Author: dekode

Tabs Block

Display related content in a compact tab. Originally forked out of T2.

Features

• Tabbed content navigation with accessibility support (ARIA attributes, keyboard navigation)
• Customizable prefix and suffix headings (H1-H6)
• Icon support for individual tabs with size and position controls
• Flexible tab button alignment (left, center, right)
• Configurable allowed blocks within tab panels
• Screen reader-friendly icon-only mode

Library.json

{
	"dekode-library/tabs": {
		"template": [
			["core/paragraph"]
		],
		"allowedBlocks": ["core/paragraph", "t2/link-list"],
		"features": {
			"allowTabsPrefix": true,
			"allowTabsSuffix": true,
			"allowChangingTabsJustification": true,
			"allowIcons": true,
			"allowIconSize": true,
			"allowIconPosition": true,
			"defaultIcon": "arrow-right",
			"defaultIconSize": 24,
			"defaultIconPosition": "left"
		}
	}
}

Configuration Options

Basic Settings

• template – Default template for new tabs
• allowedBlocks – Allowed blocks inside each tab panel
• justifyTabs – Alignment: left / center / right

Feature Flags

• allowTabsPrefix – Enable prefix heading
• allowTabsSuffix – Enable suffix heading
• allowChangingTabsJustification – Enable alignment control

Icon Settings

• allowIcons – Enable icons
• allowIconSize – Enable icon size control
• allowIconPosition – Enable left/right position
• defaultIcon – Default icon slug
• defaultIconSize – Default size
• defaultIconPosition – Default position

Block Attributes

Tabs Block (Parent)

• headingLevel
• tabsPrefix
• tabsSuffix
• justifyTabs

Tab Inner Content (Child)

• icon
• iconSize
• iconPosition
• hideText

Usage Examples

Basic Tabs

{
	"dekode-library/tabs": {
		"template": [["core/paragraph"]]
	}
}

Tabs with Prefix and Suffix

You can add a prefix like “Choose a topic:” and suffix like “More info below”.

{
	"dekode-library/tabs": {
		"features": {
			"allowTabsPrefix": true,
			"allowTabsSuffix": true
		}
	}
}

Tabs with Icons

{
	"dekode-library/tabs": {
		"features": {
			"allowIcons": true,
			"defaultIcon": "arrow-right"
		}
	}
}

Full Configuration

{
	"dekode-library/tabs": {
		"template": [
			["core/paragraph"],
			["core/heading", { "level": 3 }]
		],
		"allowedBlocks": ["core/paragraph", "core/heading", "core/image"],
		"justifyTabs": "center",
		"features": {
			"allowTabsPrefix": true,
			"allowTabsSuffix": true,
			"allowIcons": true,
			"defaultIcon": "check"
		}
	}
}

CSS Classes

• .dekode-library-tabs
• .tabs-position-{left|center|right}
• .has-prefix
• .has-suffix

Frontend Hook

document.addEventListener('onLibraryTabChange', function(event) {
	console.log(event.detail);
});