{% comment %}
  Product data wish is not defined in the default product data using the shopify ajax api or json filter
{% endcomment %}
{% capture productExtrasJsonString %}
{
  {% if product %}
    "handle": {{ product.handle | json }},
    "variants": {
      {% for variant in product.variants %}
        "{{variant.id}}": {
          "incoming": {{ variant.incoming | json }},
          "next_incoming_date": {{ variant.next_incoming_date |json }}
        }{% if forloop.last != true %},{% endif %}
      {% endfor %}
    },
    "metafields": {
      "c_f": {{ product.metafields.c_f | json }},
      "global": {{ product.metafields.global | json }}
    }
    {% if collection.previous_product %}
      ,"previous_product":"{{collection.previous_product}}"
    {% endif %}
    {% if collection.next_product %}
      ,"next_product":"{{collection.next_product}}"
    {% endif %}
  {% endif %}
}
{% endcapture %}{{ productExtrasJsonString | strip_newlines | strip | replace: "'", "'" }}