From 038ed9ad46ac52a7ab5f2d86f6e48b392f0fb4d9 Mon Sep 17 00:00:00 2001
From: winniehell <git@winniehell.de>
Date: Wed, 15 Feb 2017 23:39:45 +0100
Subject: [PATCH] Move babel config for instanbul to karma config (!9286)

---
 changelogs/unreleased/instrument-in-karma.yml |  4 ++++
 config/karma.config.js                        | 11 +++++++++++
 config/webpack.config.js                      |  1 -
 3 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 changelogs/unreleased/instrument-in-karma.yml

diff --git a/changelogs/unreleased/instrument-in-karma.yml b/changelogs/unreleased/instrument-in-karma.yml
new file mode 100644
index 00000000000..cfabf2569fe
--- /dev/null
+++ b/changelogs/unreleased/instrument-in-karma.yml
@@ -0,0 +1,4 @@
+---
+title: Move babel config for instanbul to karma config
+merge_request: 9286
+author: winniehell
diff --git a/config/karma.config.js b/config/karma.config.js
index a1fbeab1f46..a16e2d2077f 100644
--- a/config/karma.config.js
+++ b/config/karma.config.js
@@ -2,6 +2,17 @@ var path = require('path');
 var webpackConfig = require('./webpack.config.js');
 var ROOT_PATH = path.resolve(__dirname, '..');
 
+// add coverage instrumentation to babel config
+if (webpackConfig && webpackConfig.module && webpackConfig.module.rules) {
+  var babelConfig = webpackConfig.module.rules.find(function (rule) {
+    return rule.loader === 'babel-loader';
+  });
+
+  babelConfig.options = babelConfig.options || {};
+  babelConfig.options.plugins = babelConfig.options.plugins || [];
+  babelConfig.options.plugins.push('istanbul');
+}
+
 // Karma configuration
 module.exports = function(config) {
   config.set({
diff --git a/config/webpack.config.js b/config/webpack.config.js
index e63775e43ce..ac117522005 100644
--- a/config/webpack.config.js
+++ b/config/webpack.config.js
@@ -54,7 +54,6 @@ var config = {
         exclude: /(node_modules|vendor\/assets)/,
         loader: 'babel-loader',
         options: {
-          plugins: IS_PRODUCTION ? [] : ['istanbul'],
           presets: [
             ["es2015", {"modules": false}],
             'stage-2'
-- 
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