[backport cloud/1.49] fix: tolerate a missing /api/i18n endpoint during bootstrap

src/stores/bootstrapStore.test.ts

@@ -1,9 +1,13 @@
 import { createTestingPinia } from '@pinia/testing'
+import type { AxiosResponse } from 'axios'
+import { AxiosError } from 'axios'
 import { setActivePinia } from 'pinia'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { nextTick, ref } from 'vue'
 
+import { mergeCustomNodesI18n } from '@/i18n'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { api } from '@/scripts/api'
 
 import { useBootstrapStore } from './bootstrapStore'
 
@@ -64,6 +68,12 @@ const mockDistributionTypes = vi.hoisted(() => ({
 }))
 vi.mock('@/platform/distribution/types', () => mockDistributionTypes)
 
+function requestFailure(status: number) {
+  const error = new AxiosError(`Request failed with status code ${status}`)
+  error.response = { status } as AxiosResponse
+  return error
+}
+
 describe('bootstrapStore', () => {
   beforeEach(() => {
     mockIsSettingsReady.value = false
@@ -93,6 +103,35 @@ describe('bootstrapStore', () => {
     })
   })
 
+  describe('custom node translations', () => {
+    it('treats a missing /api/i18n endpoint as no translations', async () => {
+      vi.mocked(api.getCustomNodesI18n).mockRejectedValueOnce(
+        requestFailure(404)
+      )
+      const store = useBootstrapStore()
+      void store.startStoreBootstrap()
+
+      await vi.waitFor(() => {
+        expect(store.isI18nReady).toBe(true)
+      })
+      expect(store.i18nError).toBeUndefined()
+      expect(mergeCustomNodesI18n).not.toHaveBeenCalled()
+    })
+
+    it('surfaces failures other than a missing endpoint', async () => {
+      vi.mocked(api.getCustomNodesI18n).mockRejectedValueOnce(
+        requestFailure(500)
+      )
+      const store = useBootstrapStore()
+      void store.startStoreBootstrap()
+
+      await vi.waitFor(() => {
+        expect(store.i18nError).toBeDefined()
+      })
+      expect(store.isI18nReady).toBe(false)
+    })
+  })
+
   describe('cloud mode', () => {
     beforeEach(() => {
       mockDistributionTypes.isCloud = true

src/stores/bootstrapStore.ts

@@ -1,13 +1,28 @@
 import { until, useAsyncState } from '@vueuse/core'
+import axios from 'axios'
 import { defineStore, storeToRefs } from 'pinia'
 
 import { isCloud } from '@/platform/distribution/types'
 import { useSettingStore } from '@/platform/settings/settingStore'
 import { useWorkflowStore } from '@/platform/workflow/management/stores/workflowStore'
+import type { CustomNodesI18n } from '@/schemas/apiSchema'
 import { api } from '@/scripts/api'
 import { useAuthStore } from '@/stores/authStore'
 import { useUserStore } from '@/stores/userStore'
 
+/**
+ * Backends that vendor no custom-node locale files do not implement
+ * `/api/i18n`, so a 404 means "no custom-node translations", not a failure.
+ */
+async function fetchCustomNodesI18n(): Promise<CustomNodesI18n | undefined> {
+  try {
+    return await api.getCustomNodesI18n()
+  } catch (error) {
+    if (axios.isAxiosError(error) && error.response?.status === 404) return
+    throw error
+  }
+}
+
 export const useBootstrapStore = defineStore('bootstrap', () => {
   const settingStore = useSettingStore()
   const workflowStore = useWorkflowStore()
@@ -19,8 +34,8 @@ export const useBootstrapStore = defineStore('bootstrap', () => {
   } = useAsyncState(
     async () => {
       const { mergeCustomNodesI18n } = await import('@/i18n')
-      const i18nData = await api.getCustomNodesI18n()
-      mergeCustomNodesI18n(i18nData)
+      const i18nData = await fetchCustomNodesI18n()
+      if (i18nData) mergeCustomNodesI18n(i18nData)
     },
     undefined,
     { immediate: false }