Merge pull request #25910 from overleaf/em-track-changes-sharejs

Track changes in the history OT sharejs doc

GitOrigin-RevId: 17365219f24a25790eac611dbde9681eb73d0961

services/web/types/share-doc.ts

@@ -1,9 +1,23 @@
 import EventEmitter from 'events'
+import { StringFileData } from 'overleaf-editor-core'
 
 // type for the Doc class in vendor/libs/sharejs.js
-export interface ShareDoc extends EventEmitter {
+export interface ShareLatexOTShareDoc extends EventEmitter {
+  otType: 'sharejs-text-ot'
+  snapshot: string
   detach_cm6?: () => void
   getText: () => string
   insert: (pos: number, insert: string, fromUndo: boolean) => void
   del: (pos: number, length: number, fromUndo: boolean) => void
+  submitOp(op: any[]): void
 }
+
+export interface HistoryOTShareDoc extends EventEmitter {
+  otType: 'history-ot'
+  snapshot: StringFileData
+  detach_cm6?: () => void
+  getText: () => string
+  submitOp(op: any[]): void
+}
+
+export type ShareDoc = ShareLatexOTShareDoc | HistoryOTShareDoc