Lack of intellisense support for .ts files in Visual Studio Code

Currently, I am using Visual Studio Code 1.17.2 on Arch Linux to kickstart my work with Node.js/Angular4. To avoid confusion caused by loosely typed code, I have decided to switch to TypeScript for my NodeJS server as well. This is why my main file is named server.ts.

However, there seems to be an issue. I am not receiving intellisense suggestions for external packages like express or socket.io in my TypeScript file. For instance, when I try typing require('express')., no methods suggestions appear. It appears that this could be due to the file extension: When I change the file from server.ts to server.js, everything works perfectly fine (I already have typings installed via npm).

Since my file is written in TypeScript and not JavaScript, I would prefer to keep the correct .ts extension rather than switching to .js. Is there a way to enable intellisense based on the .ts extension?

javascriptnode.jstypescriptvisual-studio-codeintellisense

Answer №1

Visual Studio Code comes equipped with support for the TypeScript language, however, it does not include the actual TypeScript compiler, tsc. In order to utilize TypeScript within Visual Studio Code, you will need to manually install the compiler. One common method is through the following command:

npm install -g typescript

Once you have added the tsc compiler, you should start seeing accurate intellisense for TypeScript in Visual Studio Code. If you want to delve deeper into using TypeScript in Visual Studio Code, I recommend checking out the following link: https://code.visualstudio.com/docs/languages/typescript

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