chore: add typechecking for configs

Author: lukashass

.github/workflows/release.yml renamed to .github/workflows/formatting-types.yml

@@ -1,11 +1,11 @@
-name: Check Formatting
+name: Formatting and Types
 on:
   - push
   - pull_request
 
 jobs:
-  check-formatting:
-    name: Check Formatting
+  formatting-types:
+    name: Formatting and Types
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -34,3 +34,6 @@ jobs:
 
       - name: Check formatting
         run: pnpm run format
+
+      - name: Check types
+        run: pnpm run typecheck

index.js

@@ -1,10 +1,10 @@
-module.exports = {
+// @ts-check
+/** @type {import('@typescript-eslint/experimental-utils').TSESLint.Linter.Config} */
+const eslintConfig = {
   parser: '@typescript-eslint/parser',
   parserOptions: {
-    project: ['./tsconfig.eslint.json'],
     sourceType: 'module',
     ecmaVersion: 2018,
-    tsconfigRootDir: __dirname,
   },
   plugins: ['@typescript-eslint', 'import', 'simple-import-sort'],
   extends: [
@@ -70,3 +70,5 @@ module.exports = {
   ],
   reportUnusedDisableDirectives: true,
 };
+
+module.exports = eslintConfig;

jest.js

@@ -1,4 +1,6 @@
-module.exports = {
+// @ts-check
+/** @type {import('@typescript-eslint/experimental-utils').TSESLint.Linter.Config} */
+const eslintConfig = {
   settings: {
     jest: {
       version: 26,
@@ -21,3 +23,5 @@ module.exports = {
     },
   ],
 };
+
+module.exports = eslintConfig;

package.json

@@ -14,7 +14,8 @@
   ],
   "scripts": {
     "format": "prettier --check .",
-    "format:fix": "prettier --write ."
+    "format:fix": "prettier --write .",
+    "typecheck": "tsc"
   },
   "dependencies": {
     "@intlify/eslint-plugin-vue-i18n": "0.11.1",
@@ -32,7 +33,9 @@
     "vue-eslint-parser": "7.6.0"
   },
   "devDependencies": {
-    "prettier": "2.3.2"
+    "@typescript-eslint/experimental-utils": "4.28.1",
+    "prettier": "2.3.2",
+    "typescript": "4.3.5"
   },
   "peerDependencies": {
     "eslint": ">= 7"