -1 || value.indexOf('expression') === 0) {
-    return value;
-  }
-
-  if (value.indexOf(Marker.SINGLE_QUOTE) > -1 || value.indexOf(Marker.DOUBLE_QUOTE) > -1) {
-    return value;
-  }
-
-  value = value.replace(/\s+/g, ' ');
-
-  if (value.indexOf('calc') > -1) {
-    value = value.replace(/\) ?\/ ?/g, ')/ ');
-  }
-
-  return value
-    .replace(/(\(;?)\s+/g, '$1')
-    .replace(/\s+(;?\))/g, '$1')
-    .replace(/, /g, ',');
-}
-
-function optimizeZeroDegUnit(_, value) {
-  if (value.indexOf('0deg') == -1) {
-    return value;
-  }
-
-  return value.replace(/\(0deg\)/g, '(0)');
-}
-
-function optimizeZeroUnits(name, value) {
-  if (value.indexOf('0') == -1) {
-    return value;
-  }
-
-  if (value.indexOf('-') > -1) {
-    value = value
-      .replace(/([^\w\d\-]|^)\-0([^\.]|$)/g, '$10$2')
-      .replace(/([^\w\d\-]|^)\-0([^\.]|$)/g, '$10$2');
-  }
-
-  return value
-    .replace(/(^|\s)0+([1-9])/g, '$1$2')
-    .replace(/(^|\D)\.0+(\D|$)/g, '$10$2')
-    .replace(/(^|\D)\.0+(\D|$)/g, '$10$2')
-    .replace(/\.([1-9]*)0+(\D|$)/g, function (match, nonZeroPart, suffix) {
-      return (nonZeroPart.length > 0 ? '.' : '') + nonZeroPart + suffix;
-    })
-    .replace(/(^|\D)0\.(\d)/g, '$1.$2');
-}
-
-function removeQuotes(name, value) {
-  if (name == 'content' || name.indexOf('font-variation-settings') > -1 || name.indexOf('font-feature-settings') > -1 || name.indexOf('grid-') > -1) {
-    return value;
-  }
-
-  return QUOTED_BUT_SAFE_PATTERN.test(value) ?
-    value.substring(1, value.length - 1) :
-    value;
-}
-
-function removeUrlQuotes(value) {
-  return /^url\(['"].+['"]\)$/.test(value) && !/^url\(['"].*[\*\s\(\)'"].*['"]\)$/.test(value) && !/^url\(['"]data:[^;]+;charset/.test(value) ?
-    value.replace(/["']/g, '') :
-    value;
-}
-
-function transformValue(propertyName, propertyValue, rule, transformCallback) {
-  var selector = serializeRules(rule);
-  var transformedValue = transformCallback(propertyName, propertyValue, selector);
-
-  if (transformedValue === undefined) {
-    return propertyValue;
-  } else if (transformedValue === false) {
-    return IgnoreProperty;
-  } else {
-    return transformedValue;
-  }
-}
-
-//
-
-function optimizeBody(rule, properties, context) {
-  var options = context.options;
-  var levelOptions = options.level[OptimizationLevel.One];
-  var property, name, type, value;
-  var valueIsUrl;
-  var propertyToken;
-  var _properties = wrapForOptimizing(properties, true);
-
-  propertyLoop:
-  for (var i = 0, l = _properties.length; i < l; i++) {
-    property = _properties[i];
-    name = property.name;
-
-    if (!PROPERTY_NAME_PATTERN.test(name)) {
-      propertyToken = property.all[property.position];
-      context.warnings.push('Invalid property name \'' + name + '\' at ' + formatPosition(propertyToken[1][2][0]) + '. Ignoring.');
-      property.unused = true;
-    }
-
-    if (property.value.length === 0) {
-      propertyToken = property.all[property.position];
-      context.warnings.push('Empty property \'' + name + '\' at ' + formatPosition(propertyToken[1][2][0]) + '. Ignoring.');
-      property.unused = true;
-    }
-
-    if (property.hack && (
-        (property.hack[0] == Hack.ASTERISK || property.hack[0] == Hack.UNDERSCORE) && !options.compatibility.properties.iePrefixHack ||
-        property.hack[0] == Hack.BACKSLASH && !options.compatibility.properties.ieSuffixHack ||
-        property.hack[0] == Hack.BANG && !options.compatibility.properties.ieBangHack)) {
-      property.unused = true;
-    }
-
-    if (levelOptions.removeNegativePaddings && name.indexOf('padding') === 0 && (isNegative(property.value[0]) || isNegative(property.value[1]) || isNegative(property.value[2]) || isNegative(property.value[3]))) {
-      property.unused = true;
-    }
-
-    if (!options.compatibility.properties.ieFilters && isLegacyFilter(property)) {
-      property.unused = true;
-    }
-
-    if (property.unused) {
-      continue;
-    }
-
-    if (property.block) {
-      optimizeBody(rule, property.value[0][1], context);
-      continue;
-    }
-
-    if (VARIABLE_NAME_PATTERN.test(name)) {
-      continue;
-    }
-
-    for (var j = 0, m = property.value.length; j < m; j++) {
-      type = property.value[j][0];
-      value = property.value[j][1];
-      valueIsUrl = isUrl(value);
-
-      if (type == Token.PROPERTY_BLOCK) {
-        property.unused = true;
-        context.warnings.push('Invalid value token at ' + formatPosition(value[0][1][2][0]) + '. Ignoring.');
-        break;
-      }
-
-      if (valueIsUrl && !context.validator.isUrl(value)) {
-        property.unused = true;
-        context.warnings.push('Broken URL \'' + value + '\' at ' + formatPosition(property.value[j][2][0]) + '. Ignoring.');
-        break;
-      }
-
-      if (valueIsUrl) {
-        value = levelOptions.normalizeUrls ?
