91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule RCTNetworking
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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 FormData = require('FormData');
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const NativeEventEmitter = require('NativeEventEmitter');
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const RCTNetworkingNative = require('NativeModules').Networking;
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type Header = [string, string];
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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: string | FormData | {uri: string},
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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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) {
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const body =
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typeof data === 'string' ? {string: data} :
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data instanceof FormData ? {formData: getParts(data)} :
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data;
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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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);
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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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function getParts(data) {
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return data.getParts().map((part) => {
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part.headers = convertHeadersMapToArray(part.headers);
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return part;
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});
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}
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module.exports = new RCTNetworking();
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