relativeTo(absolute, resolver) {
    resolver = resolver || this.settings.resolver; // Get Urls relative to current sections

    return this.urls.map(function (href) {
      var resolved = resolver(href);
      var relative = new utils_path["a" /* default */](absolute).relative(resolved);
      return relative;
    }.bind(this));
  }
Resolve all resources URLs relative to an absolute URL
@param  {string} absolute to be resolved to
@param  {resolver} [resolver]
@return {string[]} array with relative Urls