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Block API: light block edit/save symmetry #25644

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merged 4 commits into from
Sep 30, 2020
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@ellatrix ellatrix commented Sep 25, 2020

Description

Replaces the earlier attempt #20721.
Things have changed now with the replacement of the block component by a hook in #23034.

This PR mirrors useBlockProps for light blocks in the save component, much like we do now for InnerBlocks and RichText. The benefit of this is that we could automatically add blocks classes with this component (if not opting out), making it seem less like a magical things that gets added during serialisation.

Another benefit is that a block could potentially render something around the actual block (such as an alignment wrapper), which is possible right now in the edit function, but not in the save function.

This must be done before stabilising the new (light) block API, because we're using the supports flag to adjust serialisation.
It creates a bit of consistency in the API, the only difference being that for edit it's a hook adding behaviours and for save it's a simple function useBlockProps.save to insert (filtered) attributes on the block wrapper.

How has this been tested?

Screenshots

Types of changes

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.

@ellatrix ellatrix added the [Feature] Block API API that allows to express the block paradigm. label Sep 25, 2020
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github-actions bot commented Sep 25, 2020

Size Change: +190 B (0%)

Total Size: 1.17 MB

Filename Size Change
build/block-editor/index.js 128 kB +17 B (0%)
build/block-library/index.js 135 kB +108 B (0%)
build/blocks/index.js 47.5 kB +65 B (0%)
ℹ️ View Unchanged
Filename Size Change
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@@ -2,13 +2,14 @@
* WordPress dependencies
*/
import { RichText } from '@wordpress/block-editor';
import { getBlockProps } from '@wordpress/blocks';
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I actually wonder about the best place to export this, maybe useBlockProps.save()?

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That's possible too. I don't mind either way. I'll update it :)

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This looks much nicer actually! :)

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I'm not sure how I feel about exposing it through useBlockProps.save(). It feels a little weird to me, but I also don't outright dislike it. I'm okay with it either way. I suppose one benefit is that it more closely ties it to useBlockProps.

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The reasoning for proposing this is that later we might have useInnerBlocks.save() , useRichText.save()

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Yes, I like this pattern. Good idea!

@ZebulanStanphill ZebulanStanphill added the [Type] New API New API to be used by plugin developers or package users. label Sep 25, 2020
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I like this personally, i'd like more opinions here @mcsf @mtias @jorgefilipecosta

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Having more opinions is better but this is looking good for me.

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I'll let it sit over the weekend. Would be nice to ship early Monday so we can stabilise it for the release.

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mcsf commented Sep 28, 2020

Nice work here.

There are some aspects that I like:

What I don't like as much:

  • the occasional gotchas in block-library — e.g. how in RichText-based blocks we traded Richtext.Content tagName={} for a nesting of TagName > RichText.Content;
  • not knowing for sure that we don't introduce issues by introducing the coupling between blockType.save and wp.blocks.getSaveElement — e.g. are there blocks out there that consume save within edit, or do some other fancy footwork that could break?

All in all, I lean more towards yes than no, but it feels a little like a step in the dark.

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  • the occasional gotchas in block-library — e.g. how in RichText-based blocks we traded Richtext.Content tagName={} for a nesting of TagName > RichText.Content;

It doesn't really matter, you can do both. You can also pass the props to RichText.Content.
The goal is to also have useRichTextProps and useRichTextProps.save.

  • not knowing for sure that we don't introduce issues by introducing the coupling between blockType.save and wp.blocks.getSaveElement — e.g. are there blocks out there that consume save within edit, or do some other fancy footwork that could break?

Similarly, edit is coupled to the block-editor. It will fail in other contexts.

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  • e.g. are there blocks out there that consume save within edit, or do some other fancy footwork that could break?

Nothing would break, since this API is opt-in.

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Let's do it. :)

@ellatrix ellatrix merged commit 6604831 into master Sep 30, 2020
@ellatrix ellatrix deleted the try/block-api-symmetry branch September 30, 2020 12:22
@github-actions github-actions bot added this to the Gutenberg 9.2 milestone Sep 30, 2020
@mcsf mcsf mentioned this pull request Oct 14, 2020
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4 participants