From de0e238e2857c4ec321e6d68875673ee28776cc4 Mon Sep 17 00:00:00 2001
From: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
Date: Thu, 18 Apr 2024 10:19:24 -0700
Subject: [PATCH] Freeze empty arrays

---
 src/compiler/core.ts          | 2 +-
 src/server/utilitiesPublic.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 6ebeff961f499..298622e0cedd2 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -12,7 +12,7 @@ import {
 } from "./_namespaces/ts";
 
 /** @internal */
-export const emptyArray: never[] = [] as never[];
+export const emptyArray: never[] = Object.freeze([]) as never[];
 /** @internal */
 export const emptyMap: ReadonlyMap<never, never> = new Map<never, never>();
 /** @internal */
diff --git a/src/server/utilitiesPublic.ts b/src/server/utilitiesPublic.ts
index ac8e0f3c131c3..b90091e8f2292 100644
--- a/src/server/utilitiesPublic.ts
+++ b/src/server/utilitiesPublic.ts
@@ -19,7 +19,7 @@ export enum LogLevel {
     verbose,
 }
 
-export const emptyArray: SortedReadonlyArray<never> = createSortedArray<never>();
+export const emptyArray: SortedReadonlyArray<never> = Object.freeze(createSortedArray<never>());
 
 export interface Logger {
     close(): void;