glitchin/lib/utils/checkers.js

Glitch Art package

'use strict';

var _     = require('lodash'),
	debug = require('debug'),
	error = debug('app:error');

function checkImage( image, parent ){

	var parentString = '';

	if( !_.isUndefined(parent) ){
		parentString = ' in ' + parent + ' function';
	}

	if( _.isUndefined(image) ){
		var errStr = 'Image is not defined' + parentString + '.';
		error(errStr);
		throw new Error(errStr);
	}
}

module.exports = {
	image: checkImage
};