59 строки
1.3 KiB
JavaScript
59 строки
1.3 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 React = require('react');
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const {Alert, Button, View} = require('react-native');
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class XHRExampleAbortController extends React.Component<{}, {}> {
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_timeout: any;
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_submit(abortDelay) {
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clearTimeout(this._timeout);
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// eslint-disable-next-line no-undef
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const abortController = new AbortController();
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fetch('https://facebook.github.io/react-native/', {
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signal: abortController.signal,
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})
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.then(res => res.text())
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.then(res => Alert.alert(res))
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.catch(err => Alert.alert(err.message));
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this._timeout = setTimeout(() => {
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abortController.abort();
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}, abortDelay);
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}
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componentWillUnmount() {
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clearTimeout(this._timeout);
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}
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render() {
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return (
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<View>
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<Button
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title="Abort before response"
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onPress={() => {
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this._submit(0);
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}}
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/>
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<Button
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title="Abort after response"
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onPress={() => {
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this._submit(5000);
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}}
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/>
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</View>
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);
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}
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}
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module.exports = XHRExampleAbortController;
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