From 5595264344cf3b23255227c9abaf5ec2f5367090 Mon Sep 17 00:00:00 2001
From: Neko <neko@qwq.icu>
Date: Wed, 2 Aug 2023 15:55:37 +0800
Subject: [PATCH 1/3] fix: parser in FlatConfig should be an object

---
 src/flat-config/language-options.d.ts | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/flat-config/language-options.d.ts b/src/flat-config/language-options.d.ts
index 123cb880..2b2f75fd 100644
--- a/src/flat-config/language-options.d.ts
+++ b/src/flat-config/language-options.d.ts
@@ -1,9 +1,5 @@
-import type {
-  EcmaVersion,
-  Parser,
-  ParserOptions,
-  SourceType,
-} from '../parser-options';
+import type { Linter } from 'eslint';
+import type { EcmaVersion, ParserOptions, SourceType } from '../parser-options';
 
 /**
  * An object containing settings related to how JavaScript is configured for linting
@@ -43,7 +39,7 @@ export interface LanguageOptions {
    *
    * @see [Configuring a custom parser and its options](https://eslint.org/docs/latest/user-guide/configuring/configuration-files-new#configuring-a-custom-parser-and-its-options)
    */
-  parser?: Parser;
+  parser?: Linter.ParserModule;
 
   /**
    * An object specifying additional options that are passed directly to the `parser()` method on the parser. The available options are parser-dependent.

From 621213494986a4207342d772e1f56488a4439d7e Mon Sep 17 00:00:00 2001
From: Neko <neko@qwq.icu>
Date: Wed, 2 Aug 2023 16:01:26 +0800
Subject: [PATCH 2/3] refactor: update comment

---
 src/flat-config/language-options.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/flat-config/language-options.d.ts b/src/flat-config/language-options.d.ts
index 2b2f75fd..5aab057a 100644
--- a/src/flat-config/language-options.d.ts
+++ b/src/flat-config/language-options.d.ts
@@ -33,7 +33,7 @@ export interface LanguageOptions {
   >;
 
   /**
-   * Either an object containing a `parse()` method or a string indicating the name of a parser inside of a plugin (i.e., `"pluginName/parserName"`).
+   * An object containing a parse() or parseForESLint() method.
    *
    * @default "@/espree"
    *

From d44a4e5353453f06ad434817e7b1993008ba2f30 Mon Sep 17 00:00:00 2001
From: Neko <neko@qwq.icu>
Date: Thu, 3 Aug 2023 11:32:56 +0800
Subject: [PATCH 3/3] refactor: manually define ParserModule

---
 src/flat-config/language-options.d.ts | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/flat-config/language-options.d.ts b/src/flat-config/language-options.d.ts
index 5aab057a..d18a4cd7 100644
--- a/src/flat-config/language-options.d.ts
+++ b/src/flat-config/language-options.d.ts
@@ -1,5 +1,19 @@
-import type { Linter } from 'eslint';
-import type { EcmaVersion, ParserOptions, SourceType } from '../parser-options';
+import type {
+  EcmaVersion,
+  Parser,
+  ParserOptions,
+  SourceType,
+} from '../parser-options';
+
+export type ParserModule =
+  | {
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      parse(text: string, options?: any): any;
+    }
+  | {
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      parseForESLint(text: string, options?: any): any;
+    };
 
 /**
  * An object containing settings related to how JavaScript is configured for linting
@@ -33,13 +47,13 @@ export interface LanguageOptions {
   >;
 
   /**
-   * An object containing a parse() or parseForESLint() method.
+   * Either an object containing a `parse()` method or a string indicating the name of a parser inside of a plugin (i.e., `"pluginName/parserName"`).
    *
    * @default "@/espree"
    *
    * @see [Configuring a custom parser and its options](https://eslint.org/docs/latest/user-guide/configuring/configuration-files-new#configuring-a-custom-parser-and-its-options)
    */
-  parser?: Linter.ParserModule;
+  parser?: Parser | ParserModule;
 
   /**
    * An object specifying additional options that are passed directly to the `parser()` method on the parser. The available options are parser-dependent.