Divjoy

Create a Next.js app with Firebase Auth, Cloud Firestore, and Bulma

a dev guide by Divjoy ✨

About this guide

This development guide walks you through everything you need to do to build a high-quality Next.js app integrated with Firebase Auth, Cloud Firestore, and Bulma. Check out the tasks below to get started. To save time, you can also use our boilerplate, which gives you a complete React codebase with all of these tasks done for you. Okay, let's dive in!

Tasks

  • ⚛Setup your Next.js app

    Create a Next.js app using npx create-next-app and then run your project locally with the npm run dev command.
  • 🎣Create a Firebase AuthProvider and useAuth hook

    Create an AuthProvider component that fetches the current user from Firebase Auth, subscribes to changes, stores the user in state, and then makes all this data available to child components using Context.Provider. Make sure to update your Next.js App component so that AuthProvider wraps all your pages. You'll then create a useAuth hook that reads the user with useContext and returns its value. This will enable any component to call useAuthto get the current user and re-render when it changes.
  • 🔐Protect pages with a Firebase requireAuth HOC

    Create a requireAuth higher order component for pages that should only be viewable by authenticated users. It should call your useAuth hook internally to get the current user, show a loading indicator while waiting on the response, and then either render the page or redirect to /signin depending on whether the user is authenticated. For the loading indicator you might try an .is-loading element centered on the page.
  • 👥Merge extra user data from Cloud Firestore

    Update the useAuth React hook to automatically fetch extra user data from the Cloud Firestore users collection and merge it into the returned user object. This makes it easy to access extra user data (think username, subscription plan, etc) without needing to manage extra queries and loading states. Make sure to return an undefined user object while the query is pending so that the user isn't considered logged in until all data is ready.
  • 💌Create a custom Firebase email action handler

    Some Firebase actions, such as password resetting and email verification, will take the user through an email flow and then have them complete the process on a page hosted by Firebase. For a better experience, you can handle this within your own app. You ll need to create a custom Firebase email action route that reads the mode and oobCode params passed by Firebase and then display the appropriate UI (such as a form for selecting a new password). Make sure to handle success/error states with a .notification element.
  • 👩‍🚀Build your authentication UI

    Create an authentication UI using Bulma elements and Firebase Auth functions. You'll want routes for user sign-up, sign-in, forgot password, and change password. Make sure you properly validate inputs and display any errors returned by Firebase Auth. You may also want to use a library, such as React Hook Form, for managing form state.
  • 👥Link user to analytics session

    You can connect Google Analytics sessions to the current authenticated user with the User ID feature. This allows you to see what your users are doing across sessions and devices. You'll need to update your useAuth hook to set the user_id property whenever the user changes.
  • ⛅️Create Cloud Firestore query hooks

    Create React hooks that wrap your Cloud Firestore queries, such as useUser, useItem, and useItemsByUser. These hooks should subscribe to data using onSnapshot and return a query status of "success", "loading", or "error". The React Query library makes it especially easy to setup these hooks and have components re-render when data changes.
  • 👩‍🏫Add Firestore rules

    Be sure to specify your Firestore security rules so that your Firestore database is secure. For example, if you have a users collection you might ensure that the authenticated user can only update a doc if userDoc.uid matches their uid. If you have an items collection you might ensure that they can only update and fetch items where itemDoc.owner matches their uid. You'll also generally want to specify an array of fields that are writeable, as you wouldn't want a user to be able to change userDoc.planId without actually upgrading their plan.
  • ⚡Build a data-driven UI

    Create a data-driven UI using Bulma elements that reads/writes data to Cloud Firestore. The specifics will depend on the type of app you're building, but we generally recommend having a useItemsByOwner hook that fetches "items" in Cloud Firestore that are owned by the current user. You can then create a component for displaying that data in a simple list or table if more columns are needed. Finally, you'll want create a flow for creating and updating items utilizing Bulma modal and form components.
  • 🧭Ensure Bulma link elements hook into Next.js routing

    Make all Bulma link elements hook into Next.js routing by wrapping them with the Link component from next/link.
  • 🏞Create a persistent layout

    Add any components that you'd like displayed across all pages (such asNavbar and Footer) to your Next.js App component. If you need multiple persistent layouts you can instead have each page define its own layout. In that case, create multiple layout components (such as LandingPageLayout and AdminLayout) and wrap the contents of each page.
  • 🎨Finish your app UI with Bulma

    Build out the rest of your UI using Bulma elements and composing them into high-level page sections, such as HeroSection and AccountSettings. Use SASS stylesheets for styling your components and overriding default element styles. You can scope each stylesheet to a single component using BEM syntax or CSS Modules.You should find our library of pre-built Bulma components to be helpful.

Get the code

You can get the code for this guide with our Next.js, Firebase Auth, Cloud Firestore, and Bulma Boilerplate. You'll get a complete Next.js codebase with Firebase Auth, Cloud Firestore, and Bulma integration, all the tasks listed above done for you, and a responsive multi-page template. It should save you about two weeks of development time.

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