优化

client/shared/utils/__tests__/array-helper.spec.ts

@@ -0,0 +1,14 @@
+import { joinArray } from '../array-helper';
+
+describe('array-helper', () => {
+  test('joinArray', () => {
+    expect(joinArray([1, 2, 3], '5')).toMatchObject([1, '5', 2, '5', 3]);
+    expect(joinArray([{ a: 1 }, { a: 2 }, { a: 3 }], '5')).toMatchObject([
+      { a: 1 },
+      '5',
+      { a: 2 },
+      '5',
+      { a: 3 },
+    ]);
+  });
+});