From 9b31ae55f5ac0897aa93bb5c360f58064da4b97b Mon Sep 17 00:00:00 2001
From: Charles Lyding <19598772+clydin@users.noreply.github.com>
Date: Fri, 16 Mar 2018 19:03:33 -0400
Subject: [PATCH] fix(@angular-devkit/build-webpack): workaround ES2015
 minifier inlining defect

---
 .../src/angular-cli-files/models/webpack-configs/common.ts     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/angular_devkit/build_webpack/src/angular-cli-files/models/webpack-configs/common.ts b/packages/angular_devkit/build_webpack/src/angular-cli-files/models/webpack-configs/common.ts
index ea02bd4561..ee109e29d6 100644
--- a/packages/angular_devkit/build_webpack/src/angular-cli-files/models/webpack-configs/common.ts
+++ b/packages/angular_devkit/build_webpack/src/angular-cli-files/models/webpack-configs/common.ts
@@ -294,6 +294,9 @@ export function getCommonConfig(wco: WebpackConfigOptions) {
               // PURE comments work best with 3 passes.
               // See https://github.com/webpack/webpack/issues/2899#issuecomment-317425926.
               passes: buildOptions.buildOptimizer ? 3 : 1,
+              // Workaround known uglify-es issue
+              // See https://github.com/mishoo/UglifyJS2/issues/2949#issuecomment-368070307
+              inline: wco.supportES2015 ? 1 : 3,
             },
             output: {
               ascii_only: true,