Add hidden scope to WPBlockVariationScope

[richtabor]

What?

Add a way for a block's variations to not render within the block card, while also maintaining transformability between each other. A follow-up to support #55520, where we don't need the transforms from H1 to H6 in the block inspector. This would also help with leaning in to variations more, especially around content -> content transformations.

This PR adds support to the "Date" block's "Modified Date" variation.

Note that hidden may not be the best scope value; open to suggestions.

Testing Instructions

1. Add the "Date" block to a page.
2. See the "Modified Date" block variation within the "Transform to" popover, but not in the block card (sidebar inspector).

Screenshots or screencast

Before	After

[github-actions]

Size Change: +20 B (0%)

Total Size: 1.69 MB

Filename	Size	Change
build/block-editor/index.min.js	247 kB	+18 B (0%)
build/block-library/index.min.js	211 kB	+2 B (0%)

ℹ️ View Unchanged

Filename	Size
build/a11y/index.min.js	964 B
build/annotations/index.min.js	2.71 kB
build/api-fetch/index.min.js	2.29 kB
build/autop/index.min.js	2.11 kB
build/blob/index.min.js	461 B
build/block-directory/index.min.js	7.25 kB
build/block-directory/style-rtl.css	1.04 kB
build/block-directory/style.css	1.04 kB
build/block-editor/content-rtl.css	4.28 kB
build/block-editor/content.css	4.27 kB
build/block-editor/default-editor-styles-rtl.css	403 B
build/block-editor/default-editor-styles.css	403 B
build/block-editor/style-rtl.css	15.6 kB
build/block-editor/style.css	15.6 kB
build/block-library/blocks/archives/editor-rtl.css	61 B
build/block-library/blocks/archives/editor.css	60 B
build/block-library/blocks/archives/style-rtl.css	90 B
build/block-library/blocks/archives/style.css	90 B
build/block-library/blocks/audio/editor-rtl.css	150 B
build/block-library/blocks/audio/editor.css	150 B
build/block-library/blocks/audio/style-rtl.css	122 B
build/block-library/blocks/audio/style.css	122 B
build/block-library/blocks/audio/theme-rtl.css	138 B
build/block-library/blocks/audio/theme.css	138 B
build/block-library/blocks/avatar/editor-rtl.css	116 B
build/block-library/blocks/avatar/editor.css	116 B
build/block-library/blocks/avatar/style-rtl.css	104 B
build/block-library/blocks/avatar/style.css	104 B
build/block-library/blocks/block/editor-rtl.css	305 B
build/block-library/blocks/block/editor.css	305 B
build/block-library/blocks/button/editor-rtl.css	587 B
build/block-library/blocks/button/editor.css	587 B
build/block-library/blocks/button/style-rtl.css	633 B
build/block-library/blocks/button/style.css	632 B
build/block-library/blocks/buttons/editor-rtl.css	337 B
build/block-library/blocks/buttons/editor.css	337 B
build/block-library/blocks/buttons/style-rtl.css	332 B
build/block-library/blocks/buttons/style.css	332 B
build/block-library/blocks/calendar/style-rtl.css	239 B
build/block-library/blocks/calendar/style.css	239 B
build/block-library/blocks/categories/editor-rtl.css	113 B
build/block-library/blocks/categories/editor.css	112 B
build/block-library/blocks/categories/style-rtl.css	124 B
build/block-library/blocks/categories/style.css	124 B
build/block-library/blocks/code/editor-rtl.css	53 B
build/block-library/blocks/code/editor.css	53 B
build/block-library/blocks/code/style-rtl.css	121 B
build/block-library/blocks/code/style.css	121 B
build/block-library/blocks/code/theme-rtl.css	124 B
build/block-library/blocks/code/theme.css	124 B
build/block-library/blocks/columns/editor-rtl.css	108 B
