rucksack-css/index.js

const postcss = require('postcss');

const PLUGINS = [
    {
      option: 'alias',
      module: require('postcss-alias')
    },
    {
      option: 'responsiveType',
      module: require('postcss-responsive-type')
    },
    {
      option: 'shorthandPosition',
      module: require('postcss-position')
    },
    {
      option: 'quantityQueries',
      module: require('postcss-quantity-queries')
    },
    {
      option: 'inputPseudo',
      module: require('postcss-input-style')
    },
    {
      option: 'clearFix',
      module: require('postcss-clearfix')
    },
    {
      option: 'fontPath',
      module: require('postcss-fontpath')
    },
    {
      option: 'hexRGBA',
      module: require('postcss-hexrgba')
    },
    {
      option: 'easings',
      module: require('postcss-easings')
    },
    {
      option: 'fallbacks',
      module: require('laggard')
    },
    {
      option: 'autoprefixer',
      module: require('autoprefixer')
    },
    {
      option: 'reporter',
      module: require('postcss-reporter')
    }
  ],
  DEFAULTS = {
    alias: true,
    responsiveType: true,
    shorthandPosition: true,
    quantityQueries: true,
    inputPseudo: true,
    clearFix: true,
    fontPath: true,
    hexRGBA: true,
    easings: true,
    autoprefixer: false,
    fallbacks: false,
    reporter: false
  };

// Export plugin bundle
module.exports = postcss.plugin('rucksack', opts => {
  opts = opts || {};

  let config = Object.assign({}, DEFAULTS, opts),
    bundle = postcss();

  PLUGINS.forEach(plugin => {
    config[plugin.option] && bundle.use(plugin.module);
  });

  return bundle;
});