in src/components/Modal.js [151:169]
componentDidUpdate(prevProps, _, snapshot) {
if (!canUseDOM) return;
const { isOpen, portalClassName } = this.props;
if (prevProps.portalClassName !== portalClassName) {
this.node.className = portalClassName;
}
const { prevParent, nextParent } = snapshot;
if (nextParent !== prevParent) {
prevParent.removeChild(this.node);
nextParent.appendChild(this.node);
}
// Stop unnecessary renders if modal is remaining closed
if (!prevProps.isOpen && !isOpen) return;
!isReact16 && this.renderPortal(this.props);
}