Merge branch 'master' into mct5263-enforce-max-nested-describe

babel.coverage.js

@@ -0,0 +1,9 @@
+// This is a Babel config that webpack.coverage.js uses in order to instrument
+// code with coverage instrumentation.
+const babelConfig = {
+    plugins: [['babel-plugin-istanbul', {
+        extension: ['.js', '.vue']
+    }]]
+};
+
+module.exports = babelConfig;

webpack.coverage.js

@@ -2,6 +2,7 @@
 // instrumentation using babel-plugin-istanbul (see babel.coverage.js)
 
 const config = require('./webpack.dev');
+const path = require('path');
 const vueLoaderRule = config.module.rules.find(r => r.use === 'vue-loader');
 // eslint-disable-next-line no-undef
 const CI = process.env.CI === 'true';
@@ -33,11 +34,8 @@ config.module.rules.push({
     use: {
         loader: 'babel-loader',
         options: {
-            retainLines: true,
             // eslint-disable-next-line no-undef
-            plugins: [['babel-plugin-istanbul', {
-                extension: ['.js', '.vue']
-            }]]
+            configFile: path.resolve(process.cwd(), 'babel.coverage.js')
         }
     }
 });