use weaker-event definition for cancellation token, #81574

src/vs/base/common/cancellation.ts

@@ -7,18 +7,24 @@ import { Emitter, Event } from 'vs/base/common/event';
 import { IDisposable } from 'vs/base/common/lifecycle';
 
 export interface CancellationToken {
+
+	/**
+	 * A flag signalling is cancellation has been requested.
+	 */
 	readonly isCancellationRequested: boolean;
+
 	/**
-	 * An event emitted when cancellation is requested
+	 * An event which fires when cancellation is requested.
+	 *
 	 * @event
 	 */
-	readonly onCancellationRequested: Event<any>;
+	readonly onCancellationRequested: (listener: (e: any) => any, thisArgs?: any, disposables?: IDisposable[]) => IDisposable;
 }
 
-const shortcutEvent = Object.freeze(function (callback, context?): IDisposable {
+const shortcutEvent: Event<any> = Object.freeze(function (callback, context?): IDisposable {
 	const handle = setTimeout(callback.bind(context), 0);
 	return { dispose() { clearTimeout(handle); } };
-} as Event<any>);
+});
 
 export namespace CancellationToken {
 

src/vs/monaco.d.ts

@@ -54,12 +54,16 @@ declare namespace monaco {
 	}
 
 	export interface CancellationToken {
+		/**
+		 * A flag signalling is cancellation has been requested.
+		 */
 		readonly isCancellationRequested: boolean;
 		/**
-		 * An event emitted when cancellation is requested
+		 * An event which fires when cancellation is requested.
+		 *
 		 * @event
 		 */
-		readonly onCancellationRequested: IEvent<any>;
+		readonly onCancellationRequested: (listener: (e: any) => any, thisArgs?: any, disposables?: IDisposable[]) => IDisposable;
 	}
 	/**
 	 * Uniform Resource Identifier (Uri) http://tools.ietf.org/html/rfc3986.