gallery.accords-library.com/client/js/util/keyboard.js

'use strict';

const mousetrap = require('mousetrap');
const settings = require('../models/settings.js');

let paused = false;
const _originalStopCallback = mousetrap.prototype.stopCallback;
mousetrap.prototype.stopCallback = function(...args) {
    var self = this;
    if (paused) {
        return true;
    }
    return _originalStopCallback.call(self, ...args);
};

function bind(hotkey, func) {
    if (settings.get().keyboardShortcuts) {
        mousetrap.bind(hotkey, func);
        return true;
    }
    return false;
}

function unbind(hotkey) {
    mousetrap.unbind(hotkey);
}

module.exports = {
    bind: bind,
    unbind: unbind,
    pause: () => { paused = true; },
    unpause: () => { paused = false; },
};