perf(sync): switch to Y.mergeUpdates (toeverything#6342)

.commitlintrc.json

@@ -14,7 +14,8 @@
         "presets",
         "playground",
         "inline",
-        "lit"
+        "lit",
+        "sync"
       ]
     ]
   }

packages/framework/sync/src/doc/impl/memory.ts

@@ -1,4 +1,5 @@
-import { mergeUpdates } from '../../utils/merge-updates.js';
+import { mergeUpdates } from 'yjs';
+
 import type { DocSource } from '../source.js';
 
 export class MemoryDocSource implements DocSource {

packages/framework/sync/src/doc/peer.ts

@@ -1,13 +1,17 @@
 import { type Logger, Slot } from '@blocksuite/global/utils';
 import { isEqual } from '@blocksuite/global/utils';
 import type { Doc } from 'yjs';
-import { applyUpdate, encodeStateAsUpdate, encodeStateVector } from 'yjs';
+import {
+  applyUpdate,
+  encodeStateAsUpdate,
+  encodeStateVector,
+  mergeUpdates,
+} from 'yjs';
 
 import {
   PriorityAsyncQueue,
   SharedPriorityTarget,
 } from '../utils/async-queue.js';
-import { mergeUpdates } from '../utils/merge-updates.js';
 import { MANUALLY_STOP, throwIfAborted } from '../utils/throw-if-aborted.js';
 import { DocPeerStep } from './consts.js';
 import type { DocSource } from './source.js';

packages/framework/sync/src/index.ts

@@ -1,3 +1,2 @@
 export * from './awareness/index.js';
 export * from './doc/index.js';
-export * from './utils/merge-updates.js';