Add hasListener() to event interface

w3c · Dec 20, 2024 · 2f8891e · 2f8891e
1 parent 917c531
commit 2f8891e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/proposals/runtime_on_load_on_enabled_events.md b/proposals/runtime_on_load_on_enabled_events.md
@@ -119,6 +119,7 @@ namespace runtime {
   // to a new version, and enabled after being disabled.
   export interface onExtensionLoaded {
     addListener(callback: (details: ExtensionLoadDetails) => void): void;
+    hasListener(callback: (details: ExtensionLoadDetails) => void): boolean;
     removeListener(callback: (details: ExtensionLoadDetails) => void): void;
   }
 }