vite/dist/node/chunks/dep-cb9bf5e2.js

Native-ESM powered web dev build tool

'use strict';

var require$$0 = require('os');
var require$$0$1 = require('http');
var require$$1 = require('https');
var require$$0$2 = require('url');
var path$8 = require('path');
var build = require('./dep-cc49d7be.js');
var fs$3 = require('fs');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e['default'] : e; }

var require$$0__default = /*#__PURE__*/_interopDefaultLegacy(require$$0);
var require$$0__default$1 = /*#__PURE__*/_interopDefaultLegacy(require$$0$1);
var require$$1__default = /*#__PURE__*/_interopDefaultLegacy(require$$1);
var require$$0__default$2 = /*#__PURE__*/_interopDefaultLegacy(require$$0$2);
var path__default = /*#__PURE__*/_interopDefaultLegacy(path$8);
var fs__default = /*#__PURE__*/_interopDefaultLegacy(fs$3);

var clean = {exports: {}};

function level0Optimize$1(tokens) {
  // noop as level 0 means no optimizations!
  return tokens;
}

var optimize$4 = level0Optimize$1;

// adapted from http://nedbatchelder.com/blog/200712.html#e20071211T054956

var NUMBER_PATTERN = /([0-9]+)/;

function naturalCompare$1(value1, value2) {
  var keys1 = ('' + value1).split(NUMBER_PATTERN).map(tryParseInt);
  var keys2 = ('' + value2).split(NUMBER_PATTERN).map(tryParseInt);
  var key1;
  var key2;
  var compareFirst = Math.min(keys1.length, keys2.length);
  var i, l;

  for (i = 0, l = compareFirst; i < l; i++) {
    key1 = keys1[i];
    key2 = keys2[i];

    if (key1 != key2) {
      return key1 > key2 ? 1 : -1;
    }
  }

  return keys1.length > keys2.length ? 1 : (keys1.length == keys2.length ? 0 : -1);
}

function tryParseInt(value) {
  return ('' + parseInt(value)) == value ?
    parseInt(value) :
    value;
}

var naturalCompare_1 = naturalCompare$1;

var naturalCompare = naturalCompare_1;

function naturalSorter$1(scope1, scope2) {
  return naturalCompare(scope1[1], scope2[1]);
}

function standardSorter(scope1, scope2) {
  return scope1[1] > scope2[1] ? 1 : -1;
}

function sortSelectors$3(selectors, method) {
  switch (method) {
    case 'natural':
      return selectors.sort(naturalSorter$1);
    case 'standard':
      return selectors.sort(standardSorter);
    case 'none':
    case false:
      return selectors;
  }
}

var sortSelectors_1 = sortSelectors$3;

function override$7(source1, source2) {
  var target = {};
  var key1;
  var key2;
  var item;

  for (key1 in source1) {
    item = source1[key1];

    if (Array.isArray(item)) {
      target[key1] = item.slice(0);
    } else if (typeof item == 'object' && item !== null) {
      target[key1] = override$7(item, {});
    } else {
      target[key1] = item;
    }
  }

  for (key2 in source2) {
    item = source2[key2];

    if (key2 in target && Array.isArray(item)) {
      target[key2] = item.slice(0);
    } else if (key2 in target && typeof item == 'object' && item !== null) {
      target[key2] = override$7(target[key2], item);
    } else {
      target[key2] = item;
    }
  }

  return target;
}

var override_1 = override$7;

var systemLineBreak = require$$0__default.EOL;

var override$6 = override_1;

var Breaks$1 = {
  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: systemLineBreak
};

var IndentWith = {
  Space: ' ',
  Tab: '\t'
};

var Spaces$2 = {
  AroundSelectorRelation: 'aroundSelectorRelation',
  BeforeBlockBegins: 'beforeBlockBegins',
  BeforeValue: 'beforeValue'
};

var DEFAULTS$2 = {
  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$1 = ';';
var OPTION_NAME_VALUE_SEPARATOR = ':';
var HASH_VALUES_OPTION_SEPARATOR = ',';
var HASH_VALUES_NAME_VALUE_SEPARATOR = '=';

var FALSE_KEYWORD_1$1 = 'false';
var FALSE_KEYWORD_2$1 = 'off';
var TRUE_KEYWORD_1$1 = 'true';
var TRUE_KEYWORD_2$1 = 'on';

function breaks(value) {
  var breakOptions = {};

  breakOptions[Breaks$1.AfterAtRule] = value;
  breakOptions[Breaks$1.AfterBlockBegins] = value;
  breakOptions[Breaks$1.AfterBlockEnds] = value;
  breakOptions[Breaks$1.AfterComment] = value;
  breakOptions[Breaks$1.AfterProperty] = value;
  breakOptions[Breaks$1.AfterRuleBegins] = value;
  breakOptions[Breaks$1.AfterRuleEnds] = value;
  breakOptions[Breaks$1.BeforeBlockEnds] = value;
  breakOptions[Breaks$1.BetweenSelectors] = value;

  return breakOptions;
}

function spaces(value) {
  var spaceOptions = {};

  spaceOptions[Spaces$2.AroundSelectorRelation] = value;
  spaceOptions[Spaces$2.BeforeBlockBegins] = value;
  spaceOptions[Spaces$2.BeforeValue] = value;

  return spaceOptions;
}

function formatFrom$1(source) {
  if (source === undefined || source === false) {
    return false;
  }

  if (typeof source == 'object' && 'breakWith' in source) {
    source = override$6(source, { breakWith: mapBreakWith(source.breakWith) });
  }

  if (typeof source == 'object' && 'indentBy' in source) {
    source = override$6(source, { indentBy: parseInt(source.indentBy) });
  }

  if (typeof source == 'object' && 'indentWith' in source) {
    source = override$6(source, { indentWith: mapIndentWith(source.indentWith) });
  }

  if (typeof source == 'object') {
    return remapBreaks(override$6(DEFAULTS$2, source));
  }

