doly-icons/es/icon/utils.js

React icon component based on Bootstrap Icons

import { isBrowser } from 'ut2';
import { injectStyle } from 'util-helpers';
// 插入样式节点缓存
var styleNodeCache = {};
// 插入样式
export var injectCss = function (css, key, options) {
    var _a;
    if (options === void 0) { options = {}; }
    if (!isBrowser) {
        return null;
    }
    if (styleNodeCache[key]) {
        if (((_a = options.csp) === null || _a === void 0 ? void 0 : _a.nonce) && styleNodeCache[key].nonce !== options.csp.nonce) {
            styleNodeCache[key].nonce = options.csp.nonce;
        }
        if (styleNodeCache[key].innerHTML !== css) {
            styleNodeCache[key].innerHTML = css;
        }
        return styleNodeCache[key];
    }
    styleNodeCache[key] = injectStyle(css, {
        onBefore: function (style) {
            var _a;
            if ((_a = options.csp) === null || _a === void 0 ? void 0 : _a.nonce) {
                style.nonce = options.csp.nonce;
            }
        },
    });
    return styleNodeCache[key];
};