improve parser

services/scout/package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "node src/index.js"
+    "start": "bash -x watchdog.sh"
   },
   "keywords": [],
   "author": "",

services/scout/src/index.js

@@ -4,9 +4,17 @@ const fs = require('fs/promises');
 const logger = require('./logger.js');
 
 function parseEvent(evt) {
-  if (evt?.action) {
+  try {
+    evt = JSON.parse(evt)
+  } catch (e) {
+    logger.error(`failed to parse event=${evt}`)
+  }
+  if (typeof evt?.action === "number") {
+    logger.debug(`event with action=${evt.action}`);
     if (evt.action === 0) return false; // heartbeat
     if (evt.action === 15) return true; // chat message
+  } else {
+    logger.warn(`event with NO ACTION. evt=${JSON.stringify(evt)} ${typeof evt}`)
   }
 }
 

services/scout/watchdog.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -e
+
+while true; do
+  echo "Starting app..."
+  node src/index.js
+
+  exit_code=$?
+  if [ $exit_code -eq 0 ]; then
+    echo "Exited normally. Not restarting."
+    break
+  fi
+
+  echo "App crashed (exit code $exit_code). Restarting in 2 seconds..."
+  sleep 2
+done