fix: type errors

Author: RebeccaStevens

src/rules/no-expression-statements.ts

@@ -168,7 +168,7 @@ function checkExpressionStatement(
             returnStatements.every(
               (statement) =>
                 statement.expression !== undefined &&
-                tsApiUtils.isThisKeyword(statement.expression),
+                tsApiUtils?.isThisKeyword(statement.expression),
             )
           ) {
             return {

src/utils/rule.ts

@@ -55,9 +55,10 @@ export type RuleDefinition<
   MessageIds extends string,
   Options extends BaseOptions,
 > = {
+  readonly defaultOptions: Options;
   readonly meta: NamedCreateRuleCustomMeta<MessageIds, Options>;
   readonly create: (
-    context: RuleDefinition<MessageIds, Options>,
+    context: Readonly<RuleContext<MessageIds, Options>>,
   ) => RuleListener;
 };
 

tests/helpers/util.ts

@@ -142,13 +142,8 @@ export function addFilename<
   };
 }
 
-export type MessagesOf<
-  T extends RuleDefinition<string, ReadonlyArray<unknown>>,
-> =
-  T extends RuleDefinition<infer Messages, ReadonlyArray<unknown>>
-    ? Messages
-    : never;
-
-export type OptionsOf<
-  T extends RuleDefinition<string, ReadonlyArray<unknown>>,
-> = T extends RuleDefinition<string, infer Options> ? Options : never;
+export type MessagesOf<T extends RuleDefinition<string, any>> =
+  T extends RuleDefinition<infer Messages, any> ? Messages : never;
+
+export type OptionsOf<T extends RuleDefinition<string, any>> =
+  T extends RuleDefinition<string, infer Options> ? Options : never;