Supported extensions and languages

  • Tier: Premium, Ultimate
  • Add-on: GitLab Duo Core, Pro, or Enterprise, GitLab Duo with Amazon Q
  • Offering: GitLab.com, GitLab Self-Managed, GitLab Dedicated

Version history

  • Changed to require GitLab Duo add-on in GitLab 17.6 and later.
  • Changed to include GitLab Duo Core in GitLab 18.0.

Code Suggestions is available in the following editor extensions and for the following languages.

Supported editor extensions

To use Code Suggestions, use one of these editor extensions:

IDE Extension
Visual Studio Code (VS Code) GitLab Workflow for VS Code
GitLab Web IDE (VS Code in the Cloud) No configuration required.
Microsoft Visual Studio (2022 for Windows) Visual Studio GitLab extension
JetBrains IDEs GitLab Duo Plugin for JetBrains
Neovim gitlab.vim plugin
Eclipse GitLab for Eclipse

A GitLab Language Server is used in VS Code, Visual Studio, Eclipse, and Neovim. The Language Server supports faster iteration across more platforms. You can also configure it to support Code Suggestions in IDEs where GitLab doesn't provide official support.

You can express interest in other IDE extension support in this issue.

Supported languages by IDE

The following table provides more information on the languages Code Suggestions supports by default, and the IDEs.

Code Suggestions also works with other languages, but you must manually add support.

Language Web IDE VS Code JetBrains IDEs Visual Studio 2022 for Windows Neovim Eclipse
C yes yes no yes yes yes
C++ yes yes yes yes yes yes
C# yes yes yes yes yes yes
CSS yes no no no no no
Go yes yes yes yes yes yes
Google SQL yes yes yes yes yes no
HAML yes yes yes yes yes yes
HTML yes no no no no no
Java yes yes yes yes yes yes
JavaScript yes yes yes yes yes yes
Kotlin no yes 1 yes yes yes yes
Markdown yes no no no no no
PHP yes yes yes yes yes yes
Python yes yes yes yes yes yes
Ruby yes yes yes yes yes yes
Rust yes yes yes yes yes yes
Scala no yes 2 yes yes yes yes
Shell scripts (bash only) yes no yes yes yes yes
Svelte yes yes yes yes yes yes
Swift yes yes yes yes yes yes
TypeScript (.ts and .tsx files) yes yes yes yes yes yes
Terraform no yes 3 yes no yes 4 yes
Vue yes yes yes yes yes yes

Footnotes:

  1. VS Code requires a third-party extension that provides Kotlin support.
  2. VS Code requires a third-party extension that provides Scala support.
  3. VS Code requires a third-party extension that provides Terraform support.
  4. Neovim requires a third-party extension that provides the terraform file type.

Some languages are not supported in all JetBrains IDEs, or might require additional plugin support. Refer to the JetBrains documentation for specifics on your IDE.

Support for Infrastructure-as-Code (IaC)

Code Suggestions works with infrastructure-as-code interfaces, including:

  • Kubernetes Resource Model (KRM)
  • Google Cloud CLI
  • Terraform

Manage languages for Code Suggestions

Version history

  • Introduced in GitLab Workflow for VS Code 4.21.0

You can customize your coding experience in VS Code by enabling or disabling Code Suggestions for specific supported languages. You can do this by editing your settings.json file directly, or from the VS Code user interface:

  1. In VS Code, open the extension settings for GitLab Workflow:
    1. On the top bar, go to Code > Settings > Extensions.
    2. Search for GitLab Workflow in the list, and select Manage ({settings}).
    3. Select Extension Settings.
  2. In your User settings, find the section titled AI Assisted Code Suggestions: Enabled Supported Languages.
  3. To enable Code Suggestions for a language, select its checkbox.
  4. To disable Code Suggestions for a language, clear its checkbox.
  5. Your changes are automatically saved, and take effect immediately.

When you disable Code Suggestions for a language, the GitLab Duo icon changes to show that suggestions are disabled for this language. On hover, it shows Code Suggestions are disabled for this language.

Add support for more languages

If your desired language doesn't have Code Suggestions available by default, you can add support for your language locally. However, Code Suggestions might not function as expected.

Visual Studio Code

Prerequisites:

To do this:

  1. Find your desired language in the list of language identifiers. You need the Identifier for your languages in a later step.
  2. In VS Code, open the extension settings for GitLab Workflow:
    1. On the top bar, go to Code > Settings > Extensions.
    2. Search for GitLab Workflow in the list, and select Manage ({settings}).
    3. Select Extension Settings.
    4. In your User settings, find GitLab › Ai Assisted Code Suggestions: Additional Languages and select Add Item.
  3. In Item, add the identifier for each language you want to support. Identifiers should be lowercase, like html or powershell. Don't add leading periods from file suffixes to each identifier.
  4. Select OK.

JetBrains IDEs

Prerequisites:

To do this:

  1. Find your desired language in the list of language identifiers. You need the identifier for your languages in a later step.
  2. In your IDE, on the top bar, select your IDE name, then select Settings.
  3. On the left sidebar, select Tools > GitLab Duo.
  4. Under Code Suggestions Enabled Languages > Additional languages, add the identifier for each language you want to support. Identifiers should be in lowercase, like html. Separate multiple identifiers with commas, like html,powershell,latex, and don't add leading periods to each identifier.
  5. Select OK.

Eclipse

Prerequisites:

To do this:

  1. In your Eclipse bottom menu, select the GitLab icon.
  2. Select Show Settings.
  3. Scroll down to the Code Suggestions Enabled Languages section.
  4. In Additional Languages, add a comma-separated list of language identifiers. Don't add leading periods to the identifiers. For example, use html, md, and powershell.