Missing imports

Author: schmidt-sebastian

packages/firestore/rollup.config.node.memory.js

@@ -16,6 +16,8 @@
  */
 
 import * as path from 'path';
+import replace from 'rollup-plugin-replace';
+import copy from 'rollup-plugin-copy-assets';
 import memoryPkg from './memory/package.json';
 
 const util = require('./rollup.shared');