code: function loadPartials (options) {
      // return cached partials if caching enabled
      if (options.cache && GLOBAL.partials) {
          return GLOBAL.partials
      }
      // load partials
      GLOBAL.partials = loadTemplates(GLOBAL.partialDirs, options)
      // return promise that will be resolved with partials
      return GLOBAL.partials
  }
docs: @function loadPartials
  
  @param {object} options
  
  @returns {Promise}