fix: ignore pasted @ for file mentions (#1649)

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>
2026-06-23 14:07:09 +03:00
parent 18744bf723
commit b87de3c5b2
3 changed files with 200 additions and 22 deletions
@@ -0,0 +1,32 @@
+export type FileMentionAutocompleteInputSource = 'manual' | 'paste';
+
+export const getFileMentionAutocompleteQuery = ({
+    value,
+    cursorPosition,
+    inputSource = 'manual',
+    insertedText,
+}: {
+    value: string;
+    cursorPosition: number;
+    inputSource?: FileMentionAutocompleteInputSource;
+    insertedText?: string;
+}): string | null => {
+    if (inputSource === 'paste' && insertedText?.includes('@')) {
+        return null;
+    }
+
+    const textBeforeCursor = value.substring(0, cursorPosition);
+    const lastAtSymbol = textBeforeCursor.lastIndexOf('@');
+    if (lastAtSymbol === -1) {
+        return null;
+    }
+
+    const charBefore = lastAtSymbol > 0 ? textBeforeCursor[lastAtSymbol - 1] : null;
+    const textAfterAt = textBeforeCursor.substring(lastAtSymbol + 1);
+    const isWordBoundary = !charBefore || /\s/.test(charBefore);
+    if (!isWordBoundary || textAfterAt.includes(' ') || textAfterAt.includes('\n')) {
+        return null;
+    }
+
+    return textAfterAt;
+};