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WeakMap缓存深克隆
const isObject = (target) => (typeof target === "object" || typeof target === "function") && target !== null; function deepClone(target, map = new WeakMap()) { if (map.get(target)) { return target; } //WeakMap缓存深克隆
const isObject = (target) => (typeof target === "object" || typeof target === "function") && target !== null; function deepClone(target, map = new WeakMap()) { if (map.get(target)) { return target; } //