refactor: use named export for XMLHttpRequest shim

Author: darrachequesne

lib/transports/polling.ts

@@ -3,7 +3,7 @@ import debugModule from "debug"; // debug()
 import { yeast } from "../contrib/yeast.js";
 import { encode } from "../contrib/parseqs.js";
 import { encodePayload, decodePayload, RawData } from "engine.io-parser";
-import XMLHttpRequest from "./xmlhttprequest.js";
+import { XHR as XMLHttpRequest } from "./xmlhttprequest.js";
 import { Emitter } from "@socket.io/component-emitter";
 import { SocketOptions } from "../socket.js";
 import { installTimerFunctions, pick } from "../util.js";

lib/transports/xmlhttprequest.browser.ts

@@ -3,7 +3,7 @@
 import { hasCORS } from "../contrib/has-cors.js";
 import { globalThisShim as globalThis } from "../globalThis.js";
 
-export default function(opts) {
+export function XHR(opts) {
   const xdomain = opts.xdomain;
 
   // XMLHttpRequest can be disabled on IE

lib/transports/xmlhttprequest.ts

@@ -1,5 +1,3 @@
 import * as XMLHttpRequestModule from "xmlhttprequest-ssl";
 
-const XMLHttpRequest = XMLHttpRequestModule.default || XMLHttpRequestModule;
-
-export default XMLHttpRequest;
+export const XHR = XMLHttpRequestModule.default || XMLHttpRequestModule;

lib/xmlhttprequest.ts

@@ -1,5 +1,5 @@
 const expect = require("expect.js");
-const XMLHttpRequest = require("../build/cjs/xmlhttprequest").default;
+const XMLHttpRequest = require("../build/cjs/transports/xmlhttprequest").XHR;
 const env = require("./support/env");
 
 describe("XMLHttpRequest", () => {