-          normalizeUrl(value) :
-          value;
-        value = !options.compatibility.properties.urlQuotes ?
-          removeUrlQuotes(value) :
-          value;
-      } else if (isQuoted(value)) {
-        value = levelOptions.removeQuotes ?
-          removeQuotes(name, value) :
-          value;
-      } else {
-        value = levelOptions.removeWhitespace ?
-          optimizeWhitespace(name, value) :
-          value;
-        value = optimizePrecision(name, value, options.precision);
-        value = optimizePixelLengths(name, value, options.compatibility);
-        value = levelOptions.replaceTimeUnits ?
-          optimizeTimeUnits(name, value) :
-          value;
-        value = levelOptions.replaceZeroUnits ?
-          optimizeZeroUnits(name, value) :
-          value;
-
-        if (options.compatibility.properties.zeroUnits) {
-          value = optimizeZeroDegUnit(name, value);
-          value = optimizeUnits(name, value, options.unitsRegexp);
-        }
-
-        if (options.compatibility.properties.colors) {
-          value = optimizeColors(name, value, options.compatibility);
-        }
-      }
-
-      value = transformValue(name, value, rule, levelOptions.transform);
-
-      if (value === IgnoreProperty) {
-        property.unused = true;
-        continue propertyLoop;
-      }
-
-      property.value[j][1] = value;
-    }
-
-    if (levelOptions.replaceMultipleZeros) {
-      optimizeMultipleZeros(property);
-    }
-
-    if (name == 'background' && levelOptions.optimizeBackground) {
-      optimizeBackground(property);
-    } else if (name.indexOf('border') === 0 && name.indexOf('radius') > 0 && levelOptions.optimizeBorderRadius) {
-      optimizeBorderRadius(property);
-    } else if (name == 'filter'&& levelOptions.optimizeFilter && options.compatibility.properties.ieFilters) {
-      optimizeFilter(property);
-    } else if (name == 'font-weight' && levelOptions.optimizeFontWeight) {
-      optimizeFontWeight(property, 0);
-    } else if (name == 'outline' && levelOptions.optimizeOutline) {
-      optimizeOutline(property);
-    }
-  }
-
-  restoreFromOptimizing(_properties);
-  removeUnused(_properties);
-  removeComments(properties, options);
-}
-
-function removeComments(tokens, options) {
-  var token;
-  var i;
-
-  for (i = 0; i < tokens.length; i++) {
-    token = tokens[i];
-
-    if (token[0] != Token.COMMENT) {
-      continue;
-    }
-
-    optimizeComment(token, options);
-
-    if (token[1].length === 0) {
-      tokens.splice(i, 1);
-      i--;
-    }
-  }
-}
-
-function optimizeComment(token, options) {
-  if (token[1][2] == Marker.EXCLAMATION && (options.level[OptimizationLevel.One].specialComments == 'all' || options.commentsKept < options.level[OptimizationLevel.One].specialComments)) {
-    options.commentsKept++;
-    return;
-  }
-
-  token[1] = [];
-}
-
-function cleanupCharsets(tokens) {
-  var hasCharset = false;
-
-  for (var i = 0, l = tokens.length; i < l; i++) {
-    var token = tokens[i];
-
-    if (token[0] != Token.AT_RULE)
-      continue;
-
-    if (!CHARSET_REGEXP.test(token[1]))
-      continue;
-
-    if (hasCharset || token[1].indexOf(CHARSET_TOKEN) == -1) {
