Automattic\WooCommerce\Blocks\BlockTypes

ProductCollection::add_rendering_callback() │ private │ WC 1.0

Attach the init directive to Product Collection block to call the onRender callback.

Method of the class: ProductCollection{}

No Hooks.

Return

String. Updated HTML content.

Usage

// private - for code of main (parent) class only
$result = $this->add_rendering_callback( $block_content, $collection );
$block_content(string) (required)
The HTML content of the block.
$collection(string) (required)
Collection type.

ProductCollection::add_rendering_callback() code WC 9.3.3

woocommerce/src/Blocks/BlockTypes/ProductCollection.php 
private function add_rendering_callback( $block_content, $collection ) {
	$p = new \WP_HTML_Tag_Processor( $block_content );

	// Add `data-init to the product collection block so we trigger JS event on render.
	if ( $this->is_next_tag_product_collection( $p ) ) {
		$p->set_attribute(
			'data-wc-init',
			'callbacks.onRender'
		);
		if ( $collection ) {
			$p->set_attribute(
				'data-wc-context',
				wp_json_encode(
					array(
						'collection' => $collection,
					),
					JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP
				)
			);
		}
	}

	return $p->get_updated_html();
}