fix: Add extraFileExtensions (#107)

* fix: Add extraFileExtensions

* Add types

* Fix type import

Author: lachlancollins

package.json

@@ -19,6 +19,7 @@
   "exports": {
     "./eslint": {
       "import": {
+        "types": "./src/eslint/index.d.ts",
         "default": "./src/eslint/index.js"
       }
     },
@@ -94,6 +95,7 @@
   "devDependencies": {
     "@arethetypeswrong/cli": "^0.15.3",
     "@types/current-git-branch": "^1.1.6",
+    "@types/eslint": "^8.56.10",
     "@types/interpret": "^1.1.3",
     "@types/jsonfile": "^6.1.4",
     "@types/liftoff": "^4.0.3",

pnpm-lock.yaml

@@ -0,0 +1,3 @@
+import type { Linter } from 'eslint'
+
+export declare const rootConfig: Array<Linter.FlatConfig>

src/eslint/index.d.ts

@@ -6,6 +6,7 @@ import eslint from '@eslint/js'
 // @ts-expect-error
 import configPrettier from 'eslint-config-prettier'
 
+/** @type {import('eslint').Linter.FlatConfig[]} */
 export const rootConfig = [
   {
     name: 'eslint/rules',
@@ -52,14 +53,14 @@ export const rootConfig = [
   },
   {
     name: 'tanstack/custom',
-    ignores: ['**/build', '**/coverage', '**/dist', '**/snap'],
     languageOptions: {
       globals: {
         ...globals.browser,
       },
       ecmaVersion: 2020,
       sourceType: 'module',
       parserOptions: {
+        extraFileExtensions: ['.js', '.svelte', '.vue'],
         project: true,
       },
     },