<?php

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/**

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* Functions and definitions

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*

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* @link https://developer.wordpress.org/themes/basics/theme-functions/

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*

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* @package WordPress

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* @subpackage Twenty_Twenty_One

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* @since Twenty Twenty-One 1.0

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*/

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// This theme requires WordPress 5.3 or later.

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if ( version_compare( $GLOBALS['wp_version'], '5.3', '<' ) ) {

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require get_template_directory() . '/inc/back-compat.php';

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}

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if ( ! function_exists( 'twenty_twenty_one_setup' ) ) {

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/**

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* Sets up theme defaults and registers support for various WordPress features.

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*

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* Note that this function is hooked into the after_setup_theme hook, which

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* runs before the init hook. The init hook is too late for some features, such

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* as indicating support for post thumbnails.

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*

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* @since Twenty Twenty-One 1.0

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*

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* @return void

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*/

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function twenty_twenty_one_setup() {

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/*

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* Make theme available for translation.

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* Translations can be filed in the /languages/ directory.

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* If you're building a theme based on Twenty Twenty-One, use a find and replace

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* to change 'twentytwentyone' to the name of your theme in all the template files.

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*/

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load_theme_textdomain( 'twentytwentyone', get_template_directory() . '/languages' );

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// Add default posts and comments RSS feed links to head.

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add_theme_support( 'automatic-feed-links' );

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/*

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* Let WordPress manage the document title.

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* This theme does not use a hard-coded <title> tag in the document head,

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* WordPress will provide it for us.

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*/

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add_theme_support( 'title-tag' );

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/**

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* Add post-formats support.

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*/

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add_theme_support(

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'post-formats',

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array(

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'link',

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'aside',

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'gallery',

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'image',

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'quote',

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'status',

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'video',

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'audio',

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'chat',

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)

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);

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/*

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* Enable support for Post Thumbnails on posts and pages.

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*

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* @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/

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*/

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add_theme_support( 'post-thumbnails' );

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set_post_thumbnail_size( 1568, 9999 );

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register_nav_menus(

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array(

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'primary' => esc_html__( 'Primary menu', 'twentytwentyone' ),

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'footer' => __( 'Secondary menu', 'twentytwentyone' ),

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)

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);

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/*

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* Switch default core markup for search form, comment form, and comments

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* to output valid HTML5.

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*/

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add_theme_support(

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'html5',

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array(

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'comment-form',

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'comment-list',

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'gallery',

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'caption',

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'style',

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'script',

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'navigation-widgets',

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)

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);

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/**

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* Add support for core custom logo.

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*

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* @link https://codex.wordpress.org/Theme_Logo

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*/

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$logo_width = 300;

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$logo_height = 100;

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add_theme_support(

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'custom-logo',

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array(

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'height' => $logo_height,

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'width' => $logo_width,

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'flex-width' => true,

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'flex-height' => true,

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'unlink-homepage-logo' => true,

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)

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);

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// Add theme support for selective refresh for widgets.

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add_theme_support( 'customize-selective-refresh-widgets' );

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// Add support for Block Styles.

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add_theme_support( 'wp-block-styles' );

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// Add support for full and wide align images.

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add_theme_support( 'align-wide' );

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// Add support for editor styles.

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add_theme_support( 'editor-styles' );

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$background_color = get_theme_mod( 'background_color', 'D1E4DD' );

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if ( 127 > Twenty_Twenty_One_Custom_Colors::get_relative_luminance_from_hex( $background_color ) ) {

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add_theme_support( 'dark-editor-style' );

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}

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$editor_stylesheet_path = './assets/css/style-editor.css';

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// Note, the is_IE global variable is defined by WordPress and is used

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// to detect if the current browser is internet explorer.

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global $is_IE;

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if ( $is_IE ) {

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$editor_stylesheet_path = './assets/css/ie-editor.css';

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}

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// Enqueue editor styles.

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add_editor_style( $editor_stylesheet_path );

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// Add custom editor font sizes.

