Explain handling unknown data.
Skip to solutionKEEP THE
easyFrontend
How do you safely work with JSON of unknown shape?
449 views
01
Understand the problem
unknowntype-safety
02
Attempt it yourself
Sketch your approach before reading the solution — that's what interviews test.
Nudge consolestandby
Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.
03
Study the solution
Type parsed JSON as unknown, then validate/narrow before use — either with manual type guards or a schema library (e.g. Zod) that both validates at runtime and infers the static type, avoiding unsafe any.
Solution ready — 2 min read
Classified // press E to declassify
04
Join the discussion
Discussion (0)
Sign in to join the discussion.
No responses yet. Be the first to share what you think.
Transmission complete // awaiting log
KEEP THE
STREAK ALIVE.
Dossier 10 of 70 decoded in the TypeScript track. One more won't hurt.