I am not sure , how to use elasticsearch API avaialble in below link in angular application.
https://www.elastic.co/guide/en/elasticsearch/reference/current/search.html
I have gone through the below sit for using elasticsearch services.But for other functionality like multi field search, conditional search, pagination with first and last pages, i didnt get any idea how to proceed.
http://javasampleapproach.com/frontend/angular/angular-4-elasticsearch-example-quick-start-how-to-add-elasticsearch-js#comment-3537
Please kindly share any links or guide me using elastic search in angular cli (angular 2) application.