code: function removePrefixFromFilepath(filepath, prefix) {
      prefix += "/";
      if (filepath.indexOf(prefix) === 0) {
          filepath = filepath.substr(prefix.length);
      }
      return filepath;
  }
docs: Remove a prefix from a filepath
  @param {string} filepath Path to remove the prefix from
  @param {string} prefix Prefix to remove from filepath
  @returns {string} Normalized filepath