  if (typeof source == 'string' && source == BEAUTIFY_ALIAS) {
    return remapBreaks(
      override$6(DEFAULTS$2, {
        breaks: breaks(true),
        indentBy: 2,
        spaces: spaces(true)
      })
    );
  }

  if (typeof source == 'string' && source == KEEP_BREAKS_ALIAS) {
    return remapBreaks(
      override$6(DEFAULTS$2, {
        breaks: {
          afterAtRule: true,
          afterBlockBegins: true,
          afterBlockEnds: true,
          afterComment: true,
          afterRuleEnds: true,
          beforeBlockEnds: true
        }
      })
    );
  }

  if (typeof source == 'string') {
    return remapBreaks(override$6(DEFAULTS$2, toHash(source)));
  }

  return DEFAULTS$2;
}

function toHash(string) {
  return string
    .split(OPTION_SEPARATOR$1)
    .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$1(value);

      return accumulator;
    }, {});
}


function normalizeValue$1(value) {
  switch (value) {
    case FALSE_KEYWORD_1$1:
    case FALSE_KEYWORD_2$1:
      return false;
    case TRUE_KEYWORD_1$1:
    case TRUE_KEYWORD_2$1:
      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 systemLineBreak;
  }
}

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$1) {
    var breakName = Breaks$1[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;
}

var format = {
  Breaks: Breaks$1,
  Spaces: Spaces$2,
  formatFrom: formatFrom$1
};

var Marker$g = {
  ASTERISK: '*',
  AT: '@',
  BACK_SLASH: '\\',
  CARRIAGE_RETURN: '\r',
  CLOSE_CURLY_BRACKET: '}',
  CLOSE_ROUND_BRACKET: ')',
  CLOSE_SQUARE_BRACKET: ']',
  COLON: ':',
  COMMA: ',',
  DOUBLE_QUOTE: '"',
  EXCLAMATION: '!',
  FORWARD_SLASH: '/',
  INTERNAL: '-clean-css-',
  NEW_LINE_NIX: '\n',
  OPEN_CURLY_BRACKET: '{',
  OPEN_ROUND_BRACKET: '(',
  OPEN_SQUARE_BRACKET: '[',
  SEMICOLON: ';',
  SINGLE_QUOTE: '\'',
  SPACE: ' ',
  TAB: '\t',
  UNDERSCORE: '_'
};

var marker = Marker$g;

function formatPosition$4(metadata) {
  var line = metadata[0];
  var column = metadata[1];
  var source = metadata[2];

  return source ?
    source + ':' + line + ':' + column :
    line + ':' + column;
}

var formatPosition_1 = formatPosition$4;

var Spaces$1 = format.Spaces;
var Marker$f = marker;
var formatPosition$3 = formatPosition_1;

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$1 = /[>\+~]/;
var WHITESPACE_PATTERN$2 = /\s/;

var ASTERISK_PLUS_HTML_HACK = '*+html ';
var ASTERISK_FIRST_CHILD_PLUS_HTML_HACK = '*:first-child+html ';
var LESS_THAN = '<';

var PSEUDO_CLASSES_WITH_SELECTORS = [
  ':current',
  ':future',
  ':has',
  ':host',
  ':host-context',
  ':is',
  ':not',
  ':past',
  ':where'
];

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) ; else if (character == Marker$f.SINGLE_QUOTE || character == Marker$f.DOUBLE_QUOTE) {
      isQuote = !isQuote;
    } else if (!isQuote && (character == Marker$f.CLOSE_CURLY_BRACKET || character == Marker$f.EXCLAMATION || character == LESS_THAN || character == Marker$f.SEMICOLON)) {
      isInvalid = true;
      break;
    } else if (!isQuote && i === 0 && RELATION_PATTERN$1.test(character)) {
      isInvalid = true;
      break;
    }

    isEscaped = character == Marker$f.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 isSpaceAwarePseudoClass;
  var roundBracketLevel = 0;
  var wasComma = false;
  var wasRelation = false;
  var wasWhitespace = false;
  var withCaseAttribute = CASE_ATTRIBUTE_PATTERN.test(value);
  var spaceAroundRelation = format && format.spaces[Spaces$1.AroundSelectorRelation];
  var i, l;

  for (i = 0, l = value.length; i < l; i++) {
    character = value[i];

    isNewLineNix = character == Marker$f.NEW_LINE_NIX;
    isNewLineWin = character == Marker$f.NEW_LINE_NIX && value[i - 1] == Marker$f.CARRIAGE_RETURN;
    isQuoted = isSingleQuoted || isDoubleQuoted;
    isRelation = !isAttribute && !isEscaped && roundBracketLevel === 0 && RELATION_PATTERN$1.test(character);
    isWhitespace = WHITESPACE_PATTERN$2.test(character);
    isSpaceAwarePseudoClass = roundBracketLevel == 1 && character == Marker$f.CLOSE_ROUND_BRACKET ?
      false :
      isSpaceAwarePseudoClass || (roundBracketLevel === 0 && character == Marker$f.COLON && isPseudoClassWithSelectors(value, i));

