node: updatemain

11 files changed, 0 insertions, 821 deletions

diff --git a/node_modules/clean-css/lib/options/compatibility.js b/node_modules/clean-css/lib/options/compatibility.js
deleted file mode 100644
index a55fc11c..00000000
--- a/node_modules/clean-css/lib/options/compatibility.js
+++ /dev/null
@@ -1,181 +0,0 @@
-var DEFAULTS = {
-  '*': {
-    colors: {
-      hexAlpha: false, // 4- and 8-character hex notation
-      opacity: true // rgba / hsla
-    },
-    customUnits: { rpx: false },
-    properties: {
-      backgroundClipMerging: true, // background-clip to shorthand
-      backgroundOriginMerging: true, // background-origin to shorthand
-      backgroundSizeMerging: true, // background-size to shorthand
-      colors: true, // any kind of color transformations, like `#ff00ff` to `#f0f` or `#fff` into `red`
-      ieBangHack: false, // !ie suffix hacks on IE<8
-      ieFilters: false, // whether to preserve `filter` and `-ms-filter` properties
-      iePrefixHack: false, // underscore / asterisk prefix hacks on IE
-      ieSuffixHack: false, // \9 suffix hacks on IE6-9, \0 suffix hack on IE6-11
-      merging: true, // merging properties into one
-      shorterLengthUnits: false, // optimize pixel units into `pt`, `pc` or `in` units
-      spaceAfterClosingBrace: true, // 'url() no-repeat' to 'url()no-repeat'
-      urlQuotes: true, // whether to wrap content of `url()` into quotes or not
-      zeroUnits: true // 0[unit] -> 0
-    },
-    selectors: {
-      adjacentSpace: false, // div+ nav Android stock browser hack
-      ie7Hack: false, // *+html hack
-      mergeablePseudoClasses: [
-        ':active',
-        ':after',
-        ':before',
-        ':empty',
-        ':checked',
-        ':disabled',
-        ':empty',
-        ':enabled',
-        ':first-child',
-        ':first-letter',
-        ':first-line',
-        ':first-of-type',
-        ':focus',
-        ':hover',
-        ':lang',
-        ':last-child',
-        ':last-of-type',
-        ':link',
-        ':not',
-        ':nth-child',
-        ':nth-last-child',
-        ':nth-last-of-type',
-        ':nth-of-type',
-        ':only-child',
-        ':only-of-type',
-        ':root',
-        ':target',
-        ':visited'
-      ], // selectors with these pseudo-classes can be merged as these are universally supported
-      mergeablePseudoElements: [
-        '::after',
-        '::before',
-        '::first-letter',
-        '::first-line'
-      ], // selectors with these pseudo-elements can be merged as these are universally supported
-      mergeLimit: 8191, // number of rules that can be safely merged together
-      multiplePseudoMerging: true
-    },
-    units: {
-      ch: true,
-      in: true,
-      pc: true,
-      pt: true,
-      rem: true,
-      vh: true,
-      vm: true, // vm is vmin on IE9+ see https://developer.mozilla.org/en-US/docs/Web/CSS/length
-      vmax: true,
-      vmin: true,
-      vw: true
-    }
-  }
-};
-
-DEFAULTS.ie11 = merge(DEFAULTS['*'], { properties: { ieSuffixHack: true } });
-
-DEFAULTS.ie10 = merge(DEFAULTS['*'], { properties: { ieSuffixHack: true } });
-
-DEFAULTS.ie9 = merge(DEFAULTS['*'], {
-  properties: {
-    ieFilters: true,
-    ieSuffixHack: true
-  }
-});
-
-DEFAULTS.ie8 = merge(DEFAULTS.ie9, {
-  colors: { opacity: false },
