feat: run 'next lint' in lint-staged

lint-staged.config.js

@@ -1,4 +1,13 @@
+import path from "node:path"
+
+// https://nextjs.org/docs/app/building-your-application/configuring/eslint#lint-staged
+const buildEslintCommand = (filenames) =>
+  `next lint --max-warnings 0 --file ${filenames
+    .map((f) => path.relative(process.cwd(), f))
+    .join(" --file ")}`
+
 const config = {
+  "*.{js,jsx,ts,tsx}": [buildEslintCommand],
   "*.{ts,tsx}": () => "tsc -p tsconfig.json --noEmit",
   "*": "prettier --write",
 }