From 4e2802a26226c41cae3e1c0f60f97e7ffe9534ee Mon Sep 17 00:00:00 2001
From: Patrick Quist <partouf@gmail.com>
Date: Thu, 5 Jan 2023 00:37:51 +0100
Subject: [PATCH] show error when not loading a zip (#4531)

---
 static/panes/tree.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/static/panes/tree.ts b/static/panes/tree.ts
index 90b401361b1..fdede434c02 100644
--- a/static/panes/tree.ts
+++ b/static/panes/tree.ts
@@ -573,6 +573,11 @@ export class Tree {
     }
 
     private async openZipFile(htmlfile) {
+        if (!htmlfile.name.toLowerCase().endsWith('.zip')) {
+            this.alertSystem.alert('Load project file', 'Projects can only be loaded from .zip files');
+            return;
+        }
+
         this.multifileService.forEachFile((file: MultifileFile) => {
             this.removeFile(file.fileId);
         });