Button block: use early return to optimize save.js.

[ZebulanStanphill]

Description

Quick and simple optimization. See #29717 (comment).

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows the accessibility standards.
• I've tested my changes with keyboard and screen readers.
• My code has proper inline documentation.
• I've included developer documentation if appropriate.
• I've updated all React Native files affected by any refactorings/renamings in this PR.

[aristath]

I love PRs like this one... Simple and improves the code 👍
The change makes perfect sense ❤️

[github-actions]

Size Change: +8 B (0%)

Total Size: 1.4 MB

Filename	Size	Change
build/block-library/index.js	146 kB	+8 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
build/a11y/index.js	1.14 kB	0 B
build/annotations/index.js	3.78 kB	0 B
build/api-fetch/index.js	3.4 kB	0 B
build/autop/index.js	2.82 kB	0 B
build/blob/index.js	664 B	0 B
build/block-directory/index.js	8.63 kB	0 B
build/block-directory/style-rtl.css	1 kB	0 B
build/block-directory/style.css	1.01 kB	0 B
build/block-editor/index.js	125 kB	0 B
build/block-editor/style-rtl.css	12.1 kB	0 B
build/block-editor/style.css	12.1 kB	0 B
build/block-library/blocks/archives/editor-rtl.css	61 B	0 B
build/block-library/blocks/archives/editor.css	60 B	0 B
build/block-library/blocks/audio/editor-rtl.css	58 B	0 B
build/block-library/blocks/audio/editor.css	58 B	0 B
build/block-library/blocks/audio/style-rtl.css	112 B	0 B
build/block-library/blocks/audio/style.css	112 B	0 B
build/block-library/blocks/block/editor-rtl.css	161 B	0 B
build/block-library/blocks/block/editor.css	161 B	0 B
build/block-library/blocks/button/editor-rtl.css	475 B	0 B
build/block-library/blocks/button/editor.css	474 B	0 B
build/block-library/blocks/button/style-rtl.css	479 B	0 B
build/block-library/blocks/button/style.css	479 B	0 B
build/block-library/blocks/buttons/editor-rtl.css	315 B	0 B
build/block-library/blocks/buttons/editor.css	315 B	0 B
build/block-library/blocks/buttons/style-rtl.css	364 B	0 B
build/block-library/blocks/buttons/style.css	363 B	0 B
build/block-library/blocks/calendar/style-rtl.css	208 B	0 B
build/block-library/blocks/calendar/style.css	208 B	0 B
build/block-library/blocks/categories/editor-rtl.css	84 B	0 B
build/block-library/blocks/categories/editor.css	83 B	0 B
build/block-library/blocks/categories/style-rtl.css	79 B	0 B
build/block-library/blocks/categories/style.css	79 B	0 B
build/block-library/blocks/code/style-rtl.css	90 B	0 B
build/block-library/blocks/code/style.css	90 B	0 B
build/block-library/blocks/columns/editor-rtl.css	190 B	0 B
build/block-library/blocks/columns/editor.css	190 B	0 B
build/block-library/blocks/columns/style-rtl.css	421 B	0 B
build/block-library/blocks/columns/style.css	421 B	0 B
build/block-library/blocks/cover/editor-rtl.css	390 B	0 B
build/block-library/blocks/cover/editor.css	389 B	0 B
build/block-library/blocks/cover/style-rtl.css	1.24 kB	0 B
build/block-library/blocks/cover/style.css	1.24 kB	0 B
build/block-library/blocks/embed/editor-rtl.css	486 B	0 B
build/block-library/blocks/embed/editor.css	486 B	0 B
build/block-library/blocks/embed/style-rtl.css	401 B	0 B
build/block-library/blocks/embed/style.css	400 B	0 B
build/block-library/blocks/file/editor-rtl.css	199 B	0 B
build/block-library/blocks/file/editor.css	198 B	0 B
build/block-library/blocks/file/style-rtl.css	248 B	0 B
build/block-library/blocks/file/style.css	248 B	0 B
build/block-library/blocks/freeform/editor-rtl.css	2.45 kB	0 B
build/block-library/blocks/freeform/editor.css	2.45 kB	0 B
build/block-library/blocks/gallery/editor-rtl.css	689 B	0 B
build/block-library/blocks/gallery/editor.css	690 B	0 B
build/block-library/blocks/gallery/style-rtl.css	1.08 kB	0 B
build/block-library/blocks/gallery/style.css	1.07 kB	0 B
