flow

作者： facebook

針對React程式碼在DOM與原生平台上的靜態型別檢查。四種渲染器選項涵蓋標準DOM、瀏覽器特定程式碼、React Native及Fabric環境。執行yarn flow時可附加渲染器參數；使用yarn flow-ci進行全面但較慢的檢查。報告型別錯誤時會標示檔案位置，協助快速識別與修正問題。需留意常見陷阱：未指定渲染器、未審查的$FlowFixMe抑制標記，以及錯誤的型別匯入。

npx skills add https://github.com/facebook/react --skill flow
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Flow Type Checking

Arguments:

  • $ARGUMENTS: Renderer to check (default: dom-node)

Renderers

RendererWhen to Use
dom-nodeDefault, recommended for most changes
dom-browserBrowser-specific DOM code
nativeReact Native
fabricReact Native Fabric

Instructions

  1. Run yarn flow $ARGUMENTS (use dom-node if no argument)
  2. Report type errors with file locations
  3. 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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