优化

src/shared/utils/uiLayoutPreference.test.ts

@@ -0,0 +1,33 @@
+import { beforeEach, describe, expect, it } from 'vitest'
+import {
+  preferenceStorageKey,
+  readLayoutPreference,
+  reconcileOrder,
+  removeLayoutPreference,
+  writeLayoutPreference,
+} from './uiLayoutPreference'
+
+describe('UI layout preferences', () => {
+  beforeEach(() => localStorage.clear())
+
+  it('reconciles stored order with the current stable keys', () => {
+    expect(reconcileOrder(['actions', 'name', 'status', 'createdAt'], ['status', 'removed', 'name', 'status']))
+      .toEqual(['status', 'name', 'actions', 'createdAt'])
+  })
+
+  it('falls back safely when cached JSON is invalid', () => {
+    localStorage.setItem(preferenceStorageKey('table', 'user-1', 'customers'), '{broken')
+    expect(readLayoutPreference('table', 'user-1', 'customers', ['actions', 'name'], ['name']))
+      .toEqual({ version: 1, order: ['actions', 'name'], hidden: ['name'] })
+  })
+
+  it('keeps preferences isolated by user and removes them on reset', () => {
+    writeLayoutPreference('query', 'user-1', 'orders', { version: 1, order: ['status', 'keyword'], hidden: [] })
+    expect(readLayoutPreference('query', 'user-1', 'orders', ['keyword', 'status']).order).toEqual(['status', 'keyword'])
+    expect(readLayoutPreference('query', 'user-2', 'orders', ['keyword', 'status']).order).toEqual(['keyword', 'status'])
+
+    removeLayoutPreference('query', 'user-1', 'orders')
+    expect(readLayoutPreference('query', 'user-1', 'orders', ['keyword', 'status']).order).toEqual(['keyword', 'status'])
+  })
+})
+