From 5b66289aa38eebf3e4984ca6f021b0429b301f5b Mon Sep 17 00:00:00 2001
From: Jay Phelps <hello@jayphelps.com>
Date: Tue, 3 Aug 2021 16:36:03 -0700
Subject: [PATCH] fix(jest-environment-node): Add Event and EventTarget to node
 global environment

Fixes #11705
---
 CHANGELOG.md                                | 2 ++
 packages/jest-environment-node/src/index.ts | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6b1d88a6a8d..652eb15fbe26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 ### Fixes
 
+- `[jest-environment-node]` Add `Event` and `EventTarget` to node global environment. ([#11705](https://github.com/facebook/jest/issues/11705))
+
 ### Chore & Maintenance
 
 ### Performance
diff --git a/packages/jest-environment-node/src/index.ts b/packages/jest-environment-node/src/index.ts
index ebf6d4648e4f..26f336b0cd52 100644
--- a/packages/jest-environment-node/src/index.ts
+++ b/packages/jest-environment-node/src/index.ts
@@ -66,6 +66,14 @@ class NodeEnvironment implements JestEnvironment {
     if (typeof AbortController !== 'undefined') {
       global.AbortController = AbortController;
     }
+    // Event is global in Node >= 15.4
+    if (typeof Event !== 'undefined') {
+      global.Event = Event;
+    }
+    // EventTarget is global in Node >= 15.4
+    if (typeof EventTarget !== 'undefined') {
+      global.EventTarget = EventTarget;
+    }
     installCommonGlobals(global, config.globals);
 
     this.moduleMocker = new ModuleMocker(global);