// webpack.config.js example

var CriticalPlugin = require('critical-plugin');

module.exports = {
  // ...

  plugins: [
    // ... other plugins
    
    new CritialPlugin()
  ]
  // ...
}

// webpack.config.js example

var CriticalPlugin = require('critical-plugin');

var criticalOptions = {
    // Inline the generated critical-path CSS
    // - true generates HTML
    // - false generates CSS
    inline: true,

    // Viewport width
    width: 1300,

    // Viewport height
    height: 900,

    // Minify critical-path CSS when inlining
    minify: true,

    // Extract inlined styles from referenced stylesheets
    extract: true,

    // Complete Timeout for Operation
    timeout: 30000,

    // Prefix for asset directory
    pathPrefix: '/MySubfolderDocrot',

    // ignore CSS rules
    ignore: ['font-face',/some-regexp/],

    // overwrite default options
    ignoreOptions: {}
};

module.exports = {
  // ...

  plugins: [
    // ... other plugins
    
    new CritialPlugin({ critical: criticalOptions })
  ]
  // ...
}