getIcon = key => {
  switch(key) {
      case: 'facebook': 
         return {
              <MaterialUiComponent {...rest} />
         }
   }
}



const Contact: React.FC<ContactPropsType> = ({ key, contactTitle, contactLink }) => {
  return (
    <div>
      <span>
        {getIcon(key)}
        {contactTitle}: {contactLink}
      </span>
    </div>
  )
}