Version 2025-07 is the last API version to support React-based UI components. Later versions use web components, native UI elements with built-in accessibility, better performance, and consistent styling with Shopify's design system. Check out the migration guide to upgrade your extension.
Skeleton Text
SkeletonText is used to provide a low fidelity representation of text content before it appears on the page.
Optionally you can use any text content inside to be used as a base for the rendered skeleton
Supported targets
- Checkout::Actions::Render
Before - Checkout::Cart
Line Details::Render After - Checkout::Cart
Lines::Render After - Checkout::Contact::Render
After - Checkout::Customer
Information::Render After - Checkout::Delivery
Address::Render Before - Checkout::Dynamic::Render
- Checkout::Pickup
Locations::Render After - Checkout::Pickup
Locations::Render Before - Checkout::Pickup
Points::Render After - Checkout::Pickup
Points::Render Before - Checkout::Reductions::Render
After - Checkout::Reductions::Render
Before - Checkout::Shipping
Method Details::Render After - Checkout::Shipping
Method Details::Render Expanded - Checkout::Shipping
Methods::Render After - Checkout::Shipping
Methods::Render Before - Checkout::Thank
You::Cart Line Details::Render After - Checkout::Thank
You::Cart Lines::Render After - Checkout::Thank
You::Customer Information::Render After - Checkout::Thank
You::Dynamic::Render - purchase.
checkout. actions. render-before - purchase.
checkout. block. render - purchase.
checkout. cart-line-item. render-after - purchase.
checkout. cart-line-list. render-after - purchase.
checkout. contact. render-after - purchase.
checkout. delivery-address. render-after - purchase.
checkout. delivery-address. render-before - purchase.
checkout. footer. render-after - purchase.
checkout. header. render-after - purchase.
checkout. payment-method-list. render-after - purchase.
checkout. payment-method-list. render-before - purchase.
checkout. pickup-location-list. render-after - purchase.
checkout. pickup-location-list. render-before - purchase.
checkout. pickup-location-option-item. render-after - purchase.
checkout. pickup-point-list. render-after - purchase.
checkout. pickup-point-list. render-before - purchase.
checkout. reductions. render-after - purchase.
checkout. reductions. render-before - purchase.
checkout. shipping-option-item. details. render - purchase.
checkout. shipping-option-item. render-after - purchase.
checkout. shipping-option-list. render-after - purchase.
checkout. shipping-option-list. render-before - purchase.
thank-you. announcement. render - purchase.
thank-you. block. render - purchase.
thank-you. cart-line-item. render-after - purchase.
thank-you. cart-line-list. render-after - purchase.
thank-you. customer-information. render-after - purchase.
thank-you. footer. render-after - purchase.
thank-you. header. render-after
Supported targets
- Checkout::Actions::Render
Before - Checkout::Cart
Line Details::Render After - Checkout::Cart
Lines::Render After - Checkout::Contact::Render
After - Checkout::Customer
Information::Render After - Checkout::Delivery
Address::Render Before - Checkout::Dynamic::Render
- Checkout::Pickup
Locations::Render After - Checkout::Pickup
Locations::Render Before - Checkout::Pickup
Points::Render After - Checkout::Pickup
Points::Render Before - Checkout::Reductions::Render
After - Checkout::Reductions::Render
Before - Checkout::Shipping
Method Details::Render After - Checkout::Shipping
Method Details::Render Expanded - Checkout::Shipping
Methods::Render After - Checkout::Shipping
Methods::Render Before - Checkout::Thank
You::Cart Line Details::Render After - Checkout::Thank
You::Cart Lines::Render After - Checkout::Thank
You::Customer Information::Render After - Checkout::Thank
You::Dynamic::Render - purchase.
checkout. actions. render-before - purchase.
checkout. block. render - purchase.
checkout. cart-line-item. render-after - purchase.
checkout. cart-line-list. render-after - purchase.
checkout. contact. render-after - purchase.
checkout. delivery-address. render-after - purchase.
checkout. delivery-address. render-before - purchase.
checkout. footer. render-after - purchase.
checkout. header. render-after - purchase.
checkout. payment-method-list. render-after - purchase.
checkout. payment-method-list. render-before - purchase.
checkout. pickup-location-list. render-after - purchase.
checkout. pickup-location-list. render-before - purchase.
checkout. pickup-location-option-item. render-after - purchase.
checkout. pickup-point-list. render-after - purchase.
checkout. pickup-point-list. render-before - purchase.
checkout. reductions. render-after - purchase.
checkout. reductions. render-before - purchase.
checkout. shipping-option-item. details. render - purchase.
checkout. shipping-option-item. render-after - purchase.
checkout. shipping-option-list. render-after - purchase.
checkout. shipping-option-list. render-before - purchase.
thank-you. announcement. render - purchase.
thank-you. block. render - purchase.
thank-you. cart-line-item. render-after - purchase.
thank-you. cart-line-list. render-after - purchase.
thank-you. customer-information. render-after - purchase.
thank-you. footer. render-after - purchase.
thank-you. header. render-after
Anchor to skeletontextpropsSkeletonTextProps
- Anchor to idididstringstring
A unique identifier for the component.
