From 976d136abd2747de8df8ce20935b3feacbdc38c2 Mon Sep 17 00:00:00 2001
From: Kent Wang <kent.wang@konghq.com>
Date: Fri, 18 Sep 2026 08:51:24 +0800
Subject: [PATCH] fix: One line editor can enter new line issue (#10514)

* fix one line editor issue

* change camel case
---
 .../ui/components/.client/codemirror/one-line-editor.tsx   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/insomnia/src/ui/components/.client/codemirror/one-line-editor.tsx b/packages/insomnia/src/ui/components/.client/codemirror/one-line-editor.tsx
index 246bc5e484..a99a862642 100644
--- a/packages/insomnia/src/ui/components/.client/codemirror/one-line-editor.tsx
+++ b/packages/insomnia/src/ui/components/.client/codemirror/one-line-editor.tsx
@@ -204,14 +204,17 @@ export const OneLineEditor = forwardRef<OneLineEditorHandle, OneLineEditorProps>
       };
       codeMirror.current = CodeMirror.fromTextArea(textAreaRef.current, initialOptions);
       codeMirror.current.on('beforeChange', (_: CodeMirror.Editor, change: CodeMirror.EditorChangeCancellable) => {
-        const isPaste = change.origin === 'paste' && change.update;
-        if (isPaste) {
+        const isMultiLineInsert = change.text && change.text.length > 1;
+        const isSingleLinePaste = change.origin === 'paste' && change.update && change.text.length === 1;
+        if (isMultiLineInsert || isSingleLinePaste) {
           const pastedText = change.text.join('\n');
           const hasContent = pastedText.trim();
+          // Cancel the change if it's a curl command or has no content
           if (isCurlCommand(pastedText) || !hasContent) {
             change.cancel();
             return;
           }
+          // Replace vault tags id if needed
           let editorPasteText = change.text.join('').replace(/\n/g, ' ');
           if (containsExternalVaultTag(editorPasteText)) {
             editorPasteText = replaceVaultTagIdIfNeeded(editorPasteText);