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Enhancing the Quarkus developer experience: New updates for IntelliJ and VS Code tools

September 18, 2024
Mohit Suman Angelo Zerr
Related topics:
Developer ProductivityDeveloper ToolsIDEsJavaQuarkus
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    It's been a while since we last updated our Quarkus support with Quarkus Tools for IntelliJ and Quarkus Tools for Visual Studio Code. Recently, we've been focused on separating our free LSP support from the IntelliJ Quarkus project into a standalone extension, LSP4IJ, which now supports various language servers.

    With the LSP4IJ project now established and increasingly integrated into other IntelliJ plugins, we can shift our focus back to enhancing our Quarkus support. This support offers consistent features across both VS Code and IntelliJ, thanks to the MicroProfile language server augmented with Quarkus-specific capabilities and Qute language servers.

    It took us a year to develop the new LSP4IJ IntelliJ plugin from our LSP support, but it has proven to be a worthwhile investment. This move has facilitated the creation of numerous other IntelliJ plugins built on LSP4IJ and has generated significant interest and contributions from the community.

    Quarkus Tools for IntelliJ 2.0.2

    The version of Quarkus Tools for IntelliJ has been updated from 1.x to 2.x due to the shift of LSP support to the LSP4IJ IntelliJ plugin.

    This new version brings several improvements:

    Enhanced Qute support:

    • Support for Template Records.
    • Support for @CheckedTemplate attributes such as basePath and defaultName.
    • Support for Qute arguments.
    • Improved validation with fewer false positive errors.

    Upgraded Quarkus support:

    • Resolution of system properties and environment variables in  microprofile-config.properties / application.properties.
    • Addition of Workspace symbols for JAX-RS endpoints(#workspace-symbols-for-jax-rs-endpoints).

    Quarkus Tools for Visual Studio Code 1.8.1

    The Quarkus Tools for Visual Studio Code 1.8.1 brings several enhancements:

    Improved Qute support:

    • Support for Template Records.
    • Support for @CheckedTemplate attributes, including basePath and defaultName.
    • Support for Qute arguments.
    • Enhanced validation with reduced false positive errors.

    Enhanced Quarkus support:

    • Resolution of system properties and environment variables in microprofile-config.properties / application.properties.
    • Added support for Reactive Routes.

    Features

    Below are details on some of the new features of Qute and Quarkus.

    Qute support

    Template Records are now supported similarly to existing Type-safe Templates and REST Integration support.

    Figure 1 depicts a demo for IntelliJ Quarkus Tools (same support for VS Code).

    Template Records Support Demo
    Figure 1: Template Records support demo.

    @CheckedTemplate attributes

    You can customize the base path and the HTML file name by using the Qute @CheckedTemplate attributes basePath, and defaultName

    Figure 2 provides a demo for IntelliJ Quarkus Tools (same support for VS Code).

    CheckedTemplate attributes demo
    Figure 2: CheckedTemplate attributes demo.

    Qute arguments

    Qute Arguments is now supported. This support provides completion, validation, and etc. for the special _args keyword and their methods.

    When _args is used in a user tag, other HTML files that reference it no longer report errors for unknown attributes.

    Below is a demo with IntelliJ Quarkus Tools (same support for VS Code) (Figure 3).

    UserTag arguments Demo
    Figure 3: UserTag arguments demo.

    Quarkus support

    The following improvements have been made to Quarkus support (below).

    application.properties

    System properties/environment variables are resolved and appear in the code editor as inlay hints, as shown in Figure 4.

    Resolve system properties/environment demo
    Figure 4: Resolve system properties/environment demo.

    Reactive Routes support

    Reactive Routes now include support for displaying URLs with CodeLens. Figure 5 depicts a demo with VS Code Quarkus (same support for IntelliJ).

    VSCode Route Demo
    Figure 5: VSCode Route demo.

    Workspace symbols for JAX-RS endpoints

    As LSP Workspace Symbol has been implemented in LSP4IJ, we can now provide the capability to navigate easily to the JAX-RS endpoints by using standard IntelliJ Symbols. 

    Below is a demo with IntelliJ Quarkus Tools (same support for VS Code) (Figure 6).

    Workspace Symbol Demo
    Figure 6: Workspace Symbol demo.

    Getting support

    If you encounter any bugs, confusing commands, or unclear documentation, or if you would like to propose a feature request, you can submit your feedback by:

    • Filing your issue directly on GitHub (IntelliJ), GitHub (VS Code).
    • Downloading the extension from VSCode and JetBrains Marketplace and providing extension feedback/reviews.

    Conclusion

    We hope you find these new releases useful and that they address your needs. While we continue to improve Quarkus and Qute support in terms of performance, bug fixes, and features. Here are some areas we’re actively working on:

    • The current collection of MicroProfile/Quarkus properties is not flawless, which can lead to false positive errors in microprofile-config.properties and application.properties, as well as some performance issues. We are collaborating closely with the Quarkus team on this through the Working Group - Quarkus Config and IDEs.
    • Property value validation has limitations due to the MicroProfile converter system, which is not fully supported by the MicroProfile language server.
    • We are also working on integrating Quarkus Ollama to enhance support for configuring Quarkus properties.

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