Assertion and check helper functions for Laravel.

AssertionHelper.php

<?php

namespace App\Helpers;

use Request;
use Route;
use URL;
use View;

class AssertionHelper
{
    /**
     * Return true if current page is home.
     *
     * @return bool
     */
    public static function isHome()
    {
        return Route::is('home');
    }

    /**
     * Return true if current page is an admin home page.
     *
     * @return bool
     */
    public static function isAdminHome()
    {
        return URL::current() == route('admin.index');
    }

    /**
     * Return true if current page is an admin page.
     *
     * @return bool
     */
    public static function isAdmin()
    {
        return Route::is('*admin*');
    }

    /**
     * Return true if current page is $page.
     *
     * @param string $page
     * @param array  $parameters
     *
     * @return bool
     */
    public static function isPage($page, $parameters = [])
    {
        // Check if $page is a route name
        if (Route::has($page)) {
            if ($parameters) {
                return URL::current() == route($page, $parameters);
            }

            return Route::currentRouteName() == $page;
        }

        $current = str_replace(Request::root() . '/', '', URL::full());

        return $current == $page;
    }

    /**
     * Check if yield section exists.
     *
     * @param string $yield
     *
     * @return bool
     */
    public static function yieldExists($yield)
    {
        return (bool) trim(View::yieldContent($yield));
    }
}

asserts.php

<?php

use App\Helpers\AssertionHelper;

if ( !function_exists('is_home') )
{
    /**
     * Return true if current page is home.
     *
     * @return bool
     */
    function is_home()
    {
        return AssertionHelper::isHome();
    }
}

if ( !function_exists('is_admin') )
{
    /**
     * Return true if current page is an admin page.
     *
     * @return bool
     */
    function is_admin()
    {
        return AssertionHelper::isAdmin();
    }
}

if ( !function_exists('is_admin_home') )
{
    /**
     * Return true if current page is an admin home page.
     *
     * @return bool
     */
    function is_admin_home()
    {
        return AssertionHelper::isAdminHome();
    }
}

if ( !function_exists('is_page') )
{
    /**
     * Return true if current page is $page.
     *
     * @param string $page
     * @param array  $parameters
     *
     * @return bool
     */
    function is_page($page, $parameters = [])
    {
        return AssertionHelper::isPage($page, $parameters);
    }
}

if (!function_exists('yield_exists')) {
    /**
     * Check if yield section exists.
     *
     * @param string $yield
     *
     * @return bool
     */
    function yield_exists($yield)
    {
        return AssertionHelper::yieldExists($yield);
    }
}