From 3b8308c8d8a0e1620990696ae59b28e11784a425 Mon Sep 17 00:00:00 2001
From: Dmitriy Schekhovtsov <valorkin@gmail.com>
Date: Sun, 20 Aug 2017 18:45:44 +0300
Subject: [PATCH] fix(test): fix test coverage when testing linked libs

---
 packages/@angular/cli/models/webpack-configs/test.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/@angular/cli/models/webpack-configs/test.ts b/packages/@angular/cli/models/webpack-configs/test.ts
index 29053597520e..6405b8b8afad 100644
--- a/packages/@angular/cli/models/webpack-configs/test.ts
+++ b/packages/@angular/cli/models/webpack-configs/test.ts
@@ -42,6 +42,7 @@ export function getTestConfig(testConfig: WebpackTestOptions) {
 
     extraRules.push({
       test: /\.(js|ts)$/, loader: 'istanbul-instrumenter-loader',
+      options: { esModules: true },
       enforce: 'post',
       exclude
     });