format url for phantom

format-url-for-phantom.js

/**
 * @file format url for phantom
 * @author firedfox
 */
 
/*
 * format url before opened by a WebPage instance
 *
 * @param {string} url web page url
 * @return {string} url formatted
 */
var formatURL = function (url) {
    // removes whitespace
    url = url.trim();

    // encode non-ASCII characters. necessary for urls including Chinese / Japanese, etc.
    url = url.split('').map(function (character) {
        return character.charCodeAt(0) <= 255 ? character : encodeURIComponent(character);
    }).join('');

    // add default protocol
    if (url.indexOf('http://') !== 0 && url.indexOf('https://') !== 0) {
        url = 'http://' + url;
    }

    return url;
};