diff --git a/src/webviews/apps/shared/appBase.ts b/src/webviews/apps/shared/appBase.ts
index ecd3759..06eb5fc 100644
--- a/src/webviews/apps/shared/appBase.ts
+++ b/src/webviews/apps/shared/appBase.ts
@@ -22,7 +22,7 @@ function nextIpcId() {
 	return `webview:${ipcSequence}`;
 }
 
-export abstract class App<State extends object> {
+export abstract class App<State extends object = any> {
 	private readonly _api: VsCodeApi;
 	protected state: State;
 
@@ -78,6 +78,8 @@ export abstract class App<State extends object> {
 
 	protected setState(state: State) {
 		this.state = state;
+		if (state == null) return;
+
 		this._api.setState(state);
 	}
 
diff --git a/src/webviews/apps/shared/events.ts b/src/webviews/apps/shared/events.ts
index 2ff81f1..fb24c36 100644
--- a/src/webviews/apps/shared/events.ts
+++ b/src/webviews/apps/shared/events.ts
@@ -39,6 +39,7 @@ export class Emitter<T> {
 						}
 					},
 				};
+
 				if (Array.isArray(disposables)) {
 					disposables.push(result);
 				}
diff --git a/src/webviews/apps/tsconfig.json b/src/webviews/apps/tsconfig.json
index 4fae851..ae8ee49 100644
--- a/src/webviews/apps/tsconfig.json
+++ b/src/webviews/apps/tsconfig.json
@@ -1,7 +1,6 @@
 {
 	"extends": "../../../tsconfig.base.json",
 	"compilerOptions": {
-		"allowSyntheticDefaultImports": true,
 		"lib": ["dom", "dom.iterable", "es2020"],
 		"outDir": "../../"
 	},