fix: improve typing exposed for flat configs

Author: RebeccaStevens

src/utils/rule.ts

@@ -8,7 +8,6 @@ import {
   type ReportDescriptor,
   type RuleContext,
   type RuleListener,
-  type RuleModule,
 } from "@typescript-eslint/utils/ts-eslint";
 import {
   Immutability,
@@ -51,11 +50,15 @@ export type NamedCreateRuleCustomMeta<
  */
 export type BaseOptions = ReadonlyArray<unknown>;
 
-export type CustomRuleModule<
+// eslint-disable-next-line functional/no-mixed-types
+export type RuleDefinition<
   MessageIds extends string,
   Options extends BaseOptions,
-> = Omit<RuleModule<MessageIds, Options>, "meta"> & {
+> = {
   readonly meta: NamedCreateRuleCustomMeta<MessageIds, Options>;
+  readonly create: (
+    context: RuleDefinition<MessageIds, Options>,
+  ) => RuleListener;
 };
 
 /**
@@ -174,7 +177,7 @@ export function createRuleUsingFunction<
         ]),
       );
     },
-  }) as unknown as CustomRuleModule<MessageIds, Options>;
+  }) as unknown as RuleDefinition<MessageIds, Options>;
 }
 
 /**

tests/helpers/testers.ts

@@ -1,4 +1,4 @@
-import { type CustomRuleModule } from "#eslint-plugin-functional/utils/rule";
+import { type RuleDefinition } from "#eslint-plugin-functional/utils/rule";
 
 import { getRuleTester } from "./RuleTester";
 import { configs } from "./configs";
@@ -20,7 +20,7 @@ type TestFunction<
 export function testRule<
   TMessageIds extends string,
   TOptions extends Readonly<unknown[]>,
->(ruleName: string, rule: CustomRuleModule<TMessageIds, TOptions>) {
+>(ruleName: string, rule: RuleDefinition<TMessageIds, TOptions>) {
   return Object.fromEntries(
     [...Object.entries(configs)].map(
       ([configName, config]): [

tests/helpers/util.ts

@@ -11,7 +11,7 @@ import { type NamedCreateRuleMeta } from "@typescript-eslint/utils/eslint-utils"
 
 import {
   createRuleUsingFunction,
-  type CustomRuleModule,
+  type RuleDefinition,
   type RuleFunctionsMap,
 } from "#eslint-plugin-functional/utils/rule";
 
@@ -87,7 +87,7 @@ export function createDummyRule(
   create: (
     context: Readonly<TSESLint.RuleContext<"generic", any>>,
   ) => RuleFunctionsMap<any, "generic", any>,
-): CustomRuleModule<string, [boolean, ...unknown[]]> {
+): RuleDefinition<string, [boolean, ...unknown[]]> {
   const meta: NamedCreateRuleMeta<"generic", []> = {
     type: "suggestion",
     docs: {
@@ -143,12 +143,12 @@ export function addFilename<
 }
 
 export type MessagesOf<
-  T extends CustomRuleModule<string, ReadonlyArray<unknown>>,
+  T extends RuleDefinition<string, ReadonlyArray<unknown>>,
 > =
-  T extends CustomRuleModule<infer Messages, ReadonlyArray<unknown>>
+  T extends RuleDefinition<infer Messages, ReadonlyArray<unknown>>
     ? Messages
     : never;
 
 export type OptionsOf<
-  T extends CustomRuleModule<string, ReadonlyArray<unknown>>,
-> = T extends CustomRuleModule<string, infer Options> ? Options : never;
+  T extends RuleDefinition<string, ReadonlyArray<unknown>>,
+> = T extends RuleDefinition<string, infer Options> ? Options : never;