cordova-plugin-fcm-with-dependecy-updated/src/www/eventAsDisposable.ts

Google Firebase Cloud Messaging Cordova Push Plugin fork with dependecy updated

import type { IDisposable } from './IDisposable'

/**
 * This is a simple helper to wrapp the event handler into a IDisposable
 *
 * @param {EventTarget} eventTarget EventTarget for native-sourced custom events
 * @param {string} eventName Event name to listen to
 * @param {(data: any) => void} callback Event handler
 * @param {{ once?: boolean }} options once defines if the listener is only trigger once
 * @returns {IDisposable} object of which can request the listener's disposal
 */
export const asDisposableListener = <R>(
    eventTarget: EventTarget,
    eventName: string,
    callback: (data: R) => void,
    options: { once?: boolean } = {}
): IDisposable => {
    const { once } = options
    const handler = (event: CustomEvent<R>) => callback(event.detail)
    eventTarget.addEventListener(eventName, handler, { passive: true, once })

    return {
        dispose: () => eventTarget.removeEventListener(eventName, handler),
    }
}