feat: bookmarklet to blog stuff easily

tests/engine/BlogmarkDeepLink.test.ts

@@ -0,0 +1,41 @@
+import { describe, it, expect } from 'vitest';
+import {
+  buildBlogmarkMarkdownLink,
+  extractBlogmarkPayloadFromDeepLink,
+  generateBlogmarkBookmarkletSource,
+} from '../../src/main/shared/blogmark';
+
+describe('blogmark deep-link payload', () => {
+  it('extracts and sanitizes title and URL from deep link', () => {
+    const payload = extractBlogmarkPayloadFromDeepLink(
+      'bds://new-post?title=Hello%20%3Cb%3EWorld%3C%2Fb%3E&url=https%3A%2F%2Fexample.com%2Fpost%3Fx%3D1%23frag',
+    );
+
+    expect(payload).toEqual({
+      title: 'Hello <b>World</b>',
+      url: 'https://example.com/post?x=1',
+    });
+  });
+
+  it('rejects non-http URLs', () => {
+    const payload = extractBlogmarkPayloadFromDeepLink(
+      'bds://new-post?title=Unsafe&url=javascript%3Aalert(1)',
+    );
+
+    expect(payload).toBeNull();
+  });
+
+  it('builds safe markdown source link', () => {
+    const markdown = buildBlogmarkMarkdownLink('A [title] (test)', 'https://example.com/x?y=1');
+    expect(markdown).toBe('[A \\[title\\] \\(test\\)](<https://example.com/x?y=1>)');
+  });
+
+  it('generates bookmarklet that targets bds protocol', () => {
+    const source = generateBlogmarkBookmarkletSource();
+
+    expect(source.startsWith('javascript:')).toBe(true);
+    expect(source).toContain('bds://new-post?title=');
+    expect(source).toContain('encodeURIComponent(document.title');
+    expect(source).toContain('encodeURIComponent(location.href');
+  });
+});