From 28addd49da71cd710cad6b475dea5828b438f018 Mon Sep 17 00:00:00 2001
From: Nathan Rajlich <n@n8.io>
Date: Mon, 13 Nov 2023 02:25:10 -0800
Subject: [PATCH] Make `Event#preventDefault()` only work when `cancelable:
 true`

---
 .changeset/lazy-adults-burn.md          | 5 +++++
 packages/runtime/src/polyfills/event.ts | 6 ++++--
 2 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/lazy-adults-burn.md

diff --git a/.changeset/lazy-adults-burn.md b/.changeset/lazy-adults-burn.md
new file mode 100644
index 00000000..a1dd58b3
--- /dev/null
+++ b/.changeset/lazy-adults-burn.md
@@ -0,0 +1,5 @@
+---
+'nxjs-runtime': patch
+---
+
+Make `Event#preventDefault()` only work when `cancelable: true`
diff --git a/packages/runtime/src/polyfills/event.ts b/packages/runtime/src/polyfills/event.ts
index 826269a5..dcba5cda 100644
--- a/packages/runtime/src/polyfills/event.ts
+++ b/packages/runtime/src/polyfills/event.ts
@@ -63,8 +63,10 @@ export class Event implements globalThis.Event {
 		throw new Error('Method not implemented.');
 	}
 	preventDefault(): void {
-		// @ts-expect-error - `defaultPrevented` is readonly
-		this.defaultPrevented = true;
+		if (this.cancelable) {
+			// @ts-expect-error - `defaultPrevented` is readonly
+			this.defaultPrevented = true;
+		}
 	}
 	stopImmediatePropagation(): void {
 		throw new Error('Method not implemented.');