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Add automated core blocks documentation #36183

Merged
merged 7 commits into from
Dec 20, 2021
Merged

Add automated core blocks documentation #36183

merged 7 commits into from
Dec 20, 2021

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mkaz
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@mkaz mkaz commented Nov 3, 2021

Description

Adds a script to generate core block documentation reading all the blocks in the packages/block-library and using their block.json properties to generate the list.

Done:

  • Improve supports and attributes nesting values.
  • Hook it up to docs:build command

How has this been tested?

  • Run script using: node bin/api-docs/gen-block-lib-list.js
  • Confirm results write to: docs/reference-guides/core-blocks.md

Screenshots

Types of changes

  • New script in bin/api-docs/gen-block-lib-list.js to generate core-blocks document
  • Lists all core blocks with description, category, supports, attributes

@mkaz mkaz added the [Type] Developer Documentation Documentation for developers label Nov 3, 2021
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Size Change: 0 B

Total Size: 1.13 MB

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@Soean
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Soean commented Nov 3, 2021

Fixes #6190
Fixes #24422

@mkaz
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mkaz commented Nov 6, 2021

@oandregal I think this is all ready.

I added the process to the npm run docs:build command by adding one more && node ./bin/api-docs/gen-block-lib-list.js it is not the worst package.json command but we may want to think about a controller script to run other scripts to generate API docs if we add much more, which I hope we will.

I'd like to see the block.json and theme.json documentation get generated from the schema definitions (#36278 and #36279) so we'll probably need to address when those go in.

@Soean
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Soean commented Nov 8, 2021

Maybe we should add the values of the supports keys. For example the Custom HTML Block has this supports values which are missing:

customClassName - false
className - false
html - false

Should we add the type (string, boolean, number, ...) of the attributes?

It would increase the readability if the attributes and supports values are rendered as a list.

@mkaz
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mkaz commented Nov 9, 2021

@Soean yeh, I was wondering if we should include the types and values. I tried this format because rendering supports and attributes as a list would make each entry and the entire page too long and difficult to navigate.

What do you think of each block on its own page and an index page to link them all? Then the details page for each block can include more data and info.

@mkaz mkaz force-pushed the docs/gen-blocks-list branch 2 times, most recently from 442e96f to e6b43f5 Compare November 21, 2021 14:49
@oandregal
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oandregal commented Nov 23, 2021

Hey, for color supports there's one tricky thing: text & background are enabled by default (if there's a color key in supports) unless the block opts-out explicitly.

@mkaz mkaz force-pushed the docs/gen-blocks-list branch 4 times, most recently from 0246430 to 737461f Compare December 18, 2021 16:07
@mkaz
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mkaz commented Dec 18, 2021

Good catch @oandregal - this also highlighted that other disabled supports were not shown, for example html is enabled by default and disabled in some blocks.

I tweaked the formatting and added the disabled values as strike outs, so it shows that they are explicitly disabled.

You can see the new docs page rendered here.

@oandregal
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I was thinking that background and text (color) should be listed in the block supports when the block has a color key and does not disable them explicitly. For example, in the paragraph block we should show that it supports background, text, and link for color (at the moment, we only show link).

@mkaz
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mkaz commented Dec 20, 2021

@oandregal Got it.

I updated the script to augment supports with the default colors if specified. 👍

Latest rendered file can be viewed here.

@gziolo
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gziolo commented Dec 20, 2021

I tweaked the formatting and added the disabled values as strike outs, so it shows that they are explicitly disabled.

It's a bit confusing when you look at the document without the context of this PR. Should we maybe include an * with a legend at the bottom of the document?

- Creates a new script to generate core-blocks document
- Lists all core blocks with supports, attributes
- Add to build process
Adds a function to augment the color supports if specified to include
background and text, if not disabled.

Plus a few minor fixes to support Windows.
@mkaz
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mkaz commented Dec 20, 2021

Good suggestion @gziolo, I added a callout at the top to explain the strikethrough. 👍

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It looks like a good first step. The produced output is helpful enough to expose it to the Block Editor Handbook for initial feedback.

As a follow-up, it would be nice to create a simple unit test that uses some test fixtures to validate the output produced by readBlockJSON. This way, we will get a nice way to speed up iterations on the documentation's presentation layer.

bin/api-docs/gen-block-lib-list.js Outdated Show resolved Hide resolved
@mkaz mkaz merged commit 816e716 into trunk Dec 20, 2021
@mkaz mkaz deleted the docs/gen-blocks-list branch December 20, 2021 21:26
@github-actions github-actions bot added this to the Gutenberg 12.3 milestone Dec 20, 2021
@Soean
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Soean commented Dec 21, 2021

@gziolo
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gziolo commented Dec 21, 2021

Now that it is available in the Block Editor Handbook, it might be great to include a new field in block.json:

{
    "since": "WordPress 5.9.0"
}

or

{
    "since": "Gutenberg 10.7 (experimental)"
}

This would a similar role to $schema, but instead being for development purposes, it would exist solely for documentation purposes in WordPress core.

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