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- '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(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]];
- }, []);
-
- return (0, _getValue2.default)(values);
- }
- module.exports = exports['default'];
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