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# Neutrino Compile Loader Middleware
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[![NPM version][npm-image]][npm-url] [![NPM downloads][npm-downloads]][npm-url] [![Join Slack][slack-image]][slack-url]
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`neutrino-middleware-compile-loader` is Neutrino middleware for compiling source code with Babel.
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## Requirements
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- Node.js v6.9+
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- Yarn or npm client
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- Neutrino v5
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## Installation
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`neutrino-middleware-compile-loader` can be installed via the Yarn or npm clients.
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#### Yarn
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```bash
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❯ yarn add neutrino-middleware-compile-loader
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```
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#### npm
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```bash
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❯ npm install --save neutrino-middleware-compile-loader
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```
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## Usage
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`neutrino-middleware-compile-loader` can be consumed from the Neutrino API, middleware, or presets. Require this package
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and plug it into Neutrino:
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```js
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const compile = require('neutrino-middleware-compile-loader');
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neutrino.use(compile, {
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include: [],
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exclude: [],
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babel: {}
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});
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```
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- `include` should be an array of paths to include in the compilation. Maps to Webpack's
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[`Rule.include`](https://webpack.js.org/configuration/module/#rule-include)
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- `babel` is a [Babel configuration object](https://babeljs.io/docs/usage/api/#options), consumed by babel-loader. Use
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this to set properties such as `presets`, `plugins`, and `env`.
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## Customization
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`neutrino-middleware-compile-loader` creates some conventions to make overriding the configuration easier once you are
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ready to make changes.
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### Rules
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The following is a list of rules and their identifiers which can be overridden:
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- `compile`: Compiles JS and JSX files from the `src` directory using Babel. Contains a single loader named `babel`.
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## Contributing
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This preset is part of the [neutrino-dev](https://github.com/mozilla-neutrino/neutrino-dev) repository, a monorepo
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containing all resources for developing Neutrino and its core presets. Follow the
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[contributing guide](../../contributing/README.md) for details.
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[npm-image]: https://img.shields.io/npm/v/neutrino-middleware-compile-loader.svg
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[npm-downloads]: https://img.shields.io/npm/dt/neutrino-middleware-compile-loader.svg
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[npm-url]: https://npmjs.org/package/neutrino-middleware-compile-loader
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[slack-image]: https://neutrino-slack.herokuapp.com/badge.svg
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[slack-url]: https://neutrino-slack.herokuapp.com/
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