fix(files): prevent autosave data loss on load lag and binary files

Guard FilesView autosave until the selected file has finished loading, refuse binary/PDF/office/archive text saves, and add a persisted global autoSaveEnabled setting (default true) under Settings → General. Co-authored-by: Serhii Dziupin <makeittech@users.noreply.github.com>
2026-07-30 06:37:47 +00:00
parent a4c7bac303
commit 5b727ed53c
34 changed files with 504 additions and 55 deletions
@@ -0,0 +1,44 @@
+import { describe, expect, test } from 'bun:test';
+
+import {
+  getFileExtension,
+  isBinaryFile,
+  isImageFile,
+  isPdfFile,
+  isSvgFile,
+  looksLikeBinaryText,
+} from './toolHelpers';
+
+describe('binary file helpers', () => {
+  test('classifies common binary extensions', () => {
+    expect(isBinaryFile('/repo/docs/report.pdf')).toBe(true);
+    expect(isBinaryFile('/repo/sheet.XLSX')).toBe(true);
+    expect(isBinaryFile('archive.zip')).toBe(true);
+    expect(isBinaryFile('photo.png')).toBe(true);
+    expect(isBinaryFile('notes.docx')).toBe(true);
+    expect(isPdfFile('report.pdf')).toBe(true);
+    expect(isImageFile('photo.png')).toBe(true);
+  });
+
+  test('keeps text and SVG editable', () => {
+    expect(isBinaryFile('/repo/README.md')).toBe(false);
+    expect(isBinaryFile('/repo/src/main.ts')).toBe(false);
+    expect(isBinaryFile('/repo/icon.svg')).toBe(false);
+    expect(isSvgFile('/repo/icon.svg')).toBe(true);
+    expect(isBinaryFile('/repo/.env')).toBe(false);
+  });
+
+  test('getFileExtension ignores leading dots and path separators', () => {
+    expect(getFileExtension('/a/b/c.PDF')).toBe('pdf');
+    expect(getFileExtension('.gitignore')).toBe('');
+    expect(getFileExtension('Makefile')).toBe('');
+  });
+
+  test('looksLikeBinaryText detects nulls, PDF, ZIP, and replacement-heavy content', () => {
+    expect(looksLikeBinaryText('hello\0world')).toBe(true);
+    expect(looksLikeBinaryText('%PDF-1.7\nstream\n...')).toBe(true);
+    expect(looksLikeBinaryText(`PK\u0003\u0004${'x'.repeat(20)}`)).toBe(true);
+    expect(looksLikeBinaryText(`${'\uFFFD'.repeat(40)}${'a'.repeat(40)}`)).toBe(true);
+    expect(looksLikeBinaryText('plain text file\nwith newlines\n')).toBe(false);
+  });
+});