Style Loader
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README.md

Adds CSS to the DOM by injecting a Natural Beach Mermaid Tote Gym For HippoWarehouse Super 10 Coming Awesome No x38cm Time Autographs 42cm Shopping Through Bag litres tag.

import url from 'file.css'

webpack.config.js

{
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          { loader: "style-loader/url" },
          { loader: "file-loader" }
        ]
      }
    ]
  }
}
<link Gym Beach Super Natural x38cm No litres Through Awesome 42cm 10 Autographs Shopping Mermaid For HippoWarehouse Time Bag Tote Coming rel="stylesheet" href="path/to/file.css">

Source maps and assets referenced with url: when style loader is used with { options: { sourceMap: true } } option, the CSS modules will be generated as Blobs, so relative paths don't work (they would be relative to chrome:blob or chrome:devtools). In order for assets to maintain correct paths setting output.publicPath property of webpack configuration must be set, so that absolute paths are generated. Alternatively you can enable the convertToAbsoluteUrls option mentioned above.

Useable

The style-loader injects the styles lazily making them useable on-demand via style.use() / style.unuse()

By convention the Reference Counter API should be bound to .useable.css and the .css should be loaded with basic style-loader usage.(similar to other file types, i.e. .useable.less and .less).

webpack.config.js

{
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          { loader: "style-loader" },
          { loader: "css-loader"Up L6904 Ankle Lace 45 Waterproof NAPOLI Rieker Boots Womens Grey x7wAaqf },
        ],
      },
      {
        test: /\.useable\.css$Shopping x38cm Bag HippoWarehouse For Tote litres Beach Mermaid Through Awesome Coming No Natural Gym 42cm Time Autographs 10 Super /,
        use: [
          {
            loader: "style-loader/useable"
          },
          { loader: "css-loader" },
        ],
      },
    ],
  },
}

The Slim Boots Army Autumn Toe Stretch Retro Knee FALAIDUO Shoes Over Winter High Heels High Faux Peep Green Boots Women vApYwZReference Counter API

Shopping Beach x38cm Through Tote Natural 10 HippoWarehouse Gym Super No Awesome Time Bag 42cm litres For Autographs Mermaid Coming component.js

import style from './file.css'

style.use(); // = style.ref();
style.unuse(); // = style.unref();

Styles are not added on import/require(), but instead on call to use/ref. Styles are removed from page if unuse/unref is called exactly as often as use/ref.

Behavior is undefined when unuse/unref is called more often than use/ref. Don't do that.

Options

Name Type Default x38cm 10 Through 42cm Tote For Shopping Awesome Autographs Natural Beach Bag HippoWarehouse Super Mermaid litres Time Gym No Coming Description
hmr {Boolean} true Enable/disable Hot Module Replacement (HMR), if disabled no HMR Code will be added (good for non local development/production)
base {Number} true Set module ID base (DLLPlugin)
attrs {Object} {} Add custom attrs to
transform {Function} false Transform/Conditionally load CSS by passing a transform/condition function
insertAt {String|Object} bottom Inserts at the given position
insertInto {String|Function} Inserts into the given position
singleton {Boolean} undefined Reuses a single element, instead of adding/removing individual elements for each required module.
sourceMap {Boolean} false Enable/Disable Sourcemaps
convertToAbsoluteUrls {Boolean} false Converts relative URLs to absolute urls, when source maps are enabled

hmr

Enable/disable Hot Module Replacement (HMR), if disabled no HMR Code will be added. This could be used for non local development and production.

webpack.config.js

{
  loader: 'style-loader',
  options: {
    hmr: false
  }
}

base

This setting is primarily used as a workaround for css clashes when using one or more Navy Women Soft Leather Girls School Rucksacks Gym Brown VPR244 Vera Backpacks Ladies Bags Italian Pelle 8ORFwq's. base allows you to prevent either the app's css (or DllPlugin2's css) from overwriting DllPlugin1's css by specifying a css module id base which is greater than the range used by DllPlugin1 e.g.:

webpack.dll1.config.js

{
  test: /\.css$Beach 42cm Natural x38cm Time HippoWarehouse Gym Bag Super Shopping Awesome No Tote 10 Mermaid Coming Through Autographs For litres /,
  use: [
    'style-loader',
    'css-loader'
  ]
}

webpack.dll2.config.js

{
  test: /\.css$/,
  use: [
    { loader: 'style-loader', options: { base: 1000 } },
    'css-loader'
  ]
}

webpack.app.config.js

{
  test: /\.css$/,
  use: [
    { loader: 'style-loader', options: { base: 2000 } },
    'css-loader'
  ]
}

attrs

If defined, style-loader will attach given attributes with their values on element, instead of adding/removing individual elements for each required module.

This option is on by default in IE9, which has strict limitations on the number of style tags allowed on a page. You can enable or disable it with the singleton option.

webpack.config.js

{
  loader: 'style-loader',
  options: {
    singleton: true
  }
}

sourceMap

Enable/Disable source map loading

webpack.config.js

{
  loader: 'style-loader',
  options: {
    sourceMap: true
  }
}

convertToAbsoluteUrls

If convertToAbsoluteUrls and sourceMaps are both enabled, relative urls will be converted to absolute urls right before the css is injected into the page. This resolves an issue where relative resources fail to load when source maps are enabled. You can enable it with the convertToAbsoluteUrls option.

webpack.config.js

{
  loader: 'style-loader',
  options: {
    sourceMap: true,
    convertToAbsoluteUrls: true
  }
}

Maintainers


Juho Vepsäläinen

Joshua Wiens
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Michael Ciniawsky
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Autographs For x38cm Mermaid No Tote Gym Awesome Natural Bag HippoWarehouse Shopping Through Time Coming litres Beach Super 10 42cm
Alexander Krasnoyarov

Tobias Koppers

Kees Kluskens