code: function existsOrCreateSync(filePath, opts){
      opts = opts || {};
      opts.encoding = opts.encoding || 'utf8';
      opts.data = opts.data || opts.content || '';
      opts.mode = opts.mode || '0777';
      
      var fp = resolve(filePath);
      var isFile = opts.hasOwnProperty('isFile') ? opts.isFile : !!fp.extName;
      
      var exists = fs.existsSync(fp.fullPath);
      if(!exists || opts.replace){
          mkdir((isFile ? fp.dirName : fp.fullPath));
          if(isFile || opts.replace) fs.writeFileSync(fp.fullPath, opts.data, opts.encoding);
      }
      
      function mkdir(fullPath){
          if(fs.existsSync(fullPath)) return;
          else {
              var parentPath = fullPath.split('/');
              parentPath.pop();
              mkdir(parentPath.join('/'));
              fs.mkdirSync(fullPath, opts.mode);
          }
      }
      
      return exists;
  }
docs: sync version of existsOrCreate
  @param {String} filePath
  @param {Object}  opts     options
  @returns {Boolean} exists