-  properties: {
-    backgroundClipMerging: false,
-    backgroundOriginMerging: false,
-    backgroundSizeMerging: false,
-    iePrefixHack: true,
-    merging: false
-  },
-  selectors: {
-    mergeablePseudoClasses: [
-      ':after',
-      ':before',
-      ':first-child',
-      ':first-letter',
-      ':focus',
-      ':hover',
-      ':visited'
-    ],
-    mergeablePseudoElements: []
-  },
-  units: {
-    ch: false,
-    rem: false,
-    vh: false,
-    vm: false,
-    vmax: false,
-    vmin: false,
-    vw: false
-  }
-});
-
-DEFAULTS.ie7 = merge(DEFAULTS.ie8, {
-  properties: { ieBangHack: true },
-  selectors: {
-    ie7Hack: true,
-    mergeablePseudoClasses: [
-      ':first-child',
-      ':first-letter',
-      ':hover',
-      ':visited'
-    ]
-  }
-});
-
-function compatibilityFrom(source) {
-  return merge(DEFAULTS['*'], calculateSource(source));
-}
-
-function merge(source, target) {
-  for (var key in source) {
-    if (Object.prototype.hasOwnProperty.call(source, key)) {
-      var value = source[key];
-
-      if (Object.prototype.hasOwnProperty.call(target, key) && typeof value === 'object' && !Array.isArray(value)) {
-        target[key] = merge(value, target[key] || {});
-      } else {
-        target[key] = key in target ? target[key] : value;
-      }
-    }
-  }
-
-  return target;
-}
-
-function calculateSource(source) {
-  if (typeof source == 'object') { return source; }
-
-  if (!/[,+-]/.test(source)) { return DEFAULTS[source] || DEFAULTS['*']; }
-
-  var parts = source.split(',');
-  var template = parts[0] in DEFAULTS
-    ? DEFAULTS[parts.shift()]
-    : DEFAULTS['*'];
-
-  source = {};
-
-  parts.forEach(function(part) {
-    var isAdd = part[0] == '+';
-    var key = part.substring(1).split('.');
-    var group = key[0];
-    var option = key[1];
-
-    source[group] = source[group] || {};
-    source[group][option] = isAdd;
-  });
-
-  return merge(template, source);
-}
-
-module.exports = compatibilityFrom;
diff --git a/node_modules/clean-css/lib/options/fetch.js b/node_modules/clean-css/lib/options/fetch.js
deleted file mode 100644
index 0aaad786..00000000
--- a/node_modules/clean-css/lib/options/fetch.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var loadRemoteResource = require('../reader/load-remote-resource');
-
-function fetchFrom(callback) {
-  return callback || loadRemoteResource;
-}
-
-module.exports = fetchFrom;
diff --git a/node_modules/clean-css/lib/options/format.js b/node_modules/clean-css/lib/options/format.js
deleted file mode 100644
index 8c56c372..00000000
--- a/node_modules/clean-css/lib/options/format.js
+++ /dev/null
@@ -1,241 +0,0 @@
-var override = require('../utils/override');
-
-function getSystemLineBreak() {
-  var systemLineBreak = '\n';
-  try {
-    var os = require('os');
-    systemLineBreak = os.EOL;
-  } catch (_) {
-    // no op
-  }
-  return systemLineBreak;
-}
-
-var Breaks = {
-  AfterAtRule: 'afterAtRule',
-  AfterBlockBegins: 'afterBlockBegins',
-  AfterBlockEnds: 'afterBlockEnds',
-  AfterComment: 'afterComment',
-  AfterProperty: 'afterProperty',
-  AfterRuleBegins: 'afterRuleBegins',
-  AfterRuleEnds: 'afterRuleEnds',
-  BeforeBlockEnds: 'beforeBlockEnds',
-  BetweenSelectors: 'betweenSelectors'
-};
-
-var BreakWith = {
-  CarriageReturnLineFeed: '\r\n',
-  LineFeed: '\n',
