Fix Husky setup (#28636)

Signed-off-by: Jon Koops <jonkoops@gmail.com>

js/.husky/pre-commit

@@ -7,5 +7,4 @@ if [ ! -f "$FILE" ]; then
   exit 0;
 fi
 
-cd js
-pnpm exec lint-staged
+ESLINT_USE_FLAT_CONFIG=true pnpm exec lint-staged

js/lint-staged.config.js

@@ -0,0 +1,8 @@
+import path from "node:path";
+
+const CONFIG_PATH = path.resolve(import.meta.dirname, "eslint.config.js");
+
+export default {
+  "*.{js,jsx,mjs,ts,tsx}": (filenames) =>
+    `eslint --config ${CONFIG_PATH} --cache --fix ${filenames.join(" ")}`,
+};

package.json

@@ -2,7 +2,7 @@
   "name": "root",
   "type": "module",
   "scripts": {
-    "prepare": "cd .. && husky js/.husky"
+    "prepare": "husky js/.husky"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.0.2",
@@ -24,8 +24,5 @@
     "typescript-eslint": "^7.6.0",
     "wireit": "^0.14.4"
   },
-  "packageManager": "pnpm@8.15.5",
-  "lint-staged": {
-    "*.{js,jsx,mjs,ts,tsx}": "eslint --cache --fix"
-  }
+  "packageManager": "pnpm@8.15.5"
 }