react-day-picker/src/PropTypes.js

Flexible date picker component for React

import PropTypes from 'prop-types';

const PrimitiveTypes = {
  localeUtils: PropTypes.shape({
    formatMonthTitle: PropTypes.func,
    formatWeekdayShort: PropTypes.func,
    formatWeekdayLong: PropTypes.func,
    getFirstDayOfWeek: PropTypes.func,
  }),
  range: PropTypes.shape({
    from: PropTypes.instanceOf(Date),
    to: PropTypes.instanceOf(Date),
  }),
  after: PropTypes.shape({
    after: PropTypes.instanceOf(Date),
  }),
  before: PropTypes.shape({
    before: PropTypes.instanceOf(Date),
  }),
};

export const ModifierPropType = PropTypes.oneOfType([
  PrimitiveTypes.after,
  PrimitiveTypes.before,
  PrimitiveTypes.range,
  PropTypes.func,
  PropTypes.array,
]);

export default PrimitiveTypes;