build/block-library/blocks/group/editor-rtl.css	318 B	0 B
build/block-library/blocks/group/editor.css	317 B	0 B
build/block-library/blocks/group/style-rtl.css	57 B	0 B
build/block-library/blocks/group/style.css	57 B	0 B
build/block-library/blocks/heading/editor-rtl.css	129 B	0 B
build/block-library/blocks/heading/editor.css	129 B	0 B
build/block-library/blocks/heading/style-rtl.css	76 B	0 B
build/block-library/blocks/heading/style.css	76 B	0 B
build/block-library/blocks/html/editor-rtl.css	281 B	0 B
build/block-library/blocks/html/editor.css	281 B	0 B
build/block-library/blocks/image/editor-rtl.css	717 B	0 B
build/block-library/blocks/image/editor.css	716 B	0 B
build/block-library/blocks/image/style-rtl.css	476 B	0 B
build/block-library/blocks/image/style.css	478 B	0 B
build/block-library/blocks/latest-comments/editor-rtl.css	159 B	0 B
build/block-library/blocks/latest-comments/editor.css	158 B	0 B
build/block-library/blocks/latest-comments/style-rtl.css	269 B	0 B
build/block-library/blocks/latest-comments/style.css	269 B	0 B
build/block-library/blocks/latest-posts/editor-rtl.css	137 B	0 B
build/block-library/blocks/latest-posts/editor.css	137 B	0 B
build/block-library/blocks/latest-posts/style-rtl.css	523 B	0 B
build/block-library/blocks/latest-posts/style.css	522 B	0 B
build/block-library/blocks/list/editor-rtl.css	65 B	0 B
build/block-library/blocks/list/editor.css	65 B	0 B
build/block-library/blocks/list/style-rtl.css	63 B	0 B
build/block-library/blocks/list/style.css	63 B	0 B
build/block-library/blocks/media-text/editor-rtl.css	191 B	0 B
build/block-library/blocks/media-text/editor.css	191 B	0 B
build/block-library/blocks/media-text/style-rtl.css	535 B	0 B
build/block-library/blocks/media-text/style.css	532 B	0 B
build/block-library/blocks/more/editor-rtl.css	434 B	0 B
build/block-library/blocks/more/editor.css	434 B	0 B
build/block-library/blocks/navigation-link/editor-rtl.css	584 B	0 B
build/block-library/blocks/navigation-link/editor.css	586 B	0 B
build/block-library/blocks/navigation-link/style-rtl.css	694 B	0 B
build/block-library/blocks/navigation-link/style.css	691 B	0 B
build/block-library/blocks/navigation/editor-rtl.css	1.08 kB	0 B
build/block-library/blocks/navigation/editor.css	1.08 kB	0 B
build/block-library/blocks/navigation/style-rtl.css	227 B	0 B
build/block-library/blocks/navigation/style.css	228 B	0 B
build/block-library/blocks/nextpage/editor-rtl.css	395 B	0 B
build/block-library/blocks/nextpage/editor.css	395 B	0 B
build/block-library/blocks/page-list/editor-rtl.css	215 B	0 B
build/block-library/blocks/page-list/editor.css	215 B	0 B
build/block-library/blocks/page-list/style-rtl.css	527 B	0 B
build/block-library/blocks/page-list/style.css	526 B	0 B
build/block-library/blocks/paragraph/editor-rtl.css	157 B	0 B
build/block-library/blocks/paragraph/editor.css	157 B	0 B
build/block-library/blocks/paragraph/style-rtl.css	288 B	0 B
build/block-library/blocks/paragraph/style.css	289 B	0 B
build/block-library/blocks/post-author/editor-rtl.css	209 B	0 B
build/block-library/blocks/post-author/editor.css	209 B	0 B
build/block-library/blocks/post-author/style-rtl.css	183 B	0 B
build/block-library/blocks/post-author/style.css	184 B	0 B
build/block-library/blocks/post-comments-form/style-rtl.css	250 B	0 B
build/block-library/blocks/post-comments-form/style.css	250 B	0 B
build/block-library/blocks/post-content/editor-rtl.css	139 B	0 B
build/block-library/blocks/post-content/editor.css	139 B	0 B
build/block-library/blocks/post-excerpt/editor-rtl.css	73 B	0 B
build/block-library/blocks/post-excerpt/editor.css	73 B	0 B
build/block-library/blocks/post-featured-image/editor-rtl.css	338 B	0 B
build/block-library/blocks/post-featured-image/editor.css	338 B	0 B
build/block-library/blocks/post-featured-image/style-rtl.css	100 B	0 B
