Files
30-seconds-of-code/node_modules/relay-runtime/lib/getRelayHandleKey.js
2019-08-20 15:52:05 +02:00

27 lines
882 B
JavaScript

/**
* 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
*/
'use strict';
/**
* @internal
*
* Helper to create a unique name for a handle field based on the handle name, handle key and
* source field.
*/
function getRelayHandleKey(handleName, key, fieldName) {
if (key && key !== require("./RelayDefaultHandleKey").DEFAULT_HANDLE_KEY) {
return "__".concat(key, "_").concat(handleName);
}
!(fieldName != null) ? process.env.NODE_ENV !== "production" ? require("fbjs/lib/invariant")(false, 'getRelayHandleKey: Expected either `fieldName` or `key` in `handle` to be provided') : require("fbjs/lib/invariant")(false) : void 0;
return "__".concat(fieldName, "_").concat(handleName);
}
module.exports = getRelayHandleKey;