From ef1611c44e7382f5a58fbc154de513c15f1a1e59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E4=BD=95=E5=90=8C=E5=AD=A6?=
 <HeDianGeng0601@outlook.com>
Date: Mon, 11 Mar 2024 16:30:19 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=96=B0=E5=A2=9Eclone=E3=80=81equal?=
 =?UTF-8?q?=E5=B7=A5=E5=85=B7=E6=96=B9=E6=B3=95?=
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---
 packages/nutui/components/_utils/common.ts | 79 +++++++++++++++++++++-
 1 file changed, 78 insertions(+), 1 deletion(-)

diff --git a/packages/nutui/components/_utils/common.ts b/packages/nutui/components/_utils/common.ts
index 0840cb18..7ae5a7c1 100644
--- a/packages/nutui/components/_utils/common.ts
+++ b/packages/nutui/components/_utils/common.ts
@@ -1,4 +1,4 @@
-import { isDef, isObject } from './is'
+import { isArray, isDef, isObject } from './is'
 
 // 变量类型判断
 export function TypeOfFun(value: any) {
@@ -197,3 +197,80 @@ export function noop() { }
 export function getRandomId() {
   return Math.random().toString(36).slice(-8)
 }
+
+export function isLooseEqual(a: any, b: any): boolean {
+  if (a === b)
+    return true
+
+  const isObjectA = isObject(a)
+  const isObjectB = isObject(b)
+
+  if (isObjectA && isObjectB)
+    return JSON.stringify(a) === JSON.stringify(b)
+  else if (!isObjectA && !isObjectB)
+    return String(a) === String(b)
+  else
+    return false
+}
+
+export function isEqualArray(a: any, b: any): boolean {
+  if (a === b)
+    return true
+
+  if (!isArray(a) || !isArray(b))
+    return false
+
+  if (a.length !== b.length)
+    return false
+
+  for (let i = 0; i < a.length; i++) {
+    if (!isLooseEqual(a[i], b[i]))
+      return false
+  }
+
+  return true
+}
+
+export function isEqualValue(a: any, b: any): boolean {
+  if (a === b)
+    return true
+
+  if (isArray(a) && isArray(b))
+    return isEqualArray(a, b)
+
+  return isLooseEqual(a, b)
+}
+
+export function cloneDeep<T = any>(obj: T, cache = new WeakMap()): T {
+  if (obj === null || typeof obj !== 'object')
+    return obj
+  if (cache.has(obj))
+    return cache.get(obj)
+  let clone
+  if (obj instanceof Date) {
+    clone = new Date(obj.getTime())
+  }
+  else if (obj instanceof RegExp) {
+    clone = new RegExp(obj)
+  }
+  else if (obj instanceof Map) {
+    clone = new Map(Array.from(obj, ([key, value]) => [key, cloneDeep(value, cache)]))
+  }
+  else if (obj instanceof Set) {
+    clone = new Set(Array.from(obj, value => cloneDeep(value, cache)))
+  }
+  else if (Array.isArray(obj)) {
+    clone = obj.map(value => cloneDeep(value, cache))
+  }
+  else if (Object.prototype.toString.call(obj) === '[object Object]') {
+    clone = Object.create(Object.getPrototypeOf(obj))
+    cache.set(obj, clone)
+    for (const [key, value] of Object.entries(obj))
+      clone[key] = cloneDeep(value, cache)
+  }
+  else {
+    clone = Object.assign({}, obj)
+  }
+  cache.set(obj, clone)
+  return clone
+}