-  System: getSystemLineBreak()
-};
-
-var IndentWith = {
-  Space: ' ',
-  Tab: '\t'
-};
-
-var Spaces = {
-  AroundSelectorRelation: 'aroundSelectorRelation',
-  BeforeBlockBegins: 'beforeBlockBegins',
-  BeforeValue: 'beforeValue'
-};
-
-var DEFAULTS = {
-  breaks: breaks(false),
-  breakWith: BreakWith.System,
-  indentBy: 0,
-  indentWith: IndentWith.Space,
-  spaces: spaces(false),
-  wrapAt: false,
-  semicolonAfterLastProperty: false
-};
-
-var BEAUTIFY_ALIAS = 'beautify';
-var KEEP_BREAKS_ALIAS = 'keep-breaks';
-
-var OPTION_SEPARATOR = ';';
-var OPTION_NAME_VALUE_SEPARATOR = ':';
-var HASH_VALUES_OPTION_SEPARATOR = ',';
-var HASH_VALUES_NAME_VALUE_SEPARATOR = '=';
-
-var FALSE_KEYWORD_1 = 'false';
-var FALSE_KEYWORD_2 = 'off';
-var TRUE_KEYWORD_1 = 'true';
-var TRUE_KEYWORD_2 = 'on';
-
-function breaks(value) {
-  var breakOptions = {};
-
-  breakOptions[Breaks.AfterAtRule] = value;
-  breakOptions[Breaks.AfterBlockBegins] = value;
-  breakOptions[Breaks.AfterBlockEnds] = value;
-  breakOptions[Breaks.AfterComment] = value;
-  breakOptions[Breaks.AfterProperty] = value;
-  breakOptions[Breaks.AfterRuleBegins] = value;
-  breakOptions[Breaks.AfterRuleEnds] = value;
-  breakOptions[Breaks.BeforeBlockEnds] = value;
-  breakOptions[Breaks.BetweenSelectors] = value;
-
-  return breakOptions;
-}
-
-function spaces(value) {
-  var spaceOptions = {};
-
-  spaceOptions[Spaces.AroundSelectorRelation] = value;
-  spaceOptions[Spaces.BeforeBlockBegins] = value;
-  spaceOptions[Spaces.BeforeValue] = value;
-
-  return spaceOptions;
-}
-
-function formatFrom(source) {
-  if (source === undefined || source === false) {
-    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) });
-  }
-
-  if (typeof source == 'object' && 'indentWith' in source) {
-    source = override(source, { indentWith: mapIndentWith(source.indentWith) });
-  }
-
-  if (typeof source == 'object') {
-    return remapBreaks(override(DEFAULTS, source));
-  }
-
-  if (typeof source == 'string' && source == BEAUTIFY_ALIAS) {
-    return remapBreaks(
-      override(DEFAULTS, {
-        breaks: breaks(true),
-        indentBy: 2,
-        spaces: spaces(true)
-      })
-    );
-  }
-
-  if (typeof source == 'string' && source == KEEP_BREAKS_ALIAS) {
-    return remapBreaks(
-      override(DEFAULTS, {
-        breaks: {
-          afterAtRule: true,
-          afterBlockBegins: true,
-          afterBlockEnds: true,
-          afterComment: true,
-          afterRuleEnds: true,
-          beforeBlockEnds: true
-        }
-      })
-    );
-  }
-
-  if (typeof source == 'string') {
-    return remapBreaks(override(DEFAULTS, toHash(source)));
-  }
-
-  return DEFAULTS;
-}
-
-function toHash(string) {
-  return string
-    .split(OPTION_SEPARATOR)
-    .reduce(function(accumulator, directive) {
-      var parts = directive.split(OPTION_NAME_VALUE_SEPARATOR);
-      var name = parts[0];
-      var value = parts[1];
-
-      if (name == 'breaks' || name == 'spaces') {
-        accumulator[name] = hashValuesToHash(value);
-      } else if (name == 'indentBy' || name == 'wrapAt') {
-        accumulator[name] = parseInt(value);
-      } else if (name == 'indentWith') {
-        accumulator[name] = mapIndentWith(value);
-      } else if (name == 'breakWith') {
-        accumulator[name] = mapBreakWith(value);
-      }
-