-      tokens.splice(i, 1);
-      i--;
-      l--;
-    } else {
-      hasCharset = true;
-      tokens.splice(i, 1);
-      tokens.unshift([Token.AT_RULE, token[1].replace(CHARSET_REGEXP, CHARSET_TOKEN)]);
-    }
-  }
-}
-
-function buildUnitRegexp(options) {
-  var units = ['px', 'em', 'ex', 'cm', 'mm', 'in', 'pt', 'pc', '%'];
-  var otherUnits = ['ch', 'rem', 'vh', 'vm', 'vmax', 'vmin', 'vw'];
-
-  otherUnits.forEach(function (unit) {
-    if (options.compatibility.units[unit]) {
-      units.push(unit);
-    }
-  });
-
-  return new RegExp('(^|\\s|\\(|,)0(?:' + units.join('|') + ')(\\W|$)', 'g');
-}
-
-function buildPrecisionOptions(roundingPrecision) {
-  var precisionOptions = {
-    matcher: null,
-    units: {},
-  };
-  var optimizable = [];
-  var unit;
-  var value;
-
-  for (unit in roundingPrecision) {
-    value = roundingPrecision[unit];
-
-    if (value != DEFAULT_ROUNDING_PRECISION) {
-      precisionOptions.units[unit] = {};
-      precisionOptions.units[unit].value = value;
-      precisionOptions.units[unit].multiplier = Math.pow(10, value);
-
-      optimizable.push(unit);
-    }
-  }
-
-  if (optimizable.length > 0) {
-    precisionOptions.enabled = true;
-    precisionOptions.decimalPointMatcher = new RegExp('(\\d)\\.($|' + optimizable.join('|') + ')($|\W)', 'g');
-    precisionOptions.zeroMatcher = new RegExp('(\\d*)(\\.\\d+)(' + optimizable.join('|') + ')', 'g');
-  }
-
-  return precisionOptions;
-}
-
-function isImport(token) {
-  return IMPORT_PREFIX_PATTERN.test(token[1]);
-}
-
-function isLegacyFilter(property) {
-  var value;
-
-  if (property.name == 'filter' || property.name == '-ms-filter') {
-    value = property.value[0][1];
-
-    return value.indexOf('progid') > -1 ||
-      value.indexOf('alpha') === 0 ||
-      value.indexOf('chroma') === 0;
-  } else {
-    return false;
-  }
-}
-
-function level1Optimize(tokens, context) {
-  var options = context.options;
-  var levelOptions = options.level[OptimizationLevel.One];
-  var ie7Hack = options.compatibility.selectors.ie7Hack;
-  var adjacentSpace = options.compatibility.selectors.adjacentSpace;
-  var spaceAfterClosingBrace = options.compatibility.properties.spaceAfterClosingBrace;
-  var format = options.format;
-  var mayHaveCharset = false;
-  var afterRules = false;
-
-  options.unitsRegexp = options.unitsRegexp || buildUnitRegexp(options);
-  options.precision = options.precision || buildPrecisionOptions(levelOptions.roundingPrecision);
-  options.commentsKept = options.commentsKept || 0;
-
-  for (var i = 0, l = tokens.length; i < l; i++) {
-    var token = tokens[i];
-
-    switch (token[0]) {
-      case Token.AT_RULE:
-        token[1] = isImport(token) && afterRules ? '' : token[1];
-        token[1] = levelOptions.tidyAtRules ? tidyAtRule(token[1]) : token[1];
-        mayHaveCharset = true;
-        break;
-      case Token.AT_RULE_BLOCK:
-        optimizeBody(token[1], token[2], context);
-        afterRules = true;
-        break;
-      case Token.NESTED_BLOCK:
-        token[1] = levelOptions.tidyBlockScopes ? tidyBlock(token[1], spaceAfterClosingBrace) : token[1];
-        level1Optimize(token[2], context);
-        afterRules = true;