    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$f.OPEN_SQUARE_BRACKET && !isQuoted) {
      stripped.push(character);
      isAttribute = true;
    } else if (character == Marker$f.CLOSE_SQUARE_BRACKET && !isQuoted) {
      stripped.push(character);
      isAttribute = false;
    } else if (character == Marker$f.OPEN_ROUND_BRACKET && !isQuoted) {
      stripped.push(character);
      roundBracketLevel++;
    } else if (character == Marker$f.CLOSE_ROUND_BRACKET && !isQuoted) {
      stripped.push(character);
      roundBracketLevel--;
    } else if (character == Marker$f.SINGLE_QUOTE && !isQuoted) {
      stripped.push(character);
      isSingleQuoted = true;
    } else if (character == Marker$f.DOUBLE_QUOTE && !isQuoted) {
      stripped.push(character);
      isDoubleQuoted = true;
    } else if (character == Marker$f.SINGLE_QUOTE && isQuoted) {
      stripped.push(character);
      isSingleQuoted = false;
    } else if (character == Marker$f.DOUBLE_QUOTE && isQuoted) {
      stripped.push(character);
      isDoubleQuoted = false;
    } else if (isWhitespace && wasRelation && !spaceAroundRelation) {
      continue;
    } else if (!isWhitespace && wasRelation && spaceAroundRelation) {
      stripped.push(Marker$f.SPACE);
      stripped.push(character);
    } else if (isWhitespace && !wasWhitespace && wasComma && roundBracketLevel > 0 && isSpaceAwarePseudoClass) ; else if (isWhitespace && !wasWhitespace && roundBracketLevel > 0 && isSpaceAwarePseudoClass) {
      stripped.push(character);
    } else if (isWhitespace && (isAttribute || roundBracketLevel > 0) && !isQuoted) ; else if (isWhitespace && wasWhitespace && !isQuoted) ; else if ((isNewLineWin || isNewLineNix) && (isAttribute || roundBracketLevel > 0) && isQuoted) ; else if (isRelation && wasWhitespace && !spaceAroundRelation) {
      stripped.pop();
      stripped.push(character);
    } else if (isRelation && !wasWhitespace && spaceAroundRelation) {
      stripped.push(Marker$f.SPACE);
      stripped.push(character);
    } else if (isWhitespace) {
      stripped.push(Marker$f.SPACE);
    } else {
      stripped.push(character);
    }

    wasEscaped = isEscaped;
    isEscaped = character == Marker$f.BACK_SLASH;
    wasRelation = isRelation;
    wasWhitespace = isWhitespace;
    wasComma = character == Marker$f.COMMA;
  }

  return withCaseAttribute ?
    stripped.join('').replace(CASE_RESTORE_PATTERN, '$1 $2]') :
    stripped.join('');
}

function isPseudoClassWithSelectors(value, colonPosition) {
  var pseudoClass = value.substring(colonPosition, value.indexOf(Marker$f.OPEN_ROUND_BRACKET, colonPosition));

  return PSEUDO_CLASSES_WITH_SELECTORS.indexOf(pseudoClass) > -1;
}

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$3(rules, removeUnsupported, adjacentSpace, format, warnings) {
  var list = [];
  var repeated = [];

  function removeHTMLComment(rule, match) {
    warnings.push('HTML comment \'' + match + '\' at ' + formatPosition$3(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$3(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$3(list[0][2][0]) + '. Ignoring.');
    list = [];
  }

  return list;
}

var tidyRules_1 = tidyRules$3;

var SUPPORTED_COMPACT_BLOCK_MATCHER = /^@media\W/;
var SUPPORTED_QUOTE_REMOVAL_MATCHER = /^@(?:keyframes|-moz-keyframes|-o-keyframes|-webkit-keyframes)\W/;

function tidyBlock$1(values, spaceAfterClosingBrace) {
  var withoutSpaceAfterClosingBrace;
  var withoutQuotes;
  var i;

  for (i = values.length - 1; i >= 0; i--) {
    withoutSpaceAfterClosingBrace = !spaceAfterClosingBrace && SUPPORTED_COMPACT_BLOCK_MATCHER.test(values[i][1]);
    withoutQuotes = SUPPORTED_QUOTE_REMOVAL_MATCHER.test(values[i][1]);

    values[i][1] = values[i][1]
      .replace(/\n|\r\n/g, ' ')
      .replace(/\s+/g, ' ')
      .replace(/(,|:|\() /g, '$1')
      .replace(/ \)/g, ')');

    if (withoutQuotes) {
      values[i][1] = values[i][1]
        .replace(/'([a-zA-Z][a-zA-Z\d\-_]+)'/, '$1')
        .replace(/"([a-zA-Z][a-zA-Z\d\-_]+)"/, '$1');
    }

    if (withoutSpaceAfterClosingBrace) {
      values[i][1] = values[i][1]
        .replace(/\) /g, ')');
    }
  }

  return values;
}

var tidyBlock_1 = tidyBlock$1;

function tidyAtRule$1(value) {
  return value
    .replace(/\s+/g, ' ')
    .replace(/url\(\s+/g, 'url(')
    .replace(/\s+\)/g, ')')
    .trim();
}

var tidyAtRule_1 = tidyAtRule$1;

var Hack$3 = {
  ASTERISK: 'asterisk',
  BANG: 'bang',
  BACKSLASH: 'backslash',
  UNDERSCORE: 'underscore'
};

var hack = Hack$3;

function removeUnused$2(properties) {
  for (var i = properties.length - 1; i >= 0; i--) {
    var property = properties[i];

    if (property.unused) {
      property.all.splice(property.position, 1);
    }
  }
}

var removeUnused_1 = removeUnused$2;

var Hack$2 = hack;

var Marker$e = marker;

var ASTERISK_HACK = '*';
var BACKSLASH_HACK = '\\';
var IMPORTANT_TOKEN = '!important';
var UNDERSCORE_HACK = '_';
var BANG_HACK = '!ie';

function restoreFromOptimizing$5(properties, restoreCallback) {
  var property;
  var restored;
  var current;
  var i;

  for (i = properties.length - 1; i >= 0; i--) {
    property = properties[i];

    if (property.dynamic && property.important) {
      restoreImportant(property);
      continue;
    }

    if (property.dynamic) {
      continue;
    }

    if (property.unused) {
      continue;
    }

    if (!property.dirty && !property.important && !property.hack) {
      continue;
    }

    if (property.optimizable && restoreCallback) {
      restored = restoreCallback(property);
      property.value = restored;
    } else {
      restored = property.value;
    }

    if (property.important) {
      restoreImportant(property);
    }

    if (property.hack) {
      restoreHack(property);
    }

    if ('all' in property) {
      current = property.all[property.position];
      current[1][1] = property.name;

      current.splice(2, current.length - 1);
      Array.prototype.push.apply(current, restored);
    }
  }
}

function restoreImportant(property) {
  property.value[property.value.length - 1][1] += IMPORTANT_TOKEN;
}

