functions.php

<?php
function scripts_and_styles_method() {

  $templateuri = get_template_directory_uri() . '/js/';

  // library.js is to bundle plugins. my.js is your scripts. enqueue more files as needed
  $jslib = $templateuri."library.js";
  wp_enqueue_script( 'jslib', $jslib,'','',true);
  $myscripts = $templateuri."main.min.js";
  wp_enqueue_script( 'myscripts', $myscripts,'','',true);
  wp_localize_script( 'myscripts', 'WP', array(
    'blogName' => get_bloginfo('name')
  ));

  // enqueue stylesheet here. file does not exist until stylus file is processed
  wp_enqueue_style( 'site', get_stylesheet_directory_uri() . '/css/site.min.css' );

  // dashicons for admin
  if(is_admin()){
    wp_enqueue_style( 'dashicons' );
  }

}
add_action('wp_enqueue_scripts', 'scripts_and_styles_method');

if( function_exists( 'add_theme_support' ) ) {
  add_theme_support( 'post-thumbnails' );
}

if( function_exists( 'add_image_size' ) ) {
  add_image_size( 'admin-thumb', 150, 150, false );
  add_image_size( 'opengraph', 1200, 630, true );

  add_image_size( 'name', 199, 299, true );
}

// Register Nav Menus

register_nav_menus( array(
	'menu_pages' => 'Pages',
) );

add_filter( 'wp_nav_menu_items', 'prefix_remove_menu_item_whitespace' );
function prefix_remove_menu_item_whitespace( $items ) {
    return preg_replace( '/>(\s|\n|\r)+</', '><', $items );
}

function wpa_category_nav_class( $classes, $item ){
    if( 'category' == $item->object ){
        $classes[] = 'menu-category-' . $item->object_id;
    }
    return $classes;
}
add_filter( 'nav_menu_css_class', 'wpa_category_nav_class', 10, 2 );


//get_template_part( 'lib/gallery' );
//get_template_part( 'lib/post-types' );
//get_template_part( 'lib/meta-boxes' );
//get_template_part( 'lib/theme-options' );
get_template_part( 'lib/custom-nav' );

add_action( 'init', 'cmb_initialize_cmb_meta_boxes', 9999 );
function cmb_initialize_cmb_meta_boxes() {
  // Add CMB2 plugin
  if( ! class_exists( 'cmb2_bootstrap_202' ) )
    require_once 'lib/CMB2/init.php';
}

// Disable that freaking admin bar
add_filter('show_admin_bar', '__return_false');

// Turn off version in meta
function no_generator() { return ''; }
add_filter( 'the_generator', 'no_generator' );

// Show thumbnails in admin lists
add_filter('manage_posts_columns', 'new_add_post_thumbnail_column');
function new_add_post_thumbnail_column($cols){
  $cols['new_post_thumb'] = __('Thumbnail');
  return $cols;
}
add_action('manage_posts_custom_column', 'new_display_post_thumbnail_column', 5, 2);
function new_display_post_thumbnail_column($col, $id){
  switch($col){
    case 'new_post_thumb':
    if( function_exists('the_post_thumbnail') ) {
      echo the_post_thumbnail( 'admin-thumb' );
      }
    else
    echo 'Not supported in theme';
    break;
  }
}

// remove automatic <a> links from images in blog
function wpb_imagelink_setup() {
	$image_set = get_option( 'image_default_link_type' );
	if($image_set !== 'none') {
		update_option('image_default_link_type', 'none');
	}
}
add_action('admin_init', 'wpb_imagelink_setup', 10);

// custom login logo
/*
function custom_login_logo() {
  echo '<style type="text/css">h1 a { background-image:url(' . get_bloginfo( 'template_directory' ) . '/images/login-logo.png) !important; background-size:300px auto !important; width:300px !important; }</style>';
}
add_action( 'login_head', 'custom_login_logo' );
*/

// UTILITY FUNCTIONS

// to replace file_get_contents
function url_get_contents($Url) {
  if (!function_exists('curl_init')){
      die('CURL is not installed!');
  }
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $Url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  $output = curl_exec($ch);
  curl_close($ch);
  return $output;
}

// get ID of page by slug
function get_id_by_slug($page_slug) {
	$page = get_page_by_path($page_slug);
	if($page) {
		return $page->ID;
	} else {
		return null;
	}
}
// is_single for custom post type
function is_single_type($type, $post) {
  if (get_post_type($post->ID) === $type) {
    return true;
  } else {
    return false;
  }
}

?>