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Split core blocks assets loading #25220

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merged 45 commits into from
Dec 11, 2020
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@aristath aristath commented Sep 10, 2020

Description

Only load core-blocks assets when the blocks are used.

This is a continuation of #22754 while researching ways to more efficiently load assets for rendered blocks. Also related to #5445

What this PR does:

  • Splits style.scss to multiple stylesheets, one per-block.
  • Adds style and editorStyle in all block.json files that needed it
  • Adds checks for a split-block-styles theme-support and reverts Release: WordPress 5.5 beta 1 finishing touches #23708 if the theme-support is added.
  • Registers styles for all core blocks

How to test:

Enable an FSE theme. Styles will automatically load separately for each block that exists on a page in the frontend. (I am testing with https://github.com/aristath/q)

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • 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.

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github-actions bot commented Sep 10, 2020

Size Change: +604 B (0%)

Total Size: 1.28 MB

Filename Size Change
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build/block-library/style.css 8.37 kB +4 B (0%)
build/edit-widgets/index.js 26.3 kB +24 B (0%)
ℹ️ View Unchanged
Filename Size Change
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compressed-size-action

@aristath aristath added [Type] Performance Related to performance efforts [Feature] Themes Questions or issues with incorporating or styling blocks in a theme. labels Sep 11, 2020
@aristath aristath merged commit 37163dc into master Dec 11, 2020
@aristath aristath deleted the try/split-block-assets-loading branch December 11, 2020 06:07
@github-actions github-actions bot added this to the Gutenberg 9.6 milestone Dec 11, 2020
scruffian pushed a commit that referenced this pull request Dec 15, 2020
* Add preformatted block styles and font settings.

* Add font size fallback.

* Remove unnecessary overflow property and use `pre-wrap` instead.

This is a more elegant solution compared to the previous one, which relied on overflow.

* Remove editor.scss

* Remove CSS custom property.

This is the theme's job. For more information, see #27672

* Add stylesheet to `block.json` file

This is added due to new requirement implemented in #25220

Co-authored-by: Ari Stathopoulos <[email protected]>

* Add preformatted block to theme-json.md specs.

* Fix preformatted block support information on theme-json.md specs.

Co-authored-by: Ari Stathopoulos <[email protected]>
@Tropicalista
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Is correct to say that this does not work for JS files?

I mean, if I create a frontend js file and register to block, this will be loaded site wide. Is this true?

@gziolo
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gziolo commented Dec 18, 2020

With this PR wp_enqueue_registered_block_scripts_and_styles is no longer called on the front-end which means that CSS and JS would be added only for rendered blocks. I'm not 100% only because core blocks don't ship code on the front end. I'm sure @aristath will confirm it 😄

@aristath
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I'm not 100% only because core blocks don't ship code on the front end. I'm sure @aristath will confirm it smile

I can confirm. 😄

Core blocks don't enqueue any JS on the frontend so nothing breaks there. For 3rd-party blocks the JS & CSS get enqueued only when the block is used on a page. I confirmed that this works as expected using the WooCommerce "All Reviews" block. When it's present on a page its frontend-script loads, and it doesn't load on pages that don't contain it 👍

Since core blocks don't currently ship any frontend JS, an implementation for that was not added in this PR to avoid adding unused code. It's easy to add it once we need it.

nylen pushed a commit to nylen/wordpress-develop-svn that referenced this pull request Dec 21, 2020
…ore blocks

Related Gutenberg PR: WordPress/gutenberg#25220.

It aligns with the latest changes added by aristath to the Gutenberg project. As part of styles splitting for core blocks, there was a special pattern introduced for how style handles are named. Ideally, we would apply it to all blocks but there might be some backward compatibility considerations so I left the handling for non-core blocks unchanged.

Props aristath.
See #50328.



git-svn-id: https://develop.svn.wordpress.org/trunk@49850 602fd350-edb4-49c9-b593-d223f7449a82
pento pushed a commit to WordPress/wordpress-develop that referenced this pull request Dec 21, 2020
…ore blocks

Related Gutenberg PR: WordPress/gutenberg#25220.

It aligns with the latest changes added by aristath to the Gutenberg project. As part of styles splitting for core blocks, there was a special pattern introduced for how style handles are named. Ideally, we would apply it to all blocks but there might be some backward compatibility considerations so I left the handling for non-core blocks unchanged.

Props aristath.
See #50328.



git-svn-id: https://develop.svn.wordpress.org/trunk@49850 602fd350-edb4-49c9-b593-d223f7449a82
markjaquith pushed a commit to markjaquith/WordPress that referenced this pull request Dec 21, 2020
…ore blocks

Related Gutenberg PR: WordPress/gutenberg#25220.

It aligns with the latest changes added by aristath to the Gutenberg project. As part of styles splitting for core blocks, there was a special pattern introduced for how style handles are named. Ideally, we would apply it to all blocks but there might be some backward compatibility considerations so I left the handling for non-core blocks unchanged.

Props aristath.
See #50328.


Built from https://develop.svn.wordpress.org/trunk@49850


git-svn-id: http://core.svn.wordpress.org/trunk@49569 1a063a9b-81f0-0310-95a4-ce76da25c4cd
gMagicScott pushed a commit to gMagicScott/core.wordpress-mirror that referenced this pull request Dec 21, 2020
…ore blocks

Related Gutenberg PR: WordPress/gutenberg#25220.

It aligns with the latest changes added by aristath to the Gutenberg project. As part of styles splitting for core blocks, there was a special pattern introduced for how style handles are named. Ideally, we would apply it to all blocks but there might be some backward compatibility considerations so I left the handling for non-core blocks unchanged.

Props aristath.
See #50328.


Built from https://develop.svn.wordpress.org/trunk@49850


git-svn-id: https://core.svn.wordpress.org/trunk@49569 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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