build/block-library/blocks/post-featured-image/style.css	100 B	0 B
build/block-library/blocks/preformatted/style-rtl.css	63 B	0 B
build/block-library/blocks/preformatted/style.css	63 B	0 B
build/block-library/blocks/pullquote/editor-rtl.css	183 B	0 B
build/block-library/blocks/pullquote/editor.css	183 B	0 B
build/block-library/blocks/pullquote/style-rtl.css	318 B	0 B
build/block-library/blocks/pullquote/style.css	318 B	0 B
build/block-library/blocks/query-loop/editor-rtl.css	90 B	0 B
build/block-library/blocks/query-loop/editor.css	89 B	0 B
build/block-library/blocks/query-loop/style-rtl.css	315 B	0 B
build/block-library/blocks/query-loop/style.css	317 B	0 B
build/block-library/blocks/query-pagination-numbers/editor-rtl.css	122 B	0 B
build/block-library/blocks/query-pagination-numbers/editor.css	121 B	0 B
build/block-library/blocks/query-pagination/editor-rtl.css	270 B	0 B
build/block-library/blocks/query-pagination/editor.css	262 B	0 B
build/block-library/blocks/query-pagination/style-rtl.css	168 B	0 B
build/block-library/blocks/query-pagination/style.css	168 B	0 B
build/block-library/blocks/query/editor-rtl.css	814 B	0 B
build/block-library/blocks/query/editor.css	812 B	0 B
build/block-library/blocks/quote/editor-rtl.css	61 B	0 B
build/block-library/blocks/quote/editor.css	61 B	0 B
build/block-library/blocks/quote/style-rtl.css	169 B	0 B
build/block-library/blocks/quote/style.css	169 B	0 B
build/block-library/blocks/rss/editor-rtl.css	201 B	0 B
build/block-library/blocks/rss/editor.css	202 B	0 B
build/block-library/blocks/rss/style-rtl.css	290 B	0 B
build/block-library/blocks/rss/style.css	290 B	0 B
build/block-library/blocks/search/editor-rtl.css	165 B	0 B
build/block-library/blocks/search/editor.css	165 B	0 B
build/block-library/blocks/search/style-rtl.css	342 B	0 B
build/block-library/blocks/search/style.css	344 B	0 B
build/block-library/blocks/separator/editor-rtl.css	99 B	0 B
build/block-library/blocks/separator/editor.css	99 B	0 B
build/block-library/blocks/separator/style-rtl.css	236 B	0 B
build/block-library/blocks/separator/style.css	236 B	0 B
build/block-library/blocks/shortcode/editor-rtl.css	504 B	0 B
build/block-library/blocks/shortcode/editor.css	504 B	0 B
build/block-library/blocks/site-logo/editor-rtl.css	201 B	0 B
build/block-library/blocks/site-logo/editor.css	201 B	0 B
build/block-library/blocks/site-logo/style-rtl.css	115 B	0 B
build/block-library/blocks/site-logo/style.css	115 B	0 B
build/block-library/blocks/social-link/editor-rtl.css	164 B	0 B
build/block-library/blocks/social-link/editor.css	165 B	0 B
build/block-library/blocks/social-links/editor-rtl.css	696 B	0 B
build/block-library/blocks/social-links/editor.css	696 B	0 B
build/block-library/blocks/social-links/style-rtl.css	1.32 kB	0 B
build/block-library/blocks/social-links/style.css	1.32 kB	0 B
build/block-library/blocks/spacer/editor-rtl.css	317 B	0 B
build/block-library/blocks/spacer/editor.css	317 B	0 B
build/block-library/blocks/spacer/style-rtl.css	48 B	0 B
build/block-library/blocks/spacer/style.css	48 B	0 B
build/block-library/blocks/table/editor-rtl.css	478 B	0 B
build/block-library/blocks/table/editor.css	478 B	0 B
build/block-library/blocks/table/style-rtl.css	402 B	0 B
build/block-library/blocks/table/style.css	402 B	0 B
build/block-library/blocks/tag-cloud/editor-rtl.css	118 B	0 B
build/block-library/blocks/tag-cloud/editor.css	118 B	0 B
build/block-library/blocks/tag-cloud/style-rtl.css	94 B	0 B
build/block-library/blocks/tag-cloud/style.css	94 B	0 B
build/block-library/blocks/template-part/editor-rtl.css	557 B	0 B
build/block-library/blocks/template-part/editor.css	556 B	0 B
build/block-library/blocks/term-description/editor-rtl.css	90 B	0 B
build/block-library/blocks/term-description/editor.css	90 B	0 B
