UI tasks

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There are some Breeze commands that are used to support Apache Airflow project UI.

Those are all of the available ui commands:

.. image:: ./images/output_ui.svg :target: https://raw.githubusercontent.com/apache/airflow/main/dev/breeze/doc/images/output_ui.svg :width: 100% :alt: Breeze ui commands

Compiling ui assets

Before starting Airflow, Airflow API server needs to prepare www assets - compiled with node and yarn. The breeze ui compile-assets command takes care about it. This is needed when you want to run API server inside of the breeze.

.. image:: ./images/output_ui_compile-assets.svg :target: https://raw.githubusercontent.com/apache/airflow/main/dev/breeze/images/output_ui_compile-assets.svg :width: 100% :alt: Breeze ui compile-assets

Note

This command requires the prek tool, which should be installed by following this guide <../../../contributing-docs/03b_contributors_quick_start_seasoned_developers.rst#configuring-prek>__.

Check translation completeness """"""""""""""""""""""""""""""

To check if the UI translations are complete for all languages, you can use the breeze ui check-translation-completeness command. This command compares all non-English locale translations against the English (base) translations to identify:

Missing translation keys that need to be added
Extra translation keys that should be removed
TODO markers indicating incomplete translations
Translation coverage percentages per language

The command supports language-specific plural forms (e.g., Polish has 4 forms, Arabic has 6) and can automatically add missing keys or remove extra keys.

These are all available flags of check-translation-completeness command:

.. image:: ./images/output_ui_check-translation-completeness.svg :target: https://raw.githubusercontent.com/apache/airflow/main/dev/breeze/doc/images/output_ui_check-translation-completeness.svg :width: 100% :alt: Breeze check translation completeness

Example usage:

.. code-block:: bash

 # Check all languages
 breeze ui check-translation-completeness

 # Check a specific language
 breeze ui check-translation-completeness --language pl

 # Add missing translations with TODO markers
 breeze ui check-translation-completeness --add-missing

 # Remove unused translations (keys not required)
 breeze ui check-translation-completeness --remove-unused

 # Fix translations for a specific language
 breeze ui check-translation-completeness --language de --add-missing --remove-unused

Next step: Follow the Registry tasks <11_registry_tasks.rst>__ instructions to learn about the provider registry commands.