The loader chapter of Webpack Advanced

Webpack's loaders is a major feature and an important part of it. This blog I will be classified to explain some of the commonly used Laoder

First, the pretreatment of loaders

• Css-loader handling issues such as path references in CSS

• Style-loader dynamically writing styles to CSS

• Sass-loader Scss Compiler

• Less-loader less compiler

• Postcss-loader Scss re-processing

npm install --save -dev css-loader style-loader sass-loader less-loader postcss-loader

Chestnuts:

module: {  loaders: [    {test: /\.css$/, loader: "style!css?sourceMap!postcss"},    {test: /\.less$/, loader: "style!css!less|postcss"}, {test: /\.scss$/, loader: "style!css!sass|postcss"} ]}

Second, loaders's JS processing

• Babel-loader

• Jsx-loader

npm install --save-dev babel-core babel-preset-es2015 babel-loader jsx-loader

Chestnuts

Create a new .babelrc file with a name

{  "presets": ["es2015","react"],  "plugins":["antd"]}

Create a new name for the webpack.config.js file

 module.exports ={ entry:  './entry.js ',  output: {path: __dirname, filename:  ' bundle.js '}, module: {loaders: [{test: /\.js$/, loader:  "Babel", exclude: /node_modules/}, {test: /\.jsx$/, loader:  "Jsx-loader"} {test: /.css$/, loader:  ' Style!css '}]}};         

Third, the picture processing of loaders

• Url-loader

npm install --save-dev url-loadr

module: {  loaders: [    {test: /\.(jpg|png)$/, loader: "url?limit=8192"},  ]}

Iv. document processing of loaders

• File-loader

npm install --save-dev file-loader

module: {  loaders: [    {      test: /\.(png|jpg|jpeg|gif|svg|woff|woff2|ttf|eot)$/, loader: ‘file‘ }, ]}

V. Loaders's JSON processing

• Json-loader

npm install --save-dev json-loader

module: {  loaders: [    {test: /\.json$/,loader: ‘json‘},  ]}

Vi. HTML processing of loaders

• Raw-loader

npm install --save-dev raw-loader

module: {  loaders: [    { test: /\.html$/,loader: ‘raw‘},  ]}

The loader chapter of Webpack Advanced