[Index] Add overlay support and rewrite some new updater code

src/index.js

@@ -9,6 +9,20 @@ global.oaConfig = appSettings.getSettings().get('openasar', {});
 
 log('Init', 'Loaded config', oaConfig);
 
+const appMode = process.argv?.includes('--overlay-host') ? 'overlay-host' : 'app';
+
+if (appMode === 'overlay-host') {
+  const buildInfo = require('./utils/buildInfo');
+
+  if (buildInfo.newUpdater) {
+    require('./utils/u2LoadModulePath')('discord_overlay2');
+  } else {
+    require('./updater/moduleUpdater').initPathsOnly(buildInfo);
+  }
+
+  require('./utils/requireNative')('discord_overlay2/standalone_host.js')
+} else {
   const bootstrap = require('./bootstrap');
 
   bootstrap(); // Start bootstrap
+}

src/splash/splashScreen.js

@@ -339,6 +339,7 @@ function initSplash(startMinimized = false) {
     destroySplash();
 
     if (newUpdater != null) { // Manually load desktop_core module path for faster requiring
+      require('../utils/u2LoadModulePath')('discord_desktop_core');
       const NodeModule = require('module');
 
       const modulesDir = _path.default.join(paths.getExeDir(), 'modules');

src/utils/u2LoadModulePath.js

@@ -0,0 +1,8 @@
+module.exports = (moduleName) => {
+  const NodeModule = require('module');
+
+  const modulesDir = _path.default.join(paths.getExeDir(), 'modules');
+  const moduleCoreDir = _fs.default.readdirSync(modulesDir).find((x) => x.startsWith(moduleName + '-')); // Find desktop core dir by name
+
+  NodeModule.globalPaths.push(_path.default.join(modulesDir, moduleCoreDir)); // Add to globalPaths for requiring
+};