build.js

/**
 * @license
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const esbuild = require('esbuild');

(async () => {
  await esbuild.build({
    entryPoints: ['src/index.css'],
    bundle: true,
    outfile: 'lib/index.css.txt',
  });

  await esbuild.build({
    entryPoints: ['src/index.ts'],
    bundle: true,
    outfile: 'dist/manager.dev.js',
    format: 'esm',
  });
  await esbuild.build({
    entryPoints: ['src/index.ts'],
    bundle: true,
    outfile: 'dist/manager.min.js',
    format: 'esm',
    minify: true,
  });
})();