From 1d9dd82191c2c136ffa6116e59241437b21cc492 Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Wed, 23 Nov 2022 17:01:13 -0600
Subject: [PATCH] explorer/sagas: don't show error on user cancel

fileSave can raise DomException+AbortError if use clicks cancel in the
OS file dialog. We should not show an error message in this case.
---
 src/explorer/sagas.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/explorer/sagas.ts b/src/explorer/sagas.ts
index 40278e4a..b083a00b 100644
--- a/src/explorer/sagas.ts
+++ b/src/explorer/sagas.ts
@@ -139,7 +139,9 @@ function* handleExplorerArchiveAllFiles(): Generator {
     } catch (err) {
         const error = ensureError(err);
 
-        if (error instanceof ExplorerError && error.name === 'NoFiles') {
+        if (error instanceof DOMException && error.name === 'AbortError') {
+            // user canceled, don't show error message
+        } else if (error instanceof ExplorerError && error.name === 'NoFiles') {
             yield* put(alertsShowAlert('explorer', 'noFilesToBackup'));
         } else {
             yield* put(