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add_theme_support(

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'editor-font-sizes',

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array(

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array(

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'name' => esc_html__( 'Extra small', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'XS', 'Font size', 'twentytwentyone' ),

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'size' => 16,

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'slug' => 'extra-small',

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),

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array(

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'name' => esc_html__( 'Small', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'S', 'Font size', 'twentytwentyone' ),

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'size' => 18,

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'slug' => 'small',

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),

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array(

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'name' => esc_html__( 'Normal', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'M', 'Font size', 'twentytwentyone' ),

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'size' => 20,

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'slug' => 'normal',

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),

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array(

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'name' => esc_html__( 'Large', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'L', 'Font size', 'twentytwentyone' ),

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'size' => 24,

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'slug' => 'large',

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),

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array(

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'name' => esc_html__( 'Extra large', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'XL', 'Font size', 'twentytwentyone' ),

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'size' => 40,

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'slug' => 'extra-large',

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),

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array(

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'name' => esc_html__( 'Huge', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'XXL', 'Font size', 'twentytwentyone' ),

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'size' => 96,

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'slug' => 'huge',

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),

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array(

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'name' => esc_html__( 'Gigantic', 'twentytwentyone' ),

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'shortName' => esc_html_x( 'XXXL', 'Font size', 'twentytwentyone' ),

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'size' => 144,

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'slug' => 'gigantic',

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),

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)

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);

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// Custom background color.

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add_theme_support(

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'custom-background',

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array(

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'default-color' => 'd1e4dd',

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)

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);

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// Editor color palette.

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$black = '#000000';

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$dark_gray = '#28303D';

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$gray = '#39414D';

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$green = '#D1E4DD';

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$blue = '#D1DFE4';

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$purple = '#D1D1E4';

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$red = '#E4D1D1';

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$orange = '#E4DAD1';

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$yellow = '#EEEADD';

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$white = '#FFFFFF';

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add_theme_support(

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'editor-color-palette',

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array(

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array(

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'name' => esc_html__( 'Black', 'twentytwentyone' ),

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'slug' => 'black',

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'color' => $black,

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),

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array(

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'name' => esc_html__( 'Dark gray', 'twentytwentyone' ),

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'slug' => 'dark-gray',

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'color' => $dark_gray,

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),

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array(

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'name' => esc_html__( 'Gray', 'twentytwentyone' ),

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'slug' => 'gray',

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'color' => $gray,

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),

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array(

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'name' => esc_html__( 'Green', 'twentytwentyone' ),

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'slug' => 'green',

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'color' => $green,

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),

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array(

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'name' => esc_html__( 'Blue', 'twentytwentyone' ),

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'slug' => 'blue',

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'color' => $blue,

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),

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array(

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'name' => esc_html__( 'Purple', 'twentytwentyone' ),

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'slug' => 'purple',

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'color' => $purple,

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),

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array(

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'name' => esc_html__( 'Red', 'twentytwentyone' ),

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'slug' => 'red',

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'color' => $red,

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),

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array(

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'name' => esc_html__( 'Orange', 'twentytwentyone' ),

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'slug' => 'orange',

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'color' => $orange,

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),

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array(

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'name' => esc_html__( 'Yellow', 'twentytwentyone' ),

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'slug' => 'yellow',

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'color' => $yellow,

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),

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array(

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'name' => esc_html__( 'White', 'twentytwentyone' ),

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'slug' => 'white',

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'color' => $white,

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),

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)

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);

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add_theme_support(

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'editor-gradient-presets',

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array(

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array(

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'name' => esc_html__( 'Purple to yellow', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $purple . ' 0%, ' . $yellow . ' 100%)',

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'slug' => 'purple-to-yellow',

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),

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array(

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'name' => esc_html__( 'Yellow to purple', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $yellow . ' 0%, ' . $purple . ' 100%)',

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'slug' => 'yellow-to-purple',

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),

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array(

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'name' => esc_html__( 'Green to yellow', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $green . ' 0%, ' . $yellow . ' 100%)',

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'slug' => 'green-to-yellow',

