fix(middleware): Catch errors when loading a module

Fix #3572
karma-runner · Nov 13, 2020 · 380251c · 380251c
1 parent 05dc288
commit 380251c
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/middleware/karma.js b/lib/middleware/karma.js
@@ -193,7 +193,11 @@ function createKarmaMiddleware (
             } else {
               const scriptType = (SCRIPT_TYPE[fileType] || 'text/javascript')
               const crossOriginAttribute = includeCrossOriginAttribute ? 'crossorigin="anonymous"' : ''
-              scriptTags.push(`<script type="${scriptType}" src="${filePath}" ${crossOriginAttribute}></script>`)
+              if (fileType === 'module') {
+                scriptTags.push(`<script onerror="throw 'Error loading ${filePath}'" type="${scriptType}" src="${filePath}" ${crossOriginAttribute}></script>`)
+              } else {
+                scriptTags.push(`<script type="${scriptType}" src="${filePath}" ${crossOriginAttribute}></script>`)
+              }
             }
           }