firebase-js-sdk/packages/webchannel-wrapper/rollup.config.js

/**
 * @license
 * Copyright 2024 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
 *
 *   http://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.
 */

import { join } from 'path';
import copy from 'rollup-plugin-copy';
import commonjs from '@rollup/plugin-commonjs';
import typescriptPlugin from 'rollup-plugin-typescript2';
import typescript from 'typescript';
import { emitModulePackageFile } from '../../scripts/build/rollup_emit_module_package_file.js';
import pkg from './package.json' with { type: 'json' };

const closureBlobsDir = '../../node_modules/closure-net/firebase/';

const buildPlugins = [
  copy({
    targets: [
      {
        src: join(closureBlobsDir, 'webchannel_blob_*.*'),
        dest: 'dist/webchannel-blob'
      },
      { src: join(closureBlobsDir, 'bloom_blob_*.*'), dest: 'dist/bloom-blob' }
    ]
  }),
  typescriptPlugin({
    typescript,
    tsconfigOverride: {
      compilerOptions: {
        target: 'es2020'
      }
    }
  }),
  commonjs()
];

/**
 * ESM builds
 */
const esmBuilds = [
  {
    input: join(closureBlobsDir, 'webchannel_blob_es2018.js'),
    output: {
      file: pkg.exports['./webchannel-blob'].default,
      format: 'es',
      sourcemap: true
    },
    plugins: [...buildPlugins, emitModulePackageFile()]
  },
  {
    input: join(closureBlobsDir, 'bloom_blob_es2018.js'),
    output: {
      file: pkg.exports['./bloom-blob'].default,
      format: 'es',
      sourcemap: true
    },
    plugins: [...buildPlugins, emitModulePackageFile()]
  }
];

export default esmBuilds;