remove node_modulesvuepress

12 files changed, 0 insertions, 1169 deletions

diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/every-values-pair.js b/node_modules/clean-css/lib/optimizer/level-2/properties/every-values-pair.js
deleted file mode 100644
index 44fcb7d5..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/every-values-pair.js
+++ /dev/null
@@ -1,28 +0,0 @@
-var Marker = require('../../../tokenizer/marker');
-
-function everyValuesPair(fn, left, right) {
-  var leftSize = left.value.length;
-  var rightSize = right.value.length;
-  var total = Math.max(leftSize, rightSize);
-  var lowerBound = Math.min(leftSize, rightSize) - 1;
-  var leftValue;
-  var rightValue;
-  var position;
-
-  for (position = 0; position < total; position++) {
-    leftValue = left.value[position] && left.value[position][1] || leftValue;
-    rightValue = right.value[position] && right.value[position][1] || rightValue;
-
-    if (leftValue == Marker.COMMA || rightValue == Marker.COMMA) {
-      continue;
-    }
-
-    if (!fn(leftValue, rightValue, position, position <= lowerBound)) {
-      return false;
-    }
-  }
-
-  return true;
-}
-
-module.exports = everyValuesPair;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js b/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js
deleted file mode 100644
index dd7c719d..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js
+++ /dev/null
@@ -1,40 +0,0 @@
-var compactable = require('../compactable');
-
-function findComponentIn(shorthand, longhand) {
-  var comparator = nameComparator(longhand);
-
-  return findInDirectComponents(shorthand, comparator) || findInSubComponents(shorthand, comparator);
-}
-
-function nameComparator(to) {
-  return function (property) {
-    return to.name === property.name;
-  };
-}
-
-function findInDirectComponents(shorthand, comparator) {
-  return shorthand.components.filter(comparator)[0];
-}
-
-function findInSubComponents(shorthand, comparator) {
-  var shorthandComponent;
-  var longhandMatch;
-  var i, l;
-
-  if (!compactable[shorthand.name].shorthandComponents) {
-    return;
-  }
-
-  for (i = 0, l = shorthand.components.length; i < l; i++) {
-    shorthandComponent = shorthand.components[i];
-    longhandMatch = findInDirectComponents(shorthandComponent, comparator);
-
-    if (longhandMatch) {
-      return longhandMatch;
-    }
-  }
-
-  return;
-}
-
-module.exports = findComponentIn;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/has-inherit.js b/node_modules/clean-css/lib/optimizer/level-2/properties/has-inherit.js
deleted file mode 100644
index 84f220d3..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/has-inherit.js
+++ /dev/null
@@ -1,10 +0,0 @@
-function hasInherit(property) {
-  for (var i = property.value.length - 1; i >= 0; i--) {
-    if (property.value[i][1] == 'inherit')
-      return true;
-  }
-
-  return false;
-}
-
-module.exports = hasInherit;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/is-component-of.js b/node_modules/clean-css/lib/optimizer/level-2/properties/is-component-of.js
deleted file mode 100644
index 237de7d1..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/is-component-of.js
+++ /dev/null
@@ -1,22 +0,0 @@
-var compactable = require('../compactable');
-
-function isComponentOf(property1, property2, shallow) {
-  return isDirectComponentOf(property1, property2) ||
-    !shallow && !!compactable[property1.name].shorthandComponents && isSubComponentOf(property1, property2);
-}
-
-function isDirectComponentOf(property1, property2) {
-  var descriptor = compactable[property1.name];
-
-  return 'components' in descriptor && descriptor.components.indexOf(property2.name) > -1;
-}
-
-function isSubComponentOf(property1, property2) {
-  return property1
-    .components
-    .some(function (component) {
-      return isDirectComponentOf(component, property2);
-    });
-}
-
-module.exports = isComponentOf;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/is-mergeable-shorthand.js b/node_modules/clean-css/lib/optimizer/level-2/properties/is-mergeable-shorthand.js
deleted file mode 100644
index ee7191ef..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/is-mergeable-shorthand.js
+++ /dev/null
@@ -1,11 +0,0 @@
-var Marker = require('../../../tokenizer/marker');
-
-function isMergeableShorthand(shorthand) {
-  if (shorthand.name != 'font') {
-    return true;
-  }
-
-  return shorthand.value[0][1].indexOf(Marker.INTERNAL) == -1;
-}
-
-module.exports = isMergeableShorthand;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/merge-into-shorthands.js b/node_modules/clean-css/lib/optimizer/level-2/properties/merge-into-shorthands.js
deleted file mode 100644
index bcfeeb60..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/merge-into-shorthands.js
+++ /dev/null
@@ -1,445 +0,0 @@
