dylangrech92 / seotoolbox

const crawler_event_handler = {

    events : {},

    /**

     * Trigger event callback and pass on the data

     *

     * @param {string} event

     * @param {*} data

     * @returns {undefined}

     */

    trigger: function(event, data){

        if(this.events.hasOwnProperty(event))

            for(var e in this.events[event]) this.events[event][e].apply(this, data);

        return undefined;

    },

    /**

     * Register callback on action

     *

     * @param {string} event

     * @param {function} callback

     * @returns {undefined}

     */

    on: function(event, callback){

        if(!this.events.hasOwnProperty(event)) this.events[event] = [];

        this.events[event].push(callback);

        return undefined;

    },

};