build/block-library/blocks/text-columns/editor-rtl.css	95 B	0 B
build/block-library/blocks/text-columns/editor.css	95 B	0 B
build/block-library/blocks/text-columns/style-rtl.css	166 B	0 B
build/block-library/blocks/text-columns/style.css	166 B	0 B
build/block-library/blocks/verse/editor-rtl.css	62 B	0 B
build/block-library/blocks/verse/editor.css	62 B	0 B
build/block-library/blocks/verse/style-rtl.css	87 B	0 B
build/block-library/blocks/verse/style.css	87 B	0 B
build/block-library/blocks/video/editor-rtl.css	504 B	0 B
build/block-library/blocks/video/editor.css	503 B	0 B
build/block-library/blocks/video/style-rtl.css	187 B	0 B
build/block-library/blocks/video/style.css	187 B	0 B
build/block-library/common-rtl.css	1.1 kB	0 B
build/block-library/common.css	1.1 kB	0 B
build/block-library/editor-rtl.css	9.38 kB	0 B
build/block-library/editor.css	9.38 kB	0 B
build/block-library/style-rtl.css	8.84 kB	0 B
build/block-library/style.css	8.85 kB	0 B
build/block-library/theme-rtl.css	700 B	0 B
build/block-library/theme.css	701 B	0 B
build/block-serialization-default-parser/index.js	1.87 kB	0 B
build/block-serialization-spec-parser/index.js	3.06 kB	0 B
build/blocks/index.js	48.3 kB	0 B
build/components/index.js	283 kB	0 B
build/components/style-rtl.css	15.6 kB	0 B
build/components/style.css	15.6 kB	0 B
build/compose/index.js	11.1 kB	0 B
build/core-data/index.js	16.7 kB	0 B
build/customize-widgets/index.js	3.96 kB	0 B
build/customize-widgets/style-rtl.css	168 B	0 B
build/customize-widgets/style.css	168 B	0 B
build/data-controls/index.js	829 B	0 B
build/data/index.js	8.87 kB	0 B
build/date/index.js	31.8 kB	0 B
build/deprecated/index.js	769 B	0 B
build/dom-ready/index.js	576 B	0 B
build/dom/index.js	4.93 kB	0 B
build/edit-navigation/index.js	11.9 kB	0 B
build/edit-navigation/style-rtl.css	1.31 kB	0 B
build/edit-navigation/style.css	1.31 kB	0 B
build/edit-post/index.js	306 kB	0 B
build/edit-post/style-rtl.css	6.81 kB	0 B
build/edit-post/style.css	6.8 kB	0 B
build/edit-site/index.js	27.3 kB	0 B
build/edit-site/style-rtl.css	4.51 kB	0 B
build/edit-site/style.css	4.5 kB	0 B
build/edit-widgets/index.js	20.1 kB	0 B
build/edit-widgets/style-rtl.css	3.2 kB	0 B
build/edit-widgets/style.css	3.2 kB	0 B
build/editor/editor-styles-rtl.css	347 B	0 B
build/editor/editor-styles.css	347 B	0 B
build/editor/index.js	41.8 kB	0 B
build/editor/style-rtl.css	3.9 kB	0 B
build/editor/style.css	3.9 kB	0 B
build/element/index.js	4.61 kB	0 B
build/escape-html/index.js	735 B	0 B
build/format-library/index.js	6.75 kB	0 B
build/format-library/style-rtl.css	637 B	0 B
build/format-library/style.css	639 B	0 B
build/hooks/index.js	2.28 kB	0 B
build/html-entities/index.js	623 B	0 B
build/i18n/index.js	4.01 kB	0 B
build/is-shallow-equal/index.js	698 B	0 B
build/keyboard-shortcuts/index.js	2.53 kB	0 B
build/keycodes/index.js	1.95 kB	0 B
build/list-reusable-blocks/index.js	3.15 kB	0 B
build/list-reusable-blocks/style-rtl.css	629 B	0 B
build/list-reusable-blocks/style.css	628 B	0 B
build/media-utils/index.js	5.34 kB	0 B
build/notices/index.js	1.85 kB	0 B
build/nux/index.js	3.4 kB	0 B
build/nux/style-rtl.css	731 B	0 B
build/nux/style.css	727 B	0 B
build/plugins/index.js	2.9 kB	0 B
build/primitives/index.js	1.42 kB	0 B
build/priority-queue/index.js	791 B	0 B
build/react-i18n/index.js	1.46 kB	0 B
build/redux-routine/index.js	2.84 kB	0 B
build/reusable-blocks/index.js	3.78 kB	0 B
build/reusable-blocks/style-rtl.css	225 B	0 B
build/reusable-blocks/style.css	225 B	0 B
build/rich-text/index.js	13.4 kB	0 B
build/server-side-render/index.js	2.82 kB	0 B
build/shortcode/index.js	1.7 kB	0 B
build/token-list/index.js	1.27 kB	0 B
build/url/index.js	3.02 kB	0 B
build/viewport/index.js	1.86 kB	0 B
build/warning/index.js	1.14 kB	0 B
build/wordcount/index.js	1.22 kB	0 B

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