-var everyValuesPair = require('./every-values-pair');
-var hasInherit = require('./has-inherit');
-var populateComponents = require('./populate-components');
-
-var compactable = require('../compactable');
-var deepClone = require('../clone').deep;
-var restoreWithComponents = require('../restore-with-components');
-
-var restoreFromOptimizing = require('../../restore-from-optimizing');
-var wrapSingle = require('../../wrap-for-optimizing').single;
-
-var serializeBody = require('../../../writer/one-time').body;
-var Token = require('../../../tokenizer/token');
-
-function mergeIntoShorthands(properties, validator) {
-  var candidates = {};
-  var descriptor;
-  var componentOf;
-  var property;
-  var i, l;
-  var j, m;
-
-  // there is no shorthand property made up of less than 3 longhands
-  if (properties.length < 3) {
-    return;
-  }
-
-  for (i = 0, l = properties.length; i < l; i++) {
-    property = properties[i];
-    descriptor = compactable[property.name];
-
-    if (property.unused) {
-      continue;
-    }
-
-    if (property.hack) {
-      continue;
-    }
-
-    if (property.block) {
-      continue;
-    }
-
-    invalidateOrCompact(properties, i, candidates, validator);
-
-    if (descriptor && descriptor.componentOf) {
-      for (j = 0, m = descriptor.componentOf.length; j < m; j++) {
-        componentOf = descriptor.componentOf[j];
-
-        candidates[componentOf] = candidates[componentOf] || {};
-        candidates[componentOf][property.name] = property;
-      }
-    }
-  }
-
-  invalidateOrCompact(properties, i, candidates, validator);
-}
-
-function invalidateOrCompact(properties, position, candidates, validator) {
-  var invalidatedBy = properties[position];
-  var shorthandName;
-  var shorthandDescriptor;
-  var candidateComponents;
-
-  for (shorthandName in candidates) {
-    if (undefined !== invalidatedBy && shorthandName == invalidatedBy.name) {
-      continue;
-    }
-
-    shorthandDescriptor = compactable[shorthandName];
-    candidateComponents = candidates[shorthandName];
-    if (invalidatedBy && invalidates(candidates, shorthandName, invalidatedBy)) {
-      delete candidates[shorthandName];
-      continue;
-    }
-
-    if (shorthandDescriptor.components.length > Object.keys(candidateComponents).length) {
-      continue;
-    }
-
-    if (mixedImportance(candidateComponents)) {
-      continue;
-    }
-
-    if (!overridable(candidateComponents, shorthandName, validator)) {
-      continue;
-    }
-
-    if (!mergeable(candidateComponents)) {
-      continue;
-    }
-
-    if (mixedInherit(candidateComponents)) {
-      replaceWithInheritBestFit(properties, candidateComponents, shorthandName, validator);
-    } else {
-      replaceWithShorthand(properties, candidateComponents, shorthandName, validator);
-    }
-  }
-}
-
-function invalidates(candidates, shorthandName, invalidatedBy) {
-  var shorthandDescriptor = compactable[shorthandName];
-  var invalidatedByDescriptor = compactable[invalidatedBy.name];
-  var componentName;
-
-  if ('overridesShorthands' in shorthandDescriptor && shorthandDescriptor.overridesShorthands.indexOf(invalidatedBy.name) > -1) {
-    return true;
-  }
-
-  if (invalidatedByDescriptor && 'componentOf' in invalidatedByDescriptor) {
-    for (componentName in candidates[shorthandName]) {
-      if (invalidatedByDescriptor.componentOf.indexOf(componentName) > -1) {
-        return true;
-      }
-    }
-  }
-
-  return false;
-}
-
-function mixedImportance(components) {
-  var important;
-  var componentName;
-
-  for (componentName in components) {
-    if (undefined !== important && components[componentName].important != important) {
-      return true;
-    }
-
-    important = components[componentName].important;
-  }
-
-  return false;
-}
-
-function overridable(components, shorthandName, validator) {
-  var descriptor = compactable[shorthandName];
-  var newValuePlaceholder = [
-    Token.PROPERTY,
-    [Token.PROPERTY_NAME, shorthandName],
-    [Token.PROPERTY_VALUE, descriptor.defaultValue]
-  ];
-  var newProperty = wrapSingle(newValuePlaceholder);
-  var component;
-  var mayOverride;
-  var i, l;
-
-  populateComponents([newProperty], validator, []);
-
-  for (i = 0, l = descriptor.components.length; i < l; i++) {
-    component = components[descriptor.components[i]];
-    mayOverride = compactable[component.name].canOverride;
-
-    if (!everyValuesPair(mayOverride.bind(null, validator), newProperty.components[i], component)) {
-      return false;
-    }
-  }
-
-  return true;
-}
-
-function mergeable(components) {
-  var lastCount = null;
-  var currentCount;
-  var componentName;
-  var component;
-  var descriptor;
-  var values;
-
-  for (componentName in components) {
-    component = components[componentName];
-    descriptor = compactable[componentName];
