onesignal-web-sdk/src/errors/NotSubscribedError.ts

Web push notifications from OneSignal.

import OneSignalError from "./OneSignalError";


export enum NotSubscribedReason {
  Unknown,
  NoDeviceId,
  NoEmailSet,
  OptedOut
}

export class NotSubscribedError extends OneSignalError {
  reason: string;

  constructor(reason: NotSubscribedReason) {
    switch (reason) {
      case NotSubscribedReason.Unknown || NotSubscribedReason.NoDeviceId:
        super('This operation can only be performed after the user is subscribed.');
        break;
      case NotSubscribedReason.NoEmailSet:
        super('No email is currently set.');
        break;
      case NotSubscribedReason.OptedOut:
        super('The user has manually opted out of receiving of notifications. This operation can only be performed after the user is fully resubscribed.');
        break;
    }
    this.reason = NotSubscribedReason[reason];

    /**
     * Important! Required to make sure the correct error type is detected during instanceof checks.
     * Same applies to all derived classes.
     * https://github.com/Microsoft/TypeScript-wiki/blob/master/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
     */
    Object.setPrototypeOf(this, NotSubscribedError.prototype);
  }
}