feat: add local blocksuite debug support (#3591)

Co-authored-by: Alex Yang <himself65@outlook.com>

packages/cli/src/bin/dev-core.ts

@@ -28,6 +28,7 @@ const flags: BuildFlags = {
   mode: 'development',
   channel: 'canary',
   coverage: false,
+  localBlockSuite: undefined,
 };
 
 const buildFlags = await p.group(
@@ -79,6 +80,11 @@ const buildFlags = await p.group(
         message: 'Enable coverage',
         initialValue: process.env.COVERAGE === 'true',
       }),
+    debugBlockSuite: () =>
+      p.confirm({
+        message: 'Debug blocksuite locally?',
+        initialValue: false,
+      }),
   },
   {
     onCancel: () => {
@@ -88,6 +94,27 @@ const buildFlags = await p.group(
   }
 );
 
+if (buildFlags.debugBlockSuite) {
+  const { config } = await import('dotenv');
+  const envLocal = config({
+    path: path.resolve(cwd, '.env.local'),
+  });
+
+  const localBlockSuite = await p.text({
+    message: 'local blocksuite PATH',
+    initialValue: envLocal.error
+      ? undefined
+      : envLocal.parsed?.LOCAL_BLOCK_SUITE,
+  });
+  if (typeof localBlockSuite !== 'string') {
+    throw new Error('local blocksuite PATH is required');
+  }
+  if (!existsSync(localBlockSuite)) {
+    throw new Error(`local blocksuite not found: ${localBlockSuite}`);
+  }
+  flags.localBlockSuite = localBlockSuite;
+}
+
 flags.distribution = buildFlags.distribution as any;
 flags.mode = buildFlags.mode as any;
 flags.channel = buildFlags.channel as any;

packages/cli/src/config/index.ts

@@ -5,6 +5,7 @@ export type BuildFlags = {
   mode: 'development' | 'production';
   channel: 'stable' | 'beta' | 'canary' | 'internal';
   coverage?: boolean;
+  localBlockSuite?: string;
 };
 
 export const projectRoot = fileURLToPath(