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Direktori : /home/silvzytp/calling_code/node_modules/axios/lib/adapters/ |
Current File : //home/silvzytp/calling_code/node_modules/axios/lib/adapters/xhr.js |
'use strict'; import utils from './../utils.js'; import settle from './../core/settle.js'; import cookies from './../helpers/cookies.js'; import buildURL from './../helpers/buildURL.js'; import buildFullPath from '../core/buildFullPath.js'; import isURLSameOrigin from './../helpers/isURLSameOrigin.js'; import transitionalDefaults from '../defaults/transitional.js'; import AxiosError from '../core/AxiosError.js'; import CanceledError from '../cancel/CanceledError.js'; import parseProtocol from '../helpers/parseProtocol.js'; import platform from '../platform/index.js'; import AxiosHeaders from '../core/AxiosHeaders.js'; import speedometer from '../helpers/speedometer.js'; function progressEventReducer(listener, isDownloadStream) { let bytesNotified = 0; const _speedometer = speedometer(50, 250); return e => { const loaded = e.loaded; const total = e.lengthComputable ? e.total : undefined; const progressBytes = loaded - bytesNotified; const rate = _speedometer(progressBytes); const inRange = loaded <= total; bytesNotified = loaded; const data = { loaded, total, progress: total ? (loaded / total) : undefined, bytes: progressBytes, rate: rate ? rate : undefined, estimated: rate && total && inRange ? (total - loaded) / rate : undefined, event: e }; data[isDownloadStream ? 'download' : 'upload'] = true; listener(data); }; } const isXHRAdapterSupported = typeof XMLHttpRequest !== 'undefined'; export default isXHRAdapterSupported && function (config) { return new Promise(function dispatchXhrRequest(resolve, reject) { let requestData = config.data; const requestHeaders = AxiosHeaders.from(config.headers).normalize(); const responseType = config.responseType; let onCanceled; function done() { if (config.cancelToken) { config.cancelToken.unsubscribe(onCanceled); } if (config.signal) { config.signal.removeEventListener('abort', onCanceled); } } if (utils.isFormData(requestData) && (platform.isStandardBrowserEnv || platform.isStandardBrowserWebWorkerEnv)) { requestHeaders.setContentType(false); // Let the browser set it } let request = new XMLHttpRequest(); // HTTP basic authentication if (config.auth) { const username = config.auth.username || ''; const password = config.auth.password ? unescape(encodeURIComponent(config.auth.password)) : ''; requestHeaders.set('Authorization', 'Basic ' + btoa(username + ':' + password)); } const fullPath = buildFullPath(config.baseURL, config.url); request.open(config.method.toUpperCase(), buildURL(fullPath, config.params, config.paramsSerializer), true); // Set the request timeout in MS request.timeout = config.timeout; function onloadend() { if (!request) { return; } // Prepare the response const responseHeaders = AxiosHeaders.from( 'getAllResponseHeaders' in request && request.getAllResponseHeaders() ); const responseData = !responseType || responseType === 'text' || responseType === 'json' ? request.responseText : request.response; const response = { data: responseData, status: request.status, statusText: request.statusText, headers: responseHeaders, config, request }; settle(function _resolve(value) { resolve(value); done(); }, function _reject(err) { reject(err); done(); }, response); // Clean up request request = null; } if ('onloadend' in request) { // Use onloadend if available request.onloadend = onloadend; } else { // Listen for ready state to emulate onloadend request.onreadystatechange = function handleLoad() { if (!request || request.readyState !== 4) { return; } // The request errored out and we didn't get a response, this will be // handled by onerror instead // With one exception: request that using file: protocol, most browsers // will return status as 0 even though it's a successful request if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) { return; } // readystate handler is calling before onerror or ontimeout handlers, // so we should call onloadend on the next 'tick' setTimeout(onloadend); }; } // Handle browser request cancellation (as opposed to a manual cancellation) request.onabort = function handleAbort() { if (!request) { return; } reject(new AxiosError('Request aborted', AxiosError.ECONNABORTED, config, request)); // Clean up request request = null; }; // Handle low level network errors request.onerror = function handleError() { // Real errors are hidden from us by the browser // onerror should only fire if it's a network error reject(new AxiosError('Network Error', AxiosError.ERR_NETWORK, config, request)); // Clean up request request = null; }; // Handle timeout request.ontimeout = function handleTimeout() { let timeoutErrorMessage = config.timeout ? 'timeout of ' + config.timeout + 'ms exceeded' : 'timeout exceeded'; const transitional = config.transitional || transitionalDefaults; if (config.timeoutErrorMessage) { timeoutErrorMessage = config.timeoutErrorMessage; } reject(new AxiosError( timeoutErrorMessage, transitional.clarifyTimeoutError ? AxiosError.ETIMEDOUT : AxiosError.ECONNABORTED, config, request)); // Clean up request request = null; }; // Add xsrf header // This is only done if running in a standard browser environment. // Specifically not if we're in a web worker, or react-native. if (platform.isStandardBrowserEnv) { // Add xsrf header const xsrfValue = (config.withCredentials || isURLSameOrigin(fullPath)) && config.xsrfCookieName && cookies.read(config.xsrfCookieName); if (xsrfValue) { requestHeaders.set(config.xsrfHeaderName, xsrfValue); } } // Remove Content-Type if data is undefined requestData === undefined && requestHeaders.setContentType(null); // Add headers to the request if ('setRequestHeader' in request) { utils.forEach(requestHeaders.toJSON(), function setRequestHeader(val, key) { request.setRequestHeader(key, val); }); } // Add withCredentials to request if needed if (!utils.isUndefined(config.withCredentials)) { request.withCredentials = !!config.withCredentials; } // Add responseType to request if needed if (responseType && responseType !== 'json') { request.responseType = config.responseType; } // Handle progress if needed if (typeof config.onDownloadProgress === 'function') { request.addEventListener('progress', progressEventReducer(config.onDownloadProgress, true)); } // Not all browsers support upload events if (typeof config.onUploadProgress === 'function' && request.upload) { request.upload.addEventListener('progress', progressEventReducer(config.onUploadProgress)); } if (config.cancelToken || config.signal) { // Handle cancellation // eslint-disable-next-line func-names onCanceled = cancel => { if (!request) { return; } reject(!cancel || cancel.type ? new CanceledError(null, config, request) : cancel); request.abort(); request = null; }; config.cancelToken && config.cancelToken.subscribe(onCanceled); if (config.signal) { config.signal.aborted ? onCanceled() : config.signal.addEventListener('abort', onCanceled); } } const protocol = parseProtocol(fullPath); if (protocol && platform.protocols.indexOf(protocol) === -1) { reject(new AxiosError('Unsupported protocol ' + protocol + ':', AxiosError.ERR_BAD_REQUEST, config)); return; } // Send the request request.send(requestData || null); }); }