react sanfona

{
        key: 'handleExpand',
        value: function handleExpand() {
          var _this2 = this;
          const {onExpand, slug} = this.props;

          // var onExpand = this.props.onExpand;


          this.startTransition();
          this.timeout = setTimeout(function () {
            _this2.setState({
              maxHeight: 'none',
              overflow: 'visible'
            });

            if (onExpand) {
              onExpand(slug);
            }
          }, this.state.duration);
        }
      }