-        break;
-      case Token.COMMENT:
-        optimizeComment(token, options);
-        break;
-      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[1], token[2], context);
-        afterRules = true;
-        break;
-    }
-
-    if (token[0] == Token.COMMENT && token[1].length === 0 || levelOptions.removeEmpty && (token[1].length === 0 || (token[2] && token[2].length === 0))) {
-      tokens.splice(i, 1);
-      i--;
-      l--;
-    }
-  }
-
-  if (levelOptions.cleanupCharsets && mayHaveCharset) {
-    cleanupCharsets(tokens);
-  }
-
-  return tokens;
-}
-
-module.exports = level1Optimize;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/shorten-hex.js b/node_modules/clean-css/lib/optimizer/level-1/shorten-hex.js
deleted file mode 100644
index 3deea381c..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/shorten-hex.js
+++ /dev/null
@@ -1,189 +0,0 @@
-var COLORS = {
-  aliceblue: '#f0f8ff',
-  antiquewhite: '#faebd7',
-  aqua: '#0ff',
-  aquamarine: '#7fffd4',
-  azure: '#f0ffff',
-  beige: '#f5f5dc',
-  bisque: '#ffe4c4',
-  black: '#000',
-  blanchedalmond: '#ffebcd',
-  blue: '#00f',
-  blueviolet: '#8a2be2',
-  brown: '#a52a2a',
-  burlywood: '#deb887',
-  cadetblue: '#5f9ea0',
-  chartreuse: '#7fff00',
-  chocolate: '#d2691e',
-  coral: '#ff7f50',
-  cornflowerblue: '#6495ed',
-  cornsilk: '#fff8dc',
-  crimson: '#dc143c',
-  cyan: '#0ff',
-  darkblue: '#00008b',
-  darkcyan: '#008b8b',
-  darkgoldenrod: '#b8860b',
-  darkgray: '#a9a9a9',
-  darkgreen: '#006400',
-  darkgrey: '#a9a9a9',
-  darkkhaki: '#bdb76b',
-  darkmagenta: '#8b008b',
-  darkolivegreen: '#556b2f',
-  darkorange: '#ff8c00',
-  darkorchid: '#9932cc',
-  darkred: '#8b0000',
-  darksalmon: '#e9967a',
-  darkseagreen: '#8fbc8f',
-  darkslateblue: '#483d8b',
-  darkslategray: '#2f4f4f',
-  darkslategrey: '#2f4f4f',
-  darkturquoise: '#00ced1',
-  darkviolet: '#9400d3',
-  deeppink: '#ff1493',
-  deepskyblue: '#00bfff',
-  dimgray: '#696969',
-  dimgrey: '#696969',
-  dodgerblue: '#1e90ff',
-  firebrick: '#b22222',
-  floralwhite: '#fffaf0',
-  forestgreen: '#228b22',
-  fuchsia: '#f0f',
-  gainsboro: '#dcdcdc',
-  ghostwhite: '#f8f8ff',
-  gold: '#ffd700',
-  goldenrod: '#daa520',
-  gray: '#808080',
-  green: '#008000',
-  greenyellow: '#adff2f',
-  grey: '#808080',
-  honeydew: '#f0fff0',
-  hotpink: '#ff69b4',
-  indianred: '#cd5c5c',
-  indigo: '#4b0082',
-  ivory: '#fffff0',
-  khaki: '#f0e68c',
-  lavender: '#e6e6fa',
-  lavenderblush: '#fff0f5',
-  lawngreen: '#7cfc00',
-  lemonchiffon: '#fffacd',
-  lightblue: '#add8e6',
-  lightcoral: '#f08080',
-  lightcyan: '#e0ffff',
-  lightgoldenrodyellow: '#fafad2',
-  lightgray: '#d3d3d3',
-  lightgreen: '#90ee90',
-  lightgrey: '#d3d3d3',
-  lightpink: '#ffb6c1',
-  lightsalmon: '#ffa07a',
-  lightseagreen: '#20b2aa',
-  lightskyblue: '#87cefa',
-  lightslategray: '#778899',
-  lightslategrey: '#778899',
-  lightsteelblue: '#b0c4de',
-  lightyellow: '#ffffe0',
-  lime: '#0f0',
-  limegreen: '#32cd32',
-  linen: '#faf0e6',
-  magenta: '#ff00ff',
-  maroon: '#800000',
-  mediumaquamarine: '#66cdaa',
-  mediumblue: '#0000cd',
-  mediumorchid: '#ba55d3',
-  mediumpurple: '#9370db',