- Anchor to inlineSizeinlineSizeinlineSize'small' | 'large' | 'base''small' | 'large' | 'base'
Adjust the length of the text when no children are passed.
- Anchor to sizesizesizeTextSizeTextSize
Size of the text the skeleton replaces.
TextSize
Extract<Size, 'extraSmall' | 'small' | 'base' | 'large' | 'extraLarge'> | 'medium'Size
'extraSmall' | 'small' | 'base' | 'large' | 'extraLarge' | 'fill'Preview

Examples
Basic SkeletonText
React
import { reactExtension, SkeletonText, } from '@shopify/ui-extensions-react/checkout'; export default reactExtension( 'purchase.checkout.block.render', () => <Extension />, ); function Extension() { return <SkeletonText />; }JS
import {extension, SkeletonText} from '@shopify/ui-extensions/checkout'; export default extension('purchase.checkout.block.render', (root) => { const skeletonText = root.createComponent(SkeletonText); root.appendChild(skeletonText); });Using skeleton loaders to prevent layout shifts on content load.
Description
When adding content to a layout, incorporate a skeleton loader that renders the approximate size and position of the content during loading. This will provide a seamless transition from skeleton loaders to the content, and prevent any layout shift when the resulting content loads.
React
import { reactExtension, View, BlockStack, InlineLayout, SkeletonImage, Image, Icon, SkeletonText, Text, } from '@shopify/ui-extensions-react/checkout'; export default reactExtension( 'purchase.checkout.block.render', () => <LoadingStateSkeletons />, ); export const ProductThumbnail = ({ source = 'https://yourawesomeimage.com', }) => ( <View minBlockSize={64} cornerRadius="large" maxInlineSize={64} minInlineSize={64} border="base" > {source ? ( <Image fit="cover" aspectRatio={1} source={source} cornerRadius="large" /> ) : ( <View maxInlineSize={33}> <Icon source="camera" size="fill" /> </View> )} </View> ); export const LoadingStateSkeletons = () => { const loading = true; const [item1, item2] = [ { title: 'Felipe Toledo WildFire', variantTitle: 'Medium', price: '$330.00', }, { title: 'Roller', variantTitle: 'Medium', price: '$248.00', }, ]; const itemInfo = ({title, variantTitle}) => loading ? ( <> <SkeletonText>{title}</SkeletonText> <SkeletonText> {variantTitle} </SkeletonText> </> ) : ( <> <Text emphasis="bold">{title}</Text> <Text appearance="subdued"> {variantTitle} </Text> </> ); const order = (item) => ( <InlineLayout columns={['auto', 'fill', 'auto']} spacing="base" blockAlignment="center" > {loading ? ( <SkeletonImage blockSize={64} inlineSize={64} /> ) : ( <ProductThumbnail /> )} <BlockStack spacing="extraTight"> {itemInfo(item)} </BlockStack> {loading ? ( <SkeletonText>{item.price}</SkeletonText> ) : ( <Text emphasis="bold">{item.price}</Text> )} </InlineLayout> ); return ( <View maxInlineSize={400}> <BlockStack> {order(item1)} {order(item2)} </BlockStack> </View> ); };JavaScript
import { extension, BlockStack, View, InlineLayout, Image, Icon, Text, SkeletonImage, SkeletonText, } from '@shopify/ui-extensions/checkout'; export default extension( 'purchase.checkout.block.render', (root) => { const source = 'https://yourawesomeimage.com'; const loading = true; const [item1, item2] = [ { title: 'Felipe Toledo WildFire', variantTitle: 'Medium', price: '$330.00', }, { title: 'Roller', variantTitle: 'Medium', price: '$248.00', }, ]; const thumbnail = root.createComponent( View, { minBlockSize: 64, cornerRadius: 'large', maxInlineSize: 64, minInlineSize: 64, border: 'base', }, [ source ? root.createComponent(Image, { fit: 'cover', aspectRatio: 1, source, cornerRadius: 'large', }) : root.createComponent( View, {maxInlineSize: 33}, [ root.createComponent(Icon, { source: 'camera', size: 'fill', }), ], ), ], ); const itemInfo = ({title, variantTitle}) => root.createComponent( BlockStack, { spacing: 'extraTight', }, [ loading ? (root.createComponent( SkeletonText, {}, title, ), root.createComponent( SkeletonText, {}, variantTitle, )) : (root.createComponent( Text, {}, title, ), root.createComponent( Text, {}, variantTitle, )), ], ); const order = (item) => root.createComponent( InlineLayout, { columns: ['auto', 'fill', 'auto'], spacing: 'base', blockAlignment: 'center', }, [ loading ? root.createComponent( SkeletonImage, { blockSize: 64, inlineSize: 64, }, ) : thumbnail, itemInfo(item), loading ? root.createComponent( SkeletonText, {}, item.price, ) : root.createComponent( Text, {}, item.price, ), ], ); const view = root.createComponent( View, { maxInlineSize: 400, }, [ root.createComponent(BlockStack, {}, [ order(item1), order(item2), ]), ], ); root.appendChild(view); }, );