fix(karma-webpack): disable optimization by default (`webpack >= v4…

….0.0`) (#325)
codymikol · Sep 1, 2018 · 51bdcaa · 51bdcaa
1 parent 3581cf9
commit 51bdcaa
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/karma-webpack.js b/src/karma-webpack.js
@@ -73,12 +73,21 @@ function Plugin(
     if (includeIndex) {
       webpackOptions.output.jsonpFunction = `webpackJsonp${index}`
     }
+
     if (!webpackOptions.output.filename) {
       webpackOptions.output.filename = '[name].js'
     }
+
     if (!webpackOptions.output.chunkFilename) {
       webpackOptions.output.chunkFilename = '[id].bundle.js'
     }
+
+    // For webpack 4+, optimization.splitChunks and optimization.runtimeChunk must be false.
+    // Otherwise it hangs at 'Compiled successfully'
+    if (webpackOptions.optimization) {
+      webpackOptions.optimization.splitChunks = false
+      webpackOptions.optimization.runtimeChunk = false
+    }
   })
 
   this.emitter = emitter