makestatic-preset-optimize/index.js

Optimize lifecycle preset

/**
 *  Configures standard plugins for the optimize lifecycle phase.
 *
 *  Plugins are configured with sensible default values but you can override
 *  the configuration when necessary.
 *
 *  @function preset
 *  @param {Object} options plugin options.
 *
 *  @option {Object} [test] map of file test patterns.
 *  @option {Object} [html] options for the `optimize-html` plugin.
 *  @option {Object} [css] options for the `optimize-css` plugin.
 *  @option {Object} [js] options for the `optimize-js` plugin.
 *  @option {Object} [image] options for the `optimize-image` plugin.
 *  @option {Object} [inline] options for inline script and style compression.
 *  @option {Object} [exclude] map of excludes.
 *
 *  @see /docs/api/optimize-html/ Optimize HTML
 *  @see /docs/api/optimize-css/ Optimize CSS
 *  @see /docs/api/optimize-js/ Optimize JS
 *  @see /docs/api/optimize-image/ Optimize Image
 */
module.exports = function preset (options = {}) {
  let test = options.test || {}

  const exclude = options.exclude || {}

  // configuration for inline css and javascript optimization
  options.inline = options.inline || {}

  options.css = options.css || {}
  options.js = options.js || {}
  options.image = options.image || {}

  options.html = options.html || {
    removeComments: true,
    collapseInlineTagWhitespace: true,
    collapseWhitespace: true,
    conservativeCollapse: true,
    minifyCSS: options.inline.css || true,
    minifyJS: options.inline.js || true
  }

  // configuration for optimize lifecycle
  const optimizers = [
    {
      test: test.html,
      plugin: require('makestatic-optimize-html'),
      exclude: exclude.html,
      options: options.html
    },
    {
      test: test.css,
      plugin: require('makestatic-optimize-css'),
      exclude: exclude.css,
      options: options.css
    },
    {
      test: test.js,
      plugin: require('makestatic-optimize-js'),
      exclude: exclude.js,
      options: options.js
    },
    {
      test: test.image,
      plugin: require('makestatic-optimize-image'),
      exclude: exclude.image,
      options: options.image
    }
  ]

  if (options.webp) {
    if (options.webp instanceof RegExp) {
      test.webp = options.webp
    }
    optimizers.push({
      test: test.webp,
      plugin: require('makestatic-optimize-webp'),
      exclude: exclude.webp,
      options: options.webp
    })
  }

  return optimizers;
}