refactor(editor): remove assertExists (#10615)

blocksuite/playground/apps/_common/history.ts

@@ -1,5 +1,4 @@
 import type { DocModeProvider } from '@blocksuite/blocks';
-import { assertExists } from '@blocksuite/global/utils';
 import type { TestAffineEditorContainer } from '@blocksuite/integration-test';
 import type { Doc, Store, Workspace } from '@blocksuite/store';
 
@@ -13,14 +12,18 @@ export function getDocFromUrlParams(collection: Workspace, url: URL) {
   }
   if (!doc) {
     const blockCollection = collection.docs.values().next().value as Doc;
-    assertExists(blockCollection, 'Need to create a doc first');
+    if (!blockCollection) {
+      throw new Error('Need to create a doc first');
+    }
     doc = blockCollection.getStore();
   }
 
   doc.load();
   doc.resetHistory();
 
-  assertExists(doc.root, 'Doc root is not ready');
+  if (!doc.root) {
+    throw new Error('Doc root is not ready');
+  }
 
   return doc;
 }

blocksuite/playground/apps/_common/sync/websocket/awareness.ts

@@ -1,4 +1,3 @@
-import { assertExists } from '@blocksuite/global/utils';
 import type { AwarenessSource } from '@blocksuite/sync';
 import type { Awareness } from 'y-protocols/awareness';
 import {
@@ -21,7 +20,9 @@ export class WebSocketAwarenessSource implements AwarenessSource {
       res.concat(cur)
     );
 
-    assertExists(this.awareness);
+    if (!this.awareness) {
+      throw new Error('awareness is not found');
+    }
     const update = encodeAwarenessUpdate(this.awareness, changedClients);
     this.ws.send(
       JSON.stringify({
@@ -42,12 +43,16 @@ export class WebSocketAwarenessSource implements AwarenessSource {
 
     if (type === 'update') {
       const update = data.payload.update;
-      assertExists(this.awareness);
+      if (!this.awareness) {
+        throw new Error('awareness is not found');
+      }
       applyAwarenessUpdate(this.awareness, new Uint8Array(update), 'remote');
     }
 
     if (type === 'connect') {
-      assertExists(this.awareness);
+      if (!this.awareness) {
+        throw new Error('awareness is not found');
+      }
       this.ws.send(
         JSON.stringify({
           channel: 'awareness',

blocksuite/playground/apps/_common/sync/websocket/doc.ts

@@ -1,4 +1,3 @@
-import { assertExists } from '@blocksuite/global/utils';
 import type { DocSource } from '@blocksuite/sync';
 import { diffUpdate, encodeStateVectorFromUpdate, mergeUpdates } from 'yjs';
 
@@ -69,7 +68,9 @@ export class WebSocketDocSource implements DocSource {
     }
 
     const latest = this.docMap.get(docId);
-    assertExists(latest);
+    if (!latest) {
+      throw new Error('latest is not found');
+    }
     this.ws.send(
       JSON.stringify({
         channel: 'doc',

blocksuite/playground/apps/starter/data/database.ts

@@ -8,7 +8,6 @@ import {
 import { groupTraitKey } from '@blocksuite/data-view';
 import { propertyPresets } from '@blocksuite/data-view/property-presets';
 import { viewPresets } from '@blocksuite/data-view/view-presets';
-import { assertExists } from '@blocksuite/global/utils';
 import { Text, type Workspace } from '@blocksuite/store';
 
 import type { InitFn } from './utils.js';
@@ -27,7 +26,9 @@ export const database: InitFn = (collection: Workspace, id: string) => {
     const noteId = doc.addBlock('affine:note', {}, rootId);
     const pId = doc.addBlock('affine:paragraph', {}, noteId);
     const model = doc.getBlockById(pId);
-    assertExists(model);
+    if (!model) {
+      throw new Error('model is not found');
+    }
     const addDatabase = (title: string, group = true) => {
       const databaseId = doc.addBlock(
         'affine:database',