Skill

extract-errors

Name: extract-errors
Author: facebook

@facebook Updated 2026-09-11

Use when adding new error messages to React, or seeing "unknown error code" warnings.

declarativefrontendjavascriptlibraryreactui

Install

git clone https://github.com/react/react /tmp/react && ln -s /tmp/react/.claude/skills/extract-errors ~/.claude/skills/extract-errors

Extract Error Codes Instructions Run yarn extract-errors Report if any new errors need codes assigned Check if error codes are up to date

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