build/block-library/blocks/columns/editor.css	108 B
build/block-library/blocks/columns/style-rtl.css	421 B
build/block-library/blocks/columns/style.css	421 B
build/block-library/blocks/comment-author-avatar/editor-rtl.css	125 B
build/block-library/blocks/comment-author-avatar/editor.css	125 B
build/block-library/blocks/comment-content/style-rtl.css	92 B
build/block-library/blocks/comment-content/style.css	92 B
build/block-library/blocks/comment-template/style-rtl.css	199 B
build/block-library/blocks/comment-template/style.css	198 B
build/block-library/blocks/comments-pagination-numbers/editor-rtl.css	123 B
build/block-library/blocks/comments-pagination-numbers/editor.css	121 B
build/block-library/blocks/comments-pagination/editor-rtl.css	222 B
build/block-library/blocks/comments-pagination/editor.css	209 B
build/block-library/blocks/comments-pagination/style-rtl.css	235 B
build/block-library/blocks/comments-pagination/style.css	231 B
build/block-library/blocks/comments-title/editor-rtl.css	75 B
build/block-library/blocks/comments-title/editor.css	75 B
build/block-library/blocks/comments/editor-rtl.css	840 B
build/block-library/blocks/comments/editor.css	839 B
build/block-library/blocks/comments/style-rtl.css	637 B
build/block-library/blocks/comments/style.css	636 B
build/block-library/blocks/cover/editor-rtl.css	647 B
build/block-library/blocks/cover/editor.css	650 B
build/block-library/blocks/cover/style-rtl.css	1.7 kB
build/block-library/blocks/cover/style.css	1.69 kB
build/block-library/blocks/details/editor-rtl.css	65 B
build/block-library/blocks/details/editor.css	65 B
build/block-library/blocks/details/style-rtl.css	98 B
build/block-library/blocks/details/style.css	98 B
build/block-library/blocks/embed/editor-rtl.css	293 B
build/block-library/blocks/embed/editor.css	293 B
build/block-library/blocks/embed/style-rtl.css	410 B
build/block-library/blocks/embed/style.css	410 B
build/block-library/blocks/embed/theme-rtl.css	138 B
build/block-library/blocks/embed/theme.css	138 B
build/block-library/blocks/file/editor-rtl.css	316 B
build/block-library/blocks/file/editor.css	316 B
build/block-library/blocks/file/style-rtl.css	311 B
build/block-library/blocks/file/style.css	312 B
build/block-library/blocks/file/view.min.js	321 B
build/block-library/blocks/footnotes/style-rtl.css	201 B
build/block-library/blocks/footnotes/style.css	199 B
build/block-library/blocks/form-input/editor-rtl.css	229 B
build/block-library/blocks/form-input/editor.css	228 B
build/block-library/blocks/form-input/style-rtl.css	343 B
build/block-library/blocks/form-input/style.css	343 B
build/block-library/blocks/form-submission-notification/editor-rtl.css	343 B
build/block-library/blocks/form-submission-notification/editor.css	342 B
build/block-library/blocks/form-submit-button/style-rtl.css	69 B
build/block-library/blocks/form-submit-button/style.css	69 B
build/block-library/blocks/form/view.min.js	452 B
build/block-library/blocks/freeform/editor-rtl.css	2.61 kB
build/block-library/blocks/freeform/editor.css	2.61 kB
build/block-library/blocks/gallery/editor-rtl.css	957 B
build/block-library/blocks/gallery/editor.css	962 B
build/block-library/blocks/gallery/style-rtl.css	1.55 kB
build/block-library/blocks/gallery/style.css	1.55 kB
build/block-library/blocks/gallery/theme-rtl.css	122 B
build/block-library/blocks/gallery/theme.css	122 B
build/block-library/blocks/group/editor-rtl.css	654 B
build/block-library/blocks/group/editor.css	654 B
build/block-library/blocks/group/style-rtl.css	57 B
build/block-library/blocks/group/style.css	57 B
