code: function createResourceName(share, directory, file, forSAS) {
    var encode = function(name) {
      if (name && !forSAS) {
        name = encodeURIComponent(name);
        name = name.replace(/%2F/g, '/');
        name = name.replace(/%5C/g, '/');
        name = name.replace(/\+/g, '%20');
      }
      return name;
    };
  
    var name = share;
  
    if (directory) {
      // if directory does not start with '/', add it
      if (directory[0] !== '/') {
        name += ('/');
      }
  
      name += encode(directory);
    } 
  
    if (file) {
      // if the current path does not end with '/', add it
      if (name[name.length - 1] !== '/') {
        name += ('/');
      }
      
      name += encode(file);
    }
  
    return path.normalize(name).replace(/\\/g, '/');
  }
docs: Utility methods 
  Create resource name
  @ignore
  
  @param {string} share          Share name
  @param {string} [directory]    Directory name
  @param {string} [file]         File name
  @return {string} The encoded resource name.