Kill on port 32100 on restart app (clean up orphan process)

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "dyad",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "dyad",
-      "version": "0.1.2",
+      "version": "0.1.3",
       "license": "MIT",
       "dependencies": {
         "@ai-sdk/anthropic": "^1.2.8",
@@ -46,6 +46,7 @@
         "geist": "^1.3.1",
         "isomorphic-git": "^1.30.1",
         "jotai": "^2.12.2",
+        "kill-port": "^2.0.1",
         "lucide-react": "^0.487.0",
         "monaco-editor": "^0.52.2",
         "openai": "^4.91.1",
@@ -78,6 +79,7 @@
         "@electron/fuses": "^1.8.0",
         "@testing-library/react": "^16.3.0",
         "@types/better-sqlite3": "^7.6.13",
+        "@types/kill-port": "^2.0.3",
         "@types/node": "^22.14.0",
         "@types/react": "^19.0.10",
         "@types/react-dom": "^19.0.4",
@@ -7419,6 +7421,17 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/kill-port": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@types/kill-port/-/kill-port-2.0.3.tgz",
+      "integrity": "sha512-ZHs59e5FBjDLQLOxM48+814LSyNf5sgpi0odtJ0FH6xrIAZXb4yksYG+4mZCbidX3fBOfHytAKAVMgkWvv/Piw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*",
+        "shell-exec": "^1"
+      }
+    },
     "node_modules/@types/mdast": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/@types/mdast/-/mdast-4.0.4.tgz",
@@ -12638,6 +12651,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/get-them-args": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/get-them-args/-/get-them-args-1.3.2.tgz",
+      "integrity": "sha512-LRn8Jlk+DwZE4GTlDbT3Hikd1wSHgLMme/+7ddlqKd7ldwR6LjJgTVWzBnR01wnYGe4KgrXjg287RaI22UHmAw==",
+      "license": "MIT"
+    },
     "node_modules/get-tsconfig": {
       "version": "4.10.0",
       "resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.10.0.tgz",
@@ -14296,6 +14315,19 @@
         "json-buffer": "3.0.1"
       }
     },
+    "node_modules/kill-port": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/kill-port/-/kill-port-2.0.1.tgz",
+      "integrity": "sha512-e0SVOV5jFo0mx8r7bS29maVWp17qGqLBZ5ricNSajON6//kmb7qqqNnml4twNE8Dtj97UQD+gNFOaipS/q1zzQ==",
+      "license": "MIT",
+      "dependencies": {
+        "get-them-args": "1.3.2",
+        "shell-exec": "1.0.2"
+      },
+      "bin": {
+        "kill-port": "cli.js"
+      }
+    },
     "node_modules/levn": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
@@ -18098,6 +18130,12 @@
         "url": "https://github.com/chalk/strip-ansi?sponsor=1"
       }
     },
+    "node_modules/shell-exec": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/shell-exec/-/shell-exec-1.0.2.tgz",
+      "integrity": "sha512-jyVd+kU2X+mWKMmGhx4fpWbPsjvD53k9ivqetutVW/BQ+WIZoDoP4d8vUMGezV6saZsiNoW2f9GIhg9Dondohg==",
+      "license": "MIT"
+    },
     "node_modules/shell-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/shell-path/-/shell-path-3.0.0.tgz",

package.json

@@ -46,6 +46,7 @@
     "@electron/fuses": "^1.8.0",
     "@testing-library/react": "^16.3.0",
     "@types/better-sqlite3": "^7.6.13",
+    "@types/kill-port": "^2.0.3",
     "@types/node": "^22.14.0",
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.0.4",
@@ -99,6 +100,7 @@
     "geist": "^1.3.1",
     "isomorphic-git": "^1.30.1",
     "jotai": "^2.12.2",
+    "kill-port": "^2.0.1",
     "lucide-react": "^0.487.0",
     "monaco-editor": "^0.52.2",
     "openai": "^4.91.1",
@@ -118,4 +120,4 @@
     "update-electron-app": "^3.1.1",
     "uuid": "^11.1.0"
   }
-}
+}

src/ipc/handlers/app_handlers.ts

@@ -34,6 +34,7 @@ import { readSettings } from "../../main/settings";
 import { Worker } from "worker_threads";
 import fixPath from "fix-path";
 import { getGitAuthor } from "../utils/git_author";
+import killPort from "kill-port";
 
 // Needed, otherwise electron in MacOS/Linux will not be able
 // to find "npm".
@@ -144,7 +145,7 @@ async function executeAppLocalNode({
   appId: number;
   event: Electron.IpcMainInvokeEvent;
 }): Promise<void> {
-  const process = spawn("npm install && npm run dev", [], {
+  const process = spawn("npm install && npm run dev -- --port 32100", [], {
     cwd: appPath,
     shell: true,
     stdio: "pipe", // Ensure stdio is piped so we can capture output/errors and detect close
@@ -247,6 +248,15 @@ function checkCommandExists(command: string): Promise<string | null> {
   });
 }
 
+// Helper to kill process on a specific port (cross-platform, using kill-port)
+async function killProcessOnPort(port: number): Promise<void> {
+  try {
+    await killPort(port, "tcp");
+  } catch (err) {
+    // Ignore if nothing was running on that port
+  }
+}
+
 export function registerAppHandlers() {
   ipcMain.handle(
     "nodejs-status",
@@ -566,6 +576,9 @@ export function registerAppHandlers() {
             );
           }
 
+          // Kill any orphaned process on port 32100 (in case previous run left it)
+          await killProcessOnPort(32100);
+
           // Now start the app again
           const app = await db.query.apps.findFirst({
             where: eq(apps.id, appId),