Design Patterns · Senior · Question 63 of 75

What does Hyrum's Law imply for a widely used component library?

✓Correct answer: With enough users, every observable behavior - even undocumented - will be depended on, so "internal" changes can break someone
2Libraries should never change
3Only documented behavior matters

Explanation

Minimize observable surface, test behavior consumers rely on and communicate changes with changelogs and codemods.

Further reading

Hyrum's Law ↗

Test yourself

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