Why Use DVM?

• Project Compatibility: Some projects might require a specific Deno version. DVM lets you quickly switch to the right version for each project.
• Easy Testing: Want to see if your code works on an older or the latest Deno? DVM makes it a breeze to test across different versions.
• Keep Things Clean: DVM keeps each Deno version separate, preventing conflicts and making your setup organized.
• Global Deno Management: Install Deno once with DVM, and then manage versions globally without messy manual installations.

Getting Started with DVM

Let's get DVM up and running. The installation is straightforward:

For macOS/Linux (using curl):

$ curl -fsSL https://deno.land/x/dvm/install.sh | sh

For macOS/Linux (using wget):

$ wget -qO- https://deno.land/x/dvm/install.sh | sh

For Windows (PowerShell):

$ iex "& { $(irm https://deno.land/x/dvm/install.ps1) }"

After installation, close and reopen your terminal or run:

$ source ~/.dvm/dvm.sh  # For bash/zsh

or

$ . $HOME\.dvm\dvm.ps1  # For PowerShell

Basic DVM Commands You'll Use Every Day

Once DVM is installed, here are the commands you'll use most often:

1. Install a Deno Version:

   Let's say you want to install Deno version v1.30.3. Just run:

   $ dvm install 1.30.3
   

   DVM will download and install that specific version for you. You can install multiple versions this way!

2. Use a Specific Deno Version:

   To switch to and use the Deno version you just installed (or any other installed version), use the use command:

   $ dvm use 1.30.3
   

   Now, when you run deno --version, it will show v1.30.3. DVM makes this version active in your current terminal session.

3. List Installed Deno Versions:

   Want to see which Deno versions you have installed using DVM? Simple:

   $ dvm list
   

   This will show you a list of all the Deno versions managed by DVM on your system.

4. Uninstall a Deno Version:

   If you no longer need a specific version, you can easily remove it:

   $ dvm uninstall 1.30.3
   

   This will free up space and keep your DVM installation tidy.

5. Using the Latest Deno Version:

   If you want to quickly use the latest stable Deno version, you can often just use:

   $ dvm use latest
   

   DVM will fetch and use the most recent stable release. (Note: Always double-check if latest behaves as expected and refers to stable in DVM documentation).

Conclusion

This article introduced you to DVM - a Deno version manager. Remember to always refer to the official DVM documentation for the most up-to-date and detailed information!

This article was written by Ahmad Adel. Ahmad is a freelance writer and also a backend developer.