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  • create-react-app
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  • #11860
Closed
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Issue created Dec 31, 2021 by Administrator@rootContributor

Use of deprecated webpack DevServer onBeforeSetupMiddleware and onAfterSetupMiddleware options

Created by: cduff

Steps to reproduce

npx create-react-app my-app
cd my-app
npm start

Unexpected output

(node:22848) [DEP_WEBPACK_DEV_SERVER_ON_AFTER_SETUP_MIDDLEWARE] DeprecationWarning: 'onAfterSetupMiddleware' option is deprecated. Please use the 'setupMiddlewares' option.
(Use `node --trace-deprecation ...` to show where the warning was created)
(node:22848) [DEP_WEBPACK_DEV_SERVER_ON_BEFORE_SETUP_MIDDLEWARE] DeprecationWarning: 'onBeforeSetupMiddleware' option is deprecated. Please use the 'setupMiddlewares' option.

My environment

  • create-react-app 5.0.0
  • node 16.13.1
  • Windows 10
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