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Skill

flow

@facebook 247k stars Updated 2026-07-27 Author match: High

Use when you need to run Flow type checking, or when seeing Flow type errors in React code.

declarativefrontendjavascriptlibraryreactui

Install

Install this Claude and Codex skill with the command below. The command stays visible even when copy support is unavailable.

Install command
git clone https://github.com/react/react /tmp/react && ln -s /tmp/react/.claude/skills/flow ~/.claude/skills/flow

View on GitHub

From README

Flow Type Checking Arguments: $ARGUMENTS: Renderer to check (default: dom-node) Renderers | Renderer | When to Use | |----------|-------------| | dom-node | Default, recommended for most changes | | dom-browser | Browser-specific DOM code | | native | React Native | | fabric | React Native Fabric | Instructions Run yarn flow $ARGUMENTS (use dom-node if no argument) Report type errors with file locations For comprehensive checking (slow), use yarn flow-ci Common Mistakes Running without a renderer - Always specify or use default dom-node Ignoring suppressions - Check if $FlowFixMe comments are masking real issues Missing type imports - Ensure types are imported from the correct package

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