$ yarn remove import-sync

$ yarn add -D tsx
$ yarn up vite

* using esm `import()` without awaiting it since pzmosquito/eslint-import-resolver-vite#12 (comment)
* ignore `.js` extension for rule `import/extensions`
@ .eslintrc.cjs
@ fe

fe/.eslintrc.cjs

@@ -26,7 +26,7 @@ const eslintPluginImport = { // as of [email protected]
         'import/no-self-import': 'error',
         'import/no-useless-path-segments': 'error',
         'import/consistent-type-specifier-style': ['error', 'prefer-top-level'],
-        'import/extensions': ['error', 'always', { ts: 'never' }],
+        'import/extensions': ['error', 'always', { js: 'never', ts: 'never' }],
         'import/newline-after-import': 'error',
         'import/no-named-default': 'error',
         'import/order': ['error', {
@@ -550,9 +550,8 @@ module.exports = {
             'import/resolver': {
                 typescript: true,
 
-                // https://github.com/pzmosquito/eslint-import-resolver-vite/issues/12#issuecomment-1858743165
-                // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-call, @typescript-eslint/no-require-imports, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-var-requires, no-undef
-                vite: { viteConfig: require('import-sync')('./vite.config.ts').default },
+                // https://github.com/pzmosquito/eslint-import-resolver-vite/issues/12#issuecomment-1979897899
+                vite: { viteConfig: import('./vite.config') },
             },
         },
     }, {

fe/package.json

@@ -6,7 +6,8 @@
     "scripts": {
         "dev": "vite",
         "build": "vue-tsc && vite build",
-        "preview": "vite preview"
+        "preview": "vite preview",
+        "eslint": "tsx node_modules/eslint/bin/eslint"
     },
     "dependencies": {
         "@fortawesome/fontawesome-svg-core": "^6.5.1",
@@ -61,12 +62,12 @@
         "eslint-plugin-import": "npm:eslint-plugin-i@latest",
         "eslint-plugin-unicorn": "^51.0.1",
         "eslint-plugin-vue": "^9.22.0",
-        "import-sync": "^2.2.0",
         "rollup-plugin-visualizer": "^5.12.0",
         "stats.js": "^0.17.0",
+        "tsx": "^4.7.1",
         "typescript": "^5.3.3",
         "typescript-eslint-parser-for-extra-files": "^0.6.0",
-        "vite": "5.1.4",
+        "vite": "^5.1.5",
         "vite-bundle-analyzer": "^0.8.1",
         "vue-eslint-parser": "^9.4.2",
         "vue-tsc": "^2.0.4"