-  mediumseagreen: '#3cb371',
-  mediumslateblue: '#7b68ee',
-  mediumspringgreen: '#00fa9a',
-  mediumturquoise: '#48d1cc',
-  mediumvioletred: '#c71585',
-  midnightblue: '#191970',
-  mintcream: '#f5fffa',
-  mistyrose: '#ffe4e1',
-  moccasin: '#ffe4b5',
-  navajowhite: '#ffdead',
-  navy: '#000080',
-  oldlace: '#fdf5e6',
-  olive: '#808000',
-  olivedrab: '#6b8e23',
-  orange: '#ffa500',
-  orangered: '#ff4500',
-  orchid: '#da70d6',
-  palegoldenrod: '#eee8aa',
-  palegreen: '#98fb98',
-  paleturquoise: '#afeeee',
-  palevioletred: '#db7093',
-  papayawhip: '#ffefd5',
-  peachpuff: '#ffdab9',
-  peru: '#cd853f',
-  pink: '#ffc0cb',
-  plum: '#dda0dd',
-  powderblue: '#b0e0e6',
-  purple: '#800080',
-  rebeccapurple: '#663399',
-  red: '#f00',
-  rosybrown: '#bc8f8f',
-  royalblue: '#4169e1',
-  saddlebrown: '#8b4513',
-  salmon: '#fa8072',
-  sandybrown: '#f4a460',
-  seagreen: '#2e8b57',
-  seashell: '#fff5ee',
-  sienna: '#a0522d',
-  silver: '#c0c0c0',
-  skyblue: '#87ceeb',
-  slateblue: '#6a5acd',
-  slategray: '#708090',
-  slategrey: '#708090',
-  snow: '#fffafa',
-  springgreen: '#00ff7f',
-  steelblue: '#4682b4',
-  tan: '#d2b48c',
-  teal: '#008080',
-  thistle: '#d8bfd8',
-  tomato: '#ff6347',
-  turquoise: '#40e0d0',
-  violet: '#ee82ee',
-  wheat: '#f5deb3',
-  white: '#fff',
-  whitesmoke: '#f5f5f5',
-  yellow: '#ff0',
-  yellowgreen: '#9acd32'
-};
-
-var toHex = {};
-var toName = {};
-
-for (var name in COLORS) {
-  var hex = COLORS[name];
-
-  if (name.length < hex.length) {
-    toName[hex] = name;
-  } else {
-    toHex[name] = hex;
-  }
-}
-
-var toHexPattern = new RegExp('(^| |,|\\))(' + Object.keys(toHex).join('|') + ')( |,|\\)|$)', 'ig');
-var toNamePattern = new RegExp('(' + Object.keys(toName).join('|') + ')([^a-f0-9]|$)', 'ig');
-
-function hexConverter(match, prefix, colorValue, suffix) {
-  return prefix + toHex[colorValue.toLowerCase()] + suffix;
-}
-
-function nameConverter(match, colorValue, suffix) {
-  return toName[colorValue.toLowerCase()] + suffix;
-}
-
-function shortenHex(value) {
-  var hasHex = value.indexOf('#') > -1;
-  var shortened = value.replace(toHexPattern, hexConverter);
-
-  if (shortened != value) {
-    shortened = shortened.replace(toHexPattern, hexConverter);
-  }
-
-  return hasHex ?
-    shortened.replace(toNamePattern, nameConverter) :
-    shortened;
-}
-
-module.exports = shortenHex;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/shorten-hsl.js b/node_modules/clean-css/lib/optimizer/level-1/shorten-hsl.js
deleted file mode 100644
index fe98dfd39..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/shorten-hsl.js
+++ /dev/null
@@ -1,61 +0,0 @@
-// HSL to RGB converter. Both methods adapted from:
-// http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
-
-function hslToRgb(h, s, l) {
-  var r, g, b;
-
-  // normalize hue orientation b/w 0 and 360 degrees
-  h = h % 360;
-  if (h < 0)
-    h += 360;
-  h = ~~h / 360;
-
-  if (s < 0)
-    s = 0;
-  else if (s > 100)
-    s = 100;
-  s = ~~s / 100;
-
-  if (l < 0)
-    l = 0;
-  else if (l > 100)
-    l = 100;
-  l = ~~l / 100;
-
-  if (s === 0) {
-    r = g = b = l; // achromatic
-  } else {
-    var q = l < 0.5 ?
