add type info for createEventDispatcher - fixes #3877

6 years ago · 37bd75ad2d
parent db4b523577
commit 37bd75ad2d
1 changed files with 1 additions and 1 deletions
--- a/src/runtime/internal/lifecycle.ts
+++ b/src/runtime/internal/lifecycle.ts
@ -30,7 +30,7 @@ export function onDestroy(fn) {
 export function createEventDispatcher() {
 	const component = get_current_component();

-	return (type, detail) => {
+	return (type: string, detail?: any) => {
 		const callbacks = component.$$.callbacks[type];

 		if (callbacks) {