firebase-js-sdk/packages/firestore/rollup.config.lite.js

/**
 * @license
 * Copyright 2020 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 tmp from 'tmp';
import path from 'path';
import json from '@rollup/plugin-json';
import alias from '@rollup/plugin-alias';
import typescriptPlugin from 'rollup-plugin-typescript2';
import typescript from 'typescript';
import sourcemaps from 'rollup-plugin-sourcemaps';
import replace from 'rollup-plugin-replace';
import terser from '@rollup/plugin-terser';

import * as util from './rollup.shared.cjs';

import { generateBuildTargetReplaceConfig } from '../../scripts/build/rollup_replace_build_target.js';

const nodePlugins = [
  typescriptPlugin({
    typescript,
    cacheDir: tmp.dirSync().name,
    abortOnError: true,
    transformers: [util.removeAssertTransformer]
  }),
  json({ preferConst: true })
];

const browserPlugins = [
  typescriptPlugin({
    typescript,
    cacheDir: tmp.dirSync().name,
    abortOnError: true,
    transformers: [util.removeAssertAndPrefixInternalTransformer]
  }),
  json({ preferConst: true }),
  terser(util.manglePrivatePropertiesOptions),
  util.cleanupNameCache(util.manglePrivatePropertiesOptions.nameCache)
];

const allBuilds = [
  // Workaround for https://github.com/rollup/plugins/issues/1970
  // We invoke this intermediate browser build twice. The first
  // invocation will not properly mangle property names because of the
  // rollup/plugin-terser issue #1970, however it will output a nameCache
  // mapping all of the mangled names to new names. The second invocation
  // will use the nameCache from the first, and consistently mangle
  // all property names.
  //
  // This is the first invocation of the intermediate browser build.
  // It must run before any other build using `browserPlugins`.
  // TODO Remove this build when https://github.com/rollup/plugins/issues/1970 is fixed.
  {
    input: ['./lite/index.ts', './lite/pipelines/pipelines.ts'],
    output: {
      dir: 'dist/intermediate/lite/',
      entryFileNames: '[name].browser.js',
      chunkFileNames: 'common.browser.js',
      format: 'es',
      sourcemap: true
    },
    plugins: [
      alias(util.generateAliasConfig('browser_lite')),
      ...browserPlugins,
      // setting it to empty string because browser is the default env
      replace({
        '__RUNTIME_ENV__': ''
      })
    ],
    external: util.resolveBrowserExterns,
    treeshake: {
      moduleSideEffects: false
    }
  },
  // Intermediate Node ESM build without build target reporting
  // this is an intermediate build used to generate the actual esm and cjs builds
  // which add build target reporting
  {
    input: ['./lite/index.ts', './lite/pipelines/pipelines.ts'],
    output: {
      dir: 'dist/intermediate/lite/',
      entryFileNames: '[name].node.mjs',
      chunkFileNames: 'common-[hash].node.mjs',
      format: 'es',
      sourcemap: true
    },
    plugins: [
      alias(util.generateAliasConfig('node_lite')),
      ...nodePlugins,
      replace({
        '__RUNTIME_ENV__': 'node'
      })
    ],
    external: util.resolveNodeExterns,
    treeshake: {
      moduleSideEffects: false
    },
    onwarn: util.onwarn
  },
  // Node CJS build
  {
    input: [
      'dist/intermediate/lite/index.node.mjs',
      'dist/intermediate/lite/pipelines.node.mjs'
    ],
    output: {
      dir: 'dist/lite/',
      entryFileNames: '[name].cjs.js',
      chunkFileNames: 'common-[hash].node.cjs.js',
      format: 'cjs',
      esModule: true,
      sourcemap: true
    },
    plugins: [
      typescriptPlugin({
        typescript,
        compilerOptions: {
          allowJs: true
        },
        include: ['dist/lite/*.js']
      }),
      json(),
      sourcemaps(),
      replace(generateBuildTargetReplaceConfig('cjs', 2020))
    ],
    external: util.resolveNodeExterns,
    treeshake: {
      moduleSideEffects: false
    }
  },
  // Node ESM build
  {
    input: [
      'dist/intermediate/lite/index.node.mjs',
      'dist/intermediate/lite/pipelines.node.mjs'
    ],
    output: {
      dir: 'dist/lite/',
      entryFileNames: '[name].mjs',
      chunkFileNames: 'common-[hash].node.mjs',
      format: 'es',
      sourcemap: true
    },
    plugins: [
      sourcemaps(),
      replace(generateBuildTargetReplaceConfig('esm', 2020))
    ],
    external: util.resolveNodeExterns,
    treeshake: {
      moduleSideEffects: false
    }
  },
  // This is the second invocation of the intermediate browser build.
  // Keep this build when https://github.com/rollup/plugins/issues/1970 is fixed.
  //
  // Intermediate browser build without build target reporting
  // this is an intermediate build used to generate the actual esm and cjs builds
  // which add build target reporting
  {
    input: ['./lite/index.ts', './lite/pipelines/pipelines.ts'],
    output: {
      dir: 'dist/intermediate/lite/',
      entryFileNames: '[name].browser.js',
      chunkFileNames: 'common.browser.js',
      format: 'es',
      sourcemap: true
    },
    plugins: [
      alias(util.generateAliasConfig('browser_lite')),
      ...browserPlugins,
      // setting it to empty string because browser is the default env
      replace({
        '__RUNTIME_ENV__': ''
      })
    ],
    external: util.resolveBrowserExterns,
    treeshake: {
      moduleSideEffects: false
    }
  },
  // Convert es2020 build to CJS
  {
    input: [
      'dist/intermediate/lite/index.browser.js',
      'dist/intermediate/lite/pipelines.browser.js'
    ],
    output: [
      {
        dir: 'dist/lite/',
        entryFileNames: '[name].cjs.js',
        chunkFileNames: 'common-[hash].cjs.js',
        format: 'es',
        sourcemap: true
      }
    ],
    plugins: [
      sourcemaps(),
      replace(generateBuildTargetReplaceConfig('cjs', 2020))
    ],
    external: util.resolveBrowserExterns,
    treeshake: {
      moduleSideEffects: false
    }
  },
  // Browser es2020 build
  {
    input: [
      'dist/intermediate/lite/index.browser.js',
      'dist/intermediate/lite/pipelines.browser.js'
    ],
    output: [
      {
        dir: 'dist/lite/',
        entryFileNames: '[name].esm.js',
        chunkFileNames: 'common-[hash].esm.js',
        format: 'es',
        sourcemap: true
      }
    ],
    plugins: [
      sourcemaps(),
      replace(generateBuildTargetReplaceConfig('esm', 2020))
    ],
    external: util.resolveBrowserExterns,
    treeshake: {
      moduleSideEffects: false
    }
  },
  // RN build
  {
    input: ['./lite/index.ts', './lite/pipelines/pipelines.ts'],
    output: {
      dir: 'dist/lite/',
      entryFileNames: '[name].rn.esm.js',
      chunkFileNames: 'common-[hash].rn.esm.js',
      format: 'es',
      sourcemap: true
    },
    plugins: [
      alias(util.generateAliasConfig('rn_lite')),
      ...browserPlugins,
      replace({
        ...generateBuildTargetReplaceConfig('esm', 2020),
        '__RUNTIME_ENV__': 'rn'
      })
    ],
    external: util.resolveBrowserExterns,
    treeshake: {
      moduleSideEffects: false
    }
  }
];

export default allBuilds;