def static_urls_js():
    """
    Add global variables to JavaScript about the location and latest version of
    transpiled files.
    Usage::
        {% static_urls_js %}
    """
    if apps.is_installed('django.contrib.staticfiles'):
        from django.contrib.staticfiles.storage import staticfiles_storage
        static_base_url = staticfiles_storage.base_url
    else:
        static_base_url = PrefixNode.handle_simple("STATIC_URL")
    transpile_base_url = urljoin(static_base_url, 'js/transpile/')
    return {
        'static_base_url': static_base_url,
        'transpile_base_url': transpile_base_url,
        'version': LAST_RUN['version']
    }