From 880b0d2c02ad1a82a2bb3056de28dd52ec2d0e4d Mon Sep 17 00:00:00 2001
From: safisa <safi@k2view.com>
Date: Fri, 12 Jan 2024 15:18:57 +0200
Subject: [PATCH] fix for web socket disconnection: file explorer progress bar
 issue #13216

---
 packages/core/src/browser/tree/tree.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/browser/tree/tree.ts b/packages/core/src/browser/tree/tree.ts
index 3e78cab724d47..432b67dac15f0 100644
--- a/packages/core/src/browser/tree/tree.ts
+++ b/packages/core/src/browser/tree/tree.ts
@@ -397,9 +397,10 @@ export class TreeImpl implements Tree {
 
     protected async doMarkAsBusy(node: Mutable<TreeNode>, ms: number, token: CancellationToken): Promise<void> {
         try {
+            token.onCancellationRequested(() => this.doResetBusy(node));
             await timeout(ms, token);
+            if (token.isCancellationRequested) { return; }
             this.doSetBusy(node);
-            token.onCancellationRequested(() => this.doResetBusy(node));
         } catch {
             /* no-op */
         }