shortcutter/jsnext/controller.js

Tiny, dependency-free library to manage keyboard shortcuts in your application.

export function useController() {
    const PRESSED_KEYS = new Set();
    return {
        press(key) {
            PRESSED_KEYS.add(key);
        },
        release(key) {
            PRESSED_KEYS.delete(key);
        },
        releaseAll() {
            PRESSED_KEYS.clear();
        },
        getPressed() {
            return [...PRESSED_KEYS.values()].sort();
        },
        isPressed(key) {
            return PRESSED_KEYS.has(key);
        },
    };
}