var md = window.markdownit();
var context = {
	'card' : jsyaml.load(document.getElementById("yaml_data").innerHTML),
	'alert' : alert,
};

var env = new nunjucks.Environment({
	autoescape: true
});
env.addFilter('markdown', function(str) {
	return md.render(str);
});
env.addFilter('cull_whitespace', function(str) {
    return str.split(/\s+/).join(' ').trim();
});
env.addFilter('any', function(iterable) {
    for (var index = 0; index < iterable.length; index++) {
        if (iterable[index]) return true;
    }
    return false;
});
env.addFilter('all', function(iterable) {
    for (var index = 0; index < iterable.length; index++) {
        if (!iterable[index]) return false;
    }
    return true;
});

rendered = env.renderString(jinja_template, context);
console.log(rendered);
document.getElementById("my_card").innerHTML = rendered;