优化

src/core/routing/navigationRecovery.test.ts

@@ -1,8 +1,10 @@
 import { describe, expect, it, vi } from 'vitest'
 import {
-  clearNavigationRecoveryAttempt,
+  createNavigationRecoveryHandler,
+  installAssetRecoveryListeners,
   isStaleRouteAssetError,
   recoverNavigationError,
+  reloadNavigationTarget,
   type NavigationRecoveryDependencies,
 } from './navigationRecovery'
 
@@ -29,11 +31,30 @@ function dependencies(overrides: Partial<NavigationRecoveryDependencies> = {}) {
 }
 
 describe('navigationRecovery', () => {
+  it.each(['/orders?page=3#details', '/orders?page=3#goods'])(
+    'forces a full reload for an async component failure on the current document: %s', (target) => {
+      const location = { href: 'https://admin.example.com/orders?page=3#details', reload: vi.fn(), assign: vi.fn() }
+      const history = { state: { position: 2 }, replaceState: vi.fn() }
+      reloadNavigationTarget({ location, history } as unknown as Pick<Window, 'location' | 'history'>, target)
+      expect(location.reload).toHaveBeenCalledOnce()
+      expect(location.assign).not.toHaveBeenCalled()
+      expect(history.replaceState).toHaveBeenCalledWith(history.state, '', `https://admin.example.com${target}`)
+    },
+  )
+
+  it('loads the intended new route through a document navigation', () => {
+    const location = { href: 'https://admin.example.com/dashboard', reload: vi.fn(), assign: vi.fn() }
+    reloadNavigationTarget({ location } as unknown as Pick<Window, 'location' | 'history'>, '/orders?page=3#details')
+    expect(location.assign).toHaveBeenCalledWith('https://admin.example.com/orders?page=3#details')
+    expect(location.reload).not.toHaveBeenCalled()
+  })
+
   it.each([
     'Failed to fetch dynamically imported module: /assets/page.js',
     'Importing a module script failed',
     'ChunkLoadError: Loading chunk 42 failed',
     'Loading CSS chunk page failed',
+    'Unable to preload CSS for /assets/page-123.css',
   ])('recognizes stale deployed route assets: %s', (message) => {
     expect(isStaleRouteAssetError(new TypeError(message))).toBe(true)
   })
@@ -58,7 +79,7 @@ describe('navigationRecovery', () => {
     expect(deps.navigate).not.toHaveBeenCalled()
   })
 
-  it('prevents reload loops and clears the recovery marker after navigation succeeds', async () => {
+  it('keeps the cooldown across page reloads and redirects until 30 seconds have elapsed', async () => {
     const storage = memoryStorage()
     const deps = dependencies({ storage })
     const error = new Error('ChunkLoadError: Loading chunk page failed')
@@ -66,9 +87,12 @@ describe('navigationRecovery', () => {
     await recoverNavigationError(error, '/system/users', deps)
     expect(deps.navigate).toHaveBeenCalledOnce()
     expect(deps.showError).toHaveBeenCalledWith('页面资源加载失败，请稍后重试或手动刷新')
-    clearNavigationRecoveryAttempt(storage)
-    await recoverNavigationError(error, '/system/users', deps)
-    expect(deps.navigate).toHaveBeenCalledTimes(2)
+    const reloaded = dependencies({ storage })
+    await recoverNavigationError(error, '/system/redirect', reloaded)
+    expect(reloaded.navigate).not.toHaveBeenCalled()
+    reloaded.now = () => 31_000
+    await recoverNavigationError(error, '/system/users', reloaded)
+    expect(reloaded.navigate).toHaveBeenCalledOnce()
   })
 
