Webpack_test

Try to learn Webpack 3 by follow the Tutorial from Lynda

Compile with webpack

// Compile all .js file exclude /node_modlues
$ npm run build

// Compile and watch
$ npm run watch

Webpack loaders

Loaders - 所有loader的详细用法

Chapter 2.4 - Using Babel Loader for React

Babel-loader Install the following packages

$ npm install --save-dev babel-preset-react
$ npm install --save-dev react react-dom
$ npm install -g serve

Add Presets on ./webpack.config.js & ./.bablerc

  presets: ['env', 'react']

Check the Babel's Doc for detail of Presets

Chapter 3.1 Loading CSS with Webpack

Install:

$ npm install style-loader css-loader --save-dev

add following in ./webpack.config.js

{
  test: /\.css$/,
  use: [
    { loader: 'style-loader' },
    { loader: 'css-loader' }
  ]
}

Webpack will load all .css file to /dist/bundle.js

style-loader

Adds CSS to the DOM by injecting a <style> tag

The css-loader interprets @import and url() like import/require() and will resolve them. Good loaders for requiring your assets are the file-loader and the url-loader which you should specify in your config (see below).

Chapter 3.2 Load SCSS

$ npm install sass-loader node-sass --save-dev

Chapter 3.3 Loading image

$ npm install url-loader file-loader --save-dev

load image to reduce the HTTPRequest to make

Chapter 3.4 Webpack server -> provides live reloading

Use webpack with a development server that provides live reloading. This should be used for development only. Github / webpack-dev-server

$ npm install webpack-dev-server webpack-cli -D

在webpack.config.js之中加入：

module.exports = {
  // ...
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    port:8082
  }
  // ...
}

使用方法 / Usage:

// package.json
  "dev": "webpack-dev-server"

使用 $ npm run dev来启动server，可以追踪文件的变化，并实时更新

Sweetymeow/Webpack_test