Function createPrimitiveTypeChecker

examples/simple/react.js:12528–12544

(expectedType)

}

function createPrimitiveTypeChecker(expectedType) {
  function validate(props, propName, componentName, location, propFullName) {
    var propValue = props[propName];
    var propType = getPropType(propValue);
    if (propType !== expectedType) {
      var locationName = ReactPropTypeLocationNames[location];
      // `propValue` being instance of, say, date/regexp, pass the 'object'
      // check, but we can offer a more precise error message here rather than
      // 'of type `object`'.
      var preciseType = getPreciseType(propValue);

      return new Error('Invalid ' + locationName + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));
    }
    return null;
  }
  return createChainableTypeChecker(validate);
}

function createAnyTypeChecker() {
  return createChainableTypeChecker(emptyFunction.thatReturns(null));