themes-wordpress/spearhead/functions.php

<?php
/**
 * Child Theme Functions and definitions
 *
 * @link https://developer.wordpress.org/themes/basics/theme-functions/
 *
 * @package WordPress
 * @subpackage Spearhead
 * @since 1.0.0
 */

if ( ! function_exists( 'spearhead_setup' ) ) :
	/**
	 * Sets up theme defaults and registers support for various WordPress features.
	 *
	 * Note that this function is hooked into the after_setup_theme hook, which
	 * runs before the init hook. The init hook is too late for some features, such
	 * as indicating support for post thumbnails.
	 */
	function spearhead_setup() {

		// Add support for editor styles.
		add_theme_support( 'editor-styles' );
		add_theme_support( 'dark-editor-style' );

		// Enqueue editor styles.
		add_editor_style(
			array(
				spearhead_fonts_url(),
				'variables.css',
				'style.css',
			)
		);

		// Add child theme editor font sizes to match Sass-map variables in `_config-child-theme-deep.scss`.
		add_theme_support(
			'editor-font-sizes',
			array(
				array(
					'name'      => __( 'Tiny', 'spearhead' ),
					'shortName' => __( 'XS', 'spearhead' ),
					'size'      => 14,
					'slug'      => 'xs',
				),
				array(
					'name'      => __( 'Small', 'spearhead' ),
					'shortName' => __( 'S', 'spearhead' ),
					'size'      => 16,
					'slug'      => 'small',
				),
				array(
					'name'      => __( 'Medium', 'spearhead' ),
					'shortName' => __( 'M', 'spearhead' ),
					'size'      => 20,
					'slug'      => 'medium',
				),
				array(
					'name'      => __( 'Large', 'spearhead' ),
					'shortName' => __( 'L', 'spearhead' ),
					'size'      => 24,
					'slug'      => 'large',
				),
				array(
					'name'      => __( 'XL', 'spearhead' ),
					'shortName' => __( 'XL', 'spearhead' ),
					'size'      => 36,
					'slug'      => 'xl',
				),
				array(
					'name'      => __( 'Huge', 'spearhead' ),
					'shortName' => __( 'XXL', 'spearhead' ),
					'size'      => 48,
					'slug'      => 'huge',
				),
			)
		);

		// Add child theme editor color pallete to match Sass-map variables in `_config-child-theme-deep.scss`.
		add_theme_support(
			'editor-color-palette',
			array(
				array(
					'name'  => __( 'Primary', 'spearhead' ),
					'slug'  => 'primary',
					'color' => '#DB0042',
				),
				array(
					'name'  => __( 'Foreground', 'spearhead' ),
					'slug'  => 'foreground',
					'color' => '#000000',
				),
				array(
					'name'  => __( 'Background', 'spearhead' ),
					'slug'  => 'background',
					'color' => '#FFFFFF',
				),
			)
		);
		remove_filter( 'excerpt_more', 'seedlet_continue_reading_link' );
		remove_filter( 'the_content_more_link', 'seedlet_continue_reading_link' );
	}
endif;
add_action( 'after_setup_theme', 'spearhead_setup', 12 );

/**
 * Filter the content_width in pixels, based on the child-theme's design and stylesheet.
 */
function spearhead_content_width() {
	return 782;
}
add_filter( 'seedlet_content_width', 'spearhead_content_width' );

/**
 * Enqueue scripts and styles.
 */
function spearhead_scripts() {
	// dequeue parent styles
	wp_dequeue_style( 'seedlet-style-navigation' );

	// enqueue Google fonts, if necessary
	wp_enqueue_style( 'spearhead-fonts', spearhead_fonts_url(), array(), null );

	// Child theme variables
	wp_enqueue_style( 'spearhead-variables-style', get_stylesheet_directory_uri() . '/variables.css', array(), wp_get_theme()->get( 'Version' ) );

	// enqueue child styles
	wp_enqueue_style( 'spearhead-style', get_stylesheet_uri(), array(), wp_get_theme()->get( 'Version' ) );
	wp_enqueue_style( 'spearhead-navigation', get_stylesheet_directory_uri() . '/navigation.css', array(), wp_get_theme()->get( 'Version' ) );

	// enqueue child RTL styles
	wp_style_add_data( 'spearhead-style', 'rtl', 'replace' );
	wp_style_add_data( 'spearhead-navigation', 'rtl', 'replace' );
}
add_action( 'wp_enqueue_scripts', 'spearhead_scripts', 11 );

/**
 * Enqueue Custom Cover Block Styles and Scripts
 */
function spearhead_block_extends() {
	// Block Tweaks
	wp_enqueue_script(
		'spearhead-block-extends',
		get_stylesheet_directory_uri() . '/assets/js/extend-blocks.js',
		array( 'wp-blocks', 'wp-edit-post' ) // wp-edit-post is added to avoid a race condition when trying to unregister a style variation
	);
}
add_action( 'enqueue_block_assets', 'spearhead_block_extends' );