   it('reports ordinary router failures without reloading the application', async () => {
@@ -77,4 +101,83 @@ describe('navigationRecovery', () => {
     expect(deps.navigate).not.toHaveBeenCalled()
     expect(deps.showError).toHaveBeenCalledWith('页面切换失败，请重试')
   })
+
+  it.each(['getItem', 'setItem'] as const)('does not refresh or discard work if storage %s fails', async (method) => {
+    const storage = memoryStorage()
+    storage[method] = () => { throw new Error('Storage unavailable') }
+    const deps = dependencies({ storage })
+    await expect(recoverNavigationError('Importing a module script failed', '/orders', deps)).resolves.toBe(false)
+    expect(deps.navigate).not.toHaveBeenCalled()
+    expect(deps.discardUnsavedWork).not.toHaveBeenCalled()
+    expect(deps.showError).toHaveBeenCalledWith('无法记录自动刷新次数，请手动刷新页面')
+  })
+
+  it('preserves the target query and hash after the user confirms discarding work', async () => {
+    const deps = dependencies({ hasUnsavedWork: () => true })
+    const target = '/orders?status=NEW&page=3#details'
+    await recoverNavigationError('Unable to preload CSS for /assets/page.css', target, deps)
+    expect(deps.confirmDiscard).toHaveBeenCalledOnce()
+    expect(deps.navigate).toHaveBeenCalledWith(target)
+  })
+
+  it('coalesces errors while confirmation is open and permits retry after cancellation', async () => {
+    let finishConfirmation!: (value: boolean) => void
+    const deps = dependencies({
+      hasUnsavedWork: () => true,
+      confirmDiscard: vi.fn(() => new Promise<boolean>((resolve) => { finishConfirmation = resolve })),
+    })
+    const recover = createNavigationRecoveryHandler(deps)
+    const cachedError = new Error('Importing a module script failed')
+    const first = recover(cachedError, '/orders')
+    const duplicate = recover(new Error('Unable to preload CSS for /assets/page.css'), '/orders')
+    await Promise.resolve()
+    expect(deps.confirmDiscard).toHaveBeenCalledOnce()
+    finishConfirmation(false)
+    await Promise.all([first, duplicate])
+    expect(deps.navigate).not.toHaveBeenCalled()
+    deps.confirmDiscard = vi.fn(async () => true)
+    await recover(cachedError, '/orders')
+    expect(deps.navigate).toHaveBeenCalledOnce()
+  })
+
+  it('deduplicates the same error reported by Vite and the router', async () => {
+    const deps = dependencies()
+    const recover = createNavigationRecoveryHandler(deps)
+    const error = new Error('Importing a module script failed')
+    await recover(error, '/orders')
+    await recover(error, '/orders')
+    expect(deps.navigate).toHaveBeenCalledOnce()
+    expect(deps.showError).not.toHaveBeenCalled()
+  })
+
+  it('recovers Vite JS/CSS and uncaught import failures but leaves ordinary application errors alone', async () => {
+    const deps = dependencies()
+    const recover = createNavigationRecoveryHandler(deps)
+    const removeListeners = installAssetRecoveryListeners(window, () => '/orders?page=2', recover)
+    try {
+      const ordinary = Object.assign(new Event('vite:preloadError', { cancelable: true }), {
+        payload: new Error('Cannot read properties of undefined'),
+      })
+      window.dispatchEvent(ordinary)
+      const apiError = Object.assign(new Event('unhandledrejection', { cancelable: true }), {
+        reason: new Error('Request failed with status code 500'),
+      })
+      window.dispatchEvent(apiError)
+      await Promise.resolve()
+      expect(deps.navigate).not.toHaveBeenCalled()
+      expect(apiError.defaultPrevented).toBe(false)
+
+      const error = new Error('Unable to preload CSS for /assets/page.css')
+      const preload = Object.assign(new Event('vite:preloadError', { cancelable: true }), { payload: error })
+      window.dispatchEvent(preload)
+      expect(preload.defaultPrevented).toBe(false)
+      const rejection = Object.assign(new Event('unhandledrejection', { cancelable: true }), { reason: error })
+      window.dispatchEvent(rejection)
+      expect(rejection.defaultPrevented).toBe(true)
+      await recover(error, '/orders?page=2')
+      expect(deps.navigate).toHaveBeenCalledExactlyOnceWith('/orders?page=2')
+    } finally {
+      removeListeners()
+    }
+  })
 })