Do you have to install react prop-types code example
Example 1: react props.children proptype
import PropTypes from 'prop-types'
...
static propTypes = {
children: PropTypes.oneOfType([
PropTypes.arrayOf(PropTypes.node),
PropTypes.node
]).isRequired
}
Example 2: react proptypes example
Detaljer.PropTypes = {
detaljer: PropTypes.string.isRequired,
feilkode: PropTypes.string,
removeEvent: PropTypes.string.isRequired
};
Detaljer.propTypes = {
detaljer: PropTypes.string.isRequired,
feilkode: PropTypes.string,
removeEvent: PropTypes.string.isRequired
};