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hyperapp-firebase-auth

0.3.0 • Public • Published

hyperapp-firebase-auth

Drop in firebase authentication for hyperapps

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This project exports a hyperapp module (state/actions/view) that wraps the Firebase authentication API. It manages the application state and renders appropriate views for the authentication flows Sign In and Create User.

Out of the box features include:

  • No server setup or backend code
  • Human readable error messages
  • Email validation and confirmation
  • Reset password by email
  • Compatible with @hyperapp/router

Usage

If you have not already initialized firebase on your frontend see Firebase Setup

Install the package from npm or include from CDN:

npm i hyperapp-firebase-auth

Import the module firebaseAuth and the view FirebaseAuth

import { app, h } from 'hyperapp'
import { firebaseAuth, FirebaseAuthDialog } from 'hyperapp-firebase-auth'
 
const main =
  app(
    { auth: firebaseAuth.state },
    { auth: firebaseAuth.actions },
    (state, actions) =>
      h('main', {}, [
        // Only shows when NOT authenticated
        FirebaseAuthDialog(state.auth, actions.auth),
        // Only shows when authenticated
        state.auth.authed && `Hello ${state.auth.user.uid}!`
      ]),
    document.body
  )
 
firebase.auth().onAuthStateChanged(main.userChanged)

DEMO: https://codepen.io/lukejacksonn/pen/xLBJoN

How it works

  • An empty element is rendered until an auth status is received from Firebase
  • If the auth status is null then the user is prompted to enter their email address
    • Existing users are then prompted to enter their password to sign in
    • New users are prompted to confirm their email address and set a password to sign up
  • The dialog will not be rendered once auth status returns a valid Firebase user

Firebase Setup

If you want to utilize Firebase Authentication for your own apps then you will need to create a Firebase Account and create a new project. This can be done for free at https://console.firebase.google.com.

If you don't want to create your own project then you can use the example config below

Once you have created a project you will be presented with an app configuration like this:

<script src="https://www.gstatic.com/firebasejs/4.3.0/firebase.js"></script>
<script>
  var config = {
    apiKey: "AIzaSyBKRtxwj3SrSZdlKs4x5CeFm4zxymv6JDU",
    authDomain: "hyperapp-497ce.firebaseapp.com",
    databaseURL: "https://hyperapp-497ce.firebaseio.com",
    projectId: "hyperapp-497ce",
    storageBucket: "hyperapp-497ce.appspot.com",
    messagingSenderId: "458459404992"
  };
  firebase.initializeApp(config);
</script> 

Add this snippet to your index.html before your hyperapp application code. This ensures that the Firebase API exists when the mixin loads. It is possible to require or import the Firebase library into your project, but the setup for this is out of the scope of this example.

Once you are setup, visit the link below (replacing ${projectId} with the projectId from your newly created Firebase project config) and Enable the Email/Password provider.

https://console.firebase.google.com/project/${projectId}/authentication/providers

That is all the back and front end configuration you need to do.. Phew 😅

install

npm i hyperapp-firebase-auth

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8

version

0.3.0

license

MIT

last publish

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