1 files changed, 28 insertions, 0 deletions
diff --git a/app/assets/javascripts/pages/projects/find_file/ref_switcher/ref_switcher_utils.js b/app/assets/javascripts/pages/projects/find_file/ref_switcher/ref_switcher_utils.js
new file mode 100644
index 00000000000..5fecd024f1a
--- /dev/null
+++ b/app/assets/javascripts/pages/projects/find_file/ref_switcher/ref_switcher_utils.js
@@ -0,0 +1,28 @@
+import { joinPaths } from '~/lib/utils/url_utility';
+
+/**
+ * Generates a ref destination url based on the selected ref and current url.
+ * @param {string} selectedRef - The selected ref from the ref dropdown.
+ * @param {string} namespace - The destination namespace for the path.
+ */
+export function generateRefDestinationPath(selectedRef, namespace) {
+  if (!selectedRef || !namespace) {
+    return window.location.href;
+  }
+
+  const { pathname } = window.location;
+  const encodedHash = '%23';
+
+  const [projectRootPath] = pathname.split(namespace);
+
+  const destinationPath = joinPaths(
+    projectRootPath,
+    namespace,
+    encodeURI(selectedRef).replace(/#/g, encodedHash),
+  );
+
+  const newURL = new URL(window.location);
+  newURL.pathname = destinationPath;
+
+  return newURL.href;
+}