ReactFlightParcelReferences.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

import type {ReactClientValue} from 'react-server/src/ReactFlightServer';

export type ServerReference<T: Function> = T & {
  $$typeof: symbol,
  $$id: string,
  $$bound: null | Array<ReactClientValue>,
  $$location?: Error,
};

// eslint-disable-next-line no-unused-vars
export type ClientReference<T> = {
  $$typeof: symbol,
  $$id: string,
  $$name: string,
  $$bundles: Array<string>,
  $$importMap?: ?{[string]: string},
};

const CLIENT_REFERENCE_TAG = Symbol.for('react.client.reference');
const SERVER_REFERENCE_TAG = Symbol.for('react.server.reference');

export function isClientReference(reference: Object): boolean {
  return reference.$$typeof === CLIENT_REFERENCE_TAG;
}

export function isServerReference(reference: Object): boolean {
  return reference.$$typeof === SERVER_REFERENCE_TAG;
}

export function createClientReference<T>(
  id: string,
  exportName: string,
  bundles: Array<string>,
  importMap?: ?{[string]: string},
): ClientReference<T> {
  return {
    $$typeof: CLIENT_REFERENCE_TAG,
    $$id: id,
    $$name: exportName,
    $$bundles: bundles,
    $$importMap: importMap,
  };
}

// $FlowFixMe[method-unbinding]
const FunctionBind = Function.prototype.bind;
// $FlowFixMe[method-unbinding]
const ArraySlice = Array.prototype.slice;
function bind(this: ServerReference<any>): any {
  // $FlowFixMe[incompatible-call]
  const newFn = FunctionBind.apply(this, arguments);
// ... (78 more lines)