@mui/material/esm/utils/isHostComponent.js

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

/**
 * Determines if a given element is a DOM element name (i.e. not a React component).
 */
function isHostComponent(element) {
  return typeof element === 'string';
}
export default isHostComponent;