themes/docsy/layouts/shortcodes/swaggerui.html

{{ $original := .Get "src" }}
<div id="ohpen_swagger_ui"></div>
<script>
  window.onload = function () {
    const ui = SwaggerUIBundle({
      url: {{ $original | relURL }},
      dom_id: '#ohpen_swagger_ui',
      presets: [
        SwaggerUIBundle.presets.apis,
        SwaggerUIStandalonePreset
      ]
    });
    window.ui = ui;
  };
</script>