-      return accumulator;
-    }, {});
-}
-
-function hashValuesToHash(string) {
-  return string
-    .split(HASH_VALUES_OPTION_SEPARATOR)
-    .reduce(function(accumulator, directive) {
-      var parts = directive.split(HASH_VALUES_NAME_VALUE_SEPARATOR);
-      var name = parts[0];
-      var value = parts[1];
-
-      accumulator[name] = normalizeValue(value);
-
-      return accumulator;
-    }, {});
-}
-
-function normalizeValue(value) {
-  switch (value) {
-  case FALSE_KEYWORD_1:
-  case FALSE_KEYWORD_2:
-    return false;
-  case TRUE_KEYWORD_1:
-  case TRUE_KEYWORD_2:
-    return true;
-  default:
-    return 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 BreakWith.System;
-  }
-}
-
-function mapIndentWith(value) {
-  switch (value) {
-  case 'space':
-    return IndentWith.Space;
-  case 'tab':
-    return IndentWith.Tab;
-  default:
-    return value;
-  }
-}
-
-function remapBreaks(source) {
-  for (var key in Breaks) {
-    var breakName = Breaks[key];
-    var breakValue = source.breaks[breakName];
-
-    if (breakValue === true) {
-      source.breaks[breakName] = source.breakWith;
-    } else if (breakValue === false) {
-      source.breaks[breakName] = '';
-    } else {
-      source.breaks[breakName] = source.breakWith.repeat(parseInt(breakValue));
-    }
-  }
-
-  return source;
-}
-
-module.exports = {
-  Breaks: Breaks,
-  Spaces: Spaces,
-  formatFrom: formatFrom
-};
diff --git a/node_modules/clean-css/lib/options/inline-request.js b/node_modules/clean-css/lib/options/inline-request.js
deleted file mode 100644
index e611dc29..00000000
--- a/node_modules/clean-css/lib/options/inline-request.js
+++ /dev/null
@@ -1,22 +0,0 @@
-var url = require('url');
-
-var override = require('../utils/override');
-
-function inlineRequestFrom(option) {
-  return override(
-    /* jshint camelcase: false */
-    proxyOptionsFrom(process.env.HTTP_PROXY || process.env.http_proxy),
-    option || {}
-  );
-}
-
-function proxyOptionsFrom(httpProxy) {
-  return httpProxy
-    ? {
-      hostname: url.parse(httpProxy).hostname,
-      port: parseInt(url.parse(httpProxy).port)
-    }
-    : {};
-}
-
-module.exports = inlineRequestFrom;
diff --git a/node_modules/clean-css/lib/options/inline-timeout.js b/node_modules/clean-css/lib/options/inline-timeout.js
deleted file mode 100644
index c7fb454d..00000000
--- a/node_modules/clean-css/lib/options/inline-timeout.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var DEFAULT_TIMEOUT = 5000;
-
-function inlineTimeoutFrom(option) {
-  return option || DEFAULT_TIMEOUT;
-}
-
-module.exports = inlineTimeoutFrom;
diff --git a/node_modules/clean-css/lib/options/inline.js b/node_modules/clean-css/lib/options/inline.js
deleted file mode 100644
index 6b18f2db..00000000
--- a/node_modules/clean-css/lib/options/inline.js
+++ /dev/null
@@ -1,15 +0,0 @@
-function inlineOptionsFrom(rules) {
-  if (Array.isArray(rules)) {
-    return rules;
-  }
-
-  if (rules === false) {
-    return ['none'];
-  }
-
-  return undefined === rules
-    ? ['local']
-    : rules.split(',');
-}
-
-module.exports = inlineOptionsFrom;
diff --git a/node_modules/clean-css/lib/options/optimization-level.js b/node_modules/clean-css/lib/options/optimization-level.js
deleted file mode 100644
index 0b6f0fa1..00000000
--- a/node_modules/clean-css/lib/options/optimization-level.js
