From 3a07a563c987ff25f6cd8925eeeb2ede47cc19e8 Mon Sep 17 00:00:00 2001
From: Rebecca Stevens <rebecca.stevens@outlook.co.nz>
Date: Tue, 11 Jan 2022 19:25:47 +1300
Subject: [PATCH] feat(type-utils): make isTypeReadonly's options param
 optional (#4415)

---
 packages/type-utils/src/isTypeReadonly.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/type-utils/src/isTypeReadonly.ts b/packages/type-utils/src/isTypeReadonly.ts
index c6bc0f5761a..7f689b5b7df 100644
--- a/packages/type-utils/src/isTypeReadonly.ts
+++ b/packages/type-utils/src/isTypeReadonly.ts
@@ -243,7 +243,7 @@ function isTypeReadonlyRecurser(
 function isTypeReadonly(
   checker: ts.TypeChecker,
   type: ts.Type,
-  options: ReadonlynessOptions,
+  options: ReadonlynessOptions = readonlynessOptionsDefaults,
 ): boolean {
   return (
     isTypeReadonlyRecurser(checker, type, options, new Set()) ===