react-esm/dist-src/forwardRef.js

React is a JavaScript library for building user interfaces.

/**
 * 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.
 */
import { REACT_FORWARD_REF_TYPE, REACT_MEMO_TYPE } from "./shared/ReactSymbols.js";
import warningWithoutStack from "./shared/warningWithoutStack.js";
export default function forwardRef(render) {
  if (__DEV__) {
    if (render != null && render.$$typeof === REACT_MEMO_TYPE) {
      warningWithoutStack(false, 'forwardRef requires a render function but received a `memo` ' + 'component. Instead of forwardRef(memo(...)), use ' + 'memo(forwardRef(...)).');
    } else if (typeof render !== 'function') {
      warningWithoutStack(false, 'forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render);
    } else {
      warningWithoutStack( // Do not warn for 0 arguments because it could be due to usage of the 'arguments' object
      render.length === 0 || render.length === 2, 'forwardRef render functions accept exactly two parameters: props and ref. %s', render.length === 1 ? 'Did you forget to use the ref parameter?' : 'Any additional parameter will be undefined.');
    }

    if (render != null) {
      warningWithoutStack(render.defaultProps == null && render.propTypes == null, 'forwardRef render functions do not support propTypes or defaultProps. ' + 'Did you accidentally pass a React component?');
    }
  }

  return {
    $$typeof: REACT_FORWARD_REF_TYPE,
    render
  };
}