Add removeEventListener to event generators

Author: Cellivar

package.json

@@ -1,6 +1,6 @@
 {
   "name": "web-receiptline-printer",
-  "version": "0.2.0-rc3",
+  "version": "0.2.0-rc4",
   "description": "A small library for printing ReceiptLine documents to various receipt printers from a browser.",
   "type": "module",
   "repository": {

src/Printers/Communication/UsbDeviceManager.ts

@@ -77,6 +77,19 @@ export class UsbDeviceManager<TDevice extends IDevice> extends EventTarget {
     super.addEventListener(type, callback, options);
   }
 
+  public removeEventListener<T extends keyof IUsbDeviceManagerEventMap<TDevice>>(
+    type: T,
+    listener: EventListenerObject | null | ((this: UsbDeviceManager<TDevice>, ev: IUsbDeviceManagerEventMap<TDevice>[T]) => void),
+    options?: boolean | AddEventListenerOptions
+  ): void;
+  public removeEventListener(
+    type: string,
+    callback: EventListenerOrEventListenerObject | null,
+    options?: boolean | EventListenerOptions | undefined
+  ): void {
+      super.removeEventListener(type, callback, options);
+  }
+
   /** Ask the user to connect to a device, using the filter from deviceCommunicationOptions. */
   public async promptForNewDevice(): Promise<boolean> {
     try {

src/Printers/ReceiptPrinter.ts

@@ -112,6 +112,19 @@ export class ReceiptPrinter extends EventTarget implements IDevice {
     super.addEventListener(type, callback, options);
   }
 
+  public removeEventListener<T extends keyof ReceiptPrinterEventMap>(
+    type: T,
+    listener: EventListenerObject | null | ((this: ReceiptPrinter, ev: ReceiptPrinterEventMap[T]) => void),
+    options?: boolean | AddEventListenerOptions
+  ): void;
+  public removeEventListener(
+    type: string,
+    callback: EventListenerOrEventListenerObject | null,
+    options?: boolean | EventListenerOptions | undefined
+  ): void {
+      super.removeEventListener(type, callback, options);
+  }
+
   private async setup() {
     const channelReady = await this._channel.ready;
     if (!channelReady) {