code: function readFileCache (path, noCache, cb) {
      path = abs(path);
  
      if (typeof noCache === "function") {
          cb = noCache;
          noCache = false;
      }
  
      // TODO: Callback buffering
      if (_cache[path] && noCache !== true) {
          return cb(null, _cache[path]);
      }
  
      read(path, (err, data) => {
          if (err) { return cb(err); }
          cb(null, _cache[path] = data);
      });
  }
docs: readFileCache
  Reads the file asyncronously.
  
  @name readFileCache
  @function
  @param {String} path The file path.
  @param {Boolean} noCache If `true`, the file will be read from the disk.
  @param {Function} cb The callback function.