Skills
skills/facebook/react/flags

flags

Summary

Inspect and compare feature flag states across React release channels.

  • View all flags across channels (www, www-modern, canary, next, experimental, rn variants) or compare specific channels with --diff
  • Output formats include default table view, CSV export, and cleanup status grouping
  • Flag states indicated by symbols: enabled (✅), disabled (❌), variant testing (🧪), profiling-only (📊)
  • Common pitfall: __VARIANT__ flags are tested in both states on www; use --diff to spot meaningful differences between channels
SKILL.md

Feature Flags

Arguments:

  • $ARGUMENTS: Optional flags

Options

Option Purpose
(none) Show all flags across all channels
--diff <ch1> <ch2> Compare flags between channels
--cleanup Show flags grouped by cleanup status
--csv Output in CSV format

Channels

  • www, www-modern - Meta internal
  • canary, next, experimental - OSS channels
  • rn, rn-fb, rn-next - React Native

Legend

✅ enabled, ❌ disabled, 🧪 __VARIANT__, 📊 profiling-only

Instructions

  1. Run yarn flags $ARGUMENTS
  2. Explain the output to the user
  3. For --diff, highlight meaningful differences

Common Mistakes

  • Forgetting __VARIANT__ flags - These are tested both ways in www; check both variants
  • Comparing wrong channels - Use --diff to see exact differences
Weekly Installs
640
Repository
facebook/react
GitHub Stars
244.2K
First Seen
Jan 24, 2026
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