function restoreHack(property) {
  if (property.hack[0] == Hack$2.UNDERSCORE) {
    property.name = UNDERSCORE_HACK + property.name;
  } else if (property.hack[0] == Hack$2.ASTERISK) {
    property.name = ASTERISK_HACK + property.name;
  } else if (property.hack[0] == Hack$2.BACKSLASH) {
    property.value[property.value.length - 1][1] += BACKSLASH_HACK + property.hack[1];
  } else if (property.hack[0] == Hack$2.BANG) {
    property.value[property.value.length - 1][1] += Marker$e.SPACE + BANG_HACK;
  }
}

var restoreFromOptimizing_1 = restoreFromOptimizing$5;

var Token$o = {
  AT_RULE: 'at-rule', // e.g. `@import`, `@charset`
  AT_RULE_BLOCK: 'at-rule-block', // e.g. `@font-face{...}`
  AT_RULE_BLOCK_SCOPE: 'at-rule-block-scope', // e.g. `@font-face`
  COMMENT: 'comment', // e.g. `/* comment */`
  NESTED_BLOCK: 'nested-block', // e.g. `@media screen{...}`, `@keyframes animation {...}`
  NESTED_BLOCK_SCOPE: 'nested-block-scope', // e.g. `@media`, `@keyframes`
  PROPERTY: 'property', // e.g. `color:red`
  PROPERTY_BLOCK: 'property-block', // e.g. `--var:{color:red}`
  PROPERTY_NAME: 'property-name', // e.g. `color`
  PROPERTY_VALUE: 'property-value', // e.g. `red`
  RAW: 'raw', // e.g. anything between /* clean-css ignore:start */ and /* clean-css ignore:end */ comments
  RULE: 'rule', // e.g `div > a{...}`
  RULE_SCOPE: 'rule-scope' // e.g `div > a`
};

var token = Token$o;

var Hack$1 = hack;

var Marker$d = marker;
var Token$n = token;

var Match = {
  ASTERISK: '*',
  BACKSLASH: '\\',
  BANG: '!',
  BANG_SUFFIX_PATTERN: /!\w+$/,
  IMPORTANT_TOKEN: '!important',
  IMPORTANT_TOKEN_PATTERN: new RegExp('!important$', 'i'),
  IMPORTANT_WORD: 'important',
  IMPORTANT_WORD_PATTERN: new RegExp('important$', 'i'),
  SUFFIX_BANG_PATTERN: /!$/,
  UNDERSCORE: '_',
  VARIABLE_REFERENCE_PATTERN: /var\(--.+\)$/
};

function wrapAll(properties, skipProperties) {
  var wrapped = [];
  var single;
  var property;
  var i;

  for (i = properties.length - 1; i >= 0; i--) {
    property = properties[i];

    if (property[0] != Token$n.PROPERTY) {
      continue;
    }

    if (skipProperties && skipProperties.indexOf(property[1][1]) > -1) {
      continue;
    }

    single = wrapSingle$3(property);
    single.all = properties;
    single.position = i;
    wrapped.unshift(single);
  }

  return wrapped;
}

function someVariableReferences(property) {
  var i, l;
  var value;

  // skipping `property` and property name tokens
  for (i = 2, l = property.length; i < l; i++) {
    value = property[i];

    if (value[0] != Token$n.PROPERTY_VALUE) {
      continue;
    }

    if (isVariableReference(value[1])) {
      return true;
    }
  }

  return false;
}

function isVariableReference(value) {
  return Match.VARIABLE_REFERENCE_PATTERN.test(value);
}

function isMultiplex(property) {
  var value;
  var i, l;

  for (i = 3, l = property.length; i < l; i++) {
    value = property[i];

    if (value[0] == Token$n.PROPERTY_VALUE && (value[1] == Marker$d.COMMA || value[1] == Marker$d.FORWARD_SLASH)) {
      return true;
    }
  }

  return false;
}

function hackFrom(property) {
  var match = false;
  var name = property[1][1];
  var lastValue = property[property.length - 1];

  if (name[0] == Match.UNDERSCORE) {
    match = [Hack$1.UNDERSCORE];
  } else if (name[0] == Match.ASTERISK) {
    match = [Hack$1.ASTERISK];
  } else if (lastValue[1][0] == Match.BANG && !lastValue[1].match(Match.IMPORTANT_WORD_PATTERN)) {
    match = [Hack$1.BANG];
  } else if (lastValue[1].indexOf(Match.BANG) > 0 && !lastValue[1].match(Match.IMPORTANT_WORD_PATTERN) && Match.BANG_SUFFIX_PATTERN.test(lastValue[1])) {
    match = [Hack$1.BANG];
  } else if (lastValue[1].indexOf(Match.BACKSLASH) > 0 && lastValue[1].indexOf(Match.BACKSLASH) == lastValue[1].length - Match.BACKSLASH.length - 1) {
    match = [Hack$1.BACKSLASH, lastValue[1].substring(lastValue[1].indexOf(Match.BACKSLASH) + 1)];
  } else if (lastValue[1].indexOf(Match.BACKSLASH) === 0 && lastValue[1].length == 2) {
    match = [Hack$1.BACKSLASH, lastValue[1].substring(1)];
  }

  return match;
}

function isImportant(property) {
  if (property.length < 3)
    return false;

  var lastValue = property[property.length - 1];
  if (Match.IMPORTANT_TOKEN_PATTERN.test(lastValue[1])) {
    return true;
  } else if (Match.IMPORTANT_WORD_PATTERN.test(lastValue[1]) && Match.SUFFIX_BANG_PATTERN.test(property[property.length - 2][1])) {
    return true;
  }

  return false;
}

function stripImportant(property) {
  var lastValue = property[property.length - 1];
  var oneButLastValue = property[property.length - 2];

  if (Match.IMPORTANT_TOKEN_PATTERN.test(lastValue[1])) {
    lastValue[1] = lastValue[1].replace(Match.IMPORTANT_TOKEN_PATTERN, '');
  } else {
    lastValue[1] = lastValue[1].replace(Match.IMPORTANT_WORD_PATTERN, '');
    oneButLastValue[1] = oneButLastValue[1].replace(Match.SUFFIX_BANG_PATTERN, '');
  }

