1 files changed, 60 insertions, 0 deletions
diff --git a/app/assets/javascripts/ref/format_refs.js b/app/assets/javascripts/ref/format_refs.js
new file mode 100644
index 00000000000..af310a35ef4
--- /dev/null
+++ b/app/assets/javascripts/ref/format_refs.js
@@ -0,0 +1,60 @@
+import { DEFAULT_I18N } from './constants';
+
+function convertToListBoxItems(items) {
+  return items.map((item) => ({
+    text: item.name,
+    value: item.value || item.name,
+    default: item.default,
+  }));
+}
+
+/**
+ * Format multiple lists to array of group options for listbox
+ * @param branches list of branches
+ * @param tags list of tags
+ * @param commits list of commits
+ * @returns {*[]} array of group items with header and options
+ */
+export const formatListBoxItems = (branches, tags, commits) => {
+  const listBoxItems = [];
+
+  const addToFinalResult = (items, header) => {
+    if (items && items.length > 0) {
+      listBoxItems.push({
+        text: header,
+        options: convertToListBoxItems(items),
+      });
+    }
+  };
+
+  addToFinalResult(branches, DEFAULT_I18N.branches);
+  addToFinalResult(tags, DEFAULT_I18N.tags);
+  addToFinalResult(commits, DEFAULT_I18N.commits);
+
+  return listBoxItems;
+};
+
+/**
+ * Check error existence and add to final array
+ * @param branches list of branches
+ * @param tags list of tags
+ * @param commits list of commits
+ * @returns {*[]} array of error messages
+ */
+export const formatErrors = (branches, tags, commits) => {
+  const errorsList = [];
+
+  if (branches && branches.error) {
+    errorsList.push(DEFAULT_I18N.branchesErrorMessage);
+  }
+
+  if (tags && tags.error) {
+    errorsList.push(DEFAULT_I18N.tagsErrorMessage);
+  }
+
+  if (commits && commits.error) {
+    errorsList.push(DEFAULT_I18N.commitsErrorMessage);
+  }
+
+  return errorsList;
+};