Rendering order as json in liquid creates invalid json for discount_applications if > 1 discount

[shawngrona]

steps to reproduce:

1. establish a customer with an order with more than one discount applications
2. render orders as json as per the following

<script class="json-customer-api-response" type="application/json">
{
  "moneyFormat": {{ shop.money_format | json }},
  "ordersCount": {{ customer.orders_count | json }},
  "orders":
  {%- paginate customer.orders by 20 -%}
    {
      "currentPage": {{ paginate.current_page | json }},
      "pageCount": {{ paginate.pages | json }},
      "nodes": [
        {%- for order in customer.orders -%}
          {%- render 'customer-api-order', order: order -%}
          {%- unless forloop.last %},{% endunless %}
        {% endfor -%}
      ]
    }
  {%- endpaginate -%}
}
</script>

expected:
orders render with proper json

actual:
discount_applications renders an array that is not comma-delimited eg

 [{
        "title": "discount applied",
        "total_allocated_amount": 0
      }{
        "title": "Bundle Upgrade",
        "total_allocated_amount": 37000
      }]

[EvilGenius13]

Hi @shawngrona, could you show the part of your code where rendering the discount_application information? I believe that might be in the customer-api-order

[shawngrona]

thank you @EvilGenius13 i didn't even notice it was our code 🫤