yahoo/blink-diff

// Copyright 2015 Yahoo! Inc.
// Copyrights licensed under the Mit License. See the accompanying LICENSE file for terms.

var CoreBase = require('preceptor-core').Base;

/**
 * @class Base
 * @extends CoreBase
 * @module Configuration
 */
var Base = CoreBase.extend(

    /**
     * Base constructor
     *
     * @constructor
     * @param {object} options
     */
    function (options) {
        this._blinkDiff = options.blinkDiff;
    },

    {
        /**
         * Logs events to the blink-diff instance
         *
         * @method log
         * @param {string} text
         */
        log: function (text) {
            if (this._blinkDiff) {
                this._blinkDiff.log(this.constructor.TYPE + ': ' + text);
            }
        },

        /**
         * Parses object information
         *
         * @method _parseObject
         * @param {object|Image} value
         * @param {object} Constr Constructor of data-type
         * @param {string} typeStr Textual type description of object
         * @return {object}
         * @private
         */
        _parseObject: function (value, Constr, typeStr) {

            if (typeof value == 'object' && !(value instanceof Constr)) {
                value.blinkDiff = this._blinkDiff;
                value = new Constr(value);
            }

            if (value instanceof Constr) {
                return value;
            } else {
                throw new Error('Unknown ' + typeStr + ' descriptor.');
            }
        }
    },

    {
        /**
         * @property TYPE
         * @type {string}
         * @static
         */
        TYPE: 'CONFIGURATION_BASE'
    }
);

module.exports = Base;