# all files / keystone/fields/types/money/ MoneyType.js

86.67% Statements 26/30
85% Branches 17/20
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     var FieldType = require('../Type');
    var NumberType = require('../number/NumberType');
    var numeral = require('numeral');
    var util = require('util');

    /**
     * Money FieldType Constructor
     * @extends Field
     * @api public
     */
    function money (list, path, options) {
    	this.currency = options.currency;
    	this._nativeType = Number;
    	this._underscoreMethods = ['format'];
    	this._properties = ['currency'];
    	this._fixedSize = 'small';
    	this._formatString = (options.format === false) ? false : (options.format || '$0,0.00');
    	if (this._formatString && typeof this._formatString !== 'string') {
    		throw new Error('FieldType.Money: options.format must be a string.');
    	}
    	money.super_.call(this, list, path, options);
    }
    util.inherits(money, FieldType);

    money.prototype.validateInput = NumberType.prototype.validateInput;
    money.prototype.validateRequiredInput = NumberType.prototype.validateRequiredInput;

    /* Inherit from NumberType prototype */
    money.prototype.updateItem = NumberType.prototype.updateItem;
    money.prototype.inputIsValid = NumberType.prototype.inputIsValid;
    money.prototype.addFilterToQuery = NumberType.prototype.addFilterToQuery;

    /**
     * Formats the field value
     */
    money.prototype.format = function (item, format) {
    	Iif (this.currency) {
    		try {
    			numeral.language(this.currency, require('numeral/languages/' + this.currency));
    			numeral.language(this.currency);
    		} catch (err) {
    			throw new Error('FieldType.Money: options.currency failed to load.');
    		}
    	}
    	if (format || this._formatString) {
    		return (typeof item.get(this.path) === 'number') ? numeral(item.get(this.path)).format(format || this._formatString) : '';
    	} else {
    		return item.get(this.path) || '';
    	}
    };

    /* Export Field Type */
    module.exports = money;