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Gap block support: force gap change to cause the block to re-render (fix Safari issue) #34567

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Merged
andrewserong merged 2 commits into from
Sep 8, 2021
Merged

Gap block support: force gap change to cause the block to re-render (fix Safari issue) #34567

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c8024c8
Gap block support: force changing gap to cause the block to be re-ren…
andrewserong Sep 6, 2021
2f939fd
Add browser sniffing to guard replaceChild behind isSafari check
andrewserong Sep 7, 2021
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17 changes: 17 additions & 0 deletions packages/block-editor/src/hooks/gap.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ import {
/**
* Internal dependencies
*/
import { __unstableUseBlockRef as useBlockRef } from '../components/block-list/use-block-props/use-block-refs';
import useSetting from '../components/use-setting';
import { SPACING_SUPPORT_KEY } from './dimensions';
import { cleanEmptyObject } from './utils';
Expand Down Expand Up @@ -79,6 +80,7 @@ export function useIsGapDisabled( { name: blockName } = {} ) {
*/
export function GapEdit( props ) {
const {
clientId,
attributes: { style },
setAttributes,
} = props;
Expand All @@ -93,6 +95,8 @@ export function GapEdit( props ) {
],
} );

const ref = useBlockRef( clientId );

if ( useIsGapDisabled( props ) ) {
return null;
}
Expand All @@ -109,6 +113,19 @@ export function GapEdit( props ) {
setAttributes( {
style: cleanEmptyObject( newStyle ),
} );

// In Safari, changing the `gap` CSS value on its own will not trigger the layout
// to be recalculated / re-rendered. To force the updated gap to re-render, here
// we replace the block's node with itself.
const isSafari =
window?.navigator.userAgent &&
window.navigator.userAgent.includes( 'Safari' ) &&
! window.navigator.userAgent.includes( 'Chrome ' ) &&
! window.navigator.userAgent.includes( 'Chromium ' );

if ( ref.current && isSafari ) {
ref.current.parentNode?.replaceChild( ref.current, ref.current );
}
};

return Platform.select( {
Expand Down