  if (lastValue[1].length === 0) {
    property.pop();
  }

  if (oneButLastValue[1].length === 0) {
    property.pop();
  }
}

function stripPrefixHack(property) {
  property[1][1] = property[1][1].substring(1);
}

function stripSuffixHack(property, hackFrom) {
  var lastValue = property[property.length - 1];
  lastValue[1] = lastValue[1]
    .substring(0, lastValue[1].indexOf(hackFrom[0] == Hack$1.BACKSLASH ? Match.BACKSLASH : Match.BANG))
    .trim();

  if (lastValue[1].length === 0) {
    property.pop();
  }
}

function wrapSingle$3(property) {
  var importantProperty = isImportant(property);
  if (importantProperty) {
    stripImportant(property);
  }

  var whichHack = hackFrom(property);
  if (whichHack[0] == Hack$1.ASTERISK || whichHack[0] == Hack$1.UNDERSCORE) {
    stripPrefixHack(property);
  } else if (whichHack[0] == Hack$1.BACKSLASH || whichHack[0] == Hack$1.BANG) {
    stripSuffixHack(property, whichHack);
  }

  return {
    block: property[2] && property[2][0] == Token$n.PROPERTY_BLOCK,
    components: [],
    dirty: false,
    dynamic: someVariableReferences(property),
    hack: whichHack,
    important: importantProperty,
    name: property[1][1],
    multiplex: property.length > 3 ? isMultiplex(property) : false,
    optimizable: true,
    position: 0,
    shorthand: false,
    unused: false,
    value: property.slice(2)
  };
}

var wrapForOptimizing$3 = {
  all: wrapAll,
  single: wrapSingle$3
};

function InvalidPropertyError$2(message) {
  this.name = 'InvalidPropertyError';
  this.message = message;
  this.stack = (new Error()).stack;
}

InvalidPropertyError$2.prototype = Object.create(Error.prototype);
InvalidPropertyError$2.prototype.constructor = InvalidPropertyError$2;

var invalidPropertyError = InvalidPropertyError$2;

var InvalidPropertyError$1 = invalidPropertyError;

var wrapSingle$2 = wrapForOptimizing$3.single;

var Token$m = token;
var Marker$c = marker;

var formatPosition$2 = formatPosition_1;

function _anyIsInherit(values) {
  var i, l;

  for (i = 0, l = values.length; i < l; i++) {
    if (values[i][1] == 'inherit') {
      return true;
    }
  }

  return false;
}

function _colorFilter(validator) {
  return function (value) {
    return value[1] == 'invert' || validator.isColor(value[1]) || validator.isPrefixed(value[1]);
  };
}

function _styleFilter(validator) {
  return function (value) {
    return value[1] != 'inherit' && validator.isStyleKeyword(value[1]) && !validator.isColorFunction(value[1]);
  };
}

function _wrapDefault(name, property, configuration) {
  var descriptor = configuration[name];
  if (descriptor.doubleValues && descriptor.defaultValue.length == 2) {
    return wrapSingle$2([
      Token$m.PROPERTY,
      [Token$m.PROPERTY_NAME, name],
      [Token$m.PROPERTY_VALUE, descriptor.defaultValue[0]],
      [Token$m.PROPERTY_VALUE, descriptor.defaultValue[1]]
    ]);
  } else if (descriptor.doubleValues && descriptor.defaultValue.length == 1) {
    return wrapSingle$2([
      Token$m.PROPERTY,
      [Token$m.PROPERTY_NAME, name],
      [Token$m.PROPERTY_VALUE, descriptor.defaultValue[0]]
    ]);
  } else {
    return wrapSingle$2([
      Token$m.PROPERTY,
      [Token$m.PROPERTY_NAME, name],
      [Token$m.PROPERTY_VALUE, descriptor.defaultValue]
    ]);
  }
}

function _widthFilter(validator) {
  return function (value) {
    return value[1] != 'inherit' &&
      (validator.isWidth(value[1]) || validator.isUnit(value[1]) || validator.isDynamicUnit(value[1])) &&
      !validator.isStyleKeyword(value[1]) &&
      !validator.isColorFunction(value[1]);
  };
}

function animation(property, configuration, validator) {
  var duration = _wrapDefault(property.name + '-duration', property, configuration);
  var timing = _wrapDefault(property.name + '-timing-function', property, configuration);
  var delay = _wrapDefault(property.name + '-delay', property, configuration);
  var iteration = _wrapDefault(property.name + '-iteration-count', property, configuration);
  var direction = _wrapDefault(property.name + '-direction', property, configuration);
  var fill = _wrapDefault(property.name + '-fill-mode', property, configuration);
  var play = _wrapDefault(property.name + '-play-state', property, configuration);
  var name = _wrapDefault(property.name + '-name', property, configuration);
  var components = [duration, timing, delay, iteration, direction, fill, play, name];
  var values = property.value;
  var value;
  var durationSet = false;
  var timingSet = false;
  var delaySet = false;
  var iterationSet = false;
  var directionSet = false;
  var fillSet = false;
  var playSet = false;
  var nameSet = false;
  var i;
  var l;

  if (property.value.length == 1 && property.value[0][1] == 'inherit') {
    duration.value = timing.value = delay.value = iteration.value = direction.value = fill.value = play.value = name.value = property.value;
    return components;
  }

  if (values.length > 1 && _anyIsInherit(values)) {
    throw new InvalidPropertyError$1('Invalid animation values at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  for (i = 0, l = values.length; i < l; i++) {
    value = values[i];