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),

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array(

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'name' => esc_html__( 'Yellow to green', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $yellow . ' 0%, ' . $green . ' 100%)',

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'slug' => 'yellow-to-green',

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),

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array(

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'name' => esc_html__( 'Red to yellow', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $red . ' 0%, ' . $yellow . ' 100%)',

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'slug' => 'red-to-yellow',

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),

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array(

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'name' => esc_html__( 'Yellow to red', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $yellow . ' 0%, ' . $red . ' 100%)',

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'slug' => 'yellow-to-red',

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),

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array(

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'name' => esc_html__( 'Purple to red', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $purple . ' 0%, ' . $red . ' 100%)',

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'slug' => 'purple-to-red',

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),

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array(

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'name' => esc_html__( 'Red to purple', 'twentytwentyone' ),

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'gradient' => 'linear-gradient(160deg, ' . $red . ' 0%, ' . $purple . ' 100%)',

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'slug' => 'red-to-purple',

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),

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)

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);

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/*

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* Adds starter content to highlight the theme on fresh sites.

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* This is done conditionally to avoid loading the starter content on every

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* page load, as it is a one-off operation only needed once in the customizer.

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*/

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if ( is_customize_preview() ) {

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require get_template_directory() . '/inc/starter-content.php';

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add_theme_support( 'starter-content', twenty_twenty_one_get_starter_content() );

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}

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// Add support for responsive embedded content.

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add_theme_support( 'responsive-embeds' );

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// Add support for custom line height controls.

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add_theme_support( 'custom-line-height' );

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// Add support for experimental link color control.

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add_theme_support( 'experimental-link-color' );

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// Add support for experimental cover block spacing.

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add_theme_support( 'custom-spacing' );

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// Add support for custom units.

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// This was removed in WordPress 5.6 but is still required to properly support WP 5.5.

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add_theme_support( 'custom-units' );

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}

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}

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add_action( 'after_setup_theme', 'twenty_twenty_one_setup' );

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/**

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* Register widget area.

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*

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* @since Twenty Twenty-One 1.0

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*

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* @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar

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*

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* @return void

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*/

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function twenty_twenty_one_widgets_init() {

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register_sidebar(

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array(

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'name' => esc_html__( 'Footer', 'twentytwentyone' ),

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'id' => 'sidebar-1',

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'description' => esc_html__( 'Add widgets here to appear in your footer.', 'twentytwentyone' ),

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'before_widget' => '<section id="%1$s" class="widget %2$s">',

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'after_widget' => '</section>',

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'before_title' => '<h2 class="widget-title">',

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'after_title' => '</h2>',

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)

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);

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}

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add_action( 'widgets_init', 'twenty_twenty_one_widgets_init' );

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/**

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* Set the content width in pixels, based on the theme's design and stylesheet.

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*

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* Priority 0 to make it available to lower priority callbacks.

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*

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* @since Twenty Twenty-One 1.0

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*

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* @global int $content_width Content width.

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*

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* @return void

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*/

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function twenty_twenty_one_content_width() {

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// This variable is intended to be overruled from themes.

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// Open WPCS issue: {@link https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/issues/1043}.

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// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound

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$GLOBALS['content_width'] = apply_filters( 'twenty_twenty_one_content_width', 750 );

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}

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add_action( 'after_setup_theme', 'twenty_twenty_one_content_width', 0 );

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/**

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* Enqueue scripts and styles.

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*

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* @since Twenty Twenty-One 1.0

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*

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* @return void

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*/

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function twenty_twenty_one_scripts() {

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// Note, the is_IE global variable is defined by WordPress and is used

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// to detect if the current browser is internet explorer.

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global $is_IE, $wp_scripts;

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if ( $is_IE ) {

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// If IE 11 or below, use a flattened stylesheet with static values replacing CSS Variables.

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wp_enqueue_style( 'twenty-twenty-one-style', get_template_directory_uri() . '/assets/css/ie.css', array(), wp_get_theme()->get( 'Version' ) );

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} else {

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// If not IE, use the standard stylesheet.

