🔧 Fix React Scripts devServer.close compatibility with Node.js v20+

Author: Aswinmcw

client/package-lock.json

@@ -20,7 +20,8 @@
     "lint:fix": "eslint src --ext .js,.jsx --fix",
     "format": "prettier --write src/",
     "format:check": "prettier --check src/",
-    "code:fix": "npm run lint:fix && npm run format"
+    "code:fix": "npm run lint:fix && npm run format",
+    "postinstall": "patch-package"
   },
   "browserslist": {
     "production": [
@@ -49,6 +50,7 @@
     "eslint-plugin-prettier": "^5.5.1",
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-react-hooks": "^5.2.0",
+    "patch-package": "^8.0.0",
     "prettier": "^3.6.2",
     "react-app-rewired": "^2.2.1"
   }

client/package.json

@@ -0,0 +1,47 @@
+diff --git a/node_modules/react-scripts/scripts/start.js b/node_modules/react-scripts/scripts/start.js
+index 8b9a2c2..c1c4637 100644
+--- a/node_modules/react-scripts/scripts/start.js
++++ b/node_modules/react-scripts/scripts/start.js
+@@ -141,16 +141,38 @@ checkBrowsers(paths.appPath, isInteractive)
+ 
+     ['SIGINT', 'SIGTERM'].forEach(function (sig) {
+       process.on(sig, function () {
+-        devServer.close();
+-        process.exit();
++        if (devServer.close && typeof devServer.close === 'function') {
++          devServer.close(() => {
++            process.exit();
++          });
++        } else if (devServer.stop && typeof devServer.stop === 'function') {
++          devServer.stop().then(() => {
++            process.exit();
++          }).catch(() => {
++            process.exit();
++          });
++        } else {
++          process.exit();
++        }
+       });
+     });
+ 
+     if (process.env.CI !== 'true') {
+       // Gracefully exit when stdin ends
+       process.stdin.on('end', function () {
+-        devServer.close();
+-        process.exit();
++        if (devServer.close && typeof devServer.close === 'function') {
++          devServer.close(() => {
++            process.exit();
++          });
++        } else if (devServer.stop && typeof devServer.stop === 'function') {
++          devServer.stop().then(() => {
++            process.exit();
++          }).catch(() => {
++            process.exit();
++          });
++        } else {
++          process.exit();
++        }
+       });
+     }
+   })