build/block-library/blocks/group/theme-rtl.css	78 B
build/block-library/blocks/group/theme.css	78 B
build/block-library/blocks/heading/style-rtl.css	189 B
build/block-library/blocks/heading/style.css	189 B
build/block-library/blocks/html/editor-rtl.css	340 B
build/block-library/blocks/html/editor.css	341 B
build/block-library/blocks/image/editor-rtl.css	834 B
build/block-library/blocks/image/editor.css	833 B
build/block-library/blocks/image/style-rtl.css	1.54 kB
build/block-library/blocks/image/style.css	1.54 kB
build/block-library/blocks/image/theme-rtl.css	137 B
build/block-library/blocks/image/theme.css	137 B
build/block-library/blocks/image/view.min.js	2.01 kB
build/block-library/blocks/latest-comments/style-rtl.css	357 B
build/block-library/blocks/latest-comments/style.css	357 B
build/block-library/blocks/latest-posts/editor-rtl.css	213 B
build/block-library/blocks/latest-posts/editor.css	212 B
build/block-library/blocks/latest-posts/style-rtl.css	478 B
build/block-library/blocks/latest-posts/style.css	478 B
build/block-library/blocks/list/style-rtl.css	88 B
build/block-library/blocks/list/style.css	88 B
build/block-library/blocks/media-text/editor-rtl.css	266 B
build/block-library/blocks/media-text/editor.css	263 B
build/block-library/blocks/media-text/style-rtl.css	505 B
build/block-library/blocks/media-text/style.css	503 B
build/block-library/blocks/more/editor-rtl.css	431 B
build/block-library/blocks/more/editor.css	431 B
build/block-library/blocks/navigation-link/editor-rtl.css	671 B
build/block-library/blocks/navigation-link/editor.css	672 B
build/block-library/blocks/navigation-link/style-rtl.css	103 B
build/block-library/blocks/navigation-link/style.css	103 B
build/block-library/blocks/navigation-submenu/editor-rtl.css	299 B
build/block-library/blocks/navigation-submenu/editor.css	299 B
build/block-library/blocks/navigation/editor-rtl.css	2.26 kB
build/block-library/blocks/navigation/editor.css	2.26 kB
build/block-library/blocks/navigation/style-rtl.css	2.26 kB
build/block-library/blocks/navigation/style.css	2.25 kB
build/block-library/blocks/navigation/view.min.js	1.07 kB
build/block-library/blocks/nextpage/editor-rtl.css	395 B
build/block-library/blocks/nextpage/editor.css	395 B
build/block-library/blocks/page-list/editor-rtl.css	401 B
build/block-library/blocks/page-list/editor.css	401 B
build/block-library/blocks/page-list/style-rtl.css	175 B
build/block-library/blocks/page-list/style.css	175 B
build/block-library/blocks/paragraph/editor-rtl.css	235 B
build/block-library/blocks/paragraph/editor.css	235 B
build/block-library/blocks/paragraph/style-rtl.css	335 B
build/block-library/blocks/paragraph/style.css	335 B
build/block-library/blocks/post-author/style-rtl.css	175 B
build/block-library/blocks/post-author/style.css	176 B
build/block-library/blocks/post-comments-form/editor-rtl.css	96 B
build/block-library/blocks/post-comments-form/editor.css	96 B
build/block-library/blocks/post-comments-form/style-rtl.css	508 B
build/block-library/blocks/post-comments-form/style.css	508 B
build/block-library/blocks/post-date/style-rtl.css	61 B
build/block-library/blocks/post-date/style.css	61 B
build/block-library/blocks/post-excerpt/editor-rtl.css	71 B
build/block-library/blocks/post-excerpt/editor.css	71 B
build/block-library/blocks/post-excerpt/style-rtl.css	141 B
build/block-library/blocks/post-excerpt/style.css	141 B
build/block-library/blocks/post-featured-image/editor-rtl.css	588 B
build/block-library/blocks/post-featured-image/editor.css	586 B
