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https://github.com/developit/preact-boilerplate

:guitar: Ready-to-rock Preact starter project, powered by Webpack.
https://github.com/developit/preact-boilerplate

boilerplate css-modules development-workflow preact pwa webpack

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:guitar: Ready-to-rock Preact starter project, powered by Webpack.

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README 

        
# Preact Boilerplate / Starter Kit [![Build Status](https://travis-ci.org/developit/preact-boilerplate.svg?branch=master)](https://travis-ci.org/developit/preact-boilerplate) [![Preact Slack Community](https://preact-slack.now.sh/badge.svg)](https://preact-slack.now.sh)



:guitar: Ready-to-rock [Preact] starter project, powered by [webpack]. **[(View Demo)](https://preact-boilerplate.surge.sh)**



> ### :rocket: Note: We now recommend [Preact CLI](https://github.com/developit/preact-cli/) for new projects.

>

> [Preact CLI](https://github.com/developit/preact-cli/) is a natural evolution of this boilerplate, and improves on it in every way. In a single dependency, you get a friendly command line project creation and build tool with development & production modes. Preact CLI requires _no configuration at all_, and even does **automatic code-splitting** without you lifting a finger!  It also produces bundles roughly half the size of preact-boilerplate.



---



# Quick-Start Guide



- [Installation](#installation)

- [Development Workflow](#development-workflow)

- [Structure](#structure)

- [CSS Modules](#css-modules)

- [Handling URLS](#handling-urls)

- [React Compatibility](#react-compatibility)



## Installation



**1. Clone this repo:**



```sh

git clone --depth 1 https://github.com/developit/preact-boilerplate.git my-app

cd my-app

```



**2. Make it your own:**



```sh

rm -rf .git && git init && npm init

```



> :information_source: This re-initializes the repo and sets up your NPM project.



**3. Install the dependencies:**



```sh

npm install

```



> You're done installing! Now let's get started developing.



## Development Workflow



**4. Start a live-reload development server:**



```sh

npm run dev

```



> This is a full web server nicely suited to your project. Any time you make changes within the `src` directory, it will rebuild and even refresh your browser.



**5. Testing with `mocha`, `karma`, `chai`, `sinon` via `phantomjs`:**



```sh

npm test

```



> 🌟 This also instruments the code in `src/` using [isparta](https://github.com/douglasduteil/isparta), giving you pretty code coverage statistics at the end of your tests! If you want to see detailed coverage information, a full HTML report is placed into `coverage/`.



**6. Generate a production build in `./build`:**



```sh

npm run build

```



> You can now deploy the contents of the `build` directory to production!

>

> **[Surge.sh](https://surge.sh) Example:** `surge ./build -d my-app.surge.sh`

> 

> **[Netlify](https://www.netlify.com/docs/cli/) Example:** `netlify deploy`

>

> [![Deploy to Netlify](https://www.netlify.com/img/deploy/button.svg)](https://app.netlify.com/start/deploy?repository=https://github.com/developit/preact-boilerplate)



**5. Start local production server with [serve](https://github.com/zeit/serve):**



```sh

npm start

```



> This is to simulate a production (CDN) server with gzip. It just serves up the contents of `./build`.



---



## Structure



Apps are built up from simple units of functionality called Components. A Component is responsible for rendering a small part of an application, given some input data called `props`, generally passed in as attributes in JSX. A component can be as simple as:



```js

class Link extends Component {

  render({ to, children }) {

    return { children };

  }

}

// usage:

Home

```



---



## CSS Modules



This project is set up to support [CSS Modules](https://github.com/css-modules/css-modules).  By default, styles in `src/style` are **global** (not using CSS Modules) to make global declarations, imports and helpers easy to declare.  Styles in `src/components` are loaded as CSS Modules via [Webpack's css-loader](https://github.com/webpack/css-loader#css-modules).  Modular CSS namespaces class names, and when imported into JavaScript returns a mapping of canonical (unmodified) CSS classes to their local (namespaced/suffixed) counterparts.



When imported, this LESS/CSS:



```css

.redText { color:red; }

.blueText { color:blue; }

```



... returns the following map:



```js

import styles from './style.css';

console.log(styles);

// {

//   redText: 'redText_local_9gt72',

//   blueText: 'blueText_local_9gt72'

// }

```



Note that the suffix for local classNames is generated based on an md5 hash of the file. Changing the file changes the hash.



---



## Handling URLS



:information_desk_person: This project contains a basic two-page app with [URL routing](https://github.com/preactjs/preact-router).



Pages are just regular components that get mounted when you navigate to a certain URL. Any URL parameters get passed to the component as `props`.



Defining what component(s) to load for a given URL is easy and declarative. You can even mix-and-match URL parameters and normal props.



```js



  

  

  



```



---



## React Compatibility



This project includes [preact-compat] alias in as `react` and `react-dom` right out-of-the-box.  This means you can install and use third-party React components, and they will use Preact automatically!  It also means that if you _don't_ install third-party React components, `preact-compat` doesn't get included in your JavaScript bundle - it's free if you don't use it 👍



---



## License



MIT



[Preact]: https://github.com/developit/preact

[preact-compat]: https://github.com/developit/preact-compat

[webpack]: https://webpack.github.io