Visual Studio Code:[js] types can only be used in

问题:

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 a tsconfig.json in order to start using typescript, I get a long list of errors. For example here is a drawer.js file (with es6 features):

Here is my tsconfig.json file (If I remove this file then every thing works fine, no error reported) :

回答1:

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

{
    "javascript.validate.enable": false
}

回答2:

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

回答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

回答4:

You're missing a , comma between type and { Action } in line 2.