react-relay/lib/assertFragmentMap.js

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * 
 * @format
 */
// flowlint ambiguous-object-type:error
'use strict';

var invariant = require("fbjs/lib/invariant");

/**
 * Fail fast if the user supplies invalid fragments as input.
 */
function assertFragmentMap(componentName, fragmentSpec) {
  !(fragmentSpec && typeof fragmentSpec === 'object') ? process.env.NODE_ENV !== "production" ? invariant(false, 'Could not create Relay Container for `%s`. ' + 'Expected a set of GraphQL fragments, got `%s` instead.', componentName, fragmentSpec) : invariant(false) : void 0;

  for (var key in fragmentSpec) {
    if (fragmentSpec.hasOwnProperty(key)) {
      var fragment = fragmentSpec[key];
      !(fragment && (typeof fragment === 'object' || typeof fragment === 'function')) ? process.env.NODE_ENV !== "production" ? invariant(false, 'Could not create Relay Container for `%s`. ' + 'The value of fragment `%s` was expected to be a fragment, got `%s` instead.', componentName, key, fragment) : invariant(false) : void 0;
    }
  }
}

module.exports = assertFragmentMap;