Proptype for dom element

domElementPropType.js

const createDomElementPropType = (isRequired = false)
  => (props, propName, componentName)
  => {
    if (isRequired && !props[propName]) {
      return new Error(`${componentName}: prop '${propName}' is required, must be a dom Element`);
    }
    if (!props[propName] instanceof Element) {
      return new Error(`${componentName}: invalid prop '${propName}', must be a dom Element`);
    }
  };

export const domElementPropType = createDomElementPropType();
domElementPropType.isRequired = createDomElementPropType(true);

Untested