Function createInstanceTypeChecker

docs/lib/react.js:12664–12675

(expectedClass)

}

function createInstanceTypeChecker(expectedClass) {
  function validate(props, propName, componentName, location, propFullName) {
    if (!(props[propName] instanceof expectedClass)) {
      var locationName = ReactPropTypeLocationNames[location];
      var expectedClassName = expectedClass.name || ANONYMOUS;
      var actualClassName = getClassName(props[propName]);
      return new Error('Invalid ' + locationName + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
    }
    return null;
  }
  return createChainableTypeChecker(validate);
}

function createEnumTypeChecker(expectedValues) {
  if (!Array.isArray(expectedValues)) {