Enabled file logging for the backend process.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

electron/build/patch/main.js

@@ -0,0 +1,29 @@
+// @ts-check
+const { setup, log } = require('node-log-rotate');
+setup({
+    appName: 'Arduino Pro IDE',
+    maxSize: 10 * 1024 * 1024
+});
+for (const name of ['log', 'trace', 'info', 'warn', 'error']) {
+    const original = console[name];
+    console[name] = (data => {
+        original(data);
+        log(data);
+    }).bind(console);
+}
+
+const { BackendApplicationConfigProvider } = require('@theia/core/lib/node/backend-application-config-provider');
+const main = require('@theia/core/lib/node/main');
+BackendApplicationConfigProvider.set({
+    "configDirName": ".arduinoProIDE",
+    "singleInstance": true
+});
+
+const serverModule = require('./server');
+const serverAddress = main.start(serverModule());
+serverAddress.then(function ({ port, address }) {
+    if (process && process.send) {
+        process.send({ port, address });
+    }
+});
+module.exports = serverAddress;

electron/build/template-package.json

@@ -4,6 +4,9 @@
   "resolutions": {
     "**/fs-extra": "^4.0.3"
   },
+  "dependencies": {
+    "node-log-rotate": "^0.1.5"
+  },
   "devDependencies": {
     "@theia/cli": "next",
     "cross-env": "^7.0.2",
@@ -19,7 +22,7 @@
     "package": "cross-env DEBUG=* && electron-builder --publish=never",
     "package:publish": "cross-env DEBUG=* && electron-builder --publish=always",
     "download:plugins": "theia download:plugins",
-    "patch": "ncp ./patch/electron-main.js ./src-gen/frontend/electron-main.js"
+    "patch": "ncp ./patch/electron-main.js ./src-gen/frontend/electron-main.js && ncp ./patch/main.js ./src-gen/backend/main.js"
   },
   "engines": {
     "node": ">=10.11.0 <13"