-
-    if (!('restore' in descriptor)) {
-      continue;
-    }
-
-    restoreFromOptimizing([component.all[component.position]], restoreWithComponents);
-    values = descriptor.restore(component, compactable);
-
-    currentCount = values.length;
-
-    if (lastCount !== null && currentCount !== lastCount) {
-      return false;
-    }
-
-    lastCount = currentCount;
-  }
-
-  return true;
-}
-
-function mixedInherit(components) {
-  var componentName;
-  var lastValue = null;
-  var currentValue;
-
-  for (componentName in components) {
-    currentValue = hasInherit(components[componentName]);
-
-    if (lastValue !== null && lastValue !== currentValue) {
-      return true;
-    }
-
-    lastValue = currentValue;
-  }
-
-  return false;
-}
-
-function replaceWithInheritBestFit(properties, candidateComponents, shorthandName, validator) {
-  var viaLonghands = buildSequenceWithInheritLonghands(candidateComponents, shorthandName, validator);
-  var viaShorthand = buildSequenceWithInheritShorthand(candidateComponents, shorthandName, validator);
-  var longhandTokensSequence = viaLonghands[0];
-  var shorthandTokensSequence = viaShorthand[0];
-  var isLonghandsShorter = serializeBody(longhandTokensSequence).length < serializeBody(shorthandTokensSequence).length;
-  var newTokensSequence = isLonghandsShorter ? longhandTokensSequence : shorthandTokensSequence;
-  var newProperty = isLonghandsShorter ? viaLonghands[1] : viaShorthand[1];
-  var newComponents = isLonghandsShorter ? viaLonghands[2] : viaShorthand[2];
-  var all = candidateComponents[Object.keys(candidateComponents)[0]].all;
-  var componentName;
-  var oldComponent;
-  var newComponent;
-  var newToken;
-
-  newProperty.position = all.length;
-  newProperty.shorthand = true;
-  newProperty.dirty = true;
-  newProperty.all = all;
-  newProperty.all.push(newTokensSequence[0]);
-
-  properties.push(newProperty);
-
-  for (componentName in candidateComponents) {
-    oldComponent = candidateComponents[componentName];
-    oldComponent.unused = true;
-
-    if (oldComponent.name in newComponents) {
-      newComponent = newComponents[oldComponent.name];
-      newToken = findTokenIn(newTokensSequence, componentName);
-
-      newComponent.position = all.length;
-      newComponent.all = all;
-      newComponent.all.push(newToken);
-
-      properties.push(newComponent);
-    }
-  }
-}
-
-function buildSequenceWithInheritLonghands(components, shorthandName, validator) {
-  var tokensSequence = [];
-  var inheritComponents = {};
-  var nonInheritComponents = {};
-  var descriptor = compactable[shorthandName];
-  var shorthandToken = [
-    Token.PROPERTY,
-    [Token.PROPERTY_NAME, shorthandName],
-    [Token.PROPERTY_VALUE, descriptor.defaultValue]
-  ];
-  var newProperty = wrapSingle(shorthandToken);
-  var component;
-  var longhandToken;
-  var newComponent;
-  var nameMetadata;
-  var i, l;
-
-  populateComponents([newProperty], validator, []);
-
-  for (i = 0, l = descriptor.components.length; i < l; i++) {
-    component = components[descriptor.components[i]];
-
-    if (hasInherit(component)) {
-      longhandToken = component.all[component.position].slice(0, 2);
-      Array.prototype.push.apply(longhandToken, component.value);
-      tokensSequence.push(longhandToken);
-
-      newComponent = deepClone(component);
-      newComponent.value = inferComponentValue(components, newComponent.name);
-
-      newProperty.components[i] = newComponent;
-      inheritComponents[component.name] = deepClone(component);
-    } else {
-      newComponent = deepClone(component);
-      newComponent.all = component.all;
-      newProperty.components[i] = newComponent;
-
-      nonInheritComponents[component.name] = component;
-    }
-  }
-
-  nameMetadata = joinMetadata(nonInheritComponents, 1);
-  shorthandToken[1].push(nameMetadata);
-
-  restoreFromOptimizing([newProperty], restoreWithComponents);
-
-  shorthandToken = shorthandToken.slice(0, 2);
-  Array.prototype.push.apply(shorthandToken, newProperty.value);
-
-  tokensSequence.unshift(shorthandToken);
-
-  return [tokensSequence, newProperty, inheritComponents];
-}
-
-function inferComponentValue(components, propertyName) {
-  var descriptor = compactable[propertyName];
-
-  if ('oppositeTo' in descriptor) {
-    return components[descriptor.oppositeTo].value;
-  } else {
-    return [[Token.PROPERTY_VALUE, descriptor.defaultValue]];
-  }
-}
-
-function joinMetadata(components, at) {
-  var metadata = [];
-  var component;
-  var originalValue;
-  var componentMetadata;
-  var componentName;
-
-  for (componentName in components) {
-    component = components[componentName];
-    originalValue = component.all[component.position];
-    componentMetadata = originalValue[at][originalValue[at].length - 1];
-
