Method subscribe

packages/common/src/location/location.ts:262–272

* Subscribes to the platform's `popState` events. * * Note: `Location.go()` does not trigger the `popState` event in the browser. Use * `Location.onUrlChange()` to subscribe to URL changes instead. * * @param value Event that is triggered when the state history changes. * @param ex

(
    onNext: (value: PopStateEvent) => void,
    onThrow?: ((exception: any) => void) | null,
    onReturn?: (() => void) | null,
  )

   * @returns Subscribed events.
   */
  subscribe(
    onNext: (value: PopStateEvent) => void,
    onThrow?: ((exception: any) => void) | null,
    onReturn?: (() => void) | null,
  ): SubscriptionLike {
    return this._subject.subscribe({
      next: onNext,
      error: onThrow ?? undefined,
      complete: onReturn ?? undefined,
    });
  }

  /**
   * Normalizes URL parameters by prepending with `?` if needed.