-      l * (1 + s) :
-      l + s - l * s;
-    var p = 2 * l - q;
-    r = hueToRgb(p, q, h + 1/3);
-    g = hueToRgb(p, q, h);
-    b = hueToRgb(p, q, h - 1/3);
-  }
-
-  return [~~(r * 255), ~~(g * 255), ~~(b * 255)];
-}
-
-function hueToRgb(p, q, t) {
-  if (t < 0) t += 1;
-  if (t > 1) t -= 1;
-  if (t < 1/6) return p + (q - p) * 6 * t;
-  if (t < 1/2) return q;
-  if (t < 2/3) return p + (q - p) * (2/3 - t) * 6;
-  return p;
-}
-
-function shortenHsl(hue, saturation, lightness) {
-  var asRgb = hslToRgb(hue, saturation, lightness);
-  var redAsHex = asRgb[0].toString(16);
-  var greenAsHex = asRgb[1].toString(16);
-  var blueAsHex = asRgb[2].toString(16);
-
-  return '#' +
-    ((redAsHex.length == 1 ? '0' : '') + redAsHex) +
-    ((greenAsHex.length == 1 ? '0' : '') + greenAsHex) +
-    ((blueAsHex.length == 1 ? '0' : '') + blueAsHex);
-}
-
-module.exports = shortenHsl;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/shorten-rgb.js b/node_modules/clean-css/lib/optimizer/level-1/shorten-rgb.js
deleted file mode 100644
index 3c0a5fa31..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/shorten-rgb.js
+++ /dev/null
@@ -1,10 +0,0 @@
-function shortenRgb(red, green, blue) {
-  var normalizedRed = Math.max(0, Math.min(parseInt(red), 255));
-  var normalizedGreen = Math.max(0, Math.min(parseInt(green), 255));
-  var normalizedBlue = Math.max(0, Math.min(parseInt(blue), 255));
-
-  // Credit: Asen  http://jsbin.com/UPUmaGOc/2/edit?js,console
-  return '#' + ('00000' + (normalizedRed << 16 | normalizedGreen << 8 | normalizedBlue).toString(16)).slice(-6);
-}
-
-module.exports = shortenRgb;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/sort-selectors.js b/node_modules/clean-css/lib/optimizer/level-1/sort-selectors.js
deleted file mode 100644
index 5b261dfb0..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/sort-selectors.js
+++ /dev/null
@@ -1,23 +0,0 @@
-var naturalCompare = require('../../utils/natural-compare');
-
-function naturalSorter(scope1, scope2) {
-  return naturalCompare(scope1[1], scope2[1]);
-}
-
-function standardSorter(scope1, scope2) {
-  return scope1[1] > scope2[1] ? 1 : -1;
-}
-
-function sortSelectors(selectors, method) {
-  switch (method) {
-    case 'natural':
-      return selectors.sort(naturalSorter);
-    case 'standard':
-      return selectors.sort(standardSorter);
-    case 'none':
-    case false:
-      return selectors;
-  }
-}
-
-module.exports = sortSelectors;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/tidy-at-rule.js b/node_modules/clean-css/lib/optimizer/level-1/tidy-at-rule.js
deleted file mode 100644
index a7b149fb5..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/tidy-at-rule.js
+++ /dev/null
@@ -1,9 +0,0 @@
-function tidyAtRule(value) {
-  return value
-    .replace(/\s+/g, ' ')
-    .replace(/url\(\s+/g, 'url(')
-    .replace(/\s+\)/g, ')')
-    .trim();
-}
-
-module.exports = tidyAtRule;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/tidy-block.js b/node_modules/clean-css/lib/optimizer/level-1/tidy-block.js
deleted file mode 100644
index 8322aeca7..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/tidy-block.js
+++ /dev/null
@@ -1,23 +0,0 @@
-var SUPPORTED_COMPACT_BLOCK_MATCHER = /^@media\W/;
-
-function tidyBlock(values, spaceAfterClosingBrace) {
-  var withoutSpaceAfterClosingBrace;
-  var i;
-
-  for (i = values.length - 1; i >= 0; i--) {
-    withoutSpaceAfterClosingBrace = !spaceAfterClosingBrace && SUPPORTED_COMPACT_BLOCK_MATCHER.test(values[i][1]);
-
-    values[i][1] = values[i][1]
-      .replace(/\n|\r\n/g, ' ')
-      .replace(/\s+/g, ' ')
-      .replace(/(,|:|\() /g, '$1')
-      .replace(/ \)/g, ')')
-      .replace(/'([a-zA-Z][a-zA-Z\d\-_]+)'/, '$1')
