{{/* prettier-ignore-start */ -}}
{{- /*
Renders an absolute URL to the source code for an embedded template.

Accepts either positional or named parameters, and depends on the
embedded_templates.toml file in the data directory.

@param {string} filename The embedded template's file name, excluding extension.

@example {{% et robots.txt %}}
@example {{% et filename=robots.txt %}}
*/ -}}
{{/* prettier-ignore-end */ -}}
{{- with $filename := or (.Get "filename") (.Get 0) }}
  {{- with site.Data.embedded_template_urls }}
    {{- with index . $filename }}
      {{- urls.JoinPath site.Data.embedded_template_urls.base_url . }}
    {{- else }}
      {{- errorf "The %q shortcode was unable to find a URL for the embedded template named %q. Check the name. See %s" $.Name $filename $.Position }}
    {{- end }}
  {{- else }}
    {{- errorf "The %q shortcode was unable to find the embedded_template_urls data file in the site's data directory. See %s" $.Name $.Position }}
  {{- end }}
{{- else }}
  {{- errorf "The %q shortcodes requires a named or positional parameter, the file name of the embedded template, excluding its extension. See %s" .Name .Position }}
{{- end -}}