prop-types-extra/lib/utils/createChainableTypeChecker.js

React PropType Utilities

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = createChainableTypeChecker;
/**
 * Copyright 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

// Mostly taken from ReactPropTypes.

function createChainableTypeChecker(validate) {
  function checkType(isRequired, props, propName, componentName, location, propFullName) {
    var componentNameSafe = componentName || '<<anonymous>>';
    var propFullNameSafe = propFullName || propName;

    if (props[propName] == null) {
      if (isRequired) {
        return new Error('Required ' + location + ' `' + propFullNameSafe + '` was not specified ' + ('in `' + componentNameSafe + '`.'));
      }

      return null;
    }

    for (var _len = arguments.length, args = Array(_len > 6 ? _len - 6 : 0), _key = 6; _key < _len; _key++) {
      args[_key - 6] = arguments[_key];
    }

    return validate.apply(undefined, [props, propName, componentNameSafe, location, propFullNameSafe].concat(args));
  }

  var chainedCheckType = checkType.bind(null, false);
  chainedCheckType.isRequired = checkType.bind(null, true);

  return chainedCheckType;
}
module.exports = exports['default'];