    if (validator.isTime(value[1]) && !durationSet) {
      duration.value = [value];
      durationSet = true;
    } else if (validator.isTime(value[1]) && !delaySet) {
      delay.value = [value];
      delaySet = true;
    } else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) {
      timing.value = [value];
      timingSet = true;
    } else if ((validator.isAnimationIterationCountKeyword(value[1]) || validator.isPositiveNumber(value[1])) && !iterationSet) {
      iteration.value = [value];
      iterationSet = true;
    } else if (validator.isAnimationDirectionKeyword(value[1]) && !directionSet) {
      direction.value = [value];
      directionSet = true;
    } else if (validator.isAnimationFillModeKeyword(value[1]) && !fillSet) {
      fill.value = [value];
      fillSet = true;
    } else if (validator.isAnimationPlayStateKeyword(value[1]) && !playSet) {
      play.value = [value];
      playSet = true;
    } else if ((validator.isAnimationNameKeyword(value[1]) || validator.isIdentifier(value[1])) && !nameSet) {
      name.value = [value];
      nameSet = true;
    } else {
      throw new InvalidPropertyError$1('Invalid animation value at ' + formatPosition$2(value[2][0]) + '. Ignoring.');
    }
  }

  return components;
}

function background$2(property, configuration, validator) {
  var image = _wrapDefault('background-image', property, configuration);
  var position = _wrapDefault('background-position', property, configuration);
  var size = _wrapDefault('background-size', property, configuration);
  var repeat = _wrapDefault('background-repeat', property, configuration);
  var attachment = _wrapDefault('background-attachment', property, configuration);
  var origin = _wrapDefault('background-origin', property, configuration);
  var clip = _wrapDefault('background-clip', property, configuration);
  var color = _wrapDefault('background-color', property, configuration);
  var components = [image, position, size, repeat, attachment, origin, clip, color];
  var values = property.value;

  var positionSet = false;
  var clipSet = false;
  var originSet = false;
  var repeatSet = false;

  var anyValueSet = false;

  if (property.value.length == 1 && property.value[0][1] == 'inherit') {
    // NOTE: 'inherit' is not a valid value for background-attachment
    color.value = image.value =  repeat.value = position.value = size.value = origin.value = clip.value = property.value;
    return components;
  }

  if (property.value.length == 1 && property.value[0][1] == '0 0') {
    return components;
  }

  for (var i = values.length - 1; i >= 0; i--) {
    var value = values[i];

    if (validator.isBackgroundAttachmentKeyword(value[1])) {
      attachment.value = [value];
      anyValueSet = true;
    } else if (validator.isBackgroundClipKeyword(value[1]) || validator.isBackgroundOriginKeyword(value[1])) {
      if (clipSet) {
        origin.value = [value];
        originSet = true;
      } else {
        clip.value = [value];
        clipSet = true;
      }
      anyValueSet = true;
    } else if (validator.isBackgroundRepeatKeyword(value[1])) {
      if (repeatSet) {
        repeat.value.unshift(value);
      } else {
        repeat.value = [value];
        repeatSet = true;
      }
      anyValueSet = true;
    } else if (validator.isBackgroundPositionKeyword(value[1]) || validator.isBackgroundSizeKeyword(value[1]) || validator.isUnit(value[1]) || validator.isDynamicUnit(value[1])) {
      if (i > 0) {
        var previousValue = values[i - 1];

        if (previousValue[1] == Marker$c.FORWARD_SLASH) {
          size.value = [value];
        } else if (i > 1 && values[i - 2][1] == Marker$c.FORWARD_SLASH) {
          size.value = [previousValue, value];
          i -= 2;
        } else {
          if (!positionSet)
            position.value = [];

          position.value.unshift(value);
          positionSet = true;
        }
      } else {
        if (!positionSet)
          position.value = [];

        position.value.unshift(value);
        positionSet = true;
      }
      anyValueSet = true;
    } else if ((color.value[0][1] == configuration[color.name].defaultValue || color.value[0][1] == 'none') && (validator.isColor(value[1]) || validator.isPrefixed(value[1]))) {
      color.value = [value];
      anyValueSet = true;
    } else if (validator.isUrl(value[1]) || validator.isFunction(value[1])) {
      image.value = [value];
      anyValueSet = true;
    }
  }

  if (clipSet && !originSet)
    origin.value = clip.value.slice(0);

  if (!anyValueSet) {
    throw new InvalidPropertyError$1('Invalid background value at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  return components;
}

function borderRadius$2(property, configuration) {
  var values = property.value;
  var splitAt = -1;

  for (var i = 0, l = values.length; i < l; i++) {
    if (values[i][1] == Marker$c.FORWARD_SLASH) {
      splitAt = i;
      break;
    }
  }

  if (splitAt === 0 || splitAt === values.length - 1) {
    throw new InvalidPropertyError$1('Invalid border-radius value at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  var target = _wrapDefault(property.name, property, configuration);
  target.value = splitAt > -1 ?
    values.slice(0, splitAt) :
    values.slice(0);
  target.components = fourValues$1(target, configuration);

  var remainder = _wrapDefault(property.name, property, configuration);
  remainder.value = splitAt > -1 ?
    values.slice(splitAt + 1) :
    values.slice(0);
  remainder.components = fourValues$1(remainder, configuration);

  for (var j = 0; j < 4; j++) {
    target.components[j].multiplex = true;
    target.components[j].value = target.components[j].value.concat(remainder.components[j].value);
  }

  return target.components;
}

function font$1(property, configuration, validator) {
  var style = _wrapDefault('font-style', property, configuration);
  var variant = _wrapDefault('font-variant', property, configuration);
  var weight = _wrapDefault('font-weight', property, configuration);
  var stretch = _wrapDefault('font-stretch', property, configuration);
  var size = _wrapDefault('font-size', property, configuration);
  var height = _wrapDefault('line-height', property, configuration);
  var family = _wrapDefault('font-family', property, configuration);
  var components = [style, variant, weight, stretch, size, height, family];
  var values = property.value;
  var fuzzyMatched = 4; // style, variant, weight, and stretch
  var index = 0;
  var isStretchSet = false;
  var isStretchValid;
  var isStyleSet = false;
  var isStyleValid;
  var isVariantSet = false;
  var isVariantValid;
  var isWeightSet = false;
  var isWeightValid;
  var isSizeSet = false;
  var appendableFamilyName = false;