-    Array.prototype.push.apply(metadata, componentMetadata);
-  }
-
-  return metadata.sort(metadataSorter);
-}
-
-function metadataSorter(metadata1, metadata2) {
-  var line1 = metadata1[0];
-  var line2 = metadata2[0];
-  var column1 = metadata1[1];
-  var column2 = metadata2[1];
-
-  if (line1 < line2) {
-    return -1;
-  } else if (line1 === line2) {
-    return column1 < column2 ? -1 : 1;
-  } else {
-    return 1;
-  }
-}
-
-function buildSequenceWithInheritShorthand(components, shorthandName, validator) {
-  var tokensSequence = [];
-  var inheritComponents = {};
-  var nonInheritComponents = {};
-  var descriptor = compactable[shorthandName];
-  var shorthandToken = [
-    Token.PROPERTY,
-    [Token.PROPERTY_NAME, shorthandName],
-    [Token.PROPERTY_VALUE, 'inherit']
-  ];
-  var newProperty = wrapSingle(shorthandToken);
-  var component;
-  var longhandToken;
-  var nameMetadata;
-  var valueMetadata;
-  var i, l;
-
-  populateComponents([newProperty], validator, []);
-
-  for (i = 0, l = descriptor.components.length; i < l; i++) {
-    component = components[descriptor.components[i]];
-
-    if (hasInherit(component)) {
-      inheritComponents[component.name] = component;
-    } else {
-      longhandToken = component.all[component.position].slice(0, 2);
-      Array.prototype.push.apply(longhandToken, component.value);
-      tokensSequence.push(longhandToken);
-
-      nonInheritComponents[component.name] = deepClone(component);
-    }
-  }
-
-  nameMetadata = joinMetadata(inheritComponents, 1);
-  shorthandToken[1].push(nameMetadata);
-
-  valueMetadata = joinMetadata(inheritComponents, 2);
-  shorthandToken[2].push(valueMetadata);
-
-  tokensSequence.unshift(shorthandToken);
-
-  return [tokensSequence, newProperty, nonInheritComponents];
-}
-
-function findTokenIn(tokens, componentName) {
-  var i, l;
-
-  for (i = 0, l = tokens.length; i < l; i++) {
-    if (tokens[i][1][1] == componentName) {
-      return tokens[i];
-    }
-  }
-}
-
-function replaceWithShorthand(properties, candidateComponents, shorthandName, validator) {
-  var descriptor = compactable[shorthandName];
-  var nameMetadata;
-  var valueMetadata;
-  var newValuePlaceholder = [
-    Token.PROPERTY,
-    [Token.PROPERTY_NAME, shorthandName],
-    [Token.PROPERTY_VALUE, descriptor.defaultValue]
-  ];
-  var all;
-
-  var newProperty = wrapSingle(newValuePlaceholder);
-  newProperty.shorthand = true;
-  newProperty.dirty = true;
-
-  populateComponents([newProperty], validator, []);
-
-  for (var i = 0, l = descriptor.components.length; i < l; i++) {
-    var component = candidateComponents[descriptor.components[i]];
-
-    newProperty.components[i] = deepClone(component);
-    newProperty.important = component.important;
-
-    all = component.all;
-  }
-
-  for (var componentName in candidateComponents) {
-    candidateComponents[componentName].unused = true;
-  }
-
-  nameMetadata = joinMetadata(candidateComponents, 1);
-  newValuePlaceholder[1].push(nameMetadata);
-
-  valueMetadata = joinMetadata(candidateComponents, 2);
-  newValuePlaceholder[2].push(valueMetadata);
-
-  newProperty.position = all.length;
-  newProperty.all = all;
-  newProperty.all.push(newValuePlaceholder);
-
-  properties.push(newProperty);
-}
-
-module.exports = mergeIntoShorthands;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/optimize.js b/node_modules/clean-css/lib/optimizer/level-2/properties/optimize.js
deleted file mode 100644
index 5dc4bfb9..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/optimize.js
+++ /dev/null
@@ -1,40 +0,0 @@
-var mergeIntoShorthands = require('./merge-into-shorthands');
-var overrideProperties = require('./override-properties');
-var populateComponents = require('./populate-components');
-
-var restoreWithComponents = require('../restore-with-components');
-
-var wrapForOptimizing = require('../../wrap-for-optimizing').all;
-var removeUnused = require('../../remove-unused');
-var restoreFromOptimizing = require('../../restore-from-optimizing');
-
-var OptimizationLevel = require('../../../options/optimization-level').OptimizationLevel;
-
-function optimizeProperties(properties, withOverriding, withMerging, context) {
-  var levelOptions = context.options.level[OptimizationLevel.Two];
-  var _properties = wrapForOptimizing(properties, false, levelOptions.skipProperties);
-  var _property;
-  var i, l;
-
-  populateComponents(_properties, context.validator, context.warnings);
-
-  for (i = 0, l = _properties.length; i < l; i++) {
-    _property = _properties[i];
-    if (_property.block) {
-      optimizeProperties(_property.value[0][1], withOverriding, withMerging, context);
-    }
-  }
-
-  if (withMerging && levelOptions.mergeIntoShorthands) {
-    mergeIntoShorthands(_properties, context.validator);
-  }
-
