fusion-cli/lib/compression/zopfli-webpack-plugin.js

CLI

/** Copyright (c) 2018 Uber Technologies, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

/* eslint-env node */

// gzip compressor

const CompressionPlugin = require('compression-webpack-plugin');
const gzip = require('@gfx/zopfli').gzip;

module.exports = new CompressionPlugin({
  filename: '[path].gz',
  algorithm: (buf, _, callback) =>
    gzip(
      buf,
      {
        numiterations: 15,
        blocksplitting: true,
      },
      callback
    ),
  test: /\.js$/,
  threshold: 0,
  minRatio: 1,
});