82 lines
2.7 KiB
JavaScript
82 lines
2.7 KiB
JavaScript
import hash from '@emotion/hash';
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import { removeCSS, updateCSS } from '../../vc-util/Dom/dynamicCSS';
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import canUseDom from '../canUseDom';
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import { Theme } from './theme';
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// Create a cache here to avoid always loop generate
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const flattenTokenCache = new WeakMap();
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export function flattenToken(token) {
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let str = flattenTokenCache.get(token) || '';
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if (!str) {
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Object.keys(token).forEach(key => {
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const value = token[key];
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str += key;
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if (value instanceof Theme) {
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str += value.id;
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} else if (value && typeof value === 'object') {
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str += flattenToken(value);
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} else {
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str += value;
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}
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});
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// Put in cache
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flattenTokenCache.set(token, str);
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}
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return str;
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}
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/**
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* Convert derivative token to key string
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*/
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export function token2key(token, salt) {
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return hash(`${salt}_${flattenToken(token)}`);
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}
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const randomSelectorKey = `random-${Date.now()}-${Math.random()}`.replace(/\./g, '');
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// Magic `content` for detect selector support
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const checkContent = '_bAmBoO_';
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function supportSelector(styleStr, handleElement, supportCheck) {
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var _a, _b;
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if (canUseDom()) {
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updateCSS(styleStr, randomSelectorKey);
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const ele = document.createElement('div');
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ele.style.position = 'fixed';
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ele.style.left = '0';
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ele.style.top = '0';
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handleElement === null || handleElement === void 0 ? void 0 : handleElement(ele);
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document.body.appendChild(ele);
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if (process.env.NODE_ENV !== 'production') {
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ele.innerHTML = 'Test';
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ele.style.zIndex = '9999999';
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}
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const support = supportCheck ? supportCheck(ele) : (_a = getComputedStyle(ele).content) === null || _a === void 0 ? void 0 : _a.includes(checkContent);
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(_b = ele.parentNode) === null || _b === void 0 ? void 0 : _b.removeChild(ele);
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removeCSS(randomSelectorKey);
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return support;
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}
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return false;
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}
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let canLayer = undefined;
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export function supportLayer() {
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if (canLayer === undefined) {
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canLayer = supportSelector(`@layer ${randomSelectorKey} { .${randomSelectorKey} { content: "${checkContent}"!important; } }`, ele => {
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ele.className = randomSelectorKey;
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});
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}
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return canLayer;
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}
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let canWhere = undefined;
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export function supportWhere() {
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if (canWhere === undefined) {
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canWhere = supportSelector(`:where(.${randomSelectorKey}) { content: "${checkContent}"!important; }`, ele => {
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ele.className = randomSelectorKey;
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});
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}
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return canWhere;
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}
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let canLogic = undefined;
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export function supportLogicProps() {
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if (canLogic === undefined) {
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canLogic = supportSelector(`.${randomSelectorKey} { inset-block: 93px !important; }`, ele => {
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ele.className = randomSelectorKey;
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}, ele => getComputedStyle(ele).bottom === '93px');
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}
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return canLogic;
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} |