From 16d18a6d8def963be4881cd9dee07d78501a29d6 Mon Sep 17 00:00:00 2001
From: Arkadiy Kukarkin <parkan@gmail.com>
Date: Sun, 18 Jan 2026 01:41:35 +0100
Subject: [PATCH] add eslint rules to catch unhandled promises in server

---
 packages/server/eslint.config.js | 13 +++++++++++--
 packages/server/src/index.ts     |  6 +++---
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/packages/server/eslint.config.js b/packages/server/eslint.config.js
index f8ff2449..237d2ea9 100644
--- a/packages/server/eslint.config.js
+++ b/packages/server/eslint.config.js
@@ -10,7 +10,10 @@ export default ts.config(
   prettier,
   {
     languageOptions: {
-      globals: { ...globals.node }
+      globals: { ...globals.node },
+      parserOptions: {
+        project: "./tsconfig.json"
+      }
     },
     rules: {
       "no-undef": "off",
@@ -20,7 +23,13 @@ export default ts.config(
       ],
       "@typescript-eslint/no-explicit-any": "warn",
       "@typescript-eslint/no-empty-object-type": "off",
-      "no-useless-catch": "warn"
+      "no-useless-catch": "warn",
+      // prevent auth bypass via missing await on async functions
+      "@typescript-eslint/no-floating-promises": "error",
+      "@typescript-eslint/no-misused-promises": [
+        "error",
+        { checksConditionals: true }
+      ]
     }
   }
 )
diff --git a/packages/server/src/index.ts b/packages/server/src/index.ts
index fda9ef3d..10d492d6 100644
--- a/packages/server/src/index.ts
+++ b/packages/server/src/index.ts
@@ -78,8 +78,8 @@ const gracefulShutdown = async (signal: string) => {
 }
 
 // Handle shutdown signals
-process.on("SIGTERM", () => gracefulShutdown("SIGTERM"))
-process.on("SIGINT", () => gracefulShutdown("SIGINT"))
+process.on("SIGTERM", () => void gracefulShutdown("SIGTERM"))
+process.on("SIGINT", () => void gracefulShutdown("SIGINT"))
 
 // Start the server
 const start = async (port: number) => {
@@ -94,4 +94,4 @@ const start = async (port: number) => {
   }
 }
 
-start(Number(process.env.PORT))
+void start(Number(process.env.PORT))