pass esModules flag for istanbul-instrumenter-loader

prebid · Jan 16, 2019 · 4f88aa6 · 4f88aa6
1 parent d626c73
commit 4f88aa6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/karma.conf.maker.js b/karma.conf.maker.js
@@ -20,7 +20,10 @@ function newWebpackConfig(codeCoverage) {
     webpackConfig.module.rules.push({
       enforce: 'post',
       exclude: /(node_modules)|(test)|(integrationExamples)|(build)|polyfill.js|(src\/adapters\/analytics\/ga.js)/,
-      loader: 'istanbul-instrumenter-loader',
+      use: {
+        loader: 'istanbul-instrumenter-loader',
+        options: { esModules: true }
+      },
       test: /\.js$/
     })
   }