-  if (withOverriding && levelOptions.overrideProperties) {
-    overrideProperties(_properties, withMerging, context.options.compatibility, context.validator);
-  }
-
-  restoreFromOptimizing(_properties, restoreWithComponents);
-  removeUnused(_properties);
-}
-
-module.exports = optimizeProperties;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js b/node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js
deleted file mode 100644
index 0f7b97a9..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/override-properties.js
+++ /dev/null
@@ -1,484 +0,0 @@
-var hasInherit = require('./has-inherit');
-var everyValuesPair = require('./every-values-pair');
-var findComponentIn = require('./find-component-in');
-var isComponentOf = require('./is-component-of');
-var isMergeableShorthand = require('./is-mergeable-shorthand');
-var overridesNonComponentShorthand = require('./overrides-non-component-shorthand');
-var sameVendorPrefixesIn = require('./vendor-prefixes').same;
-
-var compactable = require('../compactable');
-var deepClone = require('../clone').deep;
-var restoreWithComponents = require('../restore-with-components');
-var shallowClone = require('../clone').shallow;
-
-var restoreFromOptimizing = require('../../restore-from-optimizing');
-
-var Token = require('../../../tokenizer/token');
-var Marker = require('../../../tokenizer/marker');
-
-var serializeProperty = require('../../../writer/one-time').property;
-
-function wouldBreakCompatibility(property, validator) {
-  for (var i = 0; i < property.components.length; i++) {
-    var component = property.components[i];
-    var descriptor = compactable[component.name];
-    var canOverride = descriptor && descriptor.canOverride || canOverride.sameValue;
-
-    var _component = shallowClone(component);
-    _component.value = [[Token.PROPERTY_VALUE, descriptor.defaultValue]];
-
-    if (!everyValuesPair(canOverride.bind(null, validator), _component, component)) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-function overrideIntoMultiplex(property, by) {
-  by.unused = true;
-
-  turnIntoMultiplex(by, multiplexSize(property));
-  property.value = by.value;
-}
-
-function overrideByMultiplex(property, by) {
-  by.unused = true;
-  property.multiplex = true;
-  property.value = by.value;
-}
-
-function overrideSimple(property, by) {
-  by.unused = true;
-  property.value = by.value;
-}
-
-function override(property, by) {
-  if (by.multiplex)
-    overrideByMultiplex(property, by);
-  else if (property.multiplex)
-    overrideIntoMultiplex(property, by);
-  else
-    overrideSimple(property, by);
-}
-
-function overrideShorthand(property, by) {
-  by.unused = true;
-
-  for (var i = 0, l = property.components.length; i < l; i++) {
-    override(property.components[i], by.components[i], property.multiplex);
-  }
-}
-
-function turnIntoMultiplex(property, size) {
-  property.multiplex = true;
-
-  if (compactable[property.name].shorthand) {
-    turnShorthandValueIntoMultiplex(property, size);
-  } else {
-    turnLonghandValueIntoMultiplex(property, size);
-  }
-}
-
-function turnShorthandValueIntoMultiplex(property, size) {
-  var component;
-  var i, l;
-
-  for (i = 0, l = property.components.length; i < l; i++) {
-    component = property.components[i];
-
-    if (!component.multiplex) {
-      turnLonghandValueIntoMultiplex(component, size);
-    }
-  }
-}
-
-function turnLonghandValueIntoMultiplex(property, size) {
-  var descriptor = compactable[property.name];
-  var withRealValue = descriptor.intoMultiplexMode == 'real';
-  var withValue = descriptor.intoMultiplexMode == 'real' ?
-    property.value.slice(0) :
-    (descriptor.intoMultiplexMode == 'placeholder' ? descriptor.placeholderValue : descriptor.defaultValue);
-  var i = multiplexSize(property);
-  var j;
-  var m = withValue.length;
-
-  for (; i < size; i++) {
-    property.value.push([Token.PROPERTY_VALUE, Marker.COMMA]);
-
-    if (Array.isArray(withValue)) {
-      for (j = 0; j < m; j++) {
-        property.value.push(withRealValue ? withValue[j] : [Token.PROPERTY_VALUE, withValue[j]]);
-      }
-    } else {
-      property.value.push(withRealValue ? withValue : [Token.PROPERTY_VALUE, withValue]);
-    }
-  }
-}
-
-function multiplexSize(component) {
-  var size = 0;
-
-  for (var i = 0, l = component.value.length; i < l; i++) {
-    if (component.value[i][1] == Marker.COMMA)
-      size++;
-  }
-
-  return size + 1;
-}
-
-function lengthOf(property) {
-  var fakeAsArray = [
-    Token.PROPERTY,
-    [Token.PROPERTY_NAME, property.name]
-  ].concat(property.value);
-  return serializeProperty([fakeAsArray], 0).length;
-}
-
-function moreSameShorthands(properties, startAt, name) {
-  // Since we run the main loop in `compactOverrides` backwards, at this point some
-  // properties may not be marked as unused.
