fix(type-utils): make isTypeReadonly's options param optional

fix typescript-eslint#4410
RebeccaStevens · Jan 9, 2022 · 974858a · 974858a
1 parent 97c0e86
commit 974858a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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()) ===