| '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']; |