docs: function initAssets (args) {
      // default to empty strings
      this.css = ''
      this.js = ''
      // if client has css use it
      if (defined(args.css)) {
          // require css to be a string
          this.assert(typeof args.css === 'string', 117)
          // set component css
          this.css = args.css
      }
      // if client has js set use it
      if (defined(args.js)) {
          // require js to be string
          this.assert(typeof args.js === 'string', 114)
          // set component js
          this.js = args.js
      }
  }