Shopify collