Angular src restructured as modular as per angular official guidelines, .travis.yml support added for node 12

src/app/core/services/electron/electron.service.ts

@@ -0,0 +1,34 @@
+import { Injectable } from '@angular/core';
+
+// If you import a module but never use any of the imported values other than as TypeScript types,
+// the resulting javascript file will look as if you never imported the module at all.
+import { ipcRenderer, webFrame, remote } from 'electron';
+import * as childProcess from 'child_process';
+import * as fs from 'fs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ElectronService {
+  ipcRenderer: typeof ipcRenderer;
+  webFrame: typeof webFrame;
+  remote: typeof remote;
+  childProcess: typeof childProcess;
+  fs: typeof fs;
+
+  get isElectron() {
+    return window && window.process && window.process.type;
+  }
+
+  constructor() {
+    // Conditional imports
+    if (this.isElectron) {
+      this.ipcRenderer = window.require('electron').ipcRenderer;
+      this.webFrame = window.require('electron').webFrame;
+      this.remote = window.require('electron').remote;
+
+      this.childProcess = window.require('child_process');
+      this.fs = window.require('fs');
+    }
+  }
+}