Resolve "Chunk does not have associated output files" when chunk outputs include nonexecutable .map files

Author: clbond

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-ssr",
-  "version": "0.10.17",
+  "version": "0.10.18",
   "description": "Angular server-side rendering implementation",
   "main": "build/index.js",
   "typings": "build/index.d.ts",

source/application/compiler/webpack/loader.ts

@@ -21,12 +21,14 @@ export class WebpackModuleLoader implements ModuleLoader {
       throw new CompilerException(`Cannot find a webpack chunk with the name ${module.source}`);
     }
 
-    if (matchingChunk.files == null ||
-        matchingChunk.files.length !== 1) {
-      throw new CompilerException(`Chunk ${module.source} does not have associated output files`);
+    const js = (matchingChunk.files || []).filter(f => /\.js$/.test(f));
+    switch (js.length) {
+      case 0: throw new CompilerException(`Chunk ${module.source} does not have associated output files`);
+      case 1: break;
+      default: throw new CompilerException(`Chunk ${module.source} has more than one JavaScript output: ${js.join(', ')}`);
     }
 
-    const candidate = join(this.project.workingPath.toString(), matchingChunk.files[0]);
+    const candidate = join(this.project.workingPath.toString(), js[0]);
 
     const loaded = require(candidate);