Chrome/Edge extension showing story image previews and descriptions beside the headlines.

Features:

• 16:9 story thumbnail on each item
• favicon before the title
• OG/meta description line under the title
• hover preview card
• click-to-open lightbox with zoom controls
• on-site toggle + size control

Install

Load unpacked

1. Open chrome://extensions
2. Enable Developer mode
3. Click Load unpacked
4. Select this repository
5. Open hcker.news

Settings

Open the extension’s options page to configure:

• Enable thumbnails
• API base URL

Settings sync via chrome.storage.sync and apply live.

Keyboard

• I — toggle thumbnails
• Esc — close the lightbox

Highlights

• Uses the YAHNC API to map HN item IDs to images
• Prefers remote og:image URLs when available
• Falls back to a stored screenshot only when needed
• Dedupe-safe and idempotent for infinite scroll / client navigation
• Gracefully hides missing or broken images

Development

Run the DOM helper tests:

node --test test/dom.test.mjs

Notes

• Backend API: https://hn-clone.is-ai-good-yet.com
• Icons in icons/ are placeholders and should be replaced before release