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Skill ulpi-io/plugin-marketplace/plugins/parcadei/skills/test

Use when you need to run tests for React core. Supports source, www, stable, and experimental channels.From its SKILL.md

Install
npx -y skills add ulpi-io/plugin-marketplace --skill test

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

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  • no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
  • 1 stars1 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

SKILL.md

2.0 KB, 513 tokens by cl100k_base, as published. Nobody here has run it

Run tests for the React codebase.

Arguments:

  • $ARGUMENTS: Channel, flags, and test pattern

Usage Examples:

  • /test ReactFiberHooks - Run with source channel (default)
  • /test experimental ReactFiberHooks - Run with experimental channel
  • /test www ReactFiberHooks - Run with www-modern channel
  • /test www variant false ReactFiberHooks - Test VARIANT=false
  • /test stable ReactFiberHooks - Run with stable channel
  • /test classic ReactFiberHooks - Run with www-classic channel
  • /test watch ReactFiberHooks - Run in watch mode (TDD)

Release Channels:

  • (default) - Source/canary channel, uses ReactFeatureFlags.js defaults
  • experimental - Source/experimental channel with EXPERIMENTAL flags = true
  • www - www-modern channel with VARIANT flags = true
  • www variant false - www channel with VARIANT flags = false
  • stable - What ships to npm
  • classic - Legacy www-classic (rarely needed)

Instructions:

  1. Parse channel from arguments (default: source)
  2. Map to yarn command:
    • (default) → yarn test --silent --no-watchman <pattern>
    • experimental → yarn test -r=experimental --silent --no-watchman <pattern>
    • stable → yarn test-stable --silent --no-watchman <pattern>
    • classic → yarn test-classic --silent --no-watchman <pattern>
    • www → yarn test-www --silent --no-watchman <pattern>
    • www variant false → yarn test-www --variant=false --silent --no-watchman <pattern>
  3. Report test results and any failures

Hard Rules:

  1. Use --silent to see failures - This limits the test output to only failures.
  2. Use --no-watchman - This is a common failure in sandboxing.

Common Mistakes:

  • Running without a pattern - Runs ALL tests, very slow. Always specify a pattern.
  • Forgetting both www variants - Test www AND www variant false for __VARIANT__ flags.
  • Test skipped unexpectedly - Check for @gate pragma; see feature-flags skill.

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.

Keep looking

Skills are one crate of 326,782. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.