Practice · 1 of 3

Unknown Payload Handler

CHALLENGE

Difficulty: intermediate+25 XP

Write handleUnknown(payload) that narrows honestly: arrays of strings → { kind: "tags", tags } (trimmed); finite numbers → { kind: "count", count }; objects with string id → { kind: "entity", id }; anything else → { kind: "reject" }. Never throw.

Press Submit to check your solution.

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