Generating SVG with React 

function TextBox({x, y, width=200, height=120, children}) {
  const transform = `translate(${x}, ${y})`;
  return <g className="text-box" transform={transform}>
    <rect x="0" y="0" width={width} height={height} />
    <text x={width/2} y={height/2}>{children}</text>
  </g>;
}