From 24556bdcdaf54be56534331520f3df572c8a1e38 Mon Sep 17 00:00:00 2001
From: Josh Goldberg <git@joshuakgoldberg.com>
Date: Fri, 26 Apr 2024 07:51:18 -0400
Subject: [PATCH] feat(utils): add Linter configType constructor option

---
 packages/utils/src/ts-eslint/Linter.ts              | 7 +++++++
 packages/utils/src/ts-eslint/eslint/ESLintShared.ts | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/utils/src/ts-eslint/Linter.ts b/packages/utils/src/ts-eslint/Linter.ts
index 8ea129409b8..bad397d8cfb 100644
--- a/packages/utils/src/ts-eslint/Linter.ts
+++ b/packages/utils/src/ts-eslint/Linter.ts
@@ -113,12 +113,19 @@ declare class LinterBase {
 
 namespace Linter {
   export interface LinterOptions {
+    /**
+     * Which config format to use.
+     * @default 'flat'
+     */
+    configType?: ConfigTypeSpecifier;
+
     /**
      * path to a directory that should be considered as the current working directory.
      */
     cwd?: string;
   }
 
+  export type ConfigTypeSpecifier = 'eslintrc' | 'flat';
   export type EnvironmentConfig = SharedConfig.EnvironmentConfig;
   export type GlobalsConfig = SharedConfig.GlobalsConfig;
   export type GlobalVariableOption = SharedConfig.GlobalVariableOption;
diff --git a/packages/utils/src/ts-eslint/eslint/ESLintShared.ts b/packages/utils/src/ts-eslint/eslint/ESLintShared.ts
index 7ec11ecdfae..30082b28a18 100644
--- a/packages/utils/src/ts-eslint/eslint/ESLintShared.ts
+++ b/packages/utils/src/ts-eslint/eslint/ESLintShared.ts
@@ -100,7 +100,7 @@ export declare class ESLintBase<
   /**
    * The type of configuration used by this class.
    */
-  static readonly configType: 'eslintrc' | 'flat';
+  static readonly configType: Linter.ConfigTypeSpecifier;
 }
 export interface ESLintOptions<Config extends Linter.ConfigType> {
   /**