Support of stderr CRITICAL issues forwarded to app

local-server.js

@@ -67,6 +67,19 @@ function notifyStatus(status) {
   ipcMain.emit('local-server-status-events', status);
 }
 
+function filterOutput(line) {
+  const index = line.search('CRITICAL');
+  if(index > -1) {
+    return {
+      isCritical: true,
+      errorMessage: line.substr(index)
+    };
+  }
+  return {
+    isCritical: false
+  }
+}
+
 async function stopAll() {
   for(var serverName in runningServers) {
     let result, error = await stop(serverName);
@@ -137,6 +150,16 @@ async function run(server, options) {
   };
 
   serverProcess.stdout.on('data', function(data) {
+    const line = data.toString();
+    const { isCritical, errorMessage } = filterOutput(line);
+    if(isCritical) {
+      notifyStatus({
+        serverName: server.name,
+        status: 'stderr',
+        message: `Server reported error: '${errorMessage}`
+      });
+    }
+
     if(logStdout) {
       console.log(data.toString());
     }
@@ -149,17 +172,19 @@ async function run(server, options) {
   });
 
   serverProcess.on('exit', (code, signal) => {
-    if(code > 0) {
     notifyStatus({
       serverName: server.name,
       status: 'errored',
       message: `Server '${server.name}' has exited with status='${code}'`
     });
-    }
   });
 
   serverProcess.on('error', (err) => {
-
+    notifyStatus({
+      serverName: server.name,
+      status: 'errored',
+      message: `Server errored: '${errorMessage}`
+    });
   });
 
 }
@@ -183,10 +208,6 @@ ipcMain.on('local-server-run', async function (event, server) {
 });
 
 
-ipcMain.on('before-quit', async function (event) {
-  console.log(event);
-});
-
 if (require.main === module) {
   process.on('SIGINT', function() {
     console.log("Caught interrupt signal");

main.js

@@ -63,7 +63,7 @@ function createWindow () {
     // Dereference the window object, usually you would store windows
     // in an array if your app supports multi windows, this is the time
     // when you should delete the corresponding element.
-    mainWindow = null
+    mainWindow = null;
   });
 
 
@@ -94,7 +94,7 @@ app.on('activate', function () {
   // On OS X it's common to re-create a window in the app when the
   // dock icon is clicked and there are no other windows open.
   if (mainWindow === null) {
-    createWindow()
+    createWindow();
   }
 });
 

src/app/layouts/default-layout/default-layout.component.ts

@@ -32,6 +32,9 @@ export class DefaultLayoutComponent implements OnInit, OnDestroy {
       if(serverStatus.status === 'errored') {
         this.toasterService.error(serverStatus.message);
       }
+      if(serverStatus.status === 'stderr') {
+        this.toasterService.error(serverStatus.message);
+      }
     });
 
     // stop servers only when in Electron

src/app/services/server-management.service.ts

@@ -5,7 +5,7 @@ import { Subject } from 'rxjs';
 
 export interface ServerStateEvent {
   serverName: string;
-  status: "started" | "errored" | "stopped";
+  status: "started" | "errored" | "stopped" | "stderr";
   message: string;
 }