Unable to identify TypeScript version in Visual Studio Code, causing TS Intellisense to not function properly

Global Installation of TypeScript

Below is what I see in my terminal when I run the command tsc --version.

tsc --version

// Version: 3.8.3
  • The TypeScript "version" is not showing up in the Status bar.

  • When I try to select the TypeScript version from the command palette, it's showing up as blank.

I am not receiving any Intellisense for TypeScript. How can I fix this?

Answer №1

TypeScript Troubleshooting

If you're encountering issues with your project, it may be due to a mismatch between the TypeScript packages used by the project and VS Code.

Keep in mind that you won't see the TypeScript version in the status bar unless you have a TypeScript document open in VS Code, and it's recognized as such. Simply having the file open is not enough; the file type needs to be identified as TypeScript for the version to show correctly in the status bar. So, if you're working on configuring TypeScript in your `tsconfig.json` file and need to check the version, make sure to switch focus to a TypeScript file.



Here are the steps to reinstall the latest version of TypeScript:
  • npm rm typescript
  • npm i -D typescript@latest

Setting Up typescript.tsdk in settings.json


To ensure the project uses the correct TypeScript version, add the following setting to your project's `./.vscode/settings.json` file:


// @file ".vscode/settings.json"

{
    "typescript.tsdk": "./node_modules/typescript/lib"
}

This configuration instructs VS Code to utilize the TypeScript installation located in the specified directory.

After adding the configuration, remember to "RESTART VS CODE" by pressing F1 and selecting "Developer: Reload Window" from the options.

Note: Manually restarting VS Code is also effective but slower.




Alternative TSDK Configuration

If you prefer to use the TypeScript version installed on your machine or server, update your settings.json file as follows:


// @file ".vscode/settings.json"

{
    "typescript.tsdk": "/usr/local/lib/node_modules/typescript/lib"
}

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