@mui/base/utils/resolveComponentProps.js

/**
 * If `componentProps` is a function, calls it with the provided `ownerState`.
 * Otherwise, just returns `componentProps`.
 */
export default function resolveComponentProps(componentProps, ownerState) {
  if (typeof componentProps === 'function') {
    return componentProps(ownerState);
  }
  return componentProps;
}