Use TypeScript for IntelliSense

Author: leoj3n

.eslintrc.cjs

@@ -1,6 +1,14 @@
+/** @type { import("eslint").Linter.Config } */
 module.exports = {
   root: true,
-  extends: ['eslint:recommended', 'plugin:svelte/recommended', 'prettier'],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:svelte/recommended',
+    'prettier'
+  ],
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
   parserOptions: {
     sourceType: 'module',
     ecmaVersion: 2020,
@@ -11,5 +19,14 @@ module.exports = {
     es2017: true,
     node: true
   },
+  overrides: [
+    {
+      files: ['*.svelte'],
+      parser: 'svelte-eslint-parser',
+      parserOptions: {
+        parser: '@typescript-eslint/parser'
+      }
+    }
+  ],
   rules: { 'no-tabs': 'error', 'no-unexpected-multiline': 'error' }
 }