Disable optimization for webpack 4 (Fixes codymikol#322)

scottohara · May 5, 2018 · dc71a33 · dc71a33
1 parent 1ac16ea
commit dc71a33
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/karma-webpack.js b/src/karma-webpack.js
@@ -67,6 +67,13 @@ function Plugin(
       webpackOptions.output.jsonpFunction = `webpackJsonp${index}`
     }
     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