Acutis

Acutis is a template engine that uses pattern matching, strong typing, asynchronous templates, and template components. It’s built in ReScript and designed for JavaScript. It’s comparable to engines like Mustache, Handlebars, Liquid, and Nunjucks.

Source code | Changelog

<h1> Blog posts for {{ siteTitle }} </h1>
{% map blogPosts with {image, title, date, excerpt, author: {name}} %}
  <article>
    <header>
      {% match image
         with null %}
        {* no image *}
      {% with {src, alt} %}
        <img src="{{ src }}" alt="{{ alt }}" />
      {% /match %}
      <h2> {{ title }} </h2>
      <span class="byline"> By {{ name ? "Anonymous" }} </span>
      {% DateTime date format="MMMM Do, YYYY" / %}
    </header>
    <p> {{ excerpt }} </p>
  </article>
{% /map %}