react-native 清理缓存[mac]

[timi-black]

1. Clear watchman watches:

   watchman watch-del-all

2. Delete the node_modules folder:

   sudo rm -rf node_modules && npm install

   或

   sudo rm -rf node_modules && yarn

3. Reset Metro Bundler cache:

   rm -rf /tmp/metro-bundler-cache-* or npm start -- --reset-cache

4. Remove haste cache:

   rm -rf /tmp/haste-map-react-native-packager-*

5.进入ios中执行 pod install否则会报以下错误

Unhandled JS Exception: Invariant Violation: requireNativeComponent: "RNCWKWebView" was not found in the UIManager.

This error is located at:
    in RNCWKWebView (at WebView.ios.js:289)
    in RCTView (at View.js:35)
    in View (at WebView.ios.js:292)
    in WebView (at Canvas.js:154)
    in RCTView (at View.js:35)
    in View (at Canvas.js:153)
    in Canvas (at App.js:86)
    in RCTView (at View.js:35)
    in View (at App.js:84)
    in RCTView (at View.js:35)
    in View (created by Portal.Host)
    in Portal.Host (created by Provider)
    in ThemeProvider (created by Provider)
    in LocaleProvider (created by Provider)
    in Provider (at App.js:83)
    in App (at renderApplication.js:40)
    in RCTView (at View.js:35)
    in View (at AppContainer.js:98)
    in RCTView (at View.js:35)
    in View (at AppContainer.js:115)
    in AppContainer (at renderApplication.js:39)