build/block-library/blocks/post-featured-image/style-rtl.css	345 B
build/block-library/blocks/post-featured-image/style.css	345 B
build/block-library/blocks/post-navigation-link/style-rtl.css	215 B
build/block-library/blocks/post-navigation-link/style.css	214 B
build/block-library/blocks/post-template/editor-rtl.css	99 B
build/block-library/blocks/post-template/editor.css	98 B
build/block-library/blocks/post-template/style-rtl.css	409 B
build/block-library/blocks/post-template/style.css	408 B
build/block-library/blocks/post-terms/style-rtl.css	96 B
build/block-library/blocks/post-terms/style.css	96 B
build/block-library/blocks/post-time-to-read/style-rtl.css	69 B
build/block-library/blocks/post-time-to-read/style.css	69 B
build/block-library/blocks/post-title/style-rtl.css	100 B
build/block-library/blocks/post-title/style.css	100 B
build/block-library/blocks/preformatted/style-rtl.css	125 B
build/block-library/blocks/preformatted/style.css	125 B
build/block-library/blocks/pullquote/editor-rtl.css	135 B
build/block-library/blocks/pullquote/editor.css	135 B
build/block-library/blocks/pullquote/style-rtl.css	335 B
build/block-library/blocks/pullquote/style.css	335 B
build/block-library/blocks/pullquote/theme-rtl.css	168 B
build/block-library/blocks/pullquote/theme.css	168 B
build/block-library/blocks/query-pagination-numbers/editor-rtl.css	122 B
build/block-library/blocks/query-pagination-numbers/editor.css	121 B
build/block-library/blocks/query-pagination/editor-rtl.css	221 B
build/block-library/blocks/query-pagination/editor.css	211 B
build/block-library/blocks/query-pagination/style-rtl.css	288 B
build/block-library/blocks/query-pagination/style.css	284 B
build/block-library/blocks/query-title/style-rtl.css	63 B
build/block-library/blocks/query-title/style.css	63 B
build/block-library/blocks/query/editor-rtl.css	486 B
build/block-library/blocks/query/editor.css	486 B
build/block-library/blocks/query/style-rtl.css	312 B
build/block-library/blocks/query/style.css	308 B
build/block-library/blocks/query/view.min.js	609 B
build/block-library/blocks/quote/style-rtl.css	222 B
build/block-library/blocks/quote/style.css	222 B
build/block-library/blocks/quote/theme-rtl.css	223 B
build/block-library/blocks/quote/theme.css	226 B
build/block-library/blocks/read-more/style-rtl.css	132 B
build/block-library/blocks/read-more/style.css	132 B
build/block-library/blocks/rss/editor-rtl.css	149 B
build/block-library/blocks/rss/editor.css	149 B
build/block-library/blocks/rss/style-rtl.css	289 B
build/block-library/blocks/rss/style.css	288 B
build/block-library/blocks/search/editor-rtl.css	184 B
build/block-library/blocks/search/editor.css	184 B
build/block-library/blocks/search/style-rtl.css	613 B
build/block-library/blocks/search/style.css	613 B
build/block-library/blocks/search/theme-rtl.css	114 B
build/block-library/blocks/search/theme.css	114 B
build/block-library/blocks/search/view.min.js	471 B
build/block-library/blocks/separator/editor-rtl.css	146 B
build/block-library/blocks/separator/editor.css	146 B
build/block-library/blocks/separator/style-rtl.css	234 B
build/block-library/blocks/separator/style.css	234 B
build/block-library/blocks/separator/theme-rtl.css	194 B
build/block-library/blocks/separator/theme.css	194 B
build/block-library/blocks/shortcode/editor-rtl.css	329 B
build/block-library/blocks/shortcode/editor.css	329 B
build/block-library/blocks/site-logo/editor-rtl.css	760 B
build/block-library/blocks/site-logo/editor.css	760 B
build/block-library/blocks/site-logo/style-rtl.css	204 B
