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RCTNetworking.android.js
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RCTNetworking.android.js
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/**
* Copyright (c) Facebook, Inc. and its 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
*/
'use strict';
// Do not require the native RCTNetworking module directly! Use this wrapper module instead.
// It will add the necessary requestId, so that you don't have to generate it yourself.
const NativeEventEmitter = require('../EventEmitter/NativeEventEmitter');
const convertRequestBody = require('./convertRequestBody');
import NativeNetworkingAndroid from './NativeNetworkingAndroid';
import type {RequestBody} from './convertRequestBody';
type Header = [string, string];
// Convert FormData headers to arrays, which are easier to consume in
// native on Android.
function convertHeadersMapToArray(headers: Object): Array<Header> {
const headerArray = [];
for (const name in headers) {
headerArray.push([name, headers[name]]);
}
return headerArray;
}
let _requestId = 1;
function generateRequestId(): number {
return _requestId++;
}
/**
* This class is a wrapper around the native RCTNetworking module. It adds a necessary unique
* requestId to each network request that can be used to abort that request later on.
*/
class RCTNetworking extends NativeEventEmitter {
constructor() {
super(NativeNetworkingAndroid);
}
sendRequest(
method: string,
trackingName: string,
url: string,
headers: Object,
data: RequestBody,
responseType: 'text' | 'base64',
incrementalUpdates: boolean,
timeout: number,
callback: (requestId: number) => mixed,
withCredentials: boolean,
) {
const body = convertRequestBody(data);
if (body && body.formData) {
body.formData = body.formData.map(part => ({
...part,
headers: convertHeadersMapToArray(part.headers),
}));
}
const requestId = generateRequestId();
NativeNetworkingAndroid.sendRequest(
method,
url,
requestId,
convertHeadersMapToArray(headers),
{...body, trackingName},
responseType,
incrementalUpdates,
timeout,
withCredentials,
);
callback(requestId);
}
abortRequest(requestId: number) {
NativeNetworkingAndroid.abortRequest(requestId);
}
clearCookies(callback: (result: boolean) => any) {
NativeNetworkingAndroid.clearCookies(callback);
}
}
module.exports = (new RCTNetworking(): RCTNetworking);