Bolt + Twig - guess language for 404 page

404.twig

{# 
Create a user friendly 404 page that guesses the broken link by looking at the language attribute, and serving the appropriate language
#}

{# Special 404 case, no locales present: check for language #}
{% set language = getlanguage()|default(app.request.pathInfo|split("/")[1])|default('nl') %}
  

    {% if language == 'en' %}
        {% set record = record.endata|json_decode %}
    {% endif %}
    {# {{dump(locales)}} #}

    <h1 lang="{{language}}">{{ record.title }}</h1>
    
    {% if record.introduction is defined and record.introduction is not empty %}
    <div lang="{{language}}" class="introduction">
        {{ record.introduction|raw }}
    </div>
    {% endif %}