feat(build): Add rollup config for google3 modular typings

Author: eranc-google

packages/analytics/package.json

@@ -49,6 +49,7 @@
   "devDependencies": {
     "@firebase/app": "0.13.1",
     "rollup": "2.79.2",
+    "rollup-plugin-dts": "6.1.0",
     "@rollup/plugin-commonjs": "21.1.0",
     "@rollup/plugin-json": "6.1.0",
     "@rollup/plugin-node-resolve": "16.0.0",

packages/analytics/rollup.config.js

@@ -19,6 +19,7 @@ import json from '@rollup/plugin-json';
 import typescriptPlugin from 'rollup-plugin-typescript2';
 import replace from 'rollup-plugin-replace';
 import typescript from 'typescript';
+import dts from 'rollup-plugin-dts';
 import { generateBuildTargetReplaceConfig } from '../../scripts/build/rollup_replace_build_target';
 import { emitModulePackageFile } from '../../scripts/build/rollup_emit_module_package_file';
 import pkg from './package.json';
@@ -77,4 +78,17 @@ const cjsBuilds = [
   }
 ];
 
-export default [...esmBuilds, ...cjsBuilds];
+const google3TypingsBuild = {
+  input: 'dist/src/index.d.ts',
+  output: {
+    file: 'dist/esm/src/global_index.d.ts',
+    format: 'es'
+  },
+  plugins: [
+    dts({
+      respectExternal: true
+    })
+  ]
+};
+
+export default [...esmBuilds, ...cjsBuilds, google3TypingsBuild];

packages/remote-config/package.json

@@ -50,6 +50,7 @@
   "devDependencies": {
     "@firebase/app": "0.13.1",
     "rollup": "2.79.2",
+    "rollup-plugin-dts": "6.1.0",
     "rollup-plugin-typescript2": "0.36.0",
     "typescript": "5.5.4"
   },

packages/remote-config/rollup.config.js

@@ -19,6 +19,7 @@ import json from '@rollup/plugin-json'; // Enables package.json import in TypeSc
 import typescriptPlugin from 'rollup-plugin-typescript2';
 import replace from 'rollup-plugin-replace';
 import typescript from 'typescript';
+import dts from 'rollup-plugin-dts';
 import { generateBuildTargetReplaceConfig } from '../../scripts/build/rollup_replace_build_target';
 import { emitModulePackageFile } from '../../scripts/build/rollup_emit_module_package_file';
 import pkg from './package.json';
@@ -70,4 +71,19 @@ const cjsBuild = {
   ]
 };
 
-export default [esmBuild, cjsBuild];
+
+const google3TypingsBuild = {
+  input: 'dist/src/index.d.ts',
+  output: {
+    file: 'dist/esm/src/global_index.d.ts',
+    format: 'es'
+  },
+  plugins: [
+    dts({
+      respectExternal: true
+    })
+  ]
+};
+
+
+export default [esmBuild, cjsBuild, google3TypingsBuild];