After using apt to install tsc, I find myself in a dilemma on how to either delete or upgrade it

After realizing I was missing Typescript on my server, I attempted to run the 'tsc' command. However, I received a message suggesting I use 'apt install tsc' instead. Without much thought, I executed the command. Normally, I would install Typescript using 'npm i -g typescript', but this time it installed an outdated version (2.7.x) instead of the required 4.0+. Running 'tsc -v' confirms the version mismatch, yet updating with 'apt-get update' or checking 'dpkg --list' show no signs of the incorrect installation. Attempts to remove it with 'apt-get remove' or 'apt remove' fail, as the package cannot be found. The 'tsc' command still works but throws errors due to the old version. Even trying 'npm uninstall -g typescript' proves ineffective.

How can I properly remove this erroneous Typescript installation and reinstall it through npm?

Additionally, it's worth mentioning that the issue persists regardless of the directory on the server.

For reference, here is a screenshot showcasing some of the commands I have tried and their outcomes: https://i.stack.imgur.com/12eox.png

node.jslinuxtypescriptapt

Answer №1

(Please refer to the ongoing chat discussion for more details)

In summary: The issue likely arises from having previously installed the node-typescript package using apt-get, which only includes v2.7.2 as the latest TypeScript version for Ubuntu 18.04 LTS (also known as Bionic Beaver).

To resolve this, you have two options:

  • Upgrade to a newer Ubuntu version (such as the latest stable release, 20.04 - Focal Fossa), offering v3.8.3 as the current TypeScript version, or
  • Remove the node-typescript package using 
    sudo apt-get remove node-typescript
    and install TypeScript through NPM instead. This ensures that TypeScript updates are independent of Ubuntu releases.

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