If you follow JetBrains\' Getting Started with Node.js in WebStorm instructions, node-express specific code is highlighted correctly. However if you create your own simple node-
Enabling express-DefinitelyTyped typescript library for Express project does work for me - app.get()
is successfully resolved. Adding typescript stubs is the only possible workaround, as WebStorm can't understand the way express is defined - see https://youtrack.jetbrains.com/issue/WEB-6667#comment=27-470393
If adding typescript stubs doesn't work for you, please try invalidating caches. If this doesn't help, I'd suggest contacting jetbrains support, providing a sample project