Design Patterns · Middle · Question 75 of 75

Why use the Facade pattern for a complex feature like video upload (chunks, retries, progress)?

✓Correct answer: Components call one simple API (upload(file, onProgress)) while the facade coordinates the subsystems
2To hide errors from users
3To avoid writing tests

Explanation

The UI stays simple and the complex coordination is tested in one place.

Further reading

Refactoring.Guru: Facade ↗

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