deep(target: any, map = new WeakMap()): any {
const isObject =
target !== null &&
(typeof target === "object" || typeof target === "function");
// 过滤不是对象的target
if (!isObject) {
return target;
} else {
let cloneTarget = new target.constructor();
if (map.get(target)) {
return map.get(target);
}
map.set(target, cloneTarget);
// Map数据
if (Object.prototype.toString.call(target) === "[object Map]") {
target.forEach((value: any, key: any) => {
cloneTarget.set(key, this.deep(value, map));
});
return cloneTarget;
}
// Set数据
else if (Object.prototype.toString.call(target) === "[object Set]") {
target.forEach((value: any) => {
cloneTarget.add(this.deep(value, map));
});
return cloneTarget;
}
// 函数
else if (Object.prototype.toString.call(target) === "[object Function]") {
console.log(target.toString);
return null;
}
// 对象、数组
else {
for (let key in target) {
cloneTarget[key] = this.deep(target[key], map);
}
return cloneTarget;
}
}
}
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