|
|
- 'use strict';
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = normalizeAnimation;
-
- 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 }; }
-
- // animation: [ none | <keyframes-name> ] || <time> || <single-timing-function> || <time> || <single-animation-iteration-count> || <single-animation-direction> || <single-animation-fill-mode> || <single-animation-play-state>
-
- const isTimingFunction = (value, type) => {
- const functions = ['steps', 'cubic-bezier', 'frames'];
- const keywords = ['ease', 'ease-in', 'ease-in-out', 'ease-out', 'linear', 'step-end', 'step-start'];
-
- return type === 'function' && functions.includes(value) || keywords.includes(value);
- };
-
- const isDirection = value => {
- return ['normal', 'reverse', 'alternate', 'alternate-reverse'].includes(value);
- };
-
- const isFillMode = value => {
- return ['none', 'forwards', 'backwards', 'both'].includes(value);
- };
-
- const isPlayState = value => {
- return ['running', 'paused'].includes(value);
- };
-
- const isTime = value => {
- const quantity = (0, _postcssValueParser.unit)(value);
-
- return quantity && ['ms', 's'].includes(quantity.unit);
- };
-
- const isIterationCount = value => {
- const quantity = (0, _postcssValueParser.unit)(value);
-
- return value === 'infinite' || quantity && !quantity.unit;
- };
-
- function normalizeAnimation(parsed) {
- const args = (0, _cssnanoUtilGetArguments2.default)(parsed);
-
- const values = args.reduce((list, arg) => {
- const state = {
- name: [],
- duration: [],
- timingFunction: [],
- delay: [],
- iterationCount: [],
- direction: [],
- fillMode: [],
- playState: []
- };
- const stateConditions = [{ property: 'duration', delegate: isTime }, { property: 'timingFunction', delegate: isTimingFunction }, { property: 'delay', delegate: isTime }, { property: 'iterationCount', delegate: isIterationCount }, { property: 'direction', delegate: isDirection }, { property: 'fillMode', delegate: isFillMode }, { property: 'playState', delegate: isPlayState }];
-
- arg.forEach(node => {
- let { type, value } = node;
-
- if (type === 'space') {
- return;
- }
-
- value = value.toLowerCase();
-
- const hasMatch = stateConditions.some(({ property, delegate }) => {
- if (delegate(value, type) && !state[property].length) {
- state[property] = [node, (0, _addSpace2.default)()];
- return true;
- }
- });
-
- if (!hasMatch) {
- state.name = [...state.name, node, (0, _addSpace2.default)()];
- }
- });
- return [...list, [...state.name, ...state.duration, ...state.timingFunction, ...state.delay, ...state.iterationCount, ...state.direction, ...state.fillMode, ...state.playState]];
- }, []);
-
- return (0, _getValue2.default)(values);
- };
- module.exports = exports['default'];
|