enable prod mode for angular

src/app/main.ts

@@ -1,6 +1,8 @@
 import { enableProdMode } from '@angular/core';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
+import { isDev } from '../scripts/utils';
+
 // tslint:disable-next-line
 require('../scss/styles.scss');
 // tslint:disable-next-line
@@ -8,4 +10,8 @@ require('../scripts/duo.js');
 
 import { AppModule } from './app.module';
 
+if (!isDev()) {
+    enableProdMode();
+}
+
 platformBrowserDynamic().bootstrapModule(AppModule);

src/scripts/utils.ts

@@ -0,0 +1,7 @@
+export function isDev() {
+    // ref: https://github.com/sindresorhus/electron-is-dev
+    if ('ELECTRON_IS_DEV' in process.env) {
+        return parseInt(process.env.ELECTRON_IS_DEV, 10) === 1;
+    }
+    return (process.defaultApp || /node_modules[\\/]electron[\\/]/.test(process.execPath));
+}

src/services/desktopPlatformUtils.service.ts

@@ -1,5 +1,7 @@
 import { remote, shell } from 'electron';
 
+import { isDev } from '../scripts/utils';
+
 import { DeviceType } from 'jslib/enums';
 
 import { I18nService } from 'jslib/abstractions/i18n.service';
@@ -143,4 +145,8 @@ export class DesktopPlatformUtilsService implements PlatformUtilsService {
 
         return Promise.resolve(result === 0);
     }
+
+    isDev(): boolean {
+        return isDev();
+    }
 }