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Full Line code completion

Last modified: 09 April 2024

Configure: Settings | Editor | General | Code Completion | Machine Learning-Assisted Completion

Enable/disable: Enable Full Line suggestions checkbox

To accept the suggestion in the editor: Tab

The Full Line code completion feature uses a locally run deep learning model to suggest entire lines of code.

note

Full Line code completion runs entirely on your local device without sending any code over the internet.

Suggestions are displayed in the editor in gray italics as you type Ruby, JavaScript/TypeScript, or CSS code. To accept the suggestion, press Tab.

The IDE formats all suggestions and adds required brackets and quotes.

Each supported language has its own set of suggested code checks. The most basic ones, like unresolved reference checks, are available for most of the languages to guarantee that the IDE doesn't suggest non-existent variables and methods.

Full Line completion supports auto-import and uses smart filtering to avoid showing suggestions that tend to be canceled explicitly or deleted right after they were accepted.

Before you start working with Full Line code completion, note that:

  • Full Line code completion is currently not supported in Remote Development.

  • Full Line code completion requires a computer with a 64-bit processor or an x86 processor that supports AVX2.

Enable the Full Line Code Completion plugin

This functionality relies on the Full Line Code Completion plugin, which is bundled and enabled in RubyMine by default. If the relevant features aren't available, make sure that you didn't disable the plugin.

  1. Press CtrlAlt0S to open the IDE settings and then select Plugins.

  2. Open the Installed tab, find the Full Line Code Completion plugin, and select the checkbox next to the plugin name.

Enable Full Line completion

  1. Press CtrlAlt0S to open the IDE settings and select Editor | General | Code Completion.

  2. In the Machine Learning-Assisted Completion section, select Enable Full Line suggestions and select the languages that you want to use Full Line completion with.

    Models for Ruby are bundled with RubyMine.

    For some languages, for example, for CSS and JavaScript / TypeScript, you need to manually download models by clicking Download Model to enable completion.

    Enabling full line code completion

Full Line completion runs locally using the models that are downloaded to your computer. You can choose the way with which these models are updated from the Download models drop-down list. You can update the models automatically, manually, or confirm every update in a notification.

Configure Full Line completion

  1. Hover over the suggestion.

  2. In the popup that appears, click and select the key that you want to use for accepting suggestions, for example, 0→.

    To assign your own shortcut, select Custom.

    Full line code completion popup

  3. For quick access to the Full Line completion settings, click in the popup.

tip

You can also use inline code completion in AI Assistant, which automatically completes entire functions and blocks of code based on the context of your project.