Method: Inject selective refresh data attributes into widget container elements.

Method: Filters sidebars_widgets option for theme switch.

Method: Filters sidebars_widgets to ensure the currently-rendered widget is the only widget in the current sidebar.

Method: Ensures the HTML data-* attributes for selective refresh are allowed by kses.

Method: Builds up an index of all available widgets for use in Backbone models.

Method: Retrieves the option that was captured from being saved.

Method: Retrieves captured widget option updates.

Method: Retrieves MAC for a serialized widget instance string.

Method: Retrieves an unslashed post value or return a default.

Method: List whether each registered widget can be use selective refresh.

Method: Retrieves common arguments to supply when constructing a Customizer setting.

Method: Converts a widget_id into its corresponding Customizer setting ID (option name).

Method: Retrieves the widget setting type given a setting ID.

Method: Retrieves the widget control markup.

Method: Retrieves the widget control markup parts.

Method: Determines whether the captured option update should be ignored.

Method: Determines whether the widgets panel is active, based on whether there are sidebars registered.

Method: Determines if a sidebar is rendered on the page.

Method: Determines whether the widget is considered “wide”.

Method: Determine if a widget is rendered on the page.

Method: Determines if a widget supports selective refresh.

Method: Renders the widget form control templates into the DOM.

Method: Override sidebars_widgets for theme switch.

Method: Converts a widget ID into its id_base and number components.

Method: Converts a widget setting ID (option path) to its id_base and number components.

Method: {@internal Missing Summary}

Method: {@internal Missing Summary}

Method: When previewing, ensures the proper previewing widgets are used.

Method: Calls admin_print_footer_scripts and admin_print_scripts hooks to allow custom scripts from plugins.

Method: Inserts default style for highlighted widget at early point so theme stylesheet can override.