build/block-library/blocks/site-logo/style.css	204 B
build/block-library/blocks/site-tagline/editor-rtl.css	86 B
build/block-library/blocks/site-tagline/editor.css	86 B
build/block-library/blocks/site-title/editor-rtl.css	116 B
build/block-library/blocks/site-title/editor.css	116 B
build/block-library/blocks/site-title/style-rtl.css	57 B
build/block-library/blocks/site-title/style.css	57 B
build/block-library/blocks/social-link/editor-rtl.css	184 B
build/block-library/blocks/social-link/editor.css	184 B
build/block-library/blocks/social-links/editor-rtl.css	682 B
build/block-library/blocks/social-links/editor.css	681 B
build/block-library/blocks/social-links/style-rtl.css	1.45 kB
build/block-library/blocks/social-links/style.css	1.45 kB
build/block-library/blocks/spacer/editor-rtl.css	359 B
build/block-library/blocks/spacer/editor.css	359 B
build/block-library/blocks/spacer/style-rtl.css	48 B
build/block-library/blocks/spacer/style.css	48 B
build/block-library/blocks/table/editor-rtl.css	432 B
build/block-library/blocks/table/editor.css	432 B
build/block-library/blocks/table/style-rtl.css	646 B
build/block-library/blocks/table/style.css	645 B
build/block-library/blocks/table/theme-rtl.css	157 B
build/block-library/blocks/table/theme.css	157 B
build/block-library/blocks/tag-cloud/style-rtl.css	251 B
build/block-library/blocks/tag-cloud/style.css	253 B
build/block-library/blocks/template-part/editor-rtl.css	403 B
build/block-library/blocks/template-part/editor.css	403 B
build/block-library/blocks/template-part/theme-rtl.css	101 B
build/block-library/blocks/template-part/theme.css	101 B
build/block-library/blocks/term-description/style-rtl.css	111 B
build/block-library/blocks/term-description/style.css	111 B
build/block-library/blocks/text-columns/editor-rtl.css	95 B
build/block-library/blocks/text-columns/editor.css	95 B
build/block-library/blocks/text-columns/style-rtl.css	166 B
build/block-library/blocks/text-columns/style.css	166 B
build/block-library/blocks/verse/style-rtl.css	99 B
build/block-library/blocks/verse/style.css	99 B
build/block-library/blocks/video/editor-rtl.css	552 B
build/block-library/blocks/video/editor.css	555 B
build/block-library/blocks/video/style-rtl.css	191 B
build/block-library/blocks/video/style.css	191 B
build/block-library/blocks/video/theme-rtl.css	139 B
build/block-library/blocks/video/theme.css	139 B
build/block-library/classic-rtl.css	179 B
build/block-library/classic.css	179 B
build/block-library/common-rtl.css	1.11 kB
build/block-library/common.css	1.11 kB
build/block-library/editor-elements-rtl.css	75 B
build/block-library/editor-elements.css	75 B
build/block-library/editor-rtl.css	12.4 kB
build/block-library/editor.css	12.4 kB
build/block-library/elements-rtl.css	54 B
build/block-library/elements.css	54 B
build/block-library/reset-rtl.css	472 B
build/block-library/reset.css	472 B
build/block-library/style-rtl.css	14.4 kB
build/block-library/style.css	14.4 kB
build/block-library/theme-rtl.css	700 B
build/block-library/theme.css	705 B
build/block-serialization-default-parser/index.min.js	1.13 kB
build/block-serialization-spec-parser/index.min.js	2.87 kB
build/blocks/index.min.js	51.5 kB
build/commands/index.min.js	15.5 kB
build/commands/style-rtl.css	947 B
build/commands/style.css	942 B
build/components/index.min.js	251 kB
build/components/style-rtl.css	11.9 kB
build/components/style.css	11.9 kB
build/compose/index.min.js	12.7 kB
build/core-commands/index.min.js	2.72 kB
build/core-data/index.min.js	71.7 kB
