mirror of
https://github.com/zhigang1992/react-native.git
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57c1a7add2
Summary: `setupDevtools.js` is accessing `AppState.currentState` without checking its availability. In environments where 1) `__DEV__ == true`, and 2) no `RCTAppState` native module is provided thus resorting to `MissingNativeAppStateShim`, this will result in an exception: ```Cannot use 'AppState' module when native 'RCTAppState' is not included in the build. Either include it, or check 'AppState'.isAvailable before calling any methods.``` (Interestingly, `MissingNativeAppStateShim.currentState` did have a [default `null` value](118e88393e (diff-305b5180aa6ccc876ede6767de1fbfc4R192)) that was [later removed](a93b7a2da0 (diff-305b5180aa6ccc876ede6767de1fbfc4R186)).) **Update**: Following cpojer's suggestion of revertinga93b7a2da0. Title also updated to reflect this. [General] [Fixed] - Remove MissingNativeRCTNetworkingShim; revert MissingNativeAppStateShim Pull Request resolved: https://github.com/facebook/react-native/pull/24380 Differential Revision: D14932658 Pulled By: cpojer fbshipit-source-id: aef7ca566b3b8660eaed74a8ba3b6b0117b1200c
91 lines
2.4 KiB
JavaScript
91 lines
2.4 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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// Do not require the native RCTNetworking module directly! Use this wrapper module instead.
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// It will add the necessary requestId, so that you don't have to generate it yourself.
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const NativeEventEmitter = require('NativeEventEmitter');
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const RCTNetworkingNative = require('NativeModules').Networking;
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const convertRequestBody = require('convertRequestBody');
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import type {RequestBody} from 'convertRequestBody';
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type Header = [string, string];
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// Convert FormData headers to arrays, which are easier to consume in
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// native on Android.
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function convertHeadersMapToArray(headers: Object): Array<Header> {
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const headerArray = [];
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for (const name in headers) {
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headerArray.push([name, headers[name]]);
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}
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return headerArray;
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}
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let _requestId = 1;
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function generateRequestId(): number {
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return _requestId++;
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}
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/**
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* This class is a wrapper around the native RCTNetworking module. It adds a necessary unique
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* requestId to each network request that can be used to abort that request later on.
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*/
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class RCTNetworking extends NativeEventEmitter {
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constructor() {
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super(RCTNetworkingNative);
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}
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sendRequest(
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method: string,
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trackingName: string,
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url: string,
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headers: Object,
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data: RequestBody,
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responseType: 'text' | 'base64',
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incrementalUpdates: boolean,
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timeout: number,
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callback: (requestId: number) => any,
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withCredentials: boolean,
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) {
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const body = convertRequestBody(data);
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if (body && body.formData) {
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body.formData = body.formData.map(part => ({
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...part,
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headers: convertHeadersMapToArray(part.headers),
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}));
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}
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const requestId = generateRequestId();
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RCTNetworkingNative.sendRequest(
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method,
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url,
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requestId,
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convertHeadersMapToArray(headers),
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{...body, trackingName},
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responseType,
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incrementalUpdates,
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timeout,
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withCredentials,
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);
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callback(requestId);
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}
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abortRequest(requestId: number) {
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RCTNetworkingNative.abortRequest(requestId);
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}
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clearCookies(callback: (result: boolean) => any) {
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RCTNetworkingNative.clearCookies(callback);
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}
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}
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module.exports = new RCTNetworking();
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