POC: Block Hooks API: Cart and Checkout Integration

[tjcafferkey]

Note: This code should probably be moved to a more relevant part of the codebase. It's currently here just to prove a concept.

Add filter to the_content to allow the hooked blocks algorithm to auto-insert blocks into the cart and checkout pages.

• Show hooked blocks on the frontend
• Show hooked blocks within the editor

Submission Review Guidelines:

• I have followed the WooCommerce Contributing Guidelines and the WordPress Coding Standards.
• I have checked to ensure there aren't other open Pull Requests for the same update/change.
• I have reviewed my code for security best practices.
• Following the above guidelines will result in quick merges and clear and detailed feedback when appropriate.

Changes proposed in this Pull Request:

Closes # .

How to test the changes in this Pull Request:

Using the WooCommerce Testing Instructions Guide, include your detailed testing instructions:

1. Add the below code to your store
2. Check the hooked block renders frontend
3. Check the hooked block renders editor side

function hooked_loginout_into_cart( $hooked_blocks, $position, $anchor_block, $context ) {
	if ( $anchor_block === 'woocommerce/cart' && $position === 'after' ) {
		$hooked_blocks[] = 'core/loginout';
	}

	return $hooked_blocks;
}

add_filter( 'hooked_block_types', 'hooked_loginout_into_cart', 10, 4 );

function hooked_loginout_into_checkout( $hooked_blocks, $position, $anchor_block, $context ) {
	if ( $anchor_block === 'woocommerce/checkout-contact-information-block' && $position === 'after' ) {
		$hooked_blocks[] = 'core/loginout';
	}

	return $hooked_blocks;
}

add_filter( 'hooked_block_types', 'hooked_loginout_into_checkout', 10, 4 );

Changelog entry

• Automatically create a changelog entry from the details below.

Significance

• Patch
• Minor
• Major

Type

• Fix - Fixes an existing bug
• Add - Adds functionality
• Update - Update existing functionality
• Dev - Development related task
• Tweak - A minor adjustment to the codebase
• Performance - Address performance issues
• Enhancement - Improvement to existing functionality

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