@lucasmotta/extract-text-webpack-plugin
Extract text from bundle into a file.
Last updated 3 years ago by lucasmotta .
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extract text plugin for webpack

Includes the fix to OrderUndefinedError for webpack 1

Usage example with css

var ExtractTextPlugin = require("extract-text-webpack-plugin");
module.exports = {
	module: {
		loaders: [
			{ test: /\.css$/, loader: ExtractTextPlugin.extract("style-loader", "css-loader") }
		]
	},
	plugins: [
		new ExtractTextPlugin("styles.css")
	]
}

It moves every require("style.css") in entry chunks into a separate css output file. So your styles are no longer inlined into the javascript, but separate in a css bundle file (styles.css). If your total stylesheet volume is big, it will be faster because the stylesheet bundle is loaded in parallel to the javascript bundle.

Advantages:

  • Fewer style tags (older IE has a limit)
  • CSS SourceMap (with devtool: "source-map" and css-loader?sourceMap)
  • CSS requested in parallel
  • CSS cached separate
  • Faster runtime (less code and DOM operations)

Caveats:

  • Additional HTTP request
  • Longer compilation time
  • More complex configuration
  • No runtime public path modification
  • No Hot Module Replacement

API

new ExtractTextPlugin([id: string], filename: string, [options])
  • id Unique ident for this plugin instance. (For advanded usage only, by default automatic generated)
  • filename the filename of the result file. May contain [name], [id] and [contenthash].
    • [name] the name of the chunk
    • [id] the number of the chunk
    • [contenthash] a hash of the content of the extracted file
  • options
    • allChunks extract from all additional chunks too (by default it extracts only from the initial chunk(s))
    • disable disables the plugin

The ExtractTextPlugin generates an output file per entry, so you must use [name], [id] or [contenthash] when using multiple entries.

ExtractTextPlugin.extract([notExtractLoader], loader, [options])

Creates an extracting loader from an existing loader.

  • notExtractLoader (optional) the loader(s) that should be used when the css is not extracted (i.e. in an additional chunk when allChunks: false)
  • loader the loader(s) that should be used for converting the resource to a css exporting module.
  • options
    • publicPath override the publicPath setting for this loader.

There is also an extract function on the instance. You should use this if you have more than one ExtractTextPlugin.

let ExtractTextPlugin = require('extract-text-webpack-plugin');

// multiple extract instances
let extractCSS = new ExtractTextPlugin('stylesheets/[name].css');
let extractLESS = new ExtractTextPlugin('stylesheets/[name].less');

module.exports = {
  ...
  module: {
    loaders: [
      {test: /\.scss$/i, loader: extractCSS.extract(['css','sass'])},
      {test: /\.less$/i, loader: extractLESS.extract(['css','less'])},
      ...
    ]
  },
  plugins: [
    extractCSS,
    extractLESS
  ]
};

License

MIT (http://www.opensource.org/licenses/mit-license.php)

Current Tags

  • 1.0.1                                ...           latest (3 years ago)

1 Versions

  • 1.0.1                                ...           3 years ago
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