-      .replace(/"([a-zA-Z][a-zA-Z\d\-_]+)"/, '$1')
-      .replace(withoutSpaceAfterClosingBrace ? /\) /g : null, ')');
-  }
-
-  return values;
-}
-
-module.exports = tidyBlock;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js b/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
deleted file mode 100644
index d046d0efd..000000000
--- a/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
+++ /dev/null
@@ -1,213 +0,0 @@
-var Spaces = require('../../options/format').Spaces;
-var Marker = require('../../tokenizer/marker');
-var formatPosition = require('../../utils/format-position');
-
-var CASE_ATTRIBUTE_PATTERN = /[\s"'][iI]\s*\]/;
-var CASE_RESTORE_PATTERN = /([\d\w])([iI])\]/g;
-var DOUBLE_QUOTE_CASE_PATTERN = /="([a-zA-Z][a-zA-Z\d\-_]+)"([iI])/g;
-var DOUBLE_QUOTE_PATTERN = /="([a-zA-Z][a-zA-Z\d\-_]+)"(\s|\])/g;
-var HTML_COMMENT_PATTERN = /^(?:(?:<!--|-->)\s*)+/;
-var SINGLE_QUOTE_CASE_PATTERN = /='([a-zA-Z][a-zA-Z\d\-_]+)'([iI])/g;
-var SINGLE_QUOTE_PATTERN = /='([a-zA-Z][a-zA-Z\d\-_]+)'(\s|\])/g;
-var RELATION_PATTERN = /[>\+~]/;
-var WHITESPACE_PATTERN = /\s/;
-
-var ASTERISK_PLUS_HTML_HACK = '*+html ';
-var ASTERISK_FIRST_CHILD_PLUS_HTML_HACK = '*:first-child+html ';
-var LESS_THAN = '<';
-
-function hasInvalidCharacters(value) {
-  var isEscaped;
-  var isInvalid = false;
-  var character;
-  var isQuote = false;
-  var i, l;
-
-  for (i = 0, l = value.length; i < l; i++) {
-    character = value[i];
-
-    if (isEscaped) {
-      // continue as always
-    } else if (character == Marker.SINGLE_QUOTE || character == Marker.DOUBLE_QUOTE) {
-      isQuote = !isQuote;
-    } else if (!isQuote && (character == Marker.CLOSE_CURLY_BRACKET || character == Marker.EXCLAMATION || character == LESS_THAN || character == Marker.SEMICOLON)) {
-      isInvalid = true;
-      break;
-    } else if (!isQuote && i === 0 && RELATION_PATTERN.test(character)) {
-      isInvalid = true;
-      break;
-    }
-
-    isEscaped = character == Marker.BACK_SLASH;
-  }
-
-  return isInvalid;
-}
-
-function removeWhitespace(value, format) {
-  var stripped = [];
-  var character;
-  var isNewLineNix;
-  var isNewLineWin;
-  var isEscaped;
-  var wasEscaped;
-  var isQuoted;
-  var isSingleQuoted;
-  var isDoubleQuoted;
-  var isAttribute;
-  var isRelation;
-  var isWhitespace;
-  var roundBracketLevel = 0;
-  var wasRelation = false;
-  var wasWhitespace = false;
-  var withCaseAttribute = CASE_ATTRIBUTE_PATTERN.test(value);
-  var spaceAroundRelation = format && format.spaces[Spaces.AroundSelectorRelation];
-  var i, l;
-
-  for (i = 0, l = value.length; i < l; i++) {
-    character = value[i];
-
-    isNewLineNix = character == Marker.NEW_LINE_NIX;
-    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);
-
-    if (wasEscaped && isQuoted && isNewLineWin) {
-      // swallow escaped new windows lines in comments
-      stripped.pop();
-      stripped.pop();
-    } else if (isEscaped && isQuoted && isNewLineNix) {
-      // swallow escaped new *nix lines in comments
-      stripped.pop();
-    } else if (isEscaped) {
-      stripped.push(character);
-    } else if (character == Marker.OPEN_SQUARE_BRACKET && !isQuoted) {
-      stripped.push(character);
-      isAttribute = true;
-    } else if (character == Marker.CLOSE_SQUARE_BRACKET && !isQuoted) {
-      stripped.push(character);
-      isAttribute = false;
-    } else if (character == Marker.OPEN_ROUND_BRACKET && !isQuoted) {
-      stripped.push(character);
-      roundBracketLevel++;
-    } else if (character == Marker.CLOSE_ROUND_BRACKET && !isQuoted) {
-      stripped.push(character);
-      roundBracketLevel--;
-    } else if (character == Marker.SINGLE_QUOTE && !isQuoted) {
