From 3b59aed8556c5103ada9efa175896f83e0fac6c0 Mon Sep 17 00:00:00 2001
From: Johannes Raggam <thetetet@gmail.com>
Date: Thu, 15 Sep 2022 13:13:44 +0200
Subject: [PATCH] feat: Define the close, show and showModal methods in dialog
 elements.

---
 jest/setup-tests.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/jest/setup-tests.js b/jest/setup-tests.js
index cd8dfe1..d9cc6cb 100644
--- a/jest/setup-tests.js
+++ b/jest/setup-tests.js
@@ -99,3 +99,17 @@ Object.defineProperty(window, "matchMedia", {
         dispatchEvent: jest.fn(),
     })),
 });
+
+// Define the close, show and showModal methods in dialog elements.
+// Also see:
+// - https://developer.mozilla.org/en-US/docs/Web/API/HTMLDialogElement
+// - https://github.com/jsdom/jsdom/issues/3294
+HTMLDialogElement.prototype.close = jest.fn().mockImplementation(function () {
+    this.open = false;
+});
+HTMLDialogElement.prototype.show = jest.fn().mockImplementation(function () {
+    this.open = true;
+});
+HTMLDialogElement.prototype.showModal = jest.fn().mockImplementation(function () {
+    this.open = true;
+});