From fd285df63c905fa77a94e4acd87f6dcd4d7db2c9 Mon Sep 17 00:00:00 2001
From: Drew Cerny <dcerny@paypal.com>
Date: Mon, 27 Jun 2022 10:10:35 -0500
Subject: [PATCH] passthrough loadend event

---
 src/create-passthrough.ts |  2 +-
 test/passthrough_test.js  | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/create-passthrough.ts b/src/create-passthrough.ts
index 0ed7d9a..73f6dd1 100644
--- a/src/create-passthrough.ts
+++ b/src/create-passthrough.ts
@@ -1,6 +1,6 @@
 export function createPassthrough(fakeXHR, nativeXMLHttpRequest) {
   // event types to handle on the xhr
-  var evts = ['error', 'timeout', 'abort', 'readystatechange'];
+  var evts = ['error', 'timeout', 'abort', 'readystatechange','loadend'];
 
   // event types to handle on the xhr.upload
   var uploadEvents = [];
diff --git a/test/passthrough_test.js b/test/passthrough_test.js
index b7d6277..b9eccd4 100644
--- a/test/passthrough_test.js
+++ b/test/passthrough_test.js
@@ -181,7 +181,7 @@ describe('passthrough requests', function (config) {
   });
 
   it('asynchronous request fires events', function (assert) {
-    assert.expect(6);
+    assert.expect(8);
 
     var pretender = this.pretender;
     var done = assert.async();
@@ -192,11 +192,13 @@ describe('passthrough requests', function (config) {
       load: false,
       progress: false,
       readystatechange: false,
+      loadend: false
     };
     var listenerEvents = {
       load: false,
       progress: false,
       readystatechange: false,
+      loadend: false
     };
 
     var xhr = new window.XMLHttpRequest();
@@ -234,6 +236,15 @@ describe('passthrough requests', function (config) {
       }
     };
 
+    xhr.addEventListener('loadend', function _loadend() {
+      listenerEvents.loadend = true;
+      finishNext();
+    });
+
+    xhr.onloadend = function _onloadend() {
+      onEvents.loadend = true;
+      finishNext();
+    };
     xhr.send();
 
     // call `finish` in next tick to ensure both load event handlers
@@ -250,6 +261,7 @@ describe('passthrough requests', function (config) {
         assert.ok(onEvents.load, 'onload called');
         assert.ok(onEvents.progress, 'onprogress called');
         assert.ok(onEvents.readystatechange, 'onreadystate called');
+        assert.ok(onEvents.loadend, 'loadend called');
 
         assert.ok(listenerEvents.load, 'load listener called');
         assert.ok(listenerEvents.progress, 'progress listener called');
@@ -257,6 +269,7 @@ describe('passthrough requests', function (config) {
           listenerEvents.readystatechange,
           'readystate listener called'
         );
+        assert.ok(listenerEvents.loadend, 'loadend listener called');
 
         done();
       }