text: 'use strict';
  
  Object.defineProperty(exports, "__esModule", {
      value: true
  });
  exports.default = normalizeTransition;
  
  var _postcssValueParser = require('postcss-value-parser');
  
  var _cssnanoUtilGetArguments = require('cssnano-util-get-arguments');
  
  var _cssnanoUtilGetArguments2 = _interopRequireDefault(_cssnanoUtilGetArguments);
  
  var _addSpace = require('../lib/addSpace');
  
  var _addSpace2 = _interopRequireDefault(_addSpace);
  
  var _getValue = require('../lib/getValue');
  
  var _getValue2 = _interopRequireDefault(_getValue);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  // transition: [ none | <single-transition-property> ] || <time> || <single-transition-timing-function> || <time>
  
  const timingFunctions = ['ease', 'linear', 'ease-in', 'ease-out', 'ease-in-out', 'step-start', 'step-end'];
  
  function normalizeTransition(decl, parsed) {
      let args = (0, _cssnanoUtilGetArguments2.default)(parsed);
  
      let values = args.reduce((list, arg) => {
          let state = {
              timingFunction: [],
              property: [],
              time1: [],
              time2: []
          };
          arg.forEach(node => {
              const { type, value } = node;
              if (type === 'space') {
                  return;
              }
              if (type === 'function' && ~['steps', 'cubic-bezier'].indexOf(value.toLowerCase())) {
                  state.timingFunction = [...state.timingFunction, node, (0, _addSpace2.default)()];
              } else if ((0, _postcssValueParser.unit)(value)) {
                  if (!state.time1.length) {
                      state.time1 = [...state.time1, node, (0, _addSpace2.default)()];
                  } else {
                      state.time2 = [...state.time2, node, (0, _addSpace2.default)()];
                  }
              } else if (~timingFunctions.indexOf(value.toLowerCase())) {
                  state.timingFunction = [...state.timingFunction, node, (0, _addSpace2.default)()];
              } else {
                  state.property = [...state.property, node, (0, _addSpace2.default)()];
              }
          });
          return [...list, [...state.property, ...state.time1, ...state.timingFunction, ...state.time2]];
      }, []);
  
      decl.value = (0, _getValue2.default)(values);
  }
  module.exports = exports['default'];