+++ /dev/null
@@ -1,218 +0,0 @@
-var roundingPrecisionFrom = require('./rounding-precision').roundingPrecisionFrom;
-
-var override = require('../utils/override');
-
-var OptimizationLevel = {
-  Zero: '0',
-  One: '1',
-  Two: '2'
-};
-
-var DEFAULTS = {};
-
-DEFAULTS[OptimizationLevel.Zero] = {};
-DEFAULTS[OptimizationLevel.One] = {
-  cleanupCharsets: true,
-  normalizeUrls: true,
-  optimizeBackground: true,
-  optimizeBorderRadius: true,
-  optimizeFilter: true,
-  optimizeFontWeight: true,
-  optimizeOutline: true,
-  removeEmpty: true,
-  removeNegativePaddings: true,
-  removeQuotes: true,
-  removeWhitespace: true,
-  replaceMultipleZeros: true,
-  replaceTimeUnits: true,
-  replaceZeroUnits: true,
-  roundingPrecision: roundingPrecisionFrom(undefined),
-  selectorsSortingMethod: 'standard',
-  specialComments: 'all',
-  tidyAtRules: true,
-  tidyBlockScopes: true,
-  tidySelectors: true,
-  variableValueOptimizers: []
-};
-DEFAULTS[OptimizationLevel.Two] = {
-  mergeAdjacentRules: true,
-  mergeIntoShorthands: true,
-  mergeMedia: true,
-  mergeNonAdjacentRules: true,
-  mergeSemantically: false,
-  overrideProperties: true,
-  removeEmpty: true,
-  reduceNonAdjacentRules: true,
-  removeDuplicateFontRules: true,
-  removeDuplicateMediaBlocks: true,
-  removeDuplicateRules: true,
-  removeUnusedAtRules: false,
-  restructureRules: false,
-  skipProperties: []
-};
-
-var ALL_KEYWORD_1 = '*';
-var ALL_KEYWORD_2 = 'all';
-var FALSE_KEYWORD_1 = 'false';
-var FALSE_KEYWORD_2 = 'off';
-var TRUE_KEYWORD_1 = 'true';
-var TRUE_KEYWORD_2 = 'on';
-
-var LIST_VALUE_SEPARATOR = ',';
-var OPTION_SEPARATOR = ';';
-var OPTION_VALUE_SEPARATOR = ':';
-
-function optimizationLevelFrom(source) {
-  var level = override(DEFAULTS, {});
-  var Zero = OptimizationLevel.Zero;
-  var One = OptimizationLevel.One;
-  var Two = OptimizationLevel.Two;
-
-  if (undefined === source) {
-    delete level[Two];
-    return level;
-  }
-
-  if (typeof source == 'string') {
-    source = parseInt(source);
-  }
-
-  if (typeof source == 'number' && source === parseInt(Two)) {
-    return level;
-  }
-
-  if (typeof source == 'number' && source === parseInt(One)) {
-    delete level[Two];
-    return level;
-  }
-
-  if (typeof source == 'number' && source === parseInt(Zero)) {
-    delete level[Two];
-    delete level[One];
-    return level;
-  }
-
-  if (typeof source == 'object') {
-    source = covertValuesToHashes(source);
-  }
-
-  if (One in source && 'roundingPrecision' in source[One]) {
-    source[One].roundingPrecision = roundingPrecisionFrom(source[One].roundingPrecision);
-  }
-
-  if (Two in source && 'skipProperties' in source[Two] && typeof (source[Two].skipProperties) == 'string') {
-    source[Two].skipProperties = source[Two].skipProperties.split(LIST_VALUE_SEPARATOR);
-  }
-
-  if (Zero in source || One in source || Two in source) {
-    level[Zero] = override(level[Zero], source[Zero]);
-  }
-
-  if (One in source && ALL_KEYWORD_1 in source[One]) {
-    level[One] = override(level[One], defaults(One, normalizeValue(source[One][ALL_KEYWORD_1])));
-    delete source[One][ALL_KEYWORD_1];
-  }
-
-  if (One in source && ALL_KEYWORD_2 in source[One]) {
-    level[One] = override(level[One], defaults(One, normalizeValue(source[One][ALL_KEYWORD_2])));
