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docs(persist): clarify createJSONStorage behavior and warn about production use

createJSONStorage is widely used in examples but lacks type safety and runtime validation — data read from storage is blindly cast to the state type, so corrupt or stale values are silently accepte…

COPILOT-WRITTEN · MERGEDGrasp · Jul 30, 2026

Three explanations of the same brief

No jargon, about fifteen seconds

docs(persist): clarify createJSONStorage behavior and warn about production use

Someone changed how a program works. createJSONStorage is widely used in examples but lacks type safety and runtime validation — data read from storage is blindly cast to the state type, so corrupt or stale values are silently accepte…

docs(persist): clarify crea…Written by an agent
The one thing to take away

39 words · derived from the brief below, no model involved

A single-file change to persist.md, 20 lines.

Copilot opened this, so there is no author to ask. 1 file changed across 1 area of pmndrs/zustand, 18 added and 2 removed.

createJSONStorage is widely used in examples but lacks type safety and runtime validation — data read from storage is blindly cast to the state type, so corrupt or stale values are silently accepte…

heaviestzustand1 files, 20 linesDocs1 file, 20 linespersist.md+18 −2
Where the change landed. Node size is not to scale; the line counts are exact.Download for draw.io
Written by an agent

Copilot authored this change. The usual review shortcut, asking the person who wrote it, is not available, so everything a reviewer needs has to come from the diff itself.

Heaviest file

docs/reference/middlewares/persist.md, +18 −2, which is 100% of the change.

No test changed

0 source files changed with no accompanying test edit.

Spread

1 files, 20 changed lines in total.

What this brief could not check

  • No language model read this change. Every statement here is computed from file paths, line counts, and CI status, so it describes the shape of the diff and not what the diff means.