Rename types

frontend/sync-client/src/index.ts

@@ -18,8 +18,8 @@ export type { PersistenceProvider } from "./persistence/persistence";
 export type { CursorSpan } from "./services/types/CursorSpan";
 export type { ClientCursors } from "./services/types/ClientCursors";
 export type { NetworkConnectionStatus } from "./types/network-connection-status";
-export type { DocumentWithMaybeOutdatedClientCursors } from "./types/maybe-outdated-client-cursors";
-export { DocumentUpdateStatus } from "./types/document-update-status";
+export type { MaybeOutdatedClientCursors } from "./types/maybe-outdated-client-cursors";
+export { DocumentSyncStatus } from "./types/document-sync-status";
 export { SyncClient } from "./sync-client";
 
 import { Locks } from "./utils/locks";

frontend/sync-client/src/types/document-sync-status.ts

@@ -1,4 +1,4 @@
-export enum DocumentUpdateStatus {
+export enum DocumentSyncStatus {
 	UP_TO_DATE = "UP_TO_DATE",
 	SYNCING = "SYNCING"
 }

frontend/sync-client/src/types/document-up-to-dateness.ts

@@ -0,0 +1,5 @@
+export enum DocumentUpToDateness {
+	UpToDate = "UpToDate", // easiest case, the client can just show the cursors as-is
+	Prior = "Prior", // The cursors are outdated, so the client has to guess the cursor positions based on local updates. This is only possible if this client's cursor has once been up-to-date in a given document.
+	Later = "Later" // The cursors are from a future version of a document, there's no way we can accuratly show them locally.
+}

frontend/sync-client/src/types/maybe-outdated-client-cursors.ts

@@ -1,5 +1,5 @@
 import type { ClientCursors } from "../services/types/ClientCursors";
 
-export interface DocumentWithMaybeOutdatedClientCursors extends ClientCursors {
+export interface MaybeOutdatedClientCursors extends ClientCursors {
 	isOutdated: boolean;
 }