Fix initial not syntax highlighting.

app/assets/javascripts/repo/repo_editor.vue

@@ -18,11 +18,10 @@ const RepoEditor = {
     this.addMonacoEvents();
 
     Helper.getContent().then(() => {
+      const languages = this.monaco.languages.getLanguages();
+      const languageID = Helper.getLanguageIDForFile(this.activeFile, languages);
       this.showHide();
-
-      if (this.blobRaw === '') return;
-
-      const newModel = this.monaco.editor.createModel(this.blobRaw, 'plaintext');
+      const newModel = this.monaco.editor.createModel(this.blobRaw, languageID);
 
       this.monacoInstance.setModel(newModel);
     }).catch(Helper.loadingError);

app/assets/javascripts/repo/repo_helper.js

@@ -194,10 +194,7 @@ const RepoHelper = {
         Store.prevURL = Service.blobURLtoParentTree(Service.url);
       }
     })
-    .catch(() => {
-      // RepoHelper.setLoading(false, loadingData);
-      RepoHelper.loadingError();
-    });
+    .catch(RepoHelper.loadingError);
   },
 
   toFA(icon) {
@@ -286,7 +283,8 @@ const RepoHelper = {
     }
   },
 
-  loadingError() {
+  loadingError(e) {
+    console.log(e)
     Flash('Unable to load the file at this time.');
   },
 };