Merge pull request #35350 from overleaf/mj-up-timeouts

[web] Increase reconnection window in editor

GitOrigin-RevId: e6ffb4ecda170eb171455a9c692900ce71309c88

services/web/frontend/js/features/ide-react/context/unsaved-docs-context.tsx

@@ -12,8 +12,14 @@ import { useEditorManagerContext } from '@/features/ide-react/context/editor-man
 import { useIdeReactContext } from '@/features/ide-react/context/ide-react-context'
 import { PermissionsLevel } from '@/features/ide-react/types/permissions'
 import useEventListener from '@/shared/hooks/use-event-listener'
+import { isSplitTestEnabled } from '@/utils/splitTestUtils'
 
-const MAX_UNSAVED_SECONDS = 30 // lock the editor after this time if unsaved
+const intermittentConnectionImprovementsEnabled = isSplitTestEnabled(
+  'intermittent-connection-improvements'
+)
+
+// lock the editor after this time if unsaved
+const MAX_UNSAVED_SECONDS = intermittentConnectionImprovementsEnabled ? 600 : 30
 
 type UnsavedDocsContextValue = {
   unsavedDocs: Map<string, number>

services/web/frontend/js/features/ide-react/editor/share-js-doc.ts

@@ -29,13 +29,22 @@ import {
   RawEditOperation,
 } from 'overleaf-editor-core/lib/types'
 import { HistoryOTShareDoc } from '../../../../../types/share-doc'
+import { isSplitTestEnabled } from '@/utils/splitTestUtils'
+
+const intermittentConnectionImprovementsEnabled = isSplitTestEnabled(
+  'intermittent-connection-improvements'
+)
 
 // All times below are in milliseconds
 const SINGLE_USER_FLUSH_DELAY = 2000
 const MULTI_USER_FLUSH_DELAY = 500
 const INFLIGHT_OP_TIMEOUT = 5000 // Retry sending ops after 5 seconds without an ack
 const WAIT_FOR_CONNECTION_TIMEOUT = 500
-const FATAL_OP_TIMEOUT = 45000
+const FATAL_OP_TIMEOUT = intermittentConnectionImprovementsEnabled
+  ? // 10 minutes
+    600_000
+  : // 45 seconds
+    45_000
 const RECENT_ACK_LIMIT = 2 * SINGLE_USER_FLUSH_DELAY
 
 type Update = Record<string, any>