fix: replace vite preload error reload with error logging (#8261)

## Summary
The reload approach didn't fully work because CSS and other preload
errors emit different error types. Log errors for Sentry tracking
instead, to be solved on the backend by serving chunks from past
deployments.

fix https://github.com/Comfy-Org/ComfyUI_frontend/issues/8153

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8261-fix-replace-vite-preload-error-reload-with-error-logging-2f16d73d365081e3b309f5470412506a)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Alexander Brown <drjkl@comfy.org>

src/App.vue

@@ -9,6 +9,7 @@
 </template>
 
 <script setup lang="ts">
+import { captureException } from '@sentry/vue'
 import { useEventListener } from '@vueuse/core'
 import BlockUI from 'primevue/blockui'
 import ProgressSpinner from 'primevue/progressspinner'
@@ -16,10 +17,6 @@ import { computed, onMounted } from 'vue'
 
 import GlobalDialog from '@/components/dialog/GlobalDialog.vue'
 import config from '@/config'
-import { t } from '@/i18n'
-import { useWorkflowStore } from '@/platform/workflow/management/stores/workflowStore'
-import { app } from '@/scripts/app'
-import { useDialogService } from '@/services/dialogService'
 import { useWorkspaceStore } from '@/stores/workspaceStore'
 import { useConflictDetection } from '@/workbench/extensions/manager/composables/useConflictDetection'
 
@@ -27,8 +24,6 @@ import { electronAPI, isElectron } from './utils/envUtil'
 
 const workspaceStore = useWorkspaceStore()
 const conflictDetection = useConflictDetection()
-const workflowStore = useWorkflowStore()
-const dialogService = useDialogService()
 const isLoading = computed<boolean>(() => workspaceStore.spinner)
 const handleKey = (e: KeyboardEvent) => {
   workspaceStore.shiftDown = e.shiftKey
@@ -54,23 +49,15 @@ onMounted(() => {
     document.addEventListener('contextmenu', showContextMenu)
   }
 
-  // Handle Vite preload errors (e.g., when assets are deleted after deployment)
+  window.addEventListener('vite:preloadError', (event) => {
-  window.addEventListener('vite:preloadError', async (_event) => {
+    event.preventDefault()
-    // Auto-reload if app is not ready or there are no unsaved changes
+    // eslint-disable-next-line no-undef
-    if (!app.vueAppReady || !workflowStore.activeWorkflow?.isModified) {
+    if (__DISTRIBUTION__ === 'cloud') {
-      window.location.reload()
+      captureException(event.payload, {
+        tags: { error_type: 'vite_preload_error' }
+      })
     } else {
-      // Show confirmation dialog if there are unsaved changes
+      console.error('[vite:preloadError]', event.payload)
-      await dialogService
-        .confirm({
-          title: t('g.vitePreloadErrorTitle'),
-          message: t('g.vitePreloadErrorMessage')
-        })
-        .then((confirmed) => {
-          if (confirmed) {
-            window.location.reload()
-          }
-        })
     }
   })
 

src/locales/en/main.json

@@ -43,8 +43,6 @@
     "comfy": "Comfy",
     "refresh": "Refresh",
     "refreshNode": "Refresh Node",
-    "vitePreloadErrorTitle": "New Version Available",
-    "vitePreloadErrorMessage": "A new version of the app has been released. Would you like to reload?\nIf not, some parts of the app might not work as expected.\nFeel free to decline and save your progress before reloading.",
     "terminal": "Terminal",
     "logs": "Logs",
     "videoFailedToLoad": "Video failed to load",