Individual skill

react18-legacy-context

Migrate React legacy context API usage from contextTypes, childContextTypes, and getChildContext to modern createContext. Use this skill when touching legacy context in class or function components because provider and every consumer must be updated together to avoid React 18 warnings and React 19 runtime failures.

harness/github-copilot/plugins/react18-upgrade/skills/react18-legacy-context/SKILL.md

Source commit 1672ec1d9bb3181ab61cb96002688c6a3624fc48

What was checked

Matches the observed repository HEAD

Yes

Scanner rules are current

No

Repository scan complete

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Skill scan complete

No

Observed behavior

Not checked yet

Last checked

Nov 7, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

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