Sapling Navigator

A browser extension that enhances GitHub Pull Requests, designed for stacks managed by ghstack and Sapling.

Features

• Detects stacks from ghstack and Sapling.
• Adds a fixed bottom navbar with:
  • Prev/Next navigation across the stack.
  • One-click "Open in ReviewStack".
• Lightweight and private: does not collect or transmit user data.

Development Setup

1. Clone the repo and install dependencies:

   npm install

2. Build the extension:

   npm run build

   This generates the extension in the dist/ directory.

Install in Chrome (or Chromium-based browsers)

1. Open chrome://extensions/.
2. Enable Developer mode (top right).
3. Click Load unpacked.
4. Select the dist directory from this project.

Install in Firefox

1. Open about:debugging.
2. Click This Firefox (sidebar).
3. Click Load Temporary Add-on....
4. Select dist/manifest.json.

Usage

Open any GitHub Pull Request. If it’s part of a stack, you will see a bottom navbar with Prev/Next navigation and a button to open the PR in ReviewStack.