@microsoft/signalr/dist/cjs/XhrHttpClient.js

ASP.NET Core SignalR Client

"use strict";
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
exports.XhrHttpClient = void 0;
const Errors_1 = require("./Errors");
const HttpClient_1 = require("./HttpClient");
const ILogger_1 = require("./ILogger");
const Utils_1 = require("./Utils");
class XhrHttpClient extends HttpClient_1.HttpClient {
    constructor(logger) {
        super();
        this._logger = logger;
    }
    /** @inheritDoc */
    send(request) {
        // Check that abort was not signaled before calling send
        if (request.abortSignal && request.abortSignal.aborted) {
            return Promise.reject(new Errors_1.AbortError());
        }
        if (!request.method) {
            return Promise.reject(new Error("No method defined."));
        }
        if (!request.url) {
            return Promise.reject(new Error("No url defined."));
        }
        return new Promise((resolve, reject) => {
            const xhr = new XMLHttpRequest();
            xhr.open(request.method, request.url, true);
            xhr.withCredentials = request.withCredentials === undefined ? true : request.withCredentials;
            xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
            if (request.content === "") {
                request.content = undefined;
            }
            if (request.content) {
                // Explicitly setting the Content-Type header for React Native on Android platform.
                if ((0, Utils_1.isArrayBuffer)(request.content)) {
                    xhr.setRequestHeader("Content-Type", "application/octet-stream");
                }
                else {
                    xhr.setRequestHeader("Content-Type", "text/plain;charset=UTF-8");
                }
            }
            const headers = request.headers;
            if (headers) {
                Object.keys(headers)
                    .forEach((header) => {
                    xhr.setRequestHeader(header, headers[header]);
                });
            }
            if (request.responseType) {
                xhr.responseType = request.responseType;
            }
            if (request.abortSignal) {
                request.abortSignal.onabort = () => {
                    xhr.abort();
                    reject(new Errors_1.AbortError());
                };
            }
            if (request.timeout) {
                xhr.timeout = request.timeout;
            }
            xhr.onload = () => {
                if (request.abortSignal) {
                    request.abortSignal.onabort = null;
                }
                if (xhr.status >= 200 && xhr.status < 300) {
                    resolve(new HttpClient_1.HttpResponse(xhr.status, xhr.statusText, xhr.response || xhr.responseText));
                }
                else {
                    reject(new Errors_1.HttpError(xhr.response || xhr.responseText || xhr.statusText, xhr.status));
                }
            };
            xhr.onerror = () => {
                this._logger.log(ILogger_1.LogLevel.Warning, `Error from HTTP request. ${xhr.status}: ${xhr.statusText}.`);
                reject(new Errors_1.HttpError(xhr.statusText, xhr.status));
            };
            xhr.ontimeout = () => {
                this._logger.log(ILogger_1.LogLevel.Warning, `Timeout from HTTP request.`);
                reject(new Errors_1.TimeoutError());
            };
            xhr.send(request.content);
        });
    }
}
exports.XhrHttpClient = XhrHttpClient;
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