diff --git a/build.ts b/build.ts
index ae68b44..c78f9cb 100644
--- a/build.ts
+++ b/build.ts
@@ -2,9 +2,12 @@
 import { readFile } from "node:fs/promises";
 import { parseArgs } from "node:util";
 import { sys } from "typescript";
+// @ts-ignore
 import txtScriptHeader from "./src/assets/header_script.txt" with { type: "text" };
+// @ts-ignore
 import txtMetaHeader from "./src/assets/header_meta.txt" with { type: "text" };
 import { assert } from "node:console";
+import { ESLint } from "eslint";
 
 enum BuildTarget {
     ALL = 'all',
@@ -80,10 +83,20 @@ const build = async (target: BuildTarget, version: string, config: any={}) => {
 
     // Save to script
     await Bun.write(path, scriptHeader + result);
-    console.log(`---- [${target}] done in ${performance.now() - startTime} ms`);
 
     // Create meta file
     await Bun.write(outDir + '/' + outputMetaName, txtMetaHeader.replace('[[VERSION]]', version));
+
+    // Check with ESLint
+    const eslint = new ESLint();
+    eslint.lintFiles([path]).then((results: any) => {
+        results[0].messages.forEach((msg: any) => {
+            console.error(`${path}#${msg.line}: ${msg.message}`);
+        });
+
+        console.log(`---- [${target}] done in ${performance.now() - startTime} ms`);
+        console.log(`---- [${target}] ${new Date()}`);
+    });
 }
 
 const buildTargets = [
diff --git a/bun.lockb b/bun.lockb
index db5d9bc..2866c67 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/eslint.config.mjs b/eslint.config.mjs
new file mode 100644
index 0000000..ff54a57
--- /dev/null
+++ b/eslint.config.mjs
@@ -0,0 +1,3 @@
+import compat from "eslint-plugin-compat";
+
+export default [compat.configs['flat/recommended']];
diff --git a/package.json b/package.json
index 58bc63a..3def306 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,9 @@
   "name": "better-xcloud",
   "module": "src/index.ts",
   "type": "module",
+  "browserslist": [
+    "Chrome >= 80"
+  ],
   "bin": {
     "build": "build.ts"
   },
@@ -9,6 +12,8 @@
     "@types/bun": "^1.1.6",
     "@types/node": "^20.14.12",
     "@types/stylus": "^0.48.42",
+    "eslint": "^9.8.0",
+    "eslint-plugin-compat": "^6.0.0",
     "stylus": "^0.63.0"
   },
   "peerDependencies": {