react-native/flow/Map.js

39 lines
1.3 KiB
JavaScript

/**
* Copyright (c) 2015-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.
*
* @flow
*/
// These annotations are copy/pasted from the built-in Flow definitions for
// Native Map.
declare module "Map" {
// Use the name "MapPolyfill" so that we don't get confusing error
// messages about "Using Map instead of Map".
declare class MapPolyfill<K, V> {
@@iterator(): Iterator<[K, V]>;
constructor<Key, Value>(_: void): MapPolyfill<Key, Value>;
constructor<Key, Value>(_: null): MapPolyfill<Key, Value>;
constructor<Key, Value>(iterable: Iterable<[Key, Value]>): MapPolyfill<Key, Value>;
clear(): void;
delete(key: K): boolean;
entries(): Iterator<[K, V]>;
forEach(callbackfn: (value: V, index: K, map: MapPolyfill<K, V>) => mixed, thisArg?: any): void;
get(key: K): V | void;
has(key: K): boolean;
keys(): Iterator<K>;
set(key: K, value: V): MapPolyfill<K, V>;
size: number;
values(): Iterator<V>;
}
// Don't "declare class exports" directly, otherwise in error messages our
// show up as "exports" instead of "Map" or "MapPolyfill".
declare var exports: typeof MapPolyfill;
}