Function validatePropTypes

dash/deps/react@16.14.0.js:1882–1917

* Given an element, validate that its props follow the propTypes definition, * provided by the type. * * @param {ReactElement} element

(element)

  function validatePropTypes(element) {
    {
      var type = element.type;

      if (type === null || type === undefined || typeof type === 'string') {
        return;
      }

      var name = getComponentName(type);
      var propTypes;

      if (typeof type === 'function') {
        propTypes = type.propTypes;
      } else if (typeof type === 'object' && (type.$$typeof === REACT_FORWARD_REF_TYPE || // Note: Memo only checks outer props here.
      // Inner props are checked in the reconciler.
      type.$$typeof === REACT_MEMO_TYPE)) {
        propTypes = type.propTypes;
      } else {
        return;
      }

      if (propTypes) {
        setCurrentlyValidatingElement(element);
        checkPropTypes_1(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum);
        setCurrentlyValidatingElement(null);
      } else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) {
        propTypesMisspellWarningShown = true;

        error('Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
      }

      if (typeof type.getDefaultProps === 'function' && !type.getDefaultProps.isReactClassApproved) {
        error('getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.');
      }
    }
  }
  /**
   * Given a fragment, validate that it can only be provided with fragment props
   * @param {ReactElement} fragment