feat: deepClone

Author: Allen-1998

src/utils/clone.ts

@@ -0,0 +1,14 @@
+// 深拷贝
+export function deepClone<T>(source: T): T {
+  return Array.isArray(source)
+    ? source.map((item) => deepClone(item))
+    : source instanceof Date
+    ? new Date(source.getTime())
+    : source && typeof source === 'object'
+    ? Object.getOwnPropertyNames(source).reduce((o, prop) => {
+        Object.defineProperty(o, prop, Object.getOwnPropertyDescriptor(source, prop)!)
+        o[prop] = deepClone((source as { [key: string]: any })[prop])
+        return o
+      }, Object.create(Object.getPrototypeOf(source)))
+    : (source as T)
+}

src/utils/shared.ts

@@ -2,10 +2,6 @@ export function lastItem<T>(arr: T[]) {
   return arr[arr.length - 1]
 }
 
-export function clone<T>(json: T): T {
-  return JSON.parse(JSON.stringify(json))
-}
-
 export function isValidKey(
   object: object,
   key: string | number | symbol