Mangling for Browser builds

Author: schmidt-sebastian

packages/firestore/rollup.config.es.js

@@ -26,7 +26,7 @@ import { resolveNodeExterns, resolveBrowserExterns } from './rollup.shared';
 import pkg from './package.json';
 import memoryPkg from './memory/package.json';
 
-const plugins = [
+const browserPlugins = [
   typescriptPlugin({
     typescript,
     compilerOptions: {
@@ -40,7 +40,7 @@ const plugins = [
       comments: 'all',
       beautify: true
     },
-    mangle: false
+    mangle: true
   }),
   sourcemaps()
 ];
@@ -49,7 +49,7 @@ const browserBuilds = [
   {
     input: pkg.esm2017,
     output: { file: pkg.module, format: 'es', sourcemap: true },
-    plugins: plugins,
+    plugins: browserPlugins,
     external: resolveBrowserExterns
   },
   {
@@ -59,13 +59,13 @@ const browserBuilds = [
       format: 'es',
       sourcemap: true
     },
-    plugins: plugins,
+    plugins: browserPlugins,
     external: resolveBrowserExterns
   },
   {
     input: pkg.esm2017,
     output: { file: pkg.browser, format: 'cjs', sourcemap: true },
-    plugins: plugins,
+    plugins: browserPlugins,
     external: resolveBrowserExterns
   },
   {
@@ -75,16 +75,35 @@ const browserBuilds = [
       format: 'cjs',
       sourcemap: true
     },
-    plugins: plugins,
+    plugins: browserPlugins,
     external: resolveBrowserExterns
   }
 ];
 
+const nodePlugins = [
+  typescriptPlugin({
+    typescript,
+    compilerOptions: {
+      allowJs: true,
+      importHelpers: true
+    },
+    include: ['dist/*.js']
+  }),
+  terser({
+    output: {
+      comments: 'all',
+      beautify: true
+    },
+    mangle: false
+  }),
+  sourcemaps()
+];
+
 const nodeBuilds = [
   {
     input: pkg.mainES2017,
     output: [{ file: pkg.main, format: 'cjs', sourcemap: true }],
-    plugins: plugins,
+    plugins: nodePlugins,
     external: resolveNodeExterns
   },
   {
@@ -96,7 +115,7 @@ const nodeBuilds = [
         sourcemap: true
       }
     ],
-    plugins: plugins,
+    plugins: nodePlugins,
     external: resolveNodeExterns
   }
 ];