Prenly App SDK - JS Bridge

The Prenly App SDK is a JavaScript toolkit tailored for developers looking to integrate their web sites seamlessly with the Prenly native apps, focusing on user authentication and consent management. This repository contains the distribution files for the JavaScript SDK.

Install

npm i prenly-js-bridge

Instantiation

import PrenlyAppSDK from "prenly-js-bridge";

const { api } = new PrenlyAppSDK();

API

Functions

Function	Signature	Description
Login	api.login(): Promise<UserDataJwt>	Trigger a login flow in the app.
Logout	api.logout(): Promise<UserDataJwt>	Trigger a logout flow in the app.
Show no access alert	api.showNoAccessAlert(): Promise<void>	Trigger a show no access alert flow in the app.
Get user JWT	api.getUserJwt(): Promise<UserDataJwt>	Retrieve information about the user as a Jwt.
Get user consent	api.getUserConsent(): Promise<UserConsent | null>	Retrieve the current consent that the user granted, or null if no CMP is used.
Show user consent dialog	api.showUserConsentDialog(): Promise<void>	Trigger the display of the consent dialog.
Play or pause audio	api.playPauseAudio(AudioData): Promise<void>	Add audio and play it using the native app player, or pause when playing.
Queue or dequeue audio	api.queueDequeueAudio(AudioData): Promise<void>	Queue or dequeue audio using the native app player.
Get audio status	api.getAudioStatus(AudioId): Promise<AudioStatus>	Retrieve audio status.
Set component data	api.setComponentData(ComponentData): Promise<void>	Set custom data to be displayed in the start page component connected to a webview.

Example

import PrenlyAppSDK from "prenly-js-bridge";

const { api } = new PrenlyAppSDK();

try {
  const userJwt = await api.getUserJwt();
  // Do something with `userJwt`.
} catch (error) {
  // If the promise was rejected, check the error `code`.
  if (api.isRequestError(error) && error.code === "rejected") {
    // ...
  }
}

Event listeners

Function	Signature
Start listening	api.on(EventType, (current: Object, previous?: Object) => void): void
Stop listening (single listener)	api.off(EventType, handler): void
Stop listening (all events of a type)	api.off(EventType): void

Events

Types

Type	Data	Description
userConsentChange	UserConsent	Triggers when the user consent changes.
userLogin	UserDataJwt	Triggers when the user logs in.
userLogout	UserDataJwt	Triggers when the user logs out.
audioStatusChange	AudioStatus	Triggers when the status of audio initialized by the SDK is changed.
componentItemVisible	ComponentItemVisible	Triggers when an item is visible for the user within a start page component that is connected to a webview.

Callback Parameters

Parameter	Description
Parameter 1	The response object of the current event.
Parameter 2	The response object of the previous event, or undefined when no previous event exists.

Example

api.on("userConsentChange", (data: UserConsent) => {
  // ...
});

Data models

UserDataJwt

{
  jwt: string;
}

The decoded JWT string contains header, payload and signature. The payload has the following definition:

{
  // Standard claims:
  sub?: string;
  given_name?: string;
  family_name?: string;
  email?: string;
  // Custom claims:
  customer_number?: string;
  prenly_package_slugs?: string[];
  is_logged_in: boolean;
}

UserConsent

{
  cmp: string;
  prenly_purpose_grants?: {
    functional: boolean;
    analytical: boolean;
    marketing: boolean;
  };
  tc_string?: string;
  att_granted?: boolean;
  cmp_purpose_grants?: { [purpose: string]: boolean };
  cmp_vendor_grants?: { [vendor: string]: boolean };
}

AudioId

{
  id: string;
}

AudioData

{
  id: string;
  audio_url: string;
  image_url?: string;
  title: string;
  description: string;
  duration: number; // in seconds
}

AudioStatus

{
  id: string;
  status: "playing" | "paused" | "loading";
  queued: boolean;
}

ComponentData

{
  id: string; // component identifier
  items: {
    id: string;
    header: string;
    subheader: string;
    deeplink_url: string;
    image_url: string;
    image_width?: number;
    image_height?: number;
  }[];
}

ComponentItemVisible

{
  component_id: string;
  item_id: string;
}

RequestError (extends Error)

{
  code:
    | 'rejected'
    | 'not_supported'
    | 'feature_disabled'
    | 'login_failed'
    | 'logout_failed'
    | 'play_pause_audio_failed'
    | 'queue_dequeue_audio_failed'
    | 'set_component_data_failed';
  message?: string;
}