functions.php

<?php
function wordpressify_resources() {
	wp_enqueue_style( 'style', get_stylesheet_uri() );
	wp_enqueue_script( 'header_js', get_template_directory_uri() . '/js/header-bundle.js', null, 1.0, false );
	wp_enqueue_script( 'footer_js', get_template_directory_uri() . '/js/footer-bundle.js', null, 1.0, true );
}

add_action( 'wp_enqueue_scripts', 'wordpressify_resources' );

// Customize excerpt word count length
function custom_excerpt_length() {
	return 22;
}

add_filter( 'excerpt_length', 'custom_excerpt_length' );

// Theme setup
function wordpressify_setup() {
	// Handle Titles
	add_theme_support( 'title-tag' );

	// Add featured image support
	add_theme_support( 'post-thumbnails' );
	add_image_size( 'small-thumbnail', 720, 720, true );
	add_image_size( 'square-thumbnail', 80, 80, true );
	add_image_size( 'banner-image', 1024, 1024, true );
}

add_action( 'after_setup_theme', 'wordpressify_setup' );

show_admin_bar( false );

// Checks if there are any posts in the results
function is_search_has_results() {
	return 0 != $GLOBALS['wp_query']->found_posts;
}

// Add Widget Areas
function wordpressify_widgets() {
	register_sidebar(
		array(
			'name'          => 'Sidebar',
			'id'            => 'sidebar1',
			'before_widget' => '<div class="widget-item">',
			'after_widget'  => '</div>',
			'before_title'  => '<h2 class="widget-title">',
			'after_title'   => '</h2>',
		)
	);
}

add_action( 'widgets_init', 'wordpressify_widgets' );