'use strict';
var util = require('util');
var DataType = require('./data-type.js');
/**
* @classdesc Provide methods to work with Text data.
* @description Creates Text data type definition.
*
* @memberof bo.dataTypes
* @constructor
*
* @extends bo.dataTypes.DataType
*/
function Text () {
// Immutable object.
DataType.call(this);
}
util.inherits(Text, DataType);
/**
* Checks if value is a Text data.
*
* @function bo.dataTypes.Text#parse
* @param {*} [value] - The value to check.
* @returns {*} The Text value or null when the input value is valid, otherwise undefined.
*/
Text.prototype.parse = function (value) {
if (value === null || typeof value === 'string')
return value;
if (value === undefined)
return null;
if (value instanceof String)
return value.valueOf();
return new String(value).valueOf();
};
/**
* Checks if value is a Text data and is not null.
*
* @function bo.dataTypes.Text#hasValue
* @param {data} value - The value to check.
* @returns {boolean} True if the value is Text and not null, otherwise false.
*/
Text.prototype.hasValue = function (value) {
var parsed = this.parse(value);
return parsed !== undefined && parsed !== null && parsed.length > 0;
};
module.exports = Text;