feat(type-utils): make isTypeReadonly's options param optional (typescript-eslint#4415)

RebeccaStevens · web-flow · commit 3a07a563c987 · 2022-01-10T22:25:47.000-08:00
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()) ===
