Support new block collection functionality in WordPress 5.4

[richtabor]

Description

WordPress 5.4 adds support for block collections; i.e. groups of blocks from a plugin. This allows for plugins like ours to add our blocks in the proper categories within the block library - while also still providing a section of the library just for our blocks.

The one addition I added was renaming the "CoBlocks Galleries" category to simply "Galleries".

There's a PR to simplify the inserter categories in Gutenberg (WordPress/gutenberg#19279) , which when implemented we could simply assign our gallery blocks within the upcoming "Media" category.

Screenshots

Types of changes

New feature (non-breaking change which adds functionality). Although this change should be merged when we're ready for WordPress 5.4. < WP 5.4 will work fine, but registerBlockCollection is not available - so while the "CoBlocks" category is missing, the blocks are found within their respective new categories.

Checklist:

• My code is tested
• My code follows accessibility standards
• I've added proper labels to this pull request

[simison]

Although this change should be merged when we're ready for WordPress 5.4. < WP 5.4 will work fine, but registerBlockCollection is not available - so while the "CoBlocks" category is missing, the blocks are found within their respective new categories.

You could look into conditionally registering into collection vs category depending on feature availability. Example here:

Automattic/jetpack#14454

[cypress]

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Test summary

105 • 0 • 0 • 0

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Run details

Project	CoBlocks
Status	Passed
Commit	6e63957
Started	Mar 3, 2020 10:25 PM
Ended	Mar 3, 2020 10:30 PM
Duration	04:30 💡
OS	Linux Debian - 10.3
Browser	Chrome 80

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[AnthonyLedesma]

@jrtashjian Ready for review.
Tested with
WP 5.3.2, WP 5.4beta, and the Gutenberg plugin.

[simison]

You got highlighted! ;-)

https://make.wordpress.org/core/2020/02/27/block-collections/

[jrtashjian]

Looks good!