add exp release rollup config

Author: Feiyang1

packages/firestore/package.json

@@ -15,6 +15,7 @@
     "build:console": "node tools/console.build.js",
     "build:exp": "rollup -c rollup.config.exp.js",
     "build:lite": "rollup -c rollup.config.lite.js",
+    "build:exp:release": "rollup -c rollup.config.exp.release.js && rollup -c rollup.config.lite.release.js",
     "predev": "yarn prebuild",
     "dev": "rollup -c -w",
     "lint": "eslint -c .eslintrc.js '**/*.ts' --ignore-path '../../.gitignore'",

packages/firestore/rollup.config.exp.release.js

@@ -0,0 +1,99 @@
+/**
+ * @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 json from 'rollup-plugin-json';
+import alias from '@rollup/plugin-alias';
+import typescriptPlugin from 'rollup-plugin-typescript2';
+import typescript from 'typescript';
+import path from 'path';
+import { terser } from 'rollup-plugin-terser';
+import { importPathTransformer } from '../../scripts/exp/ts-transform-import-path';
+
+import {
+  firestoreTransformers,
+  generateAliasConfig,
+  manglePrivatePropertiesOptions,
+  resolveBrowserExterns,
+  resolveNodeExterns
+} from './rollup.shared';
+
+import pkg from './exp/package.json';
+
+const plugins = [
+  typescriptPlugin({
+    typescript,
+    tsconfigOverride: {
+      compilerOptions: {
+        target: 'es2017'
+      }
+    },
+    clean: true,
+    abortOnError: false
+  }),
+  json({ preferConst: true })
+];
+
+const minifiedPlugins = [
+  typescriptPlugin({
+    typescript,
+    tsconfigOverride: {
+      compilerOptions: {
+        target: 'es2017'
+      }
+    },
+    clean: true,
+    abortOnError: false,
+    transformers: [...firestoreTransformers, importPathTransformer]
+  }),
+  json({ preferConst: true }),
+  terser(manglePrivatePropertiesOptions)
+];
+
+const allBuilds = [
+  // Node build
+  {
+    input: './exp/index.ts',
+    output: {
+      file: path.resolve('./exp', pkg.main),
+      format: 'es'
+    },
+    plugins: [alias(generateAliasConfig('node')), ...plugins],
+    external: resolveNodeExterns
+  },
+  // Browser build
+  {
+    input: './exp/index.ts',
+    output: {
+      file: path.resolve('./exp', pkg.browser),
+      format: 'es'
+    },
+    plugins: [alias(generateAliasConfig('browser')), ...minifiedPlugins],
+    external: resolveBrowserExterns
+  },
+  // RN build
+  {
+    input: './exp/index.ts',
+    output: {
+      file: path.resolve('./exp', pkg['react-native']),
+      format: 'es'
+    },
+    plugins: [alias(generateAliasConfig('rn')), ...minifiedPlugins],
+    external: resolveBrowserExterns
+  }
+];
+
+export default allBuilds;

packages/firestore/rollup.config.lite.release.js

@@ -0,0 +1,99 @@
+/**
+ * @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 json from 'rollup-plugin-json';
+import alias from '@rollup/plugin-alias';
+import typescriptPlugin from 'rollup-plugin-typescript2';
+import typescript from 'typescript';
+import { terser } from 'rollup-plugin-terser';
+import { importPathTransformer } from '../../scripts/exp/ts-transform-import-path';
+
+import {
+  resolveNodeExterns,
+  generateAliasConfig,
+  resolveBrowserExterns,
+  firestoreTransformers,
+  manglePrivatePropertiesOptions
+} from './rollup.shared';
+
+import pkg from './lite/package.json';
+import path from 'path';
+
+const plugins = [
+  typescriptPlugin({
+    typescript,
+    tsconfigOverride: {
+      compilerOptions: {
+        target: 'es2017'
+      }
+    },
+    clean: true,
+    abortOnError: false
+  }),
+  json({ preferConst: true })
+];
+
+const minifiedPlugins = [
+  typescriptPlugin({
+    typescript,
+    tsconfigOverride: {
+      compilerOptions: {
+        target: 'es2017'
+      }
+    },
+    clean: true,
+    abortOnError: false,
+    transformers: [...firestoreTransformers, importPathTransformer]
+  }),
+  json({ preferConst: true }),
+  terser(manglePrivatePropertiesOptions)
+];
+
+const allBuilds = [
+  // Node build
+  {
+    input: './lite/index.ts',
+    output: {
+      file: path.resolve('./lite', pkg.main),
+      format: 'es'
+    },
+    plugins: [alias(generateAliasConfig('node')), ...plugins],
+    external: resolveNodeExterns
+  },
+  // Browser build
+  {
+    input: './lite/index.ts',
+    output: {
+      file: path.resolve('./lite', pkg.browser),
+      format: 'es'
+    },
+    plugins: [alias(generateAliasConfig('browser')), ...minifiedPlugins],
+    external: resolveBrowserExterns
+  },
+  // RN build
+  {
+    input: './lite/index.ts',
+    output: {
+      file: path.resolve('./lite', pkg['react-native']),
+      format: 'es'
+    },
+    plugins: [alias(generateAliasConfig('rn')), ...minifiedPlugins],
+    external: resolveBrowserExterns
+  }
+];
+
+export default allBuilds;

scripts/exp/prepare-firestore-for-exp-release.ts

@@ -25,12 +25,7 @@ const packagePath = `${projectRoot}/packages/firestore`;
 // Prepare @firebase/firestore, so scripts/exp/release.ts can be used to release it
 export async function prepare() {
   // Build exp and lite packages
-  await spawn('yarn', ['build:exp'], {
-    cwd: packagePath,
-    stdio: 'inherit'
-  });
-
-  await spawn('yarn', ['build:lite'], {
+  await spawn('yarn', ['build:exp:release'], {
     cwd: packagePath,
     stdio: 'inherit'
   });