Dahang

{{ item.label }}

and mat-option group as well https://github.com/ngx-formly/ngx-formly/blob/bd0c6c5d711072699b2f58fdd8d2c6b6b440fb11/src/material/select/src/select.type.ts#L32

for 1.0.0 http-loader start to using Angular 4.3 HttpClientModule. so in app.module.ts import { HttpClient, HttpClientModule } from "@angular/common/http"; export function createTranslateLoader(http: HttpClient) { return new TranslateHttpLoader(http, './assets/i18n/', '.json'); }...