WP_Interactivity_API::data_wp_bind_processor( WP_Interactivity_API_Directives_Processor $p, string $mode )

Source

private function data_wp_bind_processor( WP_Interactivity_API_Directives_Processor $p, string $mode ) {
	if ( 'enter' === $mode ) {
		$entries = $this->get_directive_entries( $p, 'bind' );
		foreach ( $entries as $entry ) {
			if ( empty( $entry['suffix'] ) || null !== $entry['unique_id'] ) {
					return;
			}

			$result = $this->evaluate( $entry );

			if (
				null !== $result &&
				(
					false !== $result ||
					( strlen( $entry['suffix'] ) > 5 && '-' === $entry['suffix'][4] )
				)
			) {
				/*
				 * If the result of the evaluation is a boolean and the attribute is
				 * `aria-` or `data-, convert it to a string "true" or "false". It
				 * follows the exact same logic as Preact because it needs to
				 * replicate what Preact will later do in the client:
				 * https://github.com/preactjs/preact/blob/ea49f7a0f9d1ff2c98c0bdd66aa0cbc583055246/src/diff/props.js#L131C24-L136
				 */
				if (
					is_bool( $result ) &&
					( strlen( $entry['suffix'] ) > 5 && '-' === $entry['suffix'][4] )
				) {
					$result = $result ? 'true' : 'false';
				}
				$p->set_attribute( $entry['suffix'], $result );
			} else {
				$p->remove_attribute( $entry['suffix'] );
			}
		}
	}
}

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