LeetX+

Version: 1.0.0

LeetX+ is a Chrome extension that integrates a side panel directly into LeetCode. It uses AI models to automatically solve coding interview problems and streamlines your workflow with features like Copy, Auto-Paste, and Auto-Type.

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Features

• Generates code solutions via Google Gemini or OpenRouter AI.
• Copy, Auto-Paste, and Auto-Type (with human-like delay).
• Recent solutions history with direct links back to problems.
• Clear history with one click.
• Info and Documentation panels within the extension.

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User Guide

Installing the Extension

For end users, LeetX+ is available on the Chrome Web Store (coming soon).

Alternatively, to load it manually:

1. Download the latest release ZIP from the releases page and unzip it.
2. Open chrome://extensions in Chrome.
3. Enable Developer mode.
4. Click Load unpacked and select the unzipped folder.

Using LeetX+

1. Navigate to a LeetCode problem and switch to the Code tab (not the Description tab).
2. Click the LeetX+ icon in your Chrome toolbar to open the side panel.
3. On first run, follow the onboarding wizard to:
   • Pin the extension.
   • Enter your API key in Settings.
   • Select your preferred AI provider.
   • Click Solve it to generate a solution.
4. Use the Copy, Auto-Paste, or Auto-Type buttons to insert the solution.
5. View recent solutions in the History section and clear history with one click.
6. Revisit help at any time via the ⚙️ Settings or ℹ️ Info icons.

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First Run & Onboarding

After loading the extension for the first time:

1. Click the LeetX+ icon in your Chrome toolbar to open the side panel.
2. You will see a quick walkthrough guiding you to enter your API key and basic usage steps.
3. Click Get Started to complete setup.
4. To revisit setup instructions later, open the Info panel (via the ℹ️ icon).

Make sure you've added your API key under Settings before clicking Solve it on a LeetCode problem page.

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Developer Setup

• Install dependencies:

  npm install

• Start development build (watches for changes):

  npm run start

• Open chrome://extensions in your browser.

• Enable Developer mode.

• Click Load unpacked and select the project root.

• Make changes in src/, the bundle will rebuild automatically.

⚠️ Note for Developers: The following section is intended for developers who want to build or contribute. End users can ignore it.

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Production Build & Packaging

1. Build for production:

   npm run build

2. (Optional) Pack extension:

   npm run pack

3. Upload dist/ contents or packaged .crx to the Chrome Web Store.

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Contributing

• Ensure all new code is linted and tested.
• Submit PRs against the main branch.

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© 2025 Joydip Biswas. Licensed under the ISC License.