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PracticeReal-life: forkJoin() profile + settings
PRACTICE · 24 · 練

Real-life: forkJoin() profile + settings

Wait for profile$ and settings$, then output Ada:dark.

  1. Solve the task in the editor — no long theory.
  2. Run the check and compare your output with the expected result.
  3. Stuck? Open the solution and carry the approach into your own code.
Solution spoiler · click to reveal
const { of, forkJoin, map } = Rx;

const profile$ = of({ name: 'Ada' });
const settings$ = of({ theme: 'dark' });

const result$ = forkJoin({ profile: profile$, settings: settings$ }).pipe(
  map(({ profile, settings }) => profile.name + ':' + settings.theme)
);

result$.subscribe(value => console.log(value));
script.ts // TypeScript
CONSOLE · Console output
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