docs: function getHelpers(options) {
    const helpers = {};
    return new Promise((resolve, reject) => {
      if (isGlob(options.helpers)) {
        getFiles(options.helpers).then(helperPaths => {
          helperPaths.forEach(hPath => {
            helpers[keyname(hPath)] = require(hPath);
          });
          resolve(helpers);
        });
      } else {
        resolve(options.helpers);
      }
    });
  }