providing static default language

Author: robertIsaac

src/app/app.module.ts

@@ -1,17 +1,25 @@
-import { NgModule } from '@angular/core';
-import { BrowserModule, BrowserTransferStateModule, TransferState } from '@angular/platform-browser';
-import { AppRoutingModule, routes } from './app-routing.module';
-import { AppComponent } from './app.component';
-import { HeaderComponent } from './core/components/header/header.component';
-import { CollapseModule } from 'ngx-bootstrap/collapse';
-import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
-import { TranslateLoader, TranslateModule, TranslateService } from '@ngx-translate/core';
-import { HttpClient, HttpClientModule } from '@angular/common/http';
-import { translateBrowserLoaderFactory } from './core/utils/translate-browser.loader';
-import { BsDropdownModule } from 'ngx-bootstrap/dropdown';
-import { LocalizeParser, LocalizeRouterModule, LocalizeRouterSettings } from '@gilsdav/ngx-translate-router';
-import { localizeBrowserLoaderFactory } from './core/utils/localize-browser.loader';
-import { Location } from '@angular/common';
+import {NgModule} from '@angular/core';
+import {BrowserModule, BrowserTransferStateModule, TransferState} from '@angular/platform-browser';
+import {AppRoutingModule, routes} from './app-routing.module';
+import {AppComponent} from './app.component';
+import {HeaderComponent} from './core/components/header/header.component';
+import {CollapseModule} from 'ngx-bootstrap/collapse';
+import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
+import {TranslateLoader, TranslateModule, TranslateService} from '@ngx-translate/core';
+import {HttpClient, HttpClientModule} from '@angular/common/http';
+import {translateBrowserLoaderFactory} from './core/utils/translate-browser.loader';
+import {BsDropdownModule} from 'ngx-bootstrap/dropdown';
+import {LocalizeParser, LocalizeRouterModule, LocalizeRouterSettings} from '@gilsdav/ngx-translate-router';
+import {localizeBrowserLoaderFactory} from './core/utils/localize-browser.loader';
+import {Location} from '@angular/common';
+
+export const defaultLangFunction = (languages: string[], cachedLang?: string): string => {
+  if (cachedLang && languages.includes(cachedLang)) {
+    return cachedLang;
+  } else {
+    return 'ar';
+  }
+};
 
 @NgModule({
   declarations: [
@@ -41,6 +49,7 @@ import { Location } from '@angular/common';
         deps: [TranslateService, Location, LocalizeRouterSettings, HttpClient, TransferState],
       },
       initialNavigation: true,
+      defaultLangFunction,
     }),
   ],
   providers: [],

src/app/app.server.module.ts

@@ -1,14 +1,14 @@
-import { NgModule } from '@angular/core';
-import { ServerModule, ServerTransferStateModule } from '@angular/platform-server';
-import { AppModule } from './app.module';
-import { AppComponent } from './app.component';
-import { TranslateLoader, TranslateModule, TranslateService } from '@ngx-translate/core';
-import { translateServerLoaderFactory } from './core/utils/translate-server.loader';
-import { TransferState } from '@angular/platform-browser';
-import { routes } from './app-routing.module';
-import { LocalizeParser, LocalizeRouterModule, LocalizeRouterSettings } from '@gilsdav/ngx-translate-router';
-import { localizeServerLoaderFactory } from './core/utils/localize-server.loader';
-import { Location } from '@angular/common';
+import {NgModule} from '@angular/core';
+import {ServerModule, ServerTransferStateModule} from '@angular/platform-server';
+import {AppModule, defaultLangFunction} from './app.module';
+import {AppComponent} from './app.component';
+import {TranslateLoader, TranslateModule, TranslateService} from '@ngx-translate/core';
+import {translateServerLoaderFactory} from './core/utils/translate-server.loader';
+import {TransferState} from '@angular/platform-browser';
+import {routes} from './app-routing.module';
+import {LocalizeParser, LocalizeRouterModule, LocalizeRouterSettings} from '@gilsdav/ngx-translate-router';
+import {localizeServerLoaderFactory} from './core/utils/localize-server.loader';
+import {Location} from '@angular/common';
 
 @NgModule({
   imports: [
@@ -30,6 +30,7 @@ import { Location } from '@angular/common';
         deps: [TranslateService, Location, LocalizeRouterSettings, TransferState],
       },
       initialNavigation: true,
+      defaultLangFunction,
     }),
   ],
   bootstrap: [AppComponent],