event-state/components/tools/index.js

simple event based state machine for js, written mostly for monument and action

'use strict';

var flatten = function () {
        var args = [].slice.call(arguments),
            flat = [],
            fltn = function (arry) {
                return arry.reduce(function (flat, item) {
                    if (Array.isArray(item)) {
                        flat.concat(fltn(item));
                    } else {
                        flat.push(item);
                    }
                    return flat;
                }, flat);
            };
        return [].concat(fltn(args));
    }

    , getListener = function (events, multiple) {
        if (multiple) {
            return events.on || events.addListener;
        } else {
            return events.once || events.one || events.on || events.addListener;
        }
    };

module.exports = {
    flatten: flatten
    , getListener: getListener
};