"use strict";

var Class = require('class.extend');

var Output = Class.extend('Output', {
    /**
     * Convert and print data to json.
     *
     * @param mixed data
     */
    json: function(data, pretty) {
        data = JSON.stringify(
            data,
            function(key, value) {
                if (value === undefined) {
                    return null;
                }

                return value;
            },
            pretty ? 2 : null
        );

        return this.write(data);
    },

    /**
     * Print data.
     *
     * @param mixed data
     */
    write: function(data) {
        console.log(data);
    }
});

module.exports = Output;