/** * 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. * * @format * @flow strict-local */ import NativeSampleTurboModule from 'react-native/Libraries/TurboModule/samples/NativeSampleTurboModule'; import {EnumInt} from 'react-native/Libraries/TurboModule/samples/NativeSampleTurboModule'; import type {RootTag} from 'react-native/Libraries/ReactNative/RootTag'; import { StyleSheet, Text, View, FlatList, Platform, TouchableOpacity, RootTagContext, } from 'react-native'; import * as React from 'react'; type State = {| testResults: { [string]: { type: string, value: mixed, ... }, ... }, |}; class SampleTurboModuleExample extends React.Component<{||}, State> { static contextType: React$Context = RootTagContext; state: State = { testResults: {}, }; // Add calls to methods in TurboModule here // $FlowFixMe[missing-local-annot] _tests = { callback: () => NativeSampleTurboModule.getValueWithCallback(callbackValue => this._setResult('callback', callbackValue), ), promise: () => NativeSampleTurboModule.getValueWithPromise(false).then(valuePromise => this._setResult('promise', valuePromise), ), rejectPromise: () => NativeSampleTurboModule.getValueWithPromise(true) .then(() => {}) .catch(e => this._setResult('rejectPromise', e.message)), getConstants: () => NativeSampleTurboModule.getConstants(), voidFunc: () => NativeSampleTurboModule.voidFunc(), getBool: () => NativeSampleTurboModule.getBool(true), getEnum: () => NativeSampleTurboModule.getEnum ? NativeSampleTurboModule.getEnum(EnumInt.A) : null, getNumber: () => NativeSampleTurboModule.getNumber(99.95), getString: () => NativeSampleTurboModule.getString('Hello'), getArray: () => NativeSampleTurboModule.getArray([ {a: 1, b: 'foo'}, {a: 2, b: 'bar'}, null, ]), getObject: () => NativeSampleTurboModule.getObject({a: 1, b: 'foo', c: null}), getUnsafeObject: () => NativeSampleTurboModule.getObject({a: 1, b: 'foo', c: null}), getRootTag: () => NativeSampleTurboModule.getRootTag(this.context), getValue: () => NativeSampleTurboModule.getValue(5, 'test', {a: 1, b: 'foo'}), }; _setResult( name: | string | 'callback' | 'getArray' | 'getBool' | 'getEnum' | 'getConstants' | 'getNumber' | 'getObject' | 'getRootTag' | 'getString' | 'getUnsafeObject' | 'getValue' | 'promise' | 'rejectPromise' | 'voidFunc', result: | $FlowFixMe | void | RootTag | Promise | number | string | boolean | {const1: boolean, const2: number, const3: string} | Array<$FlowFixMe>, ) { this.setState(({testResults}) => ({ /* $FlowFixMe[cannot-spread-indexer] (>=0.122.0 site=react_native_fb) * This comment suppresses an error found when Flow v0.122.0 was * deployed. To see the error, delete this comment and run Flow. */ testResults: { ...testResults, /* $FlowFixMe[invalid-computed-prop] (>=0.111.0 site=react_native_fb) * This comment suppresses an error found when Flow v0.111 was * deployed. To see the error, delete this comment and run Flow. */ [name]: {value: result, type: typeof result}, }, })); } _renderResult( name: | 'callback' | 'getArray' | 'getBool' | 'getEnum' | 'getConstants' | 'getNumber' | 'getObject' | 'getRootTag' | 'getString' | 'getUnsafeObject' | 'getValue' | 'promise' | 'rejectPromise' | 'voidFunc', ): React.Node { const result = this.state.testResults[name] || {}; return ( {JSON.stringify(result.value)} {result.type} ); } componentDidMount(): void { if (global.__turboModuleProxy == null) { throw new Error( 'Cannot load this example because TurboModule is not configured.', ); } if (Platform.OS === 'ios') { // iOS is fully implemented, so show all results immediately. Object.keys(this._tests).forEach(item => this._setResult(item, this._tests[item]()), ); } } render(): React.Node { return ( Object.keys(this._tests).forEach(item => this._setResult(item, this._tests[item]()), ) }> Run all tests this.setState({testResults: {}})} style={[styles.column, styles.button]}> Clear results item} renderItem={({item}) => ( this._setResult(item, this._tests[item]())}> {item} {this._renderResult(item)} )} /> ); } } const styles = StyleSheet.create({ container: { flex: 1, }, item: { flexDirection: 'row', margin: 6, }, column: { flex: 2, justifyContent: 'center', padding: 3, }, result: { alignItems: 'stretch', justifyContent: 'space-between', }, value: { fontFamily: Platform.OS === 'ios' ? 'Menlo' : 'monospace', fontSize: 12, }, type: { color: '#333', fontSize: 10, }, button: { borderColor: '#444', padding: 3, flex: 1, }, buttonTextLarge: { textAlign: 'center', color: 'rgb(0,122,255)', fontSize: 16, padding: 6, }, buttonText: { color: 'rgb(0,122,255)', textAlign: 'center', }, }); module.exports = SampleTurboModuleExample;