From 8427995bbf47e1e00a9911af9fdf0eda4e0efed5 Mon Sep 17 00:00:00 2001
From: Marwin Hochfelsner <50826859+hlfan@users.noreply.github.com>
Date: Sun, 27 Jul 2025 15:47:36 +0200
Subject: [PATCH] Refactor Turbo export handlers to use Promises directly

---
 app/assets/javascripts/download_util.js | 28 ++++++++++---------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/app/assets/javascripts/download_util.js b/app/assets/javascripts/download_util.js
index 0b60eaa4d..d425c421f 100644
--- a/app/assets/javascripts/download_util.js
+++ b/app/assets/javascripts/download_util.js
@@ -17,25 +17,19 @@ OSM.showAlert = function (message) {
 };
 
 OSM.getTurboBlobHandler = function (filename) {
-  async function handleExportSuccess({ fetchResponse }) {
-    try {
-      const blob = await fetchResponse.response.blob();
-      OSM.downloadBlob(blob, filename);
-    } catch (err) {
-      notifyExportFailure("(blob error)");
-    }
+  function handleExportSuccess({ fetchResponse }) {
+    fetchResponse.response.blob()
+      .then(blob => OSM.downloadBlob(blob, filename))
+      .catch(() => notifyExportFailure("(blob error)"));
   }
 
-  async function handleExportError({ error, fetchResponse }) {
-    try {
-      let detailMessage = error?.message;
-      if (!detailMessage) {
-        detailMessage = await fetchResponse.responseText.then(extractTextFromHTML);
-      }
-      notifyExportFailure(detailMessage);
-    } catch (err) {
-      notifyExportFailure("(unknown)");
-    }
+  function handleExportError({ error, fetchResponse }) {
+    Promise.resolve(
+      error?.message ||
+      fetchResponse.responseText.then(extractTextFromHTML)
+    )
+      .then(notifyExportFailure)
+      .catch(() => notifyExportFailure("(unknown)"));
   }
 
   function extractTextFromHTML(htmlString) {
-- 
2.39.5