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React Accelerate

A batteries-included template for creating production quality React apps. Based on Create React App, this template is designed to accelerate React application development by providing guidance, libraries and tools to write web applications using best practices.

Features

  1. TypeScript based - for type safety
  2. Opinionated folder structure
  3. Foundational libraries
  4. Essential tools
  5. Some useful starter components:
    • ErrorBoundary: A component to catch JavaScript errors anywhere in its child component tree and display a fallback UI.
    • Loading: A placeholder loading component
    • EnvProvider: Provides a mechanism for loading environment variables dynamically by placing an environment file (env.js) in the /public folder. This allows a single build to be used across multiple environments such as develop, qa, uat & prod.
    • Home: A simple page showing end-to-end flow from client to server. It makes an HTTP request to the server, which is intercepted by Mock Service Worker (in development mode) and displays a list of movies. The unit test for this page does not have to do any jest level mocking, demonstrating the power of MSW.
    • NotFound: A placeholder NotFound page
    • Sample Storybook Stories: Showing best practices in Storybook
    • Unit Testing: Utility functions to make testing easier. Also, some sample tests to show best practices.
    • End-to-End Testing: Sample Cypress tests to show best practices.

Getting Started

Run the following commands to create your React app in a local Git repository.

# Notes:
# - Replace `~/projects` with whatever location you use for saving your projects
# - Replace 'my-app' with the real name of your app, e.g. 'movie-magic'
# - Use npx or yarn based on your preference

cd ~/projects

npx create-react-app my-app --template accelerate

# or

yarn create react-app my-app --template accelerate

Once the new app is created, you must reinstall the dependencies. There are two reasons for this:

  1. Make sure that husky's git hooks are installed properly. Unfortunately the hooks do not get installed during the execution of the above commands.

  2. Installing Storybook is a bit finicky. The steps below install it manually.

Follow the steps below:

Step 1: Add Storybook dependencies

Add the following Storybook dependencies in my-app/package.json to the devDependencies section. It is preferable to keep this section in alphabetic order. (This also applies to the dependencies section.)

    "@storybook/addon-a11y": "^6.5.9",
    "@storybook/addon-actions": "^6.5.9",
    "@storybook/addon-essentials": "^6.5.9",
    "@storybook/addon-interactions": "^6.5.9",
    "@storybook/addon-links": "^6.5.9",
    "@storybook/builder-webpack5": "^6.5.9",
    "@storybook/manager-webpack5": "^6.5.9",
    "@storybook/node-logger": "^6.5.9",
    "@storybook/preset-create-react-app": "^4.1.2",
    "@storybook/react": "^6.5.9",
    "@storybook/testing-library": "^0.0.13",

Step 2: Move react-scripts to devDependencies

This is a nit! Create React App adds react-scripts to the dependencies section in my-app/package.json. Move it to the devDependencies section:

  "devDependencies": {
    ...
    "react-scripts": "5.0.1",
    ...
  },

Step 3: Update the scripts section

Replace the scripts section in the same file (my-app/package.json) with the block below. We are just making minor adjustments for readability and a better workflow:

  "scripts": {
    "build": "react-scripts build",
    "build-storybook": "build-storybook -s public",
    "cypress": "cypress open",
    "eject": "react-scripts eject",
    "format": "prettier --write README.md \"src/**/{*.md,*.json,*.css,*.ts*}\" \"cypress/integration/**/*\"",
    "lint": "eslint src",
    "prepare": "husky install",
    "start": "react-scripts start",
    "storybook": "start-storybook -p 6006 -s public",
    "test": "npm run lint && npm run test:coverage",
    "test:coverage": "react-scripts test --coverage --watchAll=false",
    "test:update": "react-scripts test --watchAll=false --updateSnapshot",
    "test:watch": "react-scripts test"
  },

Step 4: Add dependency overrides

This template uses the latest version of React - version 18. Many third party libraries still haven't switched their dependencies to this version. Hence, we need to force the React version to 18. Look up the version of React that was generated in the dependencies section. Use this same version in the instructions below. At the time of this writing the latest version is 18.2.0.

npm users

Find the devDependencies section in my-app/package.json and insert an overrides section just below it as shown below:

  "overrides": {
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-refresh": "0.13.0"
  },

yarn users

Find the devDependencies section in my-app/package.json and insert a resolutions section just below it as shown below:

  "resolutions": {
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-refresh": "0.13.0"
  },

Step 5: Reinstall Dependencies

npm users

cd my-app
rm -rf package-lock.json node_modules
npm install

yarn users

cd my-app
rm -rf yarn.lock node_modules
yarn

Step 6: Test your installation

Yarn users: substitute npm with yarn.

npm start # sample app shows up in your browser at http://localhost:3000/
npm run storybook # storybook starts up at http://localhost:6006/
npm test # test suites runs successfully

Step 6: Commit your changes

git add .
git commit -m "Added storybook"

Testing the template locally (for template developers)

To test this template locally, use the following commands:

cd ..
npx create-react-app test-app --template file:./cra-template-accelerate

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