index.ts

import { request } from 'universal-rxjs-ajax';
import { concatMap, map, filter, defaultIfEmpty } from 'rxjs/operators';

const pluck = (...args: string[]) => map(val => args.reduce((props, propName) => {
  props[propName] = val[propName];
  return props;
}, {}));

request({ url: 'https://api.github.com/users/ajcrites/repos', method: 'GET' }).pipe(
   concatMap(({ response }) => response),
   filter(({ stargazers_count }) => !!stargazers_count),
   pluck('name', 'stargazers_count'),
   defaultIfEmpty('No Stargazers Yet. Keep reaching!'),
).subscribe(console.log);