xxm-test-js/dist/lib/cssEscape.js

xxm-js通用js工具(utils)库

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.cssEscape = cssEscape;
/**
 * 将字符串进行 CSS 转义
 * @param {string | null | undefined} str - 要转义的字符串，可为 null 或 undefined
 * @returns {string} 转义后的字符串
 * @example
 * ```js
 * cssEscape('div::after') // 返回 'div\:\:after'
 * cssEscape('Hello # World') // 返回 'Hello \000023 World'
 * ```
 */
function cssEscape(str) {
    if (str === null || str === undefined) {
        return '';
    }
    return str.replace(/[\s'"(){};:#&,.<>[\]/\\^$*+?|=~`!-]/g, (match) => {
        return '\\' + match.charCodeAt(0).toString(16);
    });
}
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