feat: conditionally apply next-intl plugin and fix shared eslint ignore patterns

packages/next-config/index.js

@@ -1,7 +1,7 @@
 import createNextIntlPlugin from "next-intl/plugin";
 import { withSentryConfig } from "@sentry/nextjs";
-
-const withNextIntl = createNextIntlPlugin();
+import fs from "node:fs";
+import path from "node:path";
 
 /** @type {import('next').NextConfig} */
 export const baseNextConfig = {
@@ -34,10 +34,30 @@ export const baseNextConfig = {
 };
 
 const withMintelConfig = (config) => {
-  const nextIntlConfig = withNextIntl({ ...baseNextConfig, ...config });
+  const i18nPaths = [
+    "src/i18n/request.ts",
+    "src/i18n/request.tsx",
+    "i18n/request.ts",
+    "i18n/request.tsx",
+    "src/i18n.ts",
+    "src/i18n.tsx",
+    "i18n.ts",
+    "i18n.tsx",
+  ];
+
+  const hasI18nConfig = i18nPaths.some((p) =>
+    fs.existsSync(path.resolve(process.cwd(), p)),
+  );
+
+  let nextConfig = { ...baseNextConfig, ...config };
+
+  if (hasI18nConfig) {
+    const withNextIntl = createNextIntlPlugin();
+    nextConfig = withNextIntl(nextConfig);
+  }
 
   return withSentryConfig(
-    nextIntlConfig,
+    nextConfig,
     {
       silent: !process.env.CI,
       treeshake: { removeDebugLogging: true },

packages/next-config/package.json

@@ -15,7 +15,7 @@
     }
   },
   "dependencies": {
-    "next-intl": "^3.0.0",
+    "next-intl": "^4.8.2",
     "@sentry/nextjs": "^8.0.0"
   }
 }