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Improve the performance of the BlockPreview component#21574

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youknowriad merged 1 commit intomasterfrom
fix/block-preview-performance
Apr 14, 2020
Merged

Improve the performance of the BlockPreview component#21574
youknowriad merged 1 commit intomasterfrom
fix/block-preview-performance

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closes #21567

This PR fixes a performance issue on the BlockPreview component where it was being rerendered too often causing lags.

The issue was an old trick we were using with to recompute the preview, but that trick was only needed with the old implementation of the component.

Testing instructions

  • Type on a button block with the sidebar open
  • It shouldn't lag.

@youknowriad youknowriad added the [Type] Performance Related to performance efforts label Apr 14, 2020
@youknowriad youknowriad requested a review from ellatrix as a code owner April 14, 2020 10:00
@youknowriad youknowriad self-assigned this Apr 14, 2020
@youknowriad youknowriad requested a review from oandregal April 14, 2020 10:00
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Size Change: -30 B (0%)

Total Size: 839 kB

Filename Size Change
build/block-editor/index.js 104 kB -30 B (0%)
ℹ️ View Unchanged
Filename Size Change
build/a11y/index.js 1.02 kB 0 B
build/annotations/index.js 3.62 kB 0 B
build/api-fetch/index.js 4.01 kB 0 B
build/autop/index.js 2.82 kB 0 B
build/blob/index.js 620 B 0 B
build/block-directory/index.js 6.24 kB 0 B
build/block-directory/style-rtl.css 760 B 0 B
build/block-directory/style.css 760 B 0 B
build/block-editor/style-rtl.css 10.2 kB 0 B
build/block-editor/style.css 10.2 kB 0 B
build/block-library/editor-rtl.css 7.11 kB 0 B
build/block-library/editor.css 7.11 kB 0 B
build/block-library/index.js 112 kB 0 B
build/block-library/style-rtl.css 7.15 kB 0 B
build/block-library/style.css 7.16 kB 0 B
build/block-library/theme-rtl.css 683 B 0 B
build/block-library/theme.css 685 B 0 B
build/block-serialization-default-parser/index.js 1.88 kB 0 B
build/block-serialization-spec-parser/index.js 3.1 kB 0 B
build/blocks/index.js 57.7 kB 0 B
build/components/index.js 198 kB 0 B
build/components/style-rtl.css 16.6 kB 0 B
build/components/style.css 16.6 kB 0 B
build/compose/index.js 6.66 kB 0 B
build/core-data/index.js 11.1 kB 0 B
build/data-controls/index.js 1.25 kB 0 B
build/data/index.js 8.43 kB 0 B
build/date/index.js 5.47 kB 0 B
build/deprecated/index.js 772 B 0 B
build/dom-ready/index.js 569 B 0 B
build/dom/index.js 3.1 kB 0 B
build/edit-navigation/index.js 3.1 kB 0 B
build/edit-navigation/style-rtl.css 279 B 0 B
build/edit-navigation/style.css 280 B 0 B
build/edit-post/index.js 27.8 kB 0 B
build/edit-post/style-rtl.css 12.3 kB 0 B
build/edit-post/style.css 12.3 kB 0 B
build/edit-site/index.js 10.4 kB 0 B
build/edit-site/style-rtl.css 5.02 kB 0 B
build/edit-site/style.css 5.02 kB 0 B
build/edit-widgets/index.js 7.53 kB 0 B
build/edit-widgets/style-rtl.css 4.65 kB 0 B
build/edit-widgets/style.css 4.64 kB 0 B
build/editor/editor-styles-rtl.css 428 B 0 B
build/editor/editor-styles.css 431 B 0 B
build/editor/index.js 43.6 kB 0 B
build/editor/style-rtl.css 3.49 kB 0 B
build/editor/style.css 3.49 kB 0 B
build/element/index.js 4.64 kB 0 B
build/escape-html/index.js 733 B 0 B
build/format-library/index.js 7.29 kB 0 B
build/format-library/style-rtl.css 502 B 0 B
build/format-library/style.css 502 B 0 B
build/hooks/index.js 2.13 kB 0 B
build/html-entities/index.js 622 B 0 B
build/i18n/index.js 3.56 kB 0 B
build/is-shallow-equal/index.js 711 B 0 B
build/keyboard-shortcuts/index.js 2.51 kB 0 B
build/keycodes/index.js 1.91 kB 0 B
build/list-reusable-blocks/index.js 3.12 kB 0 B
build/list-reusable-blocks/style-rtl.css 226 B 0 B
build/list-reusable-blocks/style.css 226 B 0 B
build/media-utils/index.js 5.28 kB 0 B
build/notices/index.js 1.79 kB 0 B
build/nux/index.js 3.4 kB 0 B
build/nux/style-rtl.css 616 B 0 B
build/nux/style.css 613 B 0 B
build/plugins/index.js 2.67 kB 0 B
build/primitives/index.js 1.49 kB 0 B
build/priority-queue/index.js 789 B 0 B
build/redux-routine/index.js 2.84 kB 0 B
build/rich-text/index.js 14.8 kB 0 B
build/server-side-render/index.js 2.67 kB 0 B
build/shortcode/index.js 1.7 kB 0 B
build/token-list/index.js 1.28 kB 0 B
build/url/index.js 4.01 kB 0 B
build/viewport/index.js 1.84 kB 0 B
build/warning/index.js 1.14 kB 0 B
build/wordcount/index.js 1.17 kB 0 B

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@youknowriad youknowriad merged commit 76010c3 into master Apr 14, 2020
@youknowriad youknowriad deleted the fix/block-preview-performance branch April 14, 2020 12:22
@github-actions github-actions bot added this to the Gutenberg 8.0 milestone Apr 14, 2020
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Noticeable lag using the Button block

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