feat: 新增 mergeObjectArray 方法

README.md

@@ -47,6 +47,7 @@ import { debounce } from '@xuanmo/utils'
 |throwError|统一报错信息处理|✔|
 |debugWarn|警告信息统一处理|✔|
 |deleteArrayItems|指定删除数组的某些元素|✔|
+|mergeObjectArray|合并两个数组|✔|
 |pickLastItem|选择数组的最后一项元素|✔|
 |treeToMap|树形数据转 map|✔|
 |firstLetterLowercase|首字母小写|✔|

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xuanmo/utils",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "author": {
     "name": "xuanmo",
     "email": "[email protected]"

src/array.ts

@@ -32,4 +32,26 @@ export function pickLastItem<T extends unknown[] = []>(source: T): T[number] {
   return source[source.length - 1]
 }
 
+/**
+ * 合并两个数组，只会合并一级对象
+ * @param target 目标数组
+ * @param source 源数组
+ * @param uniqueKey 唯一标识
+ */
+export function mergeObjectArray<T extends Record<string, any>>(target: T[], source: T[], uniqueKey: keyof T): T[] {
+  const map = new Map<string, T>()
+  source.forEach((item: T) => {
+    map.set(item[uniqueKey], item)
+  })
+  target.forEach((item: T) => {
+    const sourceItem = map.get(item[uniqueKey])
+    if (sourceItem) {
+      map.set(item[uniqueKey], { ...sourceItem, ...item })
+    } else {
+      map.set(item[uniqueKey], item)
+    }
+  })
+  return Array.from(map.values())
+}
+
 export { deleteArrayItems }

test/array.test.js

@@ -1,6 +1,14 @@
-const { deleteArrayItems } = require('../dist/index.cjs')
+const { deleteArrayItems, mergeObjectArray } = require('../dist/index.cjs')
+
 test('deleteArrayItems', () => {
   expect(deleteArrayItems([1], [1, 2, 3])).toStrictEqual([2, 3])
   expect(deleteArrayItems(['22'], ['22', '33'])).toStrictEqual(['33'])
   expect(deleteArrayItems(['22'], [{ id: '22' }, { id: '33' }], 'id')).toStrictEqual([{ id: '33' }])
 })
+
+test('mergeObjectArray', () => {
+  const source = [{ id: 1 }, { id: 2 }, { id: 3 }]
+  const target = [{ id: 1, name: '1' }]
+  expect(mergeObjectArray(source, target, 'id')).toStrictEqual([{ id: 1, name: '1' }, { id: 2 }, { id: 3 }]
+  )
+})