auth0/create-react-app

Name: create-react-app

Owner: Auth0

Description: Create React apps with no build configuration.

Forked from: facebookincubator/create-react-app

Created: 2016-10-10 13:50:37.0

Updated: 2016-10-10 13:50:39.0

Pushed: 2016-10-10 14:06:28.0

Homepage: null

Size: 1014

Language: JavaScript

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README

Create React App Build Status

Create React apps with no build configuration.

tl;dr
install -g create-react-app

te-react-app my-app
y-app/
start

Then open http://localhost:3000/ to see your app.
When you?re ready to deploy to production, create a minified bundle with npm run build.

npm start

Getting Started
Installation

Install it once globally:

install -g create-react-app

You?ll need to have Node >= 4 on your machine.

We strongly recommend to use Node >= 6 and npm >= 3 for faster installation speed and better disk usage. You can use nvm to easily switch Node versions between different projects.

This tool doesn?t assume a Node backend. The Node installation is only required for the build tools that rely on it locally, such as Webpack and Babel.

Creating an App

To create a new app, run:

te-react-app my-app
y-app

It will create a directory called my-app inside the current folder.
Inside that directory, it will generate the initial project structure and install the transitive dependencies:

pp/
ADME.md
de_modules/
ckage.json
itignore
blic/
favicon.ico
index.html
c/
App.css
App.js
App.test.js
index.css
index.js
logo.svg

No configuration or complicated folder structures, just the files you need to build your app.
Once the installation is done, you can run some commands inside the project folder:

npm start

Runs the app in development mode.
Open http://localhost:3000 to view it in the browser.

The page will reload if you make edits.
You will see the build errors and lint warnings in the console.

Build errors

npm test

Runs the test watcher in an interactive mode.
By default, runs tests related to files changes since the last commit.

Read more about testing.

npm run build

Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

The build is minified and the filenames include the hashes.
Your app is ready to be deployed!

User Guide

The User Guide includes information on different topics, such as:

A copy of the user guide will be created as README.md in your project folder.

How to Update to New Versions?

Please refer to the User Guide for this and other information.

Philosophy
Why Use This?

If you?re getting started with React, use create-react-app to automate the build of your app. There is no configuration file, and react-scripts is the only extra build dependency in your package.json. Your environment will have everything you need to build a modern React app:

The feature set is intentionally limited. It doesn?t support advanced features such as server rendering or CSS modules. The tool is also non-configurable because it is hard to provide a cohesive experience and easy updates across a set of tools when the user can tweak anything.

You don?t have to use this. Historically it has been easy to gradually adopt React. However many people create new single-page React apps from scratch every day. We?ve heard loud and clear that this process can be error-prone and tedious, especially if this is your first JavaScript build stack. This project is an attempt to figure out a good way to start developing React apps.

Converting to a Custom Setup

If you?re a power user and you aren?t happy with the default configuration, you can ?eject? from the tool and use it as a boilerplate generator.

Running npm run eject copies all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. Commands like npm start and npm run build will still work, but they will point to the copied scripts so you can tweak them. At this point, you?re on your own.

Note: this is a one-way operation. Once you eject, you can?t go back!

You don?t have to ever use eject. The curated feature set is suitable for small and middle deployments, and you shouldn?t feel obligated to use this feature. However we understand that this tool wouldn?t be useful if you couldn?t customize it when you are ready for it.

Limitations

Some features are currently not supported:

Some of them might get added in the future if they are stable, are useful to majority of React apps, don?t conflict with existing tools, and don?t introduce additional configuration.

What?s Inside?

The tools used by Create React App are subject to change. Currently it is a thin layer on top of many amazing community projects, such as:

All of them are transitive dependencies of the provided npm package.

Contributing

We'd love to have your helping hand on create-react-app! See CONTRIBUTING.md for more information on what we're looking for and how to get started.

Acknowledgements

We are grateful to the authors of existing related projects for their ideas and collaboration:

Alternatives

If you don?t agree with the choices made in this project, you might want to explore alternatives with different tradeoffs.
Some of the more popular and actively maintained ones are:

Notable alternatives also include:

You can also use module bundlers like webpack and Browserify directly.
React documentation includes a walkthrough on this topic.


This work is supported by the National Institutes of Health's National Center for Advancing Translational Sciences, Grant Number U24TR002306. This work is solely the responsibility of the creators and does not necessarily represent the official views of the National Institutes of Health.