68 строки
1.5 KiB
JavaScript
68 строки
1.5 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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import NativePlatformConstantsIOS from './NativePlatformConstantsIOS';
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export type PlatformSelectSpec<D, N, I> = {
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default?: D,
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native?: N,
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ios?: I,
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};
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const Platform = {
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__constants: null,
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OS: 'ios',
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get Version(): string {
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return this.constants.osVersion;
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},
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get constants(): {|
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forceTouchAvailable: boolean,
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interfaceIdiom: string,
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isTesting: boolean,
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osVersion: string,
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reactNativeVersion: {|
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major: number,
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minor: number,
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patch: number,
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prerelease: ?number,
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|},
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systemName: string,
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|} {
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if (this.__constants == null) {
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this.__constants = NativePlatformConstantsIOS.getConstants();
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}
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return this.__constants;
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},
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get isPad(): boolean {
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return this.constants.interfaceIdiom === 'pad';
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},
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/**
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* Deprecated, use `isTV` instead.
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*/
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get isTVOS(): boolean {
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return Platform.isTV;
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},
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get isTV(): boolean {
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return this.constants.interfaceIdiom === 'tv';
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},
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get isTesting(): boolean {
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if (__DEV__) {
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return this.constants.isTesting;
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}
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return false;
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},
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select: <D, N, I>(spec: PlatformSelectSpec<D, N, I>): D | N | I =>
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'ios' in spec ? spec.ios : 'native' in spec ? spec.native : spec.default,
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};
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module.exports = Platform;
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