  if (!values[index]) {
    throw new InvalidPropertyError$1('Missing font values at ' + formatPosition$2(property.all[property.position][1][2][0]) + '. Ignoring.');
  }

  if (values.length == 1 && values[0][1] == 'inherit') {
    style.value = variant.value = weight.value = stretch.value = size.value = height.value = family.value = values;
    return components;
  }

  if (values.length == 1 && (validator.isFontKeyword(values[0][1]) || validator.isGlobal(values[0][1]) || validator.isPrefixed(values[0][1]))) {
    values[0][1] = Marker$c.INTERNAL + values[0][1];
    style.value = variant.value = weight.value = stretch.value = size.value = height.value = family.value = values;
    return components;
  }

  if (values.length < 2 || !_anyIsFontSize(values, validator) || !_anyIsFontFamily(values, validator)) {
    throw new InvalidPropertyError$1('Invalid font values at ' + formatPosition$2(property.all[property.position][1][2][0]) + '. Ignoring.');
  }

  if (values.length > 1 && _anyIsInherit(values)) {
    throw new InvalidPropertyError$1('Invalid font values at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  // fuzzy match style, variant, weight, and stretch on first elements
  while (index < fuzzyMatched) {
    isStretchValid = validator.isFontStretchKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
    isStyleValid = validator.isFontStyleKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
    isVariantValid = validator.isFontVariantKeyword(values[index][1]) || validator.isGlobal(values[index][1]);
    isWeightValid = validator.isFontWeightKeyword(values[index][1]) || validator.isGlobal(values[index][1]);

    if (isStyleValid && !isStyleSet) {
      style.value = [values[index]];
      isStyleSet = true;
    } else if (isVariantValid && !isVariantSet) {
      variant.value = [values[index]];
      isVariantSet = true;
    } else if (isWeightValid && !isWeightSet) {
      weight.value = [values[index]];
      isWeightSet = true;
    } else if (isStretchValid && !isStretchSet) {
      stretch.value = [values[index]];
      isStretchSet = true;
    } else if (isStyleValid && isStyleSet || isVariantValid && isVariantSet || isWeightValid && isWeightSet || isStretchValid && isStretchSet) {
      throw new InvalidPropertyError$1('Invalid font style / variant / weight / stretch value at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
    } else {
      break;
    }

    index++;
  }

  // now comes font-size ...
  if (validator.isFontSizeKeyword(values[index][1]) || validator.isUnit(values[index][1]) && !validator.isDynamicUnit(values[index][1])) {
    size.value = [values[index]];
    isSizeSet = true;
    index++;
  } else {
    throw new InvalidPropertyError$1('Missing font size at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  if (!values[index]) {
    throw new InvalidPropertyError$1('Missing font family at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  // ... and perhaps line-height
  if (isSizeSet && values[index] && values[index][1] == Marker$c.FORWARD_SLASH && values[index + 1] && (validator.isLineHeightKeyword(values[index + 1][1]) || validator.isUnit(values[index + 1][1]) || validator.isNumber(values[index + 1][1]))) {
    height.value = [values[index + 1]];
    index++;
    index++;
  }

  // ... and whatever comes next is font-family
  family.value = [];

  while (values[index]) {
    if (values[index][1] == Marker$c.COMMA) {
      appendableFamilyName = false;
    } else {
      if (appendableFamilyName) {
        family.value[family.value.length - 1][1] += Marker$c.SPACE + values[index][1];
      } else {
        family.value.push(values[index]);
      }

      appendableFamilyName = true;
    }

    index++;
  }

  if (family.value.length === 0) {
    throw new InvalidPropertyError$1('Missing font family at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  return components;
}

function _anyIsFontSize(values, validator) {
  var value;
  var i, l;

  for (i = 0, l = values.length; i < l; i++) {
    value = values[i];

    if (validator.isFontSizeKeyword(value[1]) || validator.isUnit(value[1]) && !validator.isDynamicUnit(value[1]) || validator.isFunction(value[1])) {
      return true;
    }
  }

  return false;
}

function _anyIsFontFamily(values, validator) {
  var value;
  var i, l;

  for (i = 0, l = values.length; i < l; i++) {
    value = values[i];

    if (validator.isIdentifier(value[1]) || validator.isQuotedText(value[1])) {
      return true;
    }
  }

  return false;
}

function fourValues$1(property, configuration) {
  var componentNames = configuration[property.name].components;
  var components = [];
  var value = property.value;

  if (value.length < 1)
    return [];

  if (value.length < 2)
    value[1] = value[0].slice(0);
  if (value.length < 3)
    value[2] = value[0].slice(0);
  if (value.length < 4)
    value[3] = value[1].slice(0);

  for (var i = componentNames.length - 1; i >= 0; i--) {
    var component = wrapSingle$2([
      Token$m.PROPERTY,
      [Token$m.PROPERTY_NAME, componentNames[i]]
    ]);
    component.value = [value[i]];
    components.unshift(component);
  }

  return components;
}

function multiplex$1(splitWith) {
  return function (property, configuration, validator) {
    var splitsAt = [];
    var values = property.value;
    var i, j, l, m;

    // find split commas
    for (i = 0, l = values.length; i < l; i++) {
      if (values[i][1] == ',')
        splitsAt.push(i);
    }

    if (splitsAt.length === 0)
      return splitWith(property, configuration, validator);

    var splitComponents = [];

    // split over commas, and into components
    for (i = 0, l = splitsAt.length; i <= l; i++) {
      var from = i === 0 ? 0 : splitsAt[i - 1] + 1;
      var to = i < l ? splitsAt[i] : values.length;

      var _property = _wrapDefault(property.name, property, configuration);
      _property.value = values.slice(from, to);

      if (_property.value.length > 0) {
        splitComponents.push(splitWith(_property, configuration, validator));
      }
    }

    var components = splitComponents[0];