-    delete source[One][ALL_KEYWORD_2];
-  }
-
-  if (One in source || Two in source) {
-    level[One] = override(level[One], source[One]);
-  } else {
-    delete level[One];
-  }
-
-  if (Two in source && ALL_KEYWORD_1 in source[Two]) {
-    level[Two] = override(level[Two], defaults(Two, normalizeValue(source[Two][ALL_KEYWORD_1])));
-    delete source[Two][ALL_KEYWORD_1];
-  }
-
-  if (Two in source && ALL_KEYWORD_2 in source[Two]) {
-    level[Two] = override(level[Two], defaults(Two, normalizeValue(source[Two][ALL_KEYWORD_2])));
-    delete source[Two][ALL_KEYWORD_2];
-  }
-
-  if (Two in source) {
-    level[Two] = override(level[Two], source[Two]);
-  } else {
-    delete level[Two];
-  }
-
-  return level;
-}
-
-function defaults(level, value) {
-  var options = override(DEFAULTS[level], {});
-  var key;
-
-  for (key in options) {
-    if (typeof options[key] == 'boolean') {
-      options[key] = value;
-    }
-  }
-
-  return options;
-}
-
-function normalizeValue(value) {
-  switch (value) {
-  case FALSE_KEYWORD_1:
-  case FALSE_KEYWORD_2:
-    return false;
-  case TRUE_KEYWORD_1:
-  case TRUE_KEYWORD_2:
-    return true;
-  default:
-    return value;
-  }
-}
-
-function covertValuesToHashes(source) {
-  var clonedSource = override(source, {});
-  var level;
-  var i;
-
-  for (i = 0; i <= 2; i++) {
-    level = '' + i;
-
-    if (level in clonedSource && (clonedSource[level] === undefined || clonedSource[level] === false)) {
-      delete clonedSource[level];
-    }
-
-    if (level in clonedSource && clonedSource[level] === true) {
-      clonedSource[level] = {};
-    }
-
-    if (level in clonedSource && typeof clonedSource[level] == 'string') {
-      clonedSource[level] = covertToHash(clonedSource[level], level);
-    }
-  }
-
-  return clonedSource;
-}
-
-function covertToHash(asString, level) {
-  return asString
-    .split(OPTION_SEPARATOR)
-    .reduce(function(accumulator, directive) {
-      var parts = directive.split(OPTION_VALUE_SEPARATOR);
-      var name = parts[0];
-      var value = parts[1];
-      var normalizedValue = normalizeValue(value);
-
-      if (ALL_KEYWORD_1 == name || ALL_KEYWORD_2 == name) {
-        accumulator = override(accumulator, defaults(level, normalizedValue));
-      } else {
-        accumulator[name] = normalizedValue;
-      }
-
-      return accumulator;
-    }, {});
-}
-
-module.exports = {
-  OptimizationLevel: OptimizationLevel,
-  optimizationLevelFrom: optimizationLevelFrom
-};
diff --git a/node_modules/clean-css/lib/options/plugins.js b/node_modules/clean-css/lib/options/plugins.js
deleted file mode 100644
index ddec9d92..00000000
--- a/node_modules/clean-css/lib/options/plugins.js
+++ /dev/null
@@ -1,25 +0,0 @@
-function pluginsFrom(plugins) {
-  var flatPlugins = {
-    level1Value: [],
-    level1Property: [],
-    level2Block: []
-  };
-
-  plugins = plugins || [];
-
-  flatPlugins.level1Value = plugins
-    .map(function(plugin) { return plugin.level1 && plugin.level1.value; })
-    .filter(function(plugin) { return plugin != null; });
-
-  flatPlugins.level1Property = plugins
-    .map(function(plugin) { return plugin.level1 && plugin.level1.property; })
-    .filter(function(plugin) { return plugin != null; });
-
-  flatPlugins.level2Block = plugins
-    .map(function(plugin) { return plugin.level2 && plugin.level2.block; })
