Create new event with emitter object to simplify code

src/common/input/WriteBuffer.ts

@@ -4,7 +4,7 @@
  * @license MIT
  */
 
-import { EventEmitter, IEvent } from 'common/EventEmitter';
+import { initEvent, EventEmitter, IEvent } from 'common/EventEmitter';
 
 declare const setTimeout: (handler: () => void, timeout?: number) => void;
 
@@ -42,8 +42,7 @@ export class WriteBuffer {
   private _syncCalls = 0;
   private _didUserInput = false;
 
-  private readonly _onWriteParsed = new EventEmitter<void>();
-  public readonly onWriteParsed = this._onWriteParsed.event;
+  public readonly onWriteParsed = initEvent<void>();
 
   constructor(private _action: (data: string | Uint8Array, promiseResult?: boolean) => void | Promise<boolean>) { }
 
@@ -237,6 +236,6 @@ export class WriteBuffer {
       this._pendingData = 0;
       this._bufferOffset = 0;
     }
-    this._onWriteParsed.fire();
+    this.onWriteParsed.fire();
   }
 }