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Block API: Block Context: Assign block global for render_callback #21868

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merged 2 commits into from
Apr 26, 2020

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@aduth aduth commented Apr 24, 2020

Previously: #21467
Temporary resolution for: #21797

This pull request seeks to revert changes to the PHP render_callback signature introduced in #21467. In order to provide block context, it now assigns a $block global with the current block instance immediately before a block type's render_callback is invoked. This restores an initial implementation of #21467, where there are some justifications for use of a global in the original comment (strikethrough text) and #21467 (comment).

Testing Instructions:

Repeat testing instructions from #21467. Optionally, it was made easier to test in later development of #21467, using the "Gutenberg Test Block Context" plugin included in the default development environment, via the associated "Test Context Provider" block.

There are also a number of automated tests to verify:

npm run test-e2e packages/e2e-tests/specs/editor/plugins/block-context.test.js
npm run test-unit-php "/var/www/src/wp-content/plugins/gutenberg/phpunit/class-wp-block-test.php"
npm run test-unit-php "/var/www/src/wp-content/plugins/gutenberg/phpunit/class-block-context-test.php"

(If you have trouble getting PHP unit tests running, try referring to guidance at #21467 (comment))

@aduth aduth added the [Feature] Block API API that allows to express the block paradigm. label Apr 24, 2020
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Size Change: 0 B

Total Size: 835 kB

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aduth commented Apr 24, 2020

In 20b4fe6, I renamed the global from $block to $_experimental_block to reflect an experimental state. I also removed the relevant PHP documentation. There is too much difference of opinion in #21797 and too little time to be able to settle on a resolution before Monday's Gutenberg 8.0 RC release.

@aduth aduth force-pushed the update/block-context-global branch from 638bfcb to 30e4399 Compare April 26, 2020 21:05
@aduth aduth merged commit be48c9f into master Apr 26, 2020
@aduth aduth deleted the update/block-context-global branch April 26, 2020 21:26
marecar3 pushed a commit that referenced this pull request Apr 27, 2020
…1868)

* Framework: WP_Block: Assign block global for render_callback

* Block API: Mark block global as experimental
@ellatrix ellatrix mentioned this pull request Jun 16, 2020
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