build/customize-widgets/index.min.js	12 kB
build/customize-widgets/style-rtl.css	1.51 kB
build/customize-widgets/style.css	1.5 kB
build/data-controls/index.min.js	651 B
build/data/index.min.js	8.87 kB
build/date/index.min.js	17.9 kB
build/deprecated/index.min.js	462 B
build/dom-ready/index.min.js	336 B
build/dom/index.min.js	4.68 kB
build/edit-post/classic-rtl.css	571 B
build/edit-post/classic.css	571 B
build/edit-post/index.min.js	35.7 kB
build/edit-post/style-rtl.css	7.88 kB
build/edit-post/style.css	7.88 kB
build/edit-site/index.min.js	206 kB
build/edit-site/style-rtl.css	14.3 kB
build/edit-site/style.css	14.3 kB
build/edit-widgets/index.min.js	17 kB
build/edit-widgets/style-rtl.css	4.85 kB
build/edit-widgets/style.css	4.84 kB
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build/editor/style-rtl.css	3.58 kB
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build/escape-html/index.min.js	548 B
build/format-library/index.min.js	7.82 kB
build/format-library/style-rtl.css	577 B
build/format-library/style.css	577 B
build/hooks/index.min.js	1.57 kB
build/html-entities/index.min.js	454 B
build/i18n/index.min.js	3.61 kB
build/interactivity/index.min.js	11.4 kB
build/is-shallow-equal/index.min.js	535 B
build/keyboard-shortcuts/index.min.js	1.76 kB
build/keycodes/index.min.js	1.9 kB
build/list-reusable-blocks/index.min.js	2.21 kB
build/list-reusable-blocks/style-rtl.css	865 B
build/list-reusable-blocks/style.css	865 B
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build/notices/index.min.js	964 B
build/nux/index.min.js	2.01 kB
build/nux/style-rtl.css	775 B
build/nux/style.css	771 B
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build/patterns/style-rtl.css	657 B
build/patterns/style.css	657 B
build/plugins/index.min.js	1.81 kB
build/preferences-persistence/index.min.js	1.85 kB
build/preferences/index.min.js	1.26 kB
build/primitives/index.min.js	994 B
build/priority-queue/index.min.js	1.52 kB
build/private-apis/index.min.js	988 B
build/react-i18n/index.min.js	631 B
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build/react-refresh-runtime/index.min.js	6.78 kB
build/redux-routine/index.min.js	2.71 kB
build/reusable-blocks/index.min.js	2.73 kB
build/reusable-blocks/style-rtl.css	265 B
build/reusable-blocks/style.css	265 B
build/rich-text/index.min.js	10.2 kB
build/router/index.min.js	1.79 kB
build/server-side-render/index.min.js	1.96 kB
build/shortcode/index.min.js	1.4 kB
build/style-engine/index.min.js	1.98 kB
build/token-list/index.min.js	587 B
build/url/index.min.js	3.83 kB
build/vendors/inert-polyfill.min.js	2.48 kB
build/vendors/react-dom.min.js	41.8 kB
build/vendors/react.min.js	4.02 kB
build/viewport/index.min.js	967 B
build/warning/index.min.js	259 B
build/widgets/index.min.js	7.18 kB
build/widgets/style-rtl.css	1.18 kB
build/widgets/style.css	1.18 kB
build/wordcount/index.min.js	1.03 kB

_{compressed-size-action}

[github-actions]

Flaky tests detected in d790006.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/6591925264
📝 Reported issues:

• [Flaky Test] can be created from multiselection and converted back to regular blocks #55506 in specs/editor/various/pattern-blocks.test.js
• [Flaky Test] can be inserted after refresh #55509 in specs/editor/various/pattern-blocks.test.js
• [Flaky Test] should allow a block with styles to be converted to a reusable block #44332 in specs/editor/various/pattern-blocks.test.js
• [Flaky Test] should partially select with shift + click (@webkit) #53524 in /test/e2e/specs/editor/various/multi-block-selection.spec.js