What is CRA and its benefits?

The create-react-app CLI tool allows you to quickly create & run React applications with no configuration step.

Let's create Todo App using CRA:

# Installation
$ npm install -g create-react-app
# Create new project
$ create-react-app todo-app
$ cd todo-app
# Build, test and run
$ npm run build
$ npm run test
$ npm start

It includes everything we need to build a React app:

  1. React, JSX, ES6, and Flow syntax support.
  2. Language extras beyond ES6 like the object spread operator.
  3. Autoprefixed CSS, so you don’t need -webkit- or other prefixes.
  4. A fast interactive unit test runner with built-in support for coverage reporting.
  5. A live development server that warns about common mistakes.
  6. A build script to bundle JS, CSS, and images for production, with hashes and sourcemaps.

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Made by Michael Sakhniuk

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