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description=Note: this feature is available with react-scripts@2.1.0 and higher.;

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adding typescript create react app skip to main content create react app is deprecated read more here create react app docs help github search k welcome getting started development styles and assets building your app installing a dependency importing a component using global variables adding bootstrap adding flow adding typescript adding relay adding a router environment variables making a progressive web app measuring performance creating a production build testing back end integration deployment advanced usage support on this page adding typescript note this feature is available with react scripts 2 1 0 and higher typescript is a typed superset of javascript that compiles to plain javascript installation to start a new create react app project with typescript you can run npx create react app my app template typescript copy or yarn create react app my app template typescript copy if you ve previously installed create react app globally via npm install g create react app we recommend you uninstall the package using npm uninstall g create react app or yarn global remove create react app to ensure that npx always uses the latest version global installs of create react app are no longer supported to add typescript to an existing create react app project first install it npm install save typescript types node types react types react dom types jest copy or yarn add typescript types node types react types react dom types jest copy next rename any file to be a typescript file e g src index js to src index tsx and create tsconfig json if it s not in the root of your project tsconfig json file finally restart your development server type errors will show up in the same console as the build one you ll have to fix these type errors before you continue development or build your project for advanced configuration see here getting started with typescript and react you are not required to make a tsconfig json file one will be made for you you are allowed to edit the generated typescript configuration typescript handbook typescript example on react react typescript cheatsheets has a good overview on how to use react with typescript troubleshooting if your project is not created with typescript enabled npx may be using a cached version of create react app remove previously installed versions with npm uninstall g create react app or yarn global remove create react app see 6119 if you are currently using create react app typescript see this blog post for instructions on how to migrate to create react app constant enums and namespaces are not supported you can learn about the constraints of using babel with typescript here edit this page last updated on 6 22 2022 by paweł skowronek previous adding flow next adding relay installation getting started with typescript and react troubleshooting docs get started learn react community stack overflow github discussions twitter contributor covenant social github copyright 2025 facebook inc