ApiRx | /api/mod.ts | polkadot@0.2.38

method ApiRx.create

import { ApiRx } from "https://dotland.deno.dev/x/polkadot@0.2.38/api/mod.ts";

create(options?: ApiOptions): Observable<ApiRx>

Examples

import { switchMap } from 'https://esm.sh/rxjs@7.8.1';
import Api from 'https://deno.land/x/polkadot@0.2.38/api/rx/index.ts';

Api.create()
  .pipe(
    switchMap((api) =>
      api.rpc.chain.subscribeNewHeads()
  ))
  .subscribe((header) => {
    console.log(`new block #${header.number.toNumber()}`);
  });

Parameters

optional

options: ApiOptions

options that is passed to the class constructor. Can be either [[ApiOptions]] or [[WsProvider]]

Returns

Observable<ApiRx>