vite-plugin-monkey

Develop and build userscripts for Tampermonkey, Violentmonkey, Greasemonkey, ScriptCat, and other userscript engines with Vite.

Documentation: https://vite-plugin-monkey.pages.dev/

Features

• Support Tampermonkey, Violentmonkey, Greasemonkey, ScriptCat, and other userscript engines
• Inject userscript metadata into the build output
• Open the development userscript in the default browser when its metadata changes
• Load external dependencies through userscript @require entries
• Load external modules through userscript @resource entries
• Import GM APIs through ESM with type hints
• Collect the GM APIs used by the code and configure @grant automatically
• Support top-level await and dynamic imports in a single userscript file
• Open the built userscript automatically when running Vite preview
• Support TypeScript and Vite features

Quick Start

Create a userscript project with the scaffolding tool:

pnpm create monkey
# npm create monkey
# yarn create monkey

Choose one of the included templates:

JavaScript	TypeScript
empty (only js)	empty-ts (only ts)
vanilla (js + css)	vanilla-ts (ts + css)
vue	vue-ts
react	react-ts
preact	preact-ts
svelte	svelte-ts
solid	solid-ts

Initializing a Template

Hot Module Replacement

Build and Preview

Installation

Install the plugin in an existing Vite project:

pnpm add -D vite-plugin-monkey
# npm i -D vite-plugin-monkey
# yarn add -D vite-plugin-monkey

Add vite-plugin-monkey as the last item in the Vite plugin list. See the Getting Started guide for the basic configuration.