Visual Studio Code:[js] types can only be used in a .ts file

Question

Is it possible to use .js files in a typescript project in vs code? I have clone a react-native project from a github repository and opened it in visual studio code. When I add

Answer 1

I restarted VS code and the error was gone, just in case it helps

Answer 2

NOTE - This is just a WORKAROUND, not solution. Use ONLY IF you do not find appropriate solution

Workaround - Add the following configuration in $workspace/.vscode/settings.json

{
    "javascript.validate.enable": false
}

Answer 3

You can try with this!!!

Install in your visual studio code the extension Flow Language Support and disable TypeScript and JavaScript Language Features

Search @builtin TypeScript and JavaScript Language Features and reload.

You can see this solutions https://stackoverflow.com/questions/48859169

Its important install npm for flow

Link Flow

Answer 4

Has that change the "Select Language Mode" for "TypeScript React" in list. it worked for me.