<?php
Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:log\s*\((.*?)\)/';
    return preg_replace($pattern, '$1<!--ko if: console.log($2)--><!--/ko-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:text\s*\((.*?)\)/';
    return preg_replace($pattern, '$1<!--ko text: $2--><!--/ko-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:html\s*\((.*?)\)/';
    return preg_replace($pattern, '$1<!--ko html: $2--><!--/ko-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:each\s*\((.*?)\)\n/';
    return preg_replace($pattern, '$1<!--ko foreach: $2-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:if\s*\((.*?)\)\n/';
    return preg_replace($pattern, '$1<!--ko if: $2-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:unless\s*\((.*?)\)\n/';
    return preg_replace($pattern, '$1<!--ko ifnot: $2-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:with\s*\((.*?)\)/';
    return preg_replace($pattern, '$1<!--ko with: $2-->', $view);
});

Blade::extend(function($view, $compiler){
    $pattern = '/(?<!\w)(\s*)@ko:end\s*(\((.*?)\))?/';
    return preg_replace($pattern, '$1<!--/ko-->', $view);
});