cra-build-watch

A script for create-react-app that writes development builds to the disk

Project status

I don't have time to maintain this project anymore. Feel free to fork it and improve upon it as you see fit.

Disclaimer

The builds resulting from this script are NOT for production environment. They lack various optimizations.

This script is meant as a temporary workaround for create-react-app project based until this feature is built-in into react-scripts. See create-react-app#1070.

This script is inspired by other work related such as: https://gist.github.com/jasonblanchard/ae0d2e304a647cd847c0b4493c2353d4.

Ejection

You do not need to eject your project for you to use cra-build-watch.

This tool handles ejected projects but it assumes you did not modify your webpack.config.js file, paths.js and env.js utils. If you did I cannot guarantee that this tool will work.

Why do I need this?

As of now (20/04/2018), create-react-app (more precisely react-scripts) does not allow development builds to be written to the disk because it uses webpackDevServer to serve your build files and folders (for good reasons). The problem is that in some cases you need to have these files written to the disk i.e:

Developing browser extensions using React.
Incorporating your React application into an existing application.
Serving your React app with a dedicated backend.

Prerequisites

Supports react-scripts >= 1.0.x, hence it supports the newest version 4.x.x.

Supports node >= 10.

Installation

Add it to your project using npm:

npm install -D cra-build-watch

or using yarn:

yarn add -D cra-build-watch

Usage

Add a new script into your package.json:

{
  "scripts": {
    "watch": "cra-build-watch"
  }
}

Run that script:

npm run watch

with Yarn:

yarn watch

Configuration

By default the script will generate everything into build/ at your project root and remove the public path from webpack's configuration.

If those defaults do not work for you, the script accepts some arguments:

--after-initial-build-hook: accepts a string of shell code that will be run only once after the initial build in the same process as the cra-build-watch.
--after-rebuild-hook: accepts a string of shell code that will be run every time webpack rebuilds your project after a filesystem change. It runs in the same process as cra-build-watch.
-b|--build-path: expects either an absolute or relative path. If a relative path is given it will be prefixed by your project root path.
- default: yourProjectRoot/build.
--chunk-filename: Set the naming you want to use for non-entry chunk files. Accepts webpack placeholders such as [id], [name], [hash]. Directories can be supplied.
- default: js/bundle.js.
--disable-chunks: disable code-splitting / chunks so that only a single bundle.js file is generated. It only works with react-scripts >= 2.0.0.
-o|--output-filename: Set the name to be used for the output bundle. Accepts webpack placeholders such as [id], [name], [hash]. Directories can be supplied.
- default: js/[name].chunk.js
--react-scripts-version: expects the react-scripts version you are using in your project i.e 2.0.3. If not given it will be implied from your node_modules and if it cannot be implied the version 2.1.2 will be the default. Consider setting it if you ejected and are not using the latest react-scripts version.
-p|--public-path: expects a relative URL where / is the root. If you serve your files using an external webserver this argument is to match with your web server configuration. More information can be found in webpack configuration guide.
- default: "".
-v|--verbose: display webpack build output.

Contributions

All contributions are welcomed.

License

Nargonath/cra-build-watch

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