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deb2a94568
Summary: This change adds type information for `Platform.select` to make sure things are properly typed. This is the last diff in a stack that actually enables the newly fixed/added annotations and it will only land once all the type errors (320+) are fixed. Reviewed By: sahrens Differential Revision: D13318805 fbshipit-source-id: af0475d1a2f1e5ace4d513be48827e3659bd7f62
52 lines
1.2 KiB
JavaScript
52 lines
1.2 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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const NativeModules = require('NativeModules');
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export type PlatformSelectSpec<D, I> = {
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default?: D,
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ios?: I,
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};
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const Platform = {
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OS: 'ios',
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get Version() {
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const constants = NativeModules.PlatformConstants;
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return constants && constants.osVersion;
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},
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get isPad() {
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const constants = NativeModules.PlatformConstants;
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return constants ? constants.interfaceIdiom === 'pad' : false;
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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() {
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return Platform.isTV;
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},
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get isTV() {
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const constants = NativeModules.PlatformConstants;
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return constants ? constants.interfaceIdiom === 'tv' : false;
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},
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get isTesting(): boolean {
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if (__DEV__) {
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const constants = NativeModules.PlatformConstants;
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return constants && constants.isTesting;
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}
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return false;
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},
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select: <D, I>(spec: PlatformSelectSpec<D, I>): D | I =>
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'ios' in spec ? spec.ios : spec.default,
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};
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module.exports = Platform;
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