create react native app expo

react projects built with Create-react-app scaffolding the package files generated after using NPM run build can only be accessed at the root directory The server directory is not accessible.the error is:Manually changing the path of the index.html and then reporting the static resource introduction errorPutSwitchThe e

"Create-react-app Invalid Host Header"1. When you enable the ' Proxy ' option, you opt-in to a more strict set of host checks. This was necessary because leaving the backend open to remote hosts makes your computer vulnerable to DNS rebinding attacks .You'll see this error in the browser after enabling the ' Proxy ' option:>invalid Host Header 2, to work around i

NPM install-g Create-react-appCreate-react-app Hello-worldNPM startExport the webpack configuration using npm run ejectmodifying webpack.config.dev.js and Webpack.config-prod.js configuration filesExclude: [/\.html$/, /\. (JS|JSX) $/, /\. (css|less) $/,//knock on the blackboard, draw the key/\.json$/, /\.bmp$/, /\.

OverviewUse Create-react-app Scaffolding feel its eslint configuration a bit good, so consider not create-react-app scaffolding how to use these configurations.I then eject the Create-

Problem:Today, when using Create-react-app to build the react application, I opened two react apps, and then NPM start, it appeared something is already running on Port 3000WorkaroundI have encountered this problem before, but did not record, I try to think, first NPM start

An error was found:A module.js:545 error has occurred. Looking for a long time always thought of npm problem. Re-installed a few times or not.Then switch the download Taobao NPM image, set the method is: NPM config set registry https://registry.npm.taobao.org, after the setup is complete, re-execute Create-react-app first-app