fix eslint violations in repo editor files

app/assets/javascripts/api.js

@@ -96,7 +96,8 @@ const Api = {
       .done(projects => callback(projects));
   },
 
-  commitMultiple(id, data, callback) {
+  commitMultiple(id, data) {
+    // see https://docs.gitlab.com/ce/api/commits.html#create-a-commit-with-multiple-files-and-actions
     const url = Api.buildUrl(Api.commitPath)
       .replace(':id', id);
     return this.wrapAjaxCall({

app/assets/javascripts/repo/components/repo_commit_section.vue

@@ -43,10 +43,11 @@ export default {
       };
       Store.submitCommitsLoading = true;
       Service.commitFiles(payload)
-      .then(this.resetCommitState);
+        .then(this.resetCommitState)
+        .catch(() => Flash('An error occured while committing your changes'));
     },
 
-    resetCommitState(data) {
+    resetCommitState() {
       this.submitCommitsLoading = false;
       this.changedFiles = [];
       this.commitMessage = '';

app/assets/javascripts/repo/services/repo_service.js

@@ -67,13 +67,13 @@ const RepoService = {
 
   commitFiles(payload) {
     return Api.commitMultiple(Store.projectId, payload)
-    .then((data) => {
-      if (data.short_id && data.stats) {
-        Flash(`Your changes have been committed. Commit ${data.short_id} with ${data.stats.additions} additions, ${data.stats.deletions} deletions.`, 'notice');
-      } else {
-        Flash(data.message);
-      }
-    });
+      .then((data) => {
+        if (data.short_id && data.stats) {
+          Flash(`Your changes have been committed. Commit ${data.short_id} with ${data.stats.additions} additions, ${data.stats.deletions} deletions.`, 'notice');
+        } else {
+          Flash(data.message);
+        }
+      });
   },
 };