Attempts to add the template part’s area information to the input template.

Adds default theme supports for block themes when the ‘setup_theme’ action fires.

Adds the ‘Plugin File Editor’ menu item after the ‘Themes File Editor’ in Tools for block themes.

Adds necessary filters to use ‘wp_template’ posts instead of theme template files.

Adds the ‘Theme File Editor’ menu item to the bottom of the Appearance (non-block themes) or Tools (block themes) menu.

Build a unified template object based on a theme file.

Build a unified template object based a post Object.

Disables block editor for wp_navigation type posts so they can be managed via the UI.

This callback disables the content editor for wp_navigation type posts.

This callback enables content editor for wp_navigation type posts.