Merge pull request #20277 from overleaf/jpa-ro-mirror-chunk

[misc] use Chunk for read-only mirror in frontend

GitOrigin-RevId: b97e520c7a63015179792542310d18f346752e92

libraries/overleaf-editor-core/lib/chunk.js

@@ -6,10 +6,11 @@ const OError = require('@overleaf/o-error')
 const History = require('./history')
 
 /**
- * @import { BlobStore } from "./types"
+ * @import { BlobStore, RawChunk } from "./types"
  * @import Change from "./change"
  * @import Snapshot from "./snapshot"
  */
+
 class ConflictingEndVersion extends OError {
   constructor(clientEndVersion, latestEndVersion) {
     const message =
@@ -84,6 +85,10 @@ class Chunk {
     this.startVersion = startVersion
   }
 
+  /**
+   * @param {RawChunk} raw
+   * @return {Chunk}
+   */
   static fromRaw(raw) {
     return new Chunk(History.fromRaw(raw.history), raw.startVersion)
   }

libraries/overleaf-editor-core/lib/types.ts

@@ -76,6 +76,16 @@ export type RawSnapshot = {
   v2DocVersions?: RawV2DocVersions | null
 }
 
+export type RawHistory = {
+  snapshot: RawSnapshot
+  changes: RawChange[]
+}
+
+export type RawChunk = {
+  history: RawHistory
+  startVersion: number
+}
+
 export type RawFileMap = Record<string, RawFile>
 
 export type RawFile = { metadata?: Object } & RawFileData