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

xxm-js通用js工具(utils)库

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createExistenceChecker = createExistenceChecker;
function createExistenceChecker(str, expectsLowerCase = false) {
    const map = Object.create(null);
    const list = str.split(',').map(item => item.trim()); // 移除前后空白
    for (const item of list) {
        if (item) { // 确保不会添加空字符串作为键
            map[expectsLowerCase ? item.toLowerCase() : item] = true;
        }
    }
    return expectsLowerCase
        ? (val) => val !== undefined && val !== null ? !!map[val.toLowerCase()] : false
        : (val) => val !== undefined && val !== null ? !!map[val] : false;
}
//# sourceMappingURL=createExistenceChecker.js.map