Embed things into the markdown content of a hugo site

embed.html

<div class="embed">
  {{ $file := .Get "src" }}

  {{ if fileExists $file }}
    {{ if eq (.Get "markdown") "true" }}
      {{ $file | readFile | markdownify }}
    {{ else }}
      {{ if or (eq (.Get "javascript") "true") (eq (.Get "js") "true") }}
        <script>
          {{ $file | readFile | safeJS }}
        </script>
      {{ else }}
        {{ $file | readFile | safeHTML }}
      {{ end }}
    {{ end }}
  {{ else }}
    <p><em>Cannot find file <code>{{ $file }}</code></em></p>
  {{ end }}
</div>

example.md

title
Test HTML and JS Embed!

This should have the content of test.html below here:

{{< embed src="/resources/test.html" >}}

And the js should be inserted below here:

{{< embed src="/resources/test.js" js="true" >}}

Hooray üéâ