From 8d8bd49600871ac4127364e1d9a6a17c8f491dfe Mon Sep 17 00:00:00 2001
From: EYHN <cneyhn@gmail.com>
Date: Wed, 8 May 2024 09:06:33 +0000
Subject: [PATCH] chore(infra): remove compatible code (#6833)

---
 packages/common/infra/src/sync/doc/event.ts   |  5 ---
 packages/common/infra/src/sync/doc/local.ts   |  7 ----
 .../impls/engine/doc-broadcast-channel.ts     | 41 +------------------
 3 files changed, 1 insertion(+), 52 deletions(-)

diff --git a/packages/common/infra/src/sync/doc/event.ts b/packages/common/infra/src/sync/doc/event.ts
index 4dc5bac43..d8e77209d 100644
--- a/packages/common/infra/src/sync/doc/event.ts
+++ b/packages/common/infra/src/sync/doc/event.ts
@@ -11,11 +11,6 @@ export type DocEvent =
       docId: string;
       update: Uint8Array;
       clientId: string;
-    }
-  | {
-      type: 'LegacyClientUpdateCommitted';
-      docId: string;
-      update: Uint8Array;
     };
 
 export interface DocEventBus {
diff --git a/packages/common/infra/src/sync/doc/local.ts b/packages/common/infra/src/sync/doc/local.ts
index 7eea53c7c..560587db7 100644
--- a/packages/common/infra/src/sync/doc/local.ts
+++ b/packages/common/infra/src/sync/doc/local.ts
@@ -254,13 +254,6 @@ export class DocEngineLocalPart {
         });
       }
     },
-    LegacyClientUpdateCommitted: ({ docId, update }) => {
-      this.schedule({
-        type: 'save',
-        docId,
-        update,
-      });
-    },
   };
 
   handleDocUpdate = (update: Uint8Array, origin: any, doc: YDoc) => {
diff --git a/packages/frontend/core/src/modules/workspace-engine/impls/engine/doc-broadcast-channel.ts b/packages/frontend/core/src/modules/workspace-engine/impls/engine/doc-broadcast-channel.ts
index e04a9d9f3..5f8c43e0e 100644
--- a/packages/frontend/core/src/modules/workspace-engine/impls/engine/doc-broadcast-channel.ts
+++ b/packages/frontend/core/src/modules/workspace-engine/impls/engine/doc-broadcast-channel.ts
@@ -1,48 +1,9 @@
 import type { DocEvent, DocEventBus } from '@toeverything/infra';
 
-type LegacyChannelMessage = {
-  type: 'db-updated';
-  payload: {
-    docId: string;
-    update: Uint8Array;
-  };
-  __from_new_doc_engine?: boolean;
-};
-
 export class BroadcastChannelDocEventBus implements DocEventBus {
-  legacyChannel = new BroadcastChannel('indexeddb:' + this.workspaceId);
   senderChannel = new BroadcastChannel('doc:' + this.workspaceId);
-  constructor(private readonly workspaceId: string) {
-    this.legacyChannel.addEventListener(
-      'message',
-      (event: MessageEvent<LegacyChannelMessage>) => {
-        if (event.data.__from_new_doc_engine) {
-          return;
-        }
-        if (event.data.type === 'db-updated') {
-          this.emit({
-            type: 'LegacyClientUpdateCommitted',
-            docId: event.data.payload.docId,
-            update: event.data.payload.update,
-          });
-        }
-      }
-    );
-  }
+  constructor(private readonly workspaceId: string) {}
   emit(event: DocEvent): void {
-    if (
-      event.type === 'ClientUpdateCommitted' ||
-      event.type === 'ServerUpdateCommitted'
-    ) {
-      this.legacyChannel.postMessage({
-        type: 'db-updated',
-        payload: {
-          docId: event.docId,
-          update: event.update,
-        },
-        __from_new_doc_engine: true,
-      } satisfies LegacyChannelMessage);
-    }
     this.senderChannel.postMessage(event);
   }