the_block_template_skip_link()

Source

function the_block_template_skip_link() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_block_template_skip_link()' );

	global $_wp_current_template_content;

	// Early exit if not a block theme.
	if ( ! current_theme_supports( 'block-templates' ) ) {
		return;
	}

	// Early exit if not a block template.
	if ( ! $_wp_current_template_content ) {
		return;
	}
	?>

	<?php
	/**
	 * Print the skip-link styles.
	 */
	?>
	<style id="skip-link-styles">
		.skip-link.screen-reader-text {
			border: 0;
			clip: rect(1px,1px,1px,1px);
			clip-path: inset(50%);
			height: 1px;
			margin: -1px;
			overflow: hidden;
			padding: 0;
			position: absolute !important;
			width: 1px;
			word-wrap: normal !important;
		}

		.skip-link.screen-reader-text:focus {
			background-color: #eee;
			clip: auto !important;
			clip-path: none;
			color: #444;
			display: block;
			font-size: 1em;
			height: auto;
			left: 5px;
			line-height: normal;
			padding: 15px 23px 14px;
			text-decoration: none;
			top: 5px;
			width: auto;
			z-index: 100000;
		}
	</style>
	<?php
	/**
	 * Print the skip-link script.
	 */
	?>
	<script>
	( function() {
		var skipLinkTarget = document.querySelector( 'main' ),
			sibling,
			skipLinkTargetID,
			skipLink;

		// Early exit if a skip-link target can't be located.
		if ( ! skipLinkTarget ) {
			return;
		}

		/*
		 * Get the site wrapper.
		 * The skip-link will be injected in the beginning of it.
		 */
		sibling = document.querySelector( '.wp-site-blocks' );

		// Early exit if the root element was not found.
		if ( ! sibling ) {
			return;
		}

		// Get the skip-link target's ID, and generate one if it doesn't exist.
		skipLinkTargetID = skipLinkTarget.id;
		if ( ! skipLinkTargetID ) {
			skipLinkTargetID = 'wp--skip-link--target';
			skipLinkTarget.id = skipLinkTargetID;
		}

		// Create the skip link.
		skipLink = document.createElement( 'a' );
		skipLink.classList.add( 'skip-link', 'screen-reader-text' );
		skipLink.href = '#' + skipLinkTargetID;
		skipLink.innerHTML = '<?php /* translators: Hidden accessibility text. */ esc_html_e( 'Skip to content' ); ?>';

		// Inject the skip link.
		sibling.parentElement.insertBefore( skipLink, sibling );
	}() );
	</script>
	<?php
}

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