App Class — react Architecture

Source Code

packages/react-dom/src/__tests__/ReactDOMSVG-test.js lines 130–163

    class App extends React.Component {
      state = {step: 0};

      render() {
        inst = this;
        const {step} = this.state;
        if (step === 0) {
          return null;
        }
        return (
          <g ref={el => (g = el)} strokeWidth="5">
            <svg ref={el => (svg2 = el)}>
              <foreignObject ref={el => (foreignObject = el)}>
                <svg ref={el => (svg3 = el)}>
                  <svg ref={el => (svg4 = el)} />
                  <image
                    ref={el => (image = el)}
                    xlinkHref="http://i.imgur.com/w7GCRPb.png"
                  />
                </svg>
                <div ref={el => (div = el)} />
              </foreignObject>
            </svg>
            <image
              ref={el => (image2 = el)}
              xlinkHref="http://i.imgur.com/w7GCRPb.png"
            />
            <foreignObject ref={el => (foreignObject2 = el)}>
              <div ref={el => (div2 = el)} />
            </foreignObject>
          </g>
        );
      }
    }