Bndr /ˈbaɪndɚ/ is a library designed to compose events from various user inputs and chain filters in a monadic manner, integrating them into a single event object. It accommodates input devices such as mice🖱️, styluses🖊️, touch inputs👆, keyboards⌨️, MIDI controllers🎹, and gamepads🎮. Developed and maintained by Baku Hashimoto.

Potential use cases for this library include:

• ⚡️ Associating user inputs with arbitrary triggers for VJing
• 🎨 Introducing manual operations in generative art.

To get a feel for how it works, please try out this demo.

Supported Parameters

• 👆 Pointer (mouse, stylus, touch)
  • All parameters supported in PointerEvent. (pressure, tilt, multi-touch)
• ⌨️ Keyboard
• 🎹 MIDI
  • CC and velocity
• 🎮 Gamepad
  • Vendor-specific button name support: JoyCon, PS5 Controller

How to use

• Full API documentation