-      stripped.push(character);
-      isSingleQuoted = true;
-    } else if (character == Marker.DOUBLE_QUOTE && !isQuoted) {
-      stripped.push(character);
-      isDoubleQuoted = true;
-    } else if (character == Marker.SINGLE_QUOTE && isQuoted) {
-      stripped.push(character);
-      isSingleQuoted = false;
-    } else if (character == Marker.DOUBLE_QUOTE && isQuoted) {
-      stripped.push(character);
-      isDoubleQuoted = false;
-    } else if (isWhitespace && wasRelation && !spaceAroundRelation) {
-      continue;
-    } else if (!isWhitespace && wasRelation && spaceAroundRelation) {
-      stripped.push(Marker.SPACE);
-      stripped.push(character);
-    } else if (isWhitespace && (isAttribute || roundBracketLevel > 0) && !isQuoted) {
-      // skip space
-    } else if (isWhitespace && wasWhitespace && !isQuoted) {
-      // skip extra space
-    } else if ((isNewLineWin || isNewLineNix) && (isAttribute || roundBracketLevel > 0) && isQuoted) {
-      // skip newline
-    } else if (isRelation && wasWhitespace && !spaceAroundRelation) {
-      stripped.pop();
-      stripped.push(character);
-    } else if (isRelation && !wasWhitespace && spaceAroundRelation) {
-      stripped.push(Marker.SPACE);
-      stripped.push(character);
-    } else if (isWhitespace) {
-      stripped.push(Marker.SPACE);
-    } else {
-      stripped.push(character);
-    }
-
-    wasEscaped = isEscaped;
-    isEscaped = character == Marker.BACK_SLASH;
-    wasRelation = isRelation;
-    wasWhitespace = isWhitespace;
-  }
-
-  return withCaseAttribute ?
-    stripped.join('').replace(CASE_RESTORE_PATTERN, '$1 $2]') :
-    stripped.join('');
-}
-
-function removeQuotes(value) {
-  if (value.indexOf('\'') == -1 && value.indexOf('"') == -1) {
-    return value;
-  }
-
-  return value
-    .replace(SINGLE_QUOTE_CASE_PATTERN, '=$1 $2')
-    .replace(SINGLE_QUOTE_PATTERN, '=$1$2')
-    .replace(DOUBLE_QUOTE_CASE_PATTERN, '=$1 $2')
-    .replace(DOUBLE_QUOTE_PATTERN, '=$1$2');
-}
-
-function tidyRules(rules, removeUnsupported, adjacentSpace, format, warnings) {
-  var list = [];
-  var repeated = [];
-
-  function removeHTMLComment(rule, match) {
-    warnings.push('HTML comment \'' + match + '\' at ' + formatPosition(rule[2][0]) + '. Removing.');
-    return '';
-  }
-
-  for (var i = 0, l = rules.length; i < l; i++) {
-    var rule = rules[i];
-    var reduced = rule[1];
-
-    reduced = reduced.replace(HTML_COMMENT_PATTERN, removeHTMLComment.bind(null, rule));
-
-    if (hasInvalidCharacters(reduced)) {
-      warnings.push('Invalid selector \'' + rule[1] + '\' at ' + formatPosition(rule[2][0]) + '. Ignoring.');
-      continue;
-    }
-
-    reduced = removeWhitespace(reduced, format);
-    reduced = removeQuotes(reduced);
-
-    if (adjacentSpace && reduced.indexOf('nav') > 0) {
-      reduced = reduced.replace(/\+nav(\S|$)/, '+ nav$1');
-    }
-
-    if (removeUnsupported && reduced.indexOf(ASTERISK_PLUS_HTML_HACK) > -1) {
-      continue;
-    }
-
-    if (removeUnsupported && reduced.indexOf(ASTERISK_FIRST_CHILD_PLUS_HTML_HACK) > -1) {
-      continue;
-    }
-
-    if (reduced.indexOf('*') > -1) {
-      reduced = reduced
-        .replace(/\*([:#\.\[])/g, '$1')
-        .replace(/^(\:first\-child)?\+html/, '*$1+html');
-    }
-
-    if (repeated.indexOf(reduced) > -1) {
-      continue;
-    }
-
-    rule[1] = reduced;
-    repeated.push(reduced);
-    list.push(rule);
-  }
-
-  if (list.length == 1 && list[0][1].length === 0) {
-    warnings.push('Empty selector \'' + list[0][1] + '\' at ' + formatPosition(list[0][2][0]) + '. Ignoring.');
-    list = [];
-  }
-
-  return list;
-}
-
-module.exports = tidyRules;