-  // We should consider reverting the order if possible
-  var count = 0;
-
-  for (var i = startAt; i >= 0; i--) {
-    if (properties[i].name == name && !properties[i].unused)
-      count++;
-    if (count > 1)
-      break;
-  }
-
-  return count > 1;
-}
-
-function overridingFunction(shorthand, validator) {
-  for (var i = 0, l = shorthand.components.length; i < l; i++) {
-    if (!anyValue(validator.isUrl, shorthand.components[i]) && anyValue(validator.isFunction, shorthand.components[i])) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-function anyValue(fn, property) {
-  for (var i = 0, l = property.value.length; i < l; i++) {
-    if (property.value[i][1] == Marker.COMMA)
-      continue;
-
-    if (fn(property.value[i][1]))
-      return true;
-  }
-
-  return false;
-}
-
-function wouldResultInLongerValue(left, right) {
-  if (!left.multiplex && !right.multiplex || left.multiplex && right.multiplex)
-    return false;
-
-  var multiplex = left.multiplex ? left : right;
-  var simple = left.multiplex ? right : left;
-  var component;
-
-  var multiplexClone = deepClone(multiplex);
-  restoreFromOptimizing([multiplexClone], restoreWithComponents);
-
-  var simpleClone = deepClone(simple);
-  restoreFromOptimizing([simpleClone], restoreWithComponents);
-
-  var lengthBefore = lengthOf(multiplexClone) + 1 + lengthOf(simpleClone);
-
-  if (left.multiplex) {
-    component = findComponentIn(multiplexClone, simpleClone);
-    overrideIntoMultiplex(component, simpleClone);
-  } else {
-    component = findComponentIn(simpleClone, multiplexClone);
-    turnIntoMultiplex(simpleClone, multiplexSize(multiplexClone));
-    overrideByMultiplex(component, multiplexClone);
-  }
-
-  restoreFromOptimizing([simpleClone], restoreWithComponents);
-
-  var lengthAfter = lengthOf(simpleClone);
-
-  return lengthBefore <= lengthAfter;
-}
-
-function isCompactable(property) {
-  return property.name in compactable;
-}
-
-function noneOverrideHack(left, right) {
-  return !left.multiplex &&
-    (left.name == 'background' || left.name == 'background-image') &&
-    right.multiplex &&
-    (right.name == 'background' || right.name == 'background-image') &&
-    anyLayerIsNone(right.value);
-}
-
-function anyLayerIsNone(values) {
-  var layers = intoLayers(values);
-
-  for (var i = 0, l = layers.length; i < l; i++) {
-    if (layers[i].length == 1 && layers[i][0][1] == 'none')
-      return true;
-  }
-
-  return false;
-}
-
-function intoLayers(values) {
-  var layers = [];
-
-  for (var i = 0, layer = [], l = values.length; i < l; i++) {
-    var value = values[i];
-    if (value[1] == Marker.COMMA) {
-      layers.push(layer);
-      layer = [];
-    } else {
-      layer.push(value);
-    }
-  }
-
-  layers.push(layer);
-  return layers;
-}
-
-function overrideProperties(properties, withMerging, compatibility, validator) {
-  var mayOverride, right, left, component;
-  var overriddenComponents;
-  var overriddenComponent;
-  var overridingComponent;
-  var overridable;
-  var i, j, k;
-
-  propertyLoop:
-  for (i = properties.length - 1; i >= 0; i--) {
-    right = properties[i];
-
-    if (!isCompactable(right))
-      continue;
-
-    if (right.block)
-      continue;
-
-    mayOverride = compactable[right.name].canOverride;
-
-    traverseLoop:
-    for (j = i - 1; j >= 0; j--) {
-      left = properties[j];
-
-      if (!isCompactable(left))
-        continue;
-
-      if (left.block)
-        continue;
-
-      if (left.unused || right.unused)
-        continue;
-
-      if (left.hack && !right.hack && !right.important || !left.hack && !left.important && right.hack)
-        continue;
-
-      if (left.important == right.important && left.hack[0] != right.hack[0])
-        continue;
-
-      if (left.important == right.important && (left.hack[0] != right.hack[0] || (left.hack[1] && left.hack[1] != right.hack[1])))
-        continue;
-
-      if (hasInherit(right))
-        continue;
-
-      if (noneOverrideHack(left, right))
-        continue;
-
-      if (right.shorthand && isComponentOf(right, left)) {
-        // maybe `left` can be overridden by `right` which is a shorthand?
