Is it possible to detect the change in the "current language" using the ngx-translate library? Which JavaScript event should I use to accomplish this task?
To clarify, please refer to this straightforward example: https://stackblitz.com/edit/github-yvbmgu
I am looking to identify the alteration of the currentLang from the "diff" component during the ngOnInit() lifecycle.
If you want to stay updated on language changes, you can subscribe to TranslateService's onLangChange observable.
ngOnInit() {
console.log(this.translate.currentLang);
this.translate.onLangChange.subscribe((event: LangChangeEvent) => {
console.log(event.lang);
});
}
If you want to detect language changes in Angular, you can utilize Angular's own BehaviorSubject. Simply implement the following code in a General Service:
public langObsevable: BehaviorSubject<string> = new
BehaviorSubject<string>(null);
public onLanguageChanged(lang: string){
this.langObsevable.next(lang);
}
Subsequently, you can subscribe to these language changes in other components by doing the following:
this.generalService.langObsevable.subscribe(res => {
translate.use(res);
});
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