code: function resourcePath(resourceId, dest = '') {
    const subPath = idKeys(resourceId);
    // Remove first item because it is the "resource type"
    // If there _is_ only one item in the ID, it will be left alone
    // To serve as the filename.
    if (subPath.length !== 0 && subPath.length > 1) {
      subPath.shift();
    }
    const filename = subPath.pop() + '.html';
    const outputPath = path.normalize(
      path.join(dest, subPath.join(path.sep), filename)
    );
    return outputPath;
  }
docs: Generate a path for a resource based on its ID.
  @param {String} resourceId   '.'-separated ID for this resource
  @param {String} dest         This path will be prepended
  @return {String} path