Function getBrowserBundleConfigOptions

rollup.config.helpers.js:31–114

(
    config, name, fileName, preamble, visualize, ci, terserExtraOptions = {})

 * @param {object} terserExtraOptions is any extra options passed to terser
 */
export function getBrowserBundleConfigOptions(
    config, name, fileName, preamble, visualize, ci, terserExtraOptions = {}) {
  const bundles = [];

  const terserPlugin =
      terser({output: {preamble, comments: false}, ...terserExtraOptions});
  const extend = true;
  const umdFormat = 'umd';
  const fesmFormat = 'es';

  // UMD ES5 minified
  bundles.push(config({
    plugins: [terserPlugin],
    output: {
      format: umdFormat,
      name,
      extend,
      file: `dist/${fileName}.min.js`,
      freeze: false
    },
    tsCompilerOptions: {target: 'es5'},
    visualize
  }));

  if (ci) {
    // In CI we do not build all the possible bundles.
    return bundles;
  }

  // UMD ES5 unminified
  bundles.push(config({
    output: {
      format: umdFormat,
      name,
      extend,
      file: `dist/${fileName}.js`,
      freeze: false
    },
    tsCompilerOptions: {target: 'es5'}
  }));

  // UMD ES2017
  bundles.push(config({
    output:
        {format: umdFormat, name, extend, file: `dist/${fileName}.es2017.js`},
    tsCompilerOptions: {target: 'es2017'}
  }));

  // UMD ES2017 minified
  bundles.push(config({
    plugins: [terserPlugin],
    output: {
      format: umdFormat,
      name,
      extend,
      file: `dist/${fileName}.es2017.min.js`
    },
    tsCompilerOptions: {target: 'es2017'},