styles-postprocessor-plugin

This plugin listens for webpack after-emit event and apply the power of PostCSS to the output css files.

const StylesPostprocessorPlugin = require('styles-postprocessor-plugin');

const webpackConfig = {
  // some config
  plugins: [
    new StylesPostprocessorPlugin({
      root: 'string', // absolute path, default process.cwd()
      output: 'string', // absolute or relative path
      filter: function (data) {
        return data; // work with the content of the .css file
      },
      plugins: [] // postCss plugins
    })
  ]
};