Add setting environment variables using commandline arguments.

src/app/_interceptors/error.interceptor.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@angular/core';
+import {Injectable, isDevMode} from '@angular/core';
 import {
   HttpRequest,
   HttpHandler,
@@ -8,7 +8,6 @@ import {
 import {Observable, throwError} from 'rxjs';
 import {catchError} from 'rxjs/operators';
 import {ErrorDialogService} from '@app/_services';
-import {environment} from '@src/environments/environment';
 
 @Injectable()
 export class ErrorInterceptor implements HttpInterceptor {
@@ -17,7 +16,7 @@ export class ErrorInterceptor implements HttpInterceptor {
 
   intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
     return next.handle(request).pipe(catchError((err: HttpErrorResponse) => {
-      if (!environment.production) {
+      if (isDevMode()) {
         this.errorDialogService.openDialog({
           message: err.error.message || err.statusText || 'Unknown Error',
           status: err.status || 0

src/app/_services/logging.service.ts

@@ -1,6 +1,5 @@
-import {Injectable} from '@angular/core';
+import {Injectable, isDevMode} from '@angular/core';
 import {NGXLogger} from 'ngx-logger';
-import {environment} from '@src/environments/environment';
 
 @Injectable({
   providedIn: 'root'
@@ -11,9 +10,7 @@ export class LoggingService {
 
   constructor(private logger: NGXLogger) {
     // TRACE|DEBUG|INFO|LOG|WARN|ERROR|FATAL|OFF
-    this.env = environment.production ? 'Production' : 'Development';
-
-    if (this.env === 'Development') {
+    if (isDevMode()) {
       this.sendInfoLevelMessage('Dropping into debug mode');
     }
   }