Add search file to enable app data in your theme

{%- layout none -%}
{%- paginate search.results by 250 -%}
    [{%- for product in search.results -%}
        {%- unless forloop.first -%},{%- endunless -%}
        {
            "id":{{-product.id-}},
            "title":{{-product.title | json-}},
            "handle":"{{-product.handle-}}",
            "price":"{{-product.price-}}",
            "price_max":"{{-product.price_max}}",
            "price_min":"{{-product.price_min}}",
            "product_type":"{{-product.product_type-}}",
            "created_at":"{{-product.created_at-}}",
            "published_at":"{{-product.published_at-}}",
            "tags": {{-product.tags | json-}},
            "vendor": "{{-product.vendor-}}",
            "featured_image":"{{-product.featured_image-}}",
            "url":"{{-product.url-}}",
            "collections":{{-product.collections | map: 'id' | json-}},
            "compare_at_price":"{{-product.compare_at_price-}}",
            "compare_at_price_max": "{{-product.compare_at_price_max-}}",
            "compare_at_price_min": "{{-product.compare_at_price_min-}}",
            "options": {{-product.options | json-}},
            "options_with_values": {{-product.options_with_values | json-}},
            "images":[
            {%- for image in product.images -%}{%- unless forloop.first -%},
            {%- endunless -%}
            {
                "id":{{-image.id-}},
                "src":{{-image.src | json-}},
                "variant_ids":{{-image.variants | json-}}
            }
            {%- endfor -%}
            ],
            "first_available_variant":{"id":{{product.selected_or_first_available_variant.id}}},
            "available":{{-product.available-}},
            "variants":[
                {%- for variant in product.variants -%}{%- unless forloop.first -%},
                    {%- endunless -%}
                    {
                    "id":{{-variant.id-}},
                    "title":{{-variant.title | json}},
                    "name":{{-variant.name | json}},
                    "price":{{-variant.price-}},
                    "compare_at_price":"{{-variant.compare_at_price-}}",
                    "available":{{-variant.available-}},
                    "vendor": "{{-variant.vendor-}}",
                    "sku":{{-variant.sku | json -}},
                    "weight":"{{-variant.weight-}}",
                    "image_id": "{{-variant.image_id-}}",
                    "weight_unit": "{{-variant.weight_unit-}}",
                    "option1":  {{-variant.option1| json-}},
                    "option2":  {{-variant.option2| json-}},
                    "option3":  {{-variant.option3| json-}},
                    "options":  {{-variant.options| json-}},
                    "inventory_quantity":{{-variant.inventory_quantity-}},
                    "inventory_policy": {{-variant.inventory_policy | json -}}
                    }
                {%- endfor -%}
            ]
        }
    {%- endfor -%}]
{%- endpaginate -%}