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Steps to build a ReactJS-PWA
  • Create a PWA Enabled ReactJS App using the command: npx create-react-app <YOUR APP NAME> --template cra-template-pwa

  • Navigate into the created folder/directory: cd <YOUR APP NAME>

  • To run your app in the development mode: npm start

  • Register a Service Worker

    The directory of your newly created project contains the file index.js. Open it and find the following code: Here, you can see that the serviceWorker is not registered yet. You have to change the unregister() call to register().

  • Configure the Web Application Manifest

    Set up the web app manifest for your progressive web app that is located in the manifest.json file in public directory.

  • Manifest attributes meaning:

    • short_name: The name of your application, used within the icon, like on the users’ home screens or launchers.
    • name: The name of your app shown in the app stores or browsers on startup screens and prompts. If name property is not defined, short_name will be displayed.
    • icons: The set of icons (or just one), used on the users’ home screens, launchers, task switchers, splash screens, etc.
    • start_url: The URL of the page of your app that your users see on the startup.
    • display: This property is responsible for the browser view. The app can hide the address bar, run in the new window, go fullscreen, etc. See the attributes you can use for it:
      • fullscreen: This option is for opening the app without any browser UI, occupying the entirety of the users’ display.
      • standalone: This option allows for running the app in the new window, like a native app. It will also hide the browser UI elements like an address bar.
      • minimal-ui: This option is quite similar to the previous one, but it comes with the minimal set of browser UI, like back and reload buttons.
      • browser: This option enables the usual browser experience.
    • theme_color: The color of the toolbar in your app.
    • background_color: The color of the splash screen that appears when users click on the app icon in their home screens.​
  • Install an npm package, serve npm install -g serve

  • Run server and the app in Local serve -s build

  • Make the App deployement ready npm run build

To check performance, accessibility, and PWA compliance for your application

STEP 0: Install Lighthouse Chrome Extension, Click here

STEP 1: Open Chrome DevTools by choosing the Inspect option from the right-click menu on the page you need to inspect.

STEP 2: Go to the Lighthouse tab and click on the Generate Report button.

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