fix(karma): add retainLines to babelPreprocessor

When a test fails under Karma the console stacktrace contains incorrect line numbers making debugging impossible. Applying fix manually as described in chriscasola/karma@67d1cfe closes #670
aurelia · Jul 12, 2019 · 20de140 · 20de140
1 parent ea994d1
commit 20de140
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/karma.conf.js b/karma.conf.js
@@ -36,6 +36,7 @@ module.exports = function(config) {
     'babelPreprocessor': {
       options: {
         sourceMap: 'inline',
+        retainLines: true,
         presets: [ 'es2015-loose', 'stage-1'],
         plugins: [
           'syntax-flow',