Initial commit

node_modules/axios/lib/adapters/xhr.js

@@ -0,0 +1,174 @@
+'use strict';
+
+var utils = require('./../utils');
+var settle = require('./../core/settle');
+var buildURL = require('./../helpers/buildURL');
+var parseHeaders = require('./../helpers/parseHeaders');
+var isURLSameOrigin = require('./../helpers/isURLSameOrigin');
+var createError = require('../core/createError');
+
+module.exports = function xhrAdapter(config) {
+  return new Promise(function dispatchXhrRequest(resolve, reject) {
+    var requestData = config.data;
+    var requestHeaders = config.headers;
+
+    if (utils.isFormData(requestData)) {
+      delete requestHeaders['Content-Type']; // Let the browser set it
+    }
+
+    var request = new XMLHttpRequest();
+
+    // HTTP basic authentication
+    if (config.auth) {
+      var username = config.auth.username || '';
+      var password = config.auth.password || '';
+      requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);
+    }
+
+    request.open(config.method.toUpperCase(), buildURL(config.url, config.params, config.paramsSerializer), true);
+
+    // Set the request timeout in MS
+    request.timeout = config.timeout;
+
+    // Listen for ready state
+    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;
+      }
+
+      // Prepare the response
+      var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
+      var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
+      var response = {
+        data: responseData,
+        status: request.status,
+        statusText: request.statusText,
+        headers: responseHeaders,
+        config: config,
+        request: request
+      };
+
+      settle(resolve, reject, response);
+
+      // Clean up request
+      request = null;
+    };
+
+    // Handle browser request cancellation (as opposed to a manual cancellation)
+    request.onabort = function handleAbort() {
+      if (!request) {
+        return;
+      }
+
+      reject(createError('Request aborted', config, 'ECONNABORTED', 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(createError('Network Error', config, null, request));
+
+      // Clean up request
+      request = null;
+    };
+
+    // Handle timeout
+    request.ontimeout = function handleTimeout() {
+      reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED',
+        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 (utils.isStandardBrowserEnv()) {
+      var cookies = require('./../helpers/cookies');
+
+      // Add xsrf header
+      var xsrfValue = (config.withCredentials || isURLSameOrigin(config.url)) && config.xsrfCookieName ?
+        cookies.read(config.xsrfCookieName) :
+        undefined;
+
+      if (xsrfValue) {
+        requestHeaders[config.xsrfHeaderName] = xsrfValue;
+      }
+    }
+
+    // Add headers to the request
+    if ('setRequestHeader' in request) {
+      utils.forEach(requestHeaders, function setRequestHeader(val, key) {
+        if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {
+          // Remove Content-Type if data is undefined
+          delete requestHeaders[key];
+        } else {
+          // Otherwise add header to the request
+          request.setRequestHeader(key, val);
+        }
+      });
+    }
+
+    // Add withCredentials to request if needed
+    if (config.withCredentials) {
+      request.withCredentials = true;
+    }
+
+    // Add responseType to request if needed
+    if (config.responseType) {
+      try {
+        request.responseType = config.responseType;
+      } catch (e) {
+        // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.
+        // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.
+        if (config.responseType !== 'json') {
+          throw e;
+        }
+      }
+    }
+
+    // Handle progress if needed
+    if (typeof config.onDownloadProgress === 'function') {
+      request.addEventListener('progress', config.onDownloadProgress);
+    }
+
+    // Not all browsers support upload events
+    if (typeof config.onUploadProgress === 'function' && request.upload) {
+      request.upload.addEventListener('progress', config.onUploadProgress);
+    }
+
+    if (config.cancelToken) {
+      // Handle cancellation
+      config.cancelToken.promise.then(function onCanceled(cancel) {
+        if (!request) {
+          return;
+        }
+
+        request.abort();
+        reject(cancel);
+        // Clean up request
+        request = null;
+      });
+    }
+
+    if (requestData === undefined) {
+      requestData = null;
+    }
+
+    // Send the request
+    request.send(requestData);
+  });
+};