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wp_enqueue_style( 'twenty-twenty-one-style', get_template_directory_uri() . '/style.css', array(), wp_get_theme()->get( 'Version' ) );

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}

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// RTL styles.

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wp_style_add_data( 'twenty-twenty-one-style', 'rtl', 'replace' );

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// Print styles.

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wp_enqueue_style( 'twenty-twenty-one-print-style', get_template_directory_uri() . '/assets/css/print.css', array(), wp_get_theme()->get( 'Version' ), 'print' );

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// Threaded comment reply styles.

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if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {

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wp_enqueue_script( 'comment-reply' );

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}

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// Register the IE11 polyfill file.

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wp_register_script(

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'twenty-twenty-one-ie11-polyfills-asset',

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get_template_directory_uri() . '/assets/js/polyfills.js',

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array(),

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wp_get_theme()->get( 'Version' ),

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true

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);

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// Register the IE11 polyfill loader.

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wp_register_script(

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'twenty-twenty-one-ie11-polyfills',

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null,

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array(),

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wp_get_theme()->get( 'Version' ),

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true

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);

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wp_add_inline_script(

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'twenty-twenty-one-ie11-polyfills',

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wp_get_script_polyfill(

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$wp_scripts,

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array(

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'Element.prototype.matches && Element.prototype.closest && window.NodeList && NodeList.prototype.forEach' => 'twenty-twenty-one-ie11-polyfills-asset',

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)

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)

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);

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// Main navigation scripts.

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if ( has_nav_menu( 'primary' ) ) {

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wp_enqueue_script(

[447] Fix | Delete

'twenty-twenty-one-primary-navigation-script',

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get_template_directory_uri() . '/assets/js/primary-navigation.js',

[449] Fix | Delete

array( 'twenty-twenty-one-ie11-polyfills' ),

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wp_get_theme()->get( 'Version' ),

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true

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);

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}

[454] Fix | Delete

[455] Fix | Delete

// Responsive embeds script.

[456] Fix | Delete

wp_enqueue_script(

[457] Fix | Delete

'twenty-twenty-one-responsive-embeds-script',

[458] Fix | Delete

get_template_directory_uri() . '/assets/js/responsive-embeds.js',

[459] Fix | Delete

array( 'twenty-twenty-one-ie11-polyfills' ),

[460] Fix | Delete

wp_get_theme()->get( 'Version' ),

[461] Fix | Delete

true

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);

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}

[464] Fix | Delete

add_action( 'wp_enqueue_scripts', 'twenty_twenty_one_scripts' );

[465] Fix | Delete

[466] Fix | Delete

/**

[467] Fix | Delete

* Enqueue block editor script.

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*

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* @since Twenty Twenty-One 1.0

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*

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* @return void

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*/

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function twentytwentyone_block_editor_script() {

[474] Fix | Delete

[475] Fix | Delete

wp_enqueue_script( 'twentytwentyone-editor', get_theme_file_uri( '/assets/js/editor.js' ), array( 'wp-blocks', 'wp-dom' ), wp_get_theme()->get( 'Version' ), true );

[476] Fix | Delete

}

[477] Fix | Delete

[478] Fix | Delete

add_action( 'enqueue_block_editor_assets', 'twentytwentyone_block_editor_script' );

[479] Fix | Delete

[480] Fix | Delete

/**

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* Fix skip link focus in IE11.

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*

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* This does not enqueue the script because it is tiny and because it is only for IE11,

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* thus it does not warrant having an entire dedicated blocking script being loaded.

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*

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* @link https://git.io/vWdr2

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*/

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function twenty_twenty_one_skip_link_focus_fix() {

[489] Fix | Delete

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// If SCRIPT_DEBUG is defined and true, print the unminified file.

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if ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) {

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echo '<script>';

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include get_template_directory() . '/assets/js/skip-link-focus-fix.js';

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echo '</script>';

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}

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// The following is minified via `npx terser --compress --mangle -- assets/js/skip-link-focus-fix.js`.

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?>

[499] Fix | Delete