Add missing return type to attributeChanged

Polymer · Sep 14, 2018 · 239e99a · 239e99a
1 parent bf02bd3
commit 239e99a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/interfaces.d.ts b/interfaces.d.ts
@@ -37,7 +37,7 @@ export interface PolymerInit {
   attached?(): void;
   detached?(): void;
   ready?(): void;
-  attributeChanged?(name: string, old?: string, value?: string);
+  attributeChanged?(name: string, old?: string, value?: string): void;
 
   // Allow any other user-defined properties
   [others: string]: any;