hongru

function base64Encode(inputStr) {
               var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
               var outputStr = "";
               var i = 0;
               
               while (i < inputStr.length)
               {
                   //all three "& 0xff" added below are there to fix a known bug 
                   //with bytes returned by xhr.responseText
                   var byte1 = inputStr.charCodeAt(i++) & 0xff;

hongru

/* mkdir -p for node */
var fs = require('fs'),
    path = require('path');
    
function mkdirpSync (pathes, mode) {
    mode = mode || 0777;
    var dirs = pathes.trim().split('/');
    if (dirs[0] == '.') {
        // ./aaa
        dirs.shift();