'use strict';

var object        = require('es5-ext/object/valid-object')
  , stringifiable = require('es5-ext/object/validate-stringifiable-value')
  , forOf         = require('es6-iterator/for-of');

module.exports = function (text, style) {
	var result = '';
	text = stringifiable(text);
	object(style);
	forOf(text, function (char) { result += style[char] || char; });
	return result;
};