Meta schema JSON on Eleventy by nunjucks include, set, filter, custom tags.

meta-schema-custom-tag.njk

<script type="application/ld+json">
{% minifyJson %}
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "url": "{{ metadata.url }}",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "{{ metadata.url }}/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
{% endMinifyJson %}
</script>
<script type="application/ld+json">
{% minifyJson %}
{
  "@context": "http://schema.org",
  "@type": "Person",
  "name": "{{ metadata.title }}",
  "url": "{{ metadata.url }}",
  "sameAs": [
    "{{ metadata.author.social.facebook }}",
    "{{ metadata.author.social.twitter }}",
    "{{ metadata.author.social.github }}"
  ]
}
{% endMinifyJson %}
</script>

meta-schema-include.njk

{% set search %}{% include "json/search.njk" %}{% endset %}
{% set social %}{% include "json/social.njk" %}{% endset %}
<script type="application/ld+json">
{{ search | minifyJson | safe }}
</script>
<script type="application/ld+json">
{{ social | minifyJson | safe }}
</script>

meta-schema-set-block.njk

{% set search %}
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "url": "{{ metadata.url }}",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "{{ metadata.url }}/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
{% endset %}
<script type="application/ld+json">
{{ search | minifyJson | safe }}
</script>

{% set social %}
{
  "@context": "http://schema.org",
  "@type": "Person",
  "name": "{{ metadata.title }}",
  "url": "{{ metadata.url }}",
  "sameAs": [
    "{{ metadata.author.social.facebook }}",
    "{{ metadata.author.social.twitter }}",
    "{{ metadata.author.social.github }}"
  ]
}
{% endset %}
<script type="application/ld+json">
{{ social | minifyJson | safe }}
</script>