migrate some typescript-eslint to @stylistic/eslint-plugin-ts

as stated here: https://typescript-eslint.io/blog/deprecating-formatting-rules#upgrading-to-eslint-stylistic

- fix eslint complaints inside `i18next.d.ts`

eslint.config.js

@@ -1,4 +1,5 @@
 import tseslint from '@typescript-eslint/eslint-plugin';
+import stylisticTs from '@stylistic/eslint-plugin-ts'
 import parser from '@typescript-eslint/parser';
 // import imports from 'eslint-plugin-import'; // Disabled due to not being compatible with eslint v9
 
@@ -11,6 +12,7 @@ export default [
         },
         plugins: {
             // imports: imports.configs.recommended // Disabled due to not being compatible with eslint v9
+            '@stylistic/ts': stylisticTs,
             '@typescript-eslint': tseslint
         },
         rules: {
@@ -25,12 +27,12 @@ export default [
                 "ignoreRestSiblings": true // Allows unused variables that are part of a rest property in object destructuring. Useful for excluding certain properties from an object while using the rest.
             }],
             "eol-last": ["error", "always"], // Enforces at least one newline at the end of files
-            "@typescript-eslint/semi": ["error", "always"], // Requires semicolons for TypeScript-specific syntax
+            "@stylistic/ts/semi": ["error", "always"], // Requires semicolons for TypeScript-specific syntax
             "semi": "off", // Disables the general semi rule for TypeScript files
             "no-extra-semi": ["error"], // Disallows unnecessary semicolons for TypeScript-specific syntax
             "brace-style": "off", // Note: you must disable the base rule as it can report incorrect errors
             "curly": ["error", "all"], // Enforces the use of curly braces for all control statements
-            "@typescript-eslint/brace-style": ["error", "1tbs"],
+            "@stylistic/ts/brace-style": ["error", "1tbs"],
             "no-trailing-spaces": ["error", { // Disallows trailing whitespace at the end of lines
                 "skipBlankLines": false, // Enforces the rule even on blank lines
                 "ignoreComments": false // Enforces the rule on lines containing comments

package.json

@@ -21,6 +21,7 @@
 	},
 	"devDependencies": {
 		"@eslint/js": "^9.3.0",
+		"@stylistic/eslint-plugin-ts": "^2.6.0-beta.0",
 		"@types/node": "^20.12.13",
 		"@typescript-eslint/eslint-plugin": "^8.0.0-alpha.54",
 		"@typescript-eslint/parser": "^8.0.0-alpha.54",

src/@types/i18next.d.ts

@@ -1,4 +1,4 @@
-import { enConfig } from "#app/locales/en/config.js";
+import { type enConfig } from "#app/locales/en/config.js";
 
 // Module declared to make referencing keys in the localization files type-safe.
 declare module "i18next" {