From ddf161d922907028dbcdb5f1fa9370a54847b4f4 Mon Sep 17 00:00:00 2001
From: Ryan Clark <ryan@ryanclark.me>
Date: Sat, 1 Sep 2018 04:36:55 +0100
Subject: [PATCH] fix(karma-webpack): `compilation` hangs when adding a file
 (#345)

---
 src/karma-webpack.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/karma-webpack.js b/src/karma-webpack.js
index 4e9d13a..e65e344 100644
--- a/src/karma-webpack.js
+++ b/src/karma-webpack.js
@@ -228,9 +228,12 @@ Plugin.prototype.notifyKarmaAboutChanges = function() {
 
 Plugin.prototype.addFile = function(entry) {
   if (this.files.indexOf(entry) >= 0) {
-    return;
+    return false;
   }
+
   this.files.push(entry);
+
+  return true;
 };
 
 Plugin.prototype.make = function(compilation, callback) {