Use when adding new error messages to React, or seeing "unknown error code" warnings.
apm install @facebook/extract-errors
[](https://apm-p1ls2dz87-atlamors-projects.vercel.app/packages/@facebook/extract-errors)---
name: extract-errors
description: Use when adding new error messages to React, or seeing "unknown error code" warnings.
---
# Extract Error Codes
## Instructions
1. Run `yarn extract-errors`
2. Report if any new errors need codes assigned
3. Check if error codes are up to date