    // group component values from each split
    for (i = 0, l = components.length; i < l; i++) {
      components[i].multiplex = true;

      for (j = 1, m = splitComponents.length; j < m; j++) {
        components[i].value.push([Token$m.PROPERTY_VALUE, Marker$c.COMMA]);
        Array.prototype.push.apply(components[i].value, splitComponents[j][i].value);
      }
    }

    return components;
  };
}

function listStyle(property, configuration, validator) {
  var type = _wrapDefault('list-style-type', property, configuration);
  var position = _wrapDefault('list-style-position', property, configuration);
  var image = _wrapDefault('list-style-image', property, configuration);
  var components = [type, position, image];

  if (property.value.length == 1 && property.value[0][1] == 'inherit') {
    type.value = position.value = image.value = [property.value[0]];
    return components;
  }

  var values = property.value.slice(0);
  var total = values.length;
  var index = 0;

  // `image` first...
  for (index = 0, total = values.length; index < total; index++) {
    if (validator.isUrl(values[index][1]) || values[index][1] == '0') {
      image.value = [values[index]];
      values.splice(index, 1);
      break;
    }
  }

  // ... then `position`
  for (index = 0, total = values.length; index < total; index++) {
    if (validator.isListStylePositionKeyword(values[index][1])) {
      position.value = [values[index]];
      values.splice(index, 1);
      break;
    }
  }

  // ... and what's left is a `type`
  if (values.length > 0 && (validator.isListStyleTypeKeyword(values[0][1]) || validator.isIdentifier(values[0][1]))) {
    type.value = [values[0]];
  }

  return components;
}

function transition(property, configuration, validator) {
  var prop = _wrapDefault(property.name + '-property', property, configuration);
  var duration = _wrapDefault(property.name + '-duration', property, configuration);
  var timing = _wrapDefault(property.name + '-timing-function', property, configuration);
  var delay = _wrapDefault(property.name + '-delay', property, configuration);
  var components = [prop, duration, timing, delay];
  var values = property.value;
  var value;
  var durationSet = false;
  var delaySet = false;
  var propSet = false;
  var timingSet = false;
  var i;
  var l;

  if (property.value.length == 1 && property.value[0][1] == 'inherit') {
    prop.value = duration.value = timing.value = delay.value = property.value;
    return components;
  }

  if (values.length > 1 && _anyIsInherit(values)) {
    throw new InvalidPropertyError$1('Invalid animation values at ' + formatPosition$2(values[0][2][0]) + '. Ignoring.');
  }

  for (i = 0, l = values.length; i < l; i++) {
    value = values[i];

    if (validator.isTime(value[1]) && !durationSet) {
      duration.value = [value];
      durationSet = true;
    } else if (validator.isTime(value[1]) && !delaySet) {
      delay.value = [value];
      delaySet = true;
    } else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) {
      timing.value = [value];
      timingSet = true;
    } else if (validator.isIdentifier(value[1]) && !propSet) {
      prop.value = [value];
      propSet = true;
    } else {
      throw new InvalidPropertyError$1('Invalid animation value at ' + formatPosition$2(value[2][0]) + '. Ignoring.');
    }
  }

  return components;
}

function widthStyleColor(property, configuration, validator) {
  var descriptor = configuration[property.name];
  var components = [
    _wrapDefault(descriptor.components[0], property, configuration),
    _wrapDefault(descriptor.components[1], property, configuration),
    _wrapDefault(descriptor.components[2], property, configuration)
  ];
  var color, style, width;

  for (var i = 0; i < 3; i++) {
    var component = components[i];

    if (component.name.indexOf('color') > 0)
      color = component;
    else if (component.name.indexOf('style') > 0)
      style = component;
    else
      width = component;
  }

  if ((property.value.length == 1 && property.value[0][1] == 'inherit') ||
      (property.value.length == 3 && property.value[0][1] == 'inherit' && property.value[1][1] == 'inherit' && property.value[2][1] == 'inherit')) {
    color.value = style.value = width.value = [property.value[0]];
    return components;
  }

  var values = property.value.slice(0);
  var match, matches;

  // NOTE: usually users don't follow the required order of parts in this shorthand,
  // so we'll try to parse it caring as little about order as possible

  if (values.length > 0) {
    matches = values.filter(_widthFilter(validator));
    match = matches.length > 1 && (matches[0][1] == 'none' || matches[0][1] == 'auto') ? matches[1] : matches[0];
    if (match) {
      width.value = [match];
      values.splice(values.indexOf(match), 1);
    }
  }

  if (values.length > 0) {
    match = values.filter(_styleFilter(validator))[0];
    if (match) {
      style.value = [match];
      values.splice(values.indexOf(match), 1);
    }
  }

  if (values.length > 0) {
    match = values.filter(_colorFilter(validator))[0];
    if (match) {
      color.value = [match];
      values.splice(values.indexOf(match), 1);
    }
  }

  return components;
}

var breakUp$1 = {
  animation: animation,
  background: background$2,
  border: widthStyleColor,
  borderRadius: borderRadius$2,
  font: font$1,
  fourValues: fourValues$1,
  listStyle: listStyle,
  multiplex: multiplex$1,
  outline: widthStyleColor,
  transition: transition
};

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(',');
}

var vendorPrefixes = {
  unique: unique,
  same: same
};

var sameVendorPrefixes = vendorPrefixes.same;

function understandable$1(validator, value1, value2, _position, isPaired) {
  if (!sameVendorPrefixes(value1, value2)) {
    return false;
  }

  if (isPaired && validator.isVariable(value1) !== validator.isVariable(value2)) {
    return false;
  }

  return true;
}

var understandable_1 = understandable$1;

var understandable = understandable_1;

function animationIterationCount(validator, value1, value2) {
  if (!understandable(validator, value1, value2, 0, true) && !(validator.isAnimationIterationCountKeyword(value2) || validator.isPositiveNumber(value2))) {
    return false;
  } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
    return true;
  }

  return validator.isAnimationIterationCountKeyword(value2) || validator.isPositiveNumber(valu