Merge pull request #16216 from Bouncey/fix/backendSources

fix(backend): Unable to submit backend project

common/app/routes/Challenges/utils/build.js

@@ -60,7 +60,7 @@ export function buildBackendChallenge(state) {
   )
     .map(([ frameRunner, jQuery ]) => ({
       build: jQuery + frameRunner,
-      source: { url },
+      sources: { url },
       checkChallengePayload: { solution: url }
     }));
 }

common/app/routes/Challenges/utils/frame.js

@@ -100,7 +100,7 @@ const writeTestDepsToDocument = frameReady => ctx => {
   };
   // default for classic challenges
   // should not be used for modern
-  tests.__source = sources['index'] || '';
+  tests.__source = (sources && 'index' in sources) ? sources['index'] : '';
   // provide the file name and get the original source
   tests.__getUserInput = fileName => _.toString(sources[fileName]);
   tests.__checkChallengePayload = checkChallengePayload;