-    .filter(function(plugin) { return plugin != null; });
-
-  return flatPlugins;
-}
-
-module.exports = pluginsFrom;
diff --git a/node_modules/clean-css/lib/options/rebase-to.js b/node_modules/clean-css/lib/options/rebase-to.js
deleted file mode 100644
index 134b4a38..00000000
--- a/node_modules/clean-css/lib/options/rebase-to.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var path = require('path');
-
-function rebaseToFrom(option) {
-  return option ? path.resolve(option) : process.cwd();
-}
-
-module.exports = rebaseToFrom;
diff --git a/node_modules/clean-css/lib/options/rebase.js b/node_modules/clean-css/lib/options/rebase.js
deleted file mode 100644
index a3e60c4e..00000000
--- a/node_modules/clean-css/lib/options/rebase.js
+++ /dev/null
@@ -1,10 +0,0 @@
-function rebaseFrom(rebaseOption, rebaseToOption) {
-  if (undefined !== rebaseToOption) {
-    return true;
-  } if (undefined === rebaseOption) {
-    return false;
-  }
-  return !!rebaseOption;
-}
-
-module.exports = rebaseFrom;
diff --git a/node_modules/clean-css/lib/options/rounding-precision.js b/node_modules/clean-css/lib/options/rounding-precision.js
deleted file mode 100644
index 3de62a84..00000000
--- a/node_modules/clean-css/lib/options/rounding-precision.js
+++ /dev/null
@@ -1,88 +0,0 @@
-var override = require('../utils/override');
-
-var INTEGER_PATTERN = /^\d+$/;
-
-var ALL_UNITS = ['*', 'all'];
-var DEFAULT_PRECISION = 'off'; // all precision changes are disabled
-var DIRECTIVES_SEPARATOR = ','; // e.g. *=5,px=3
-var DIRECTIVE_VALUE_SEPARATOR = '='; // e.g. *=5
-
-function roundingPrecisionFrom(source) {
-  return override(defaults(DEFAULT_PRECISION), buildPrecisionFrom(source));
-}
-
-function defaults(value) {
-  return {
-    ch: value,
-    cm: value,
-    em: value,
-    ex: value,
-    in: value,
-    mm: value,
-    pc: value,
-    pt: value,
-    px: value,
-    q: value,
-    rem: value,
-    vh: value,
-    vmax: value,
-    vmin: value,
-    vw: value,
-    '%': value
-  };
-}
-
-function buildPrecisionFrom(source) {
-  if (source === null || source === undefined) {
-    return {};
-  }
-
-  if (typeof source == 'boolean') {
-    return {};
-  }
-
-  if (typeof source == 'number' && source == -1) {
-    return defaults(DEFAULT_PRECISION);
-  }
-
-  if (typeof source == 'number') {
-    return defaults(source);
-  }
-
-  if (typeof source == 'string' && INTEGER_PATTERN.test(source)) {
-    return defaults(parseInt(source));
-  }
-
-  if (typeof source == 'string' && source == DEFAULT_PRECISION) {
-    return defaults(DEFAULT_PRECISION);
-  }
-
-  if (typeof source == 'object') {
-    return source;
-  }
-
-  return source
-    .split(DIRECTIVES_SEPARATOR)
-    .reduce(function(accumulator, directive) {
-      var directiveParts = directive.split(DIRECTIVE_VALUE_SEPARATOR);
-      var name = directiveParts[0];
-      var value = parseInt(directiveParts[1]);
-
-      if (Number.isNaN(value) || value == -1) {
-        value = DEFAULT_PRECISION;
-      }
-
-      if (ALL_UNITS.indexOf(name) > -1) {
-        accumulator = override(accumulator, defaults(value));
-      } else {
-        accumulator[name] = value;
-      }
-
-      return accumulator;
-    }, {});
-}
-
-module.exports = {
-  DEFAULT: DEFAULT_PRECISION,
-  roundingPrecisionFrom: roundingPrecisionFrom
-};