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fix: `get.copy`.

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Rintim 2024-01-09 23:16:41 +08:00
parent 111998f813
commit 98fc7e4aa3
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1 changed files with 4556 additions and 4548 deletions
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32
noname/get/index.js
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@ -799,10 +799,11 @@ export class Get extends Uninstantable {
*
* @template T
* @param {T} obj - 要复制的对象，若不是对象则直接返回原值
* @param {boolean} [copyKeyDeep = false] - 是否深复制`Map`的`key`
* @param {WeakMap<object, unknown>} [map] - 拷贝用的临时存储，用于处理循环引用（请勿自行赋值）
* @returns {T} - 深拷贝后的对象，若传入值不是对象则为传入值
*/
static copy(obj, map = new WeakMap()) {
static copy(obj, copyKeyDeep = false, map = new WeakMap()) {
// 参考[这里](https://juejin.cn/post/7315612852890026021)实现深拷贝
// 不再判断是否能structuredClone是因为structuredClone会把Symbol给毙了
const getType = (obj) => Object.prototype.toString.call(obj);
@ -815,29 +816,36 @@ export class Get extends Uninstantable {
"[object Arguments]": true,
};
if (typeof obj !== "object" || obj === null)
if (typeof obj !== "object" || obj === null || !canTranverse[getType(obj)])
return obj;
// @ts-ignore
if (map.has(obj)) return map.get(obj);
const constructor = obj.constructor;
let target;
if (!canTranverse[getType(obj)]) {
target = obj;
return target;
}
// @ts-ignore
else target = constructor ? new constructor(target) : Object.create(null);
const target =
constructor
? (
// 这三类数据处理单独处理
// （实际上需要处理的只有Map和Set）
// 除此之外的就只能祝愿有拷贝构造函数了
(Array.isArray(obj) || obj instanceof Map || obj instanceof Set)
// @ts-ignore
? new constructor()
// @ts-ignore
: new constructor(obj)
)
: Object.create(null);
map.set(obj, target);
if (obj instanceof Map) {
obj.forEach((value, key) => {
target.set(get.copy(key, map), get.copy(value, map));
target.set(copyKeyDeep ? get.copy(key, copyKeyDeep, map) : key, get.copy(value, copyKeyDeep, map));
});
} else if (obj instanceof Set) {
obj.forEach((value) => {
target.add(get.copy(value, map));
target.add(get.copy(value, copyKeyDeep, map));
});
}
@ -848,7 +856,7 @@ export class Get extends Uninstantable {
if (obj.hasOwnProperty(key)) {
const result = { enumerable, configurable };
if (descriptor.hasOwnProperty('value')) {
result.value = get.copy(descriptor.value, map);
result.value = get.copy(descriptor.value, copyKeyDeep, map);
result.writable = descriptor.writable;
} else {
const { get, set } = descriptor;
@ -862,7 +870,7 @@ export class Get extends Uninstantable {
const symbols = Object.getOwnPropertySymbols(obj);
symbols.forEach((symbol) => {
target[symbol] = get.copy(obj[symbol], map);
target[symbol] = get.copy(obj[symbol], copyKeyDeep, map);
});
return target;