-        if (!right.important && left.important)
-          continue;
-
-        if (!sameVendorPrefixesIn([left], right.components))
-          continue;
-
-        if (!anyValue(validator.isFunction, left) && overridingFunction(right, validator))
-          continue;
-
-        if (!isMergeableShorthand(right)) {
-          left.unused = true;
-          continue;
-        }
-
-        component = findComponentIn(right, left);
-        mayOverride = compactable[left.name].canOverride;
-        if (everyValuesPair(mayOverride.bind(null, validator), left, component)) {
-          left.unused = true;
-        }
-      } else if (right.shorthand && overridesNonComponentShorthand(right, left)) {
-        // `right` is a shorthand while `left` can be overriden by it, think `border` and `border-top`
-        if (!right.important && left.important) {
-          continue;
-        }
-
-        if (!sameVendorPrefixesIn([left], right.components)) {
-          continue;
-        }
-
-        if (!anyValue(validator.isFunction, left) && overridingFunction(right, validator)) {
-          continue;
-        }
-
-        overriddenComponents = left.shorthand ?
-          left.components:
-          [left];
-
-        for (k = overriddenComponents.length - 1; k >= 0; k--) {
-          overriddenComponent = overriddenComponents[k];
-          overridingComponent = findComponentIn(right, overriddenComponent);
-          mayOverride = compactable[overriddenComponent.name].canOverride;
-
-          if (!everyValuesPair(mayOverride.bind(null, validator), left, overridingComponent)) {
-            continue traverseLoop;
-          }
-        }
-
-        left.unused = true;
-      } else if (withMerging && left.shorthand && !right.shorthand && isComponentOf(left, right, true)) {
-        // maybe `right` can be pulled into `left` which is a shorthand?
-        if (right.important && !left.important)
-          continue;
-
-        if (!right.important && left.important) {
-          right.unused = true;
-          continue;
-        }
-
-        // Pending more clever algorithm in #527
-        if (moreSameShorthands(properties, i - 1, left.name))
-          continue;
-
-        if (overridingFunction(left, validator))
-          continue;
-
-        if (!isMergeableShorthand(left))
-          continue;
-
-        component = findComponentIn(left, right);
-        if (everyValuesPair(mayOverride.bind(null, validator), component, right)) {
-          var disabledBackgroundMerging =
-            !compatibility.properties.backgroundClipMerging && component.name.indexOf('background-clip') > -1 ||
-            !compatibility.properties.backgroundOriginMerging && component.name.indexOf('background-origin') > -1 ||
-            !compatibility.properties.backgroundSizeMerging && component.name.indexOf('background-size') > -1;
-          var nonMergeableValue = compactable[right.name].nonMergeableValue === right.value[0][1];
-
-          if (disabledBackgroundMerging || nonMergeableValue)
-            continue;
-
-          if (!compatibility.properties.merging && wouldBreakCompatibility(left, validator))
-            continue;
-
-          if (component.value[0][1] != right.value[0][1] && (hasInherit(left) || hasInherit(right)))
-            continue;
-
-          if (wouldResultInLongerValue(left, right))
-            continue;
-
-          if (!left.multiplex && right.multiplex)
-            turnIntoMultiplex(left, multiplexSize(right));
-
-          override(component, right);
-          left.dirty = true;
-        }
-      } else if (withMerging && left.shorthand && right.shorthand && left.name == right.name) {
-        // merge if all components can be merged
-
-        if (!left.multiplex && right.multiplex)
-          continue;
-
-        if (!right.important && left.important) {
-          right.unused = true;
-          continue propertyLoop;
-        }
-
-        if (right.important && !left.important) {
-          left.unused = true;
-          continue;
-        }
-
-        if (!isMergeableShorthand(right)) {
-          left.unused = true;
-          continue;
-        }
-
-        for (k = left.components.length - 1; k >= 0; k--) {
-          var leftComponent = left.components[k];
-          var rightComponent = right.components[k];
-
-          mayOverride = compactable[leftComponent.name].canOverride;
-          if (!everyValuesPair(mayOverride.bind(null, validator), leftComponent, rightComponent))
-            continue propertyLoop;
-        }
-
-        overrideShorthand(left, right);
-        left.dirty = true;
-      } else if (withMerging && left.shorthand && right.shorthand && isComponentOf(left, right)) {
-        // border is a shorthand but any of its components is a shorthand too
-
-        if (!left.important && right.important)
-          continue;
-
-        component = findComponentIn(left, right);
-        mayOverride = compactable[right.name].canOverride;
-        if (!everyValuesPair(mayOverride.bind(null, validator), component, right))
-          continue;
-
-        if (left.important && !right.important) {
-          right.unused = true;
-          continue;
-        }
-