/**
 * Add Google webfonts
 *
 * @return value
 */
function spearhead_fonts_url() {
	$fonts_url = '';

	$font_families   = array();
	$font_families[] = 'family=Libre+Franklin:ital,wght@0,400;0,500;0,700;1,400;1,500;1,700';
	$font_families[] = 'family=IBM+Plex+Mono:wght@400;700';
	$font_families[] = 'display=swap';

	// Make a single request for the theme fonts.
	$fonts_url = 'https://fonts.googleapis.com/css2?' . implode( '&', $font_families );

	return $fonts_url;
}

/**
 * Load extras
 */
function seedlet_entry_meta_header() {
	// Hide author, post date, category and tag text for pages.
	if ( 'post' === get_post_type() ) {
		// Posted on
		seedlet_posted_on();
	}
}
// require get_stylesheet_directory() . '/inc/custom-header.php';

/**
 * Block Patterns.
 */
require get_stylesheet_directory() . '/inc/block-patterns.php';

add_filter(
	'body_class',
	function( $classes ) {
		$stickies = get_option( 'sticky_posts' );

		if ( count( $stickies ) && is_home() ) {
			return array_merge( $classes, array( 'has-sticky-post' ) );
		}

		return $classes;
	}
);

/**
 * Create the continue reading link.
 */
function spearhead_continue_reading_link( $more ) {
	if ( ! is_admin() ) {
		$more_link = spearhead_more_link();

		return '<p>' . $more_link . '</p>';
	}
}

/**
 * Create a more link for use in both "Read more" and excerpt contexts.
 */
function spearhead_more_link() {
	$more_text = sprintf(
		/* translators: %s: Name of current post. */
		wp_kses( __( 'More', 'spearhead' ), array( 'span' => array( 'class' => array() ) ) ),
		the_title( '<span class="screen-reader-text">"', '"</span>', false )
	);

	return '<a class="more-link" href="' . esc_url( get_permalink() ) . '">' . $more_text . ' ' . seedlet_get_icon_svg( 'dropdown' ) . '</a>';
}

/**
 * Use this instead of the default WordPress ellipsis which is […].
 */
function spearhead_excerpt_more() {
	if ( is_admin() ) {
		return $more;
	}
	return '&hellip;';
}

function spearhead_the_excerpt( $excerpt ) {

	$audio_block = '';
	if ( has_block( 'audio' ) ) {
		$post   = get_post();
		$blocks = parse_blocks( $post->post_content );
		foreach ( $blocks as $block ) {
			if ( 'core/audio' === $block['blockName'] ) {
				$audio_block .= '<div class="excerpt-audio-block">' . wp_kses_post( $block['innerHTML'] ) . '</div>';
				break;
			}
		}
	}

	// For cases where the post excerpt is empty
	// (but the post might have content)
	if ( 0 === strlen( $excerpt ) ) {
		return $excerpt . $audio_block;
	}

	return $excerpt . '<span class="excerpt-more-link">' . spearhead_more_link() . '</span>' . $audio_block;
}

/**
 * Overwrite Seedlet's post navigation template tag.
 */
if ( ! function_exists( 'seedlet_the_post_navigation' ) ) :
	function seedlet_the_post_navigation() {
		return null;
	}
endif;

// Filter the excerpt more link
add_filter( 'excerpt_more', 'spearhead_excerpt_more' );

// Filter the content more link
add_filter( 'the_content_more_link', 'spearhead_continue_reading_link' );

// Filter the excerpt
add_filter( 'get_the_excerpt', 'spearhead_the_excerpt' );

/*
 * Post footer meta
 */

if ( ! function_exists( 'seedlet_entry_meta_footer' ) ) :
	/**
	 * Prints HTML with meta information for the categories, tags and comments.
	 */
	function seedlet_entry_meta_footer() {

		seedlet_posted_on();

		// Edit post link.
		edit_post_link(
			sprintf(
				wp_kses(
					/* translators: %s: Name of current post. Only visible to screen readers. */
					__( 'Edit <span class="screen-reader-text">%s</span>', 'spearhead' ),
					array(
						'span' => array(
							'class' => array(),
						),
					)
				),
				get_the_title()
			),
			'<span class="edit-link">',
			'</span>'
		);
	}
endif;

if ( ! function_exists( 'seedlet_posted_on' ) ) :
	/**
	 * Prints HTML with meta information for the current post-date/time.
	 */
	function seedlet_posted_on() {
		$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
		if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
			$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
		}

		$time_string = sprintf(
			$time_string,
			esc_attr( get_the_date( DATE_W3C ) ),
			esc_html( get_the_date( 'M d Y' ) ),
			esc_attr( get_the_modified_date( DATE_W3C ) ),
			esc_html( get_the_modified_date() )
		);

		printf(
			'<span class="posted-on"><a href="%1$s" rel="bookmark">%2$s</a></span>',
			esc_url( get_permalink() ),
			$time_string
		);
	}
endif;