Use terser

Author: schmidt-sebastian

packages/firestore/rollup.config.es.js

@@ -20,6 +20,7 @@ import * as path from 'path';
 import typescriptPlugin from 'rollup-plugin-typescript2';
 import sourcemaps from 'rollup-plugin-sourcemaps';
 import typescript from 'typescript';
+import { terser } from 'rollup-plugin-terser';
 
 import pkg from './package.json';
 import memoryPkg from './memory/package.json';
@@ -40,7 +41,7 @@ function resolveNodeExterns(id) {
   return nodeDeps.some(dep => id === dep || id.startsWith(`${dep}/`));
 }
 
-const es5BuildPlugins = [
+const plugins = [
   typescriptPlugin({
     typescript,
     compilerOptions: {
@@ -51,13 +52,21 @@ const es5BuildPlugins = [
       "dist/*.js"
     ],
   }),
+  terser({
+    output: {
+      comments: 'all',
+      beautify: true
+    },
+    mangle: {}
+  }),
+  sourcemaps()
 ];
 
 const browserBuilds = [
   {
     input: pkg.esm2017,
     output: { file: pkg.module, format: 'es', sourcemap: true },
-    plugins: es5BuildPlugins,
+    plugins: plugins,
     external: resolveBrowserExterns
   },
   {
@@ -67,13 +76,13 @@ const browserBuilds = [
       format: 'es',
       sourcemap: true
     },
-    plugins: es5BuildPlugins,
+    plugins: plugins,
     external: resolveBrowserExterns
   },
   {
     input: pkg.esm2017,
     output: { file: pkg.browser, format: 'cjs', sourcemap: true },
-    plugins: [sourcemaps()],
+    plugins: plugins,
     external: resolveBrowserExterns
   },
   {
@@ -83,7 +92,7 @@ const browserBuilds = [
       format: 'cjs',
       sourcemap: true
     },
-    plugins: [sourcemaps()],
+    plugins: plugins,
     external: resolveBrowserExterns
   }
 ];
@@ -92,7 +101,7 @@ const nodeBuilds = [
   {
     input: pkg.mainES2017,
     output: [{ file: pkg.main, format: 'cjs', sourcemap: true }],
-    plugins: [sourcemaps()],
+    plugins: plugins,
     external: resolveNodeExterns
   },
   {
@@ -104,7 +113,7 @@ const nodeBuilds = [
         sourcemap: true
       }
     ],
-    plugins: [sourcemaps()],
+    plugins: plugins,
     external: resolveNodeExterns
   }
 ];