-        var rightRestored = compactable[right.name].restore(right, compactable);
-        if (rightRestored.length > 1)
-          continue;
-
-        component = findComponentIn(left, right);
-        override(component, right);
-        right.dirty = true;
-      } else if (left.name == right.name) {
-        // two non-shorthands should be merged based on understandability
-        overridable = true;
-
-        if (right.shorthand) {
-          for (k = right.components.length - 1; k >= 0 && overridable; k--) {
-            overriddenComponent = left.components[k];
-            overridingComponent = right.components[k];
-            mayOverride = compactable[overridingComponent.name].canOverride;
-
-            overridable = overridable && everyValuesPair(mayOverride.bind(null, validator), overriddenComponent, overridingComponent);
-          }
-        } else {
-          mayOverride = compactable[right.name].canOverride;
-          overridable = everyValuesPair(mayOverride.bind(null, validator), left, right);
-        }
-
-        if (left.important && !right.important && overridable) {
-          right.unused = true;
-          continue;
-        }
-
-        if (!left.important && right.important && overridable) {
-          left.unused = true;
-          continue;
-        }
-
-        if (!overridable) {
-          continue;
-        }
-
-        left.unused = true;
-      }
-    }
-  }
-}
-
-module.exports = overrideProperties;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/overrides-non-component-shorthand.js b/node_modules/clean-css/lib/optimizer/level-2/properties/overrides-non-component-shorthand.js
deleted file mode 100644
index c385218a..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/overrides-non-component-shorthand.js
+++ /dev/null
@@ -1,9 +0,0 @@
-var compactable = require('../compactable');
-
-function overridesNonComponentShorthand(property1, property2) {
-  return property1.name in compactable &&
-    'overridesShorthands' in compactable[property1.name] &&
-    compactable[property1.name].overridesShorthands.indexOf(property2.name) > -1;
-}
-
-module.exports = overridesNonComponentShorthand;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/populate-components.js b/node_modules/clean-css/lib/optimizer/level-2/properties/populate-components.js
deleted file mode 100644
index c587e83c..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/populate-components.js
+++ /dev/null
@@ -1,42 +0,0 @@
-var compactable = require('../compactable');
-var InvalidPropertyError = require('../invalid-property-error');
-
-function populateComponents(properties, validator, warnings) {
-  var component;
-  var j, m;
-
-  for (var i = properties.length - 1; i >= 0; i--) {
-    var property = properties[i];
-    var descriptor = compactable[property.name];
-
-    if (descriptor && descriptor.shorthand) {
-      property.shorthand = true;
-      property.dirty = true;
-
-      try {
-        property.components = descriptor.breakUp(property, compactable, validator);
-
-        if (descriptor.shorthandComponents) {
-          for (j = 0, m = property.components.length; j < m; j++) {
-            component = property.components[j];
-            component.components = compactable[component.name].breakUp(component, compactable, validator);
-          }
-        }
-      } catch (e) {
-        if (e instanceof InvalidPropertyError) {
-          property.components = []; // this will set property.unused to true below
-          warnings.push(e.message);
-        } else {
-          throw e;
-        }
-      }
-
-      if (property.components.length > 0)
-        property.multiplex = property.components[0].multiplex;
-      else
-        property.unused = true;
-    }
-  }
-}
-
-module.exports = populateComponents;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/understandable.js b/node_modules/clean-css/lib/optimizer/level-2/properties/understandable.js
deleted file mode 100644
index 032169a2..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/understandable.js
+++ /dev/null
@@ -1,15 +0,0 @@
-var sameVendorPrefixes = require('./vendor-prefixes').same;
-
-function understandable(validator, value1, value2, _position, isPaired) {
-  if (!sameVendorPrefixes(value1, value2)) {
-    return false;
-  }
-
-  if (isPaired && validator.isVariable(value1) !== validator.isVariable(value2)) {
-    return false;
-  }
-
-  return true;
-}
-
-module.exports = understandable;
diff --git a/node_modules/clean-css/lib/optimizer/level-2/properties/vendor-prefixes.js b/node_modules/clean-css/lib/optimizer/level-2/properties/vendor-prefixes.js
deleted file mode 100644
index f9ab5272..00000000
--- a/node_modules/clean-css/lib/optimizer/level-2/properties/vendor-prefixes.js
+++ /dev/null
@@ -1,23 +0,0 @@
-var VENDOR_PREFIX_PATTERN = /(?:^|\W)(\-\w+\-)/g;
-
-function unique(value) {
-  var prefixes = [];
-  var match;
-
-  while ((match = VENDOR_PREFIX_PATTERN.exec(value)) !== null) {
-    if (prefixes.indexOf(match[0]) == -1) {
-      prefixes.push(match[0]);
-    }
-  }
-
-  return prefixes;
-}
-
-function same(value1, value2) {
-  return unique(value1).sort().join(',') == unique(value2).sort().join(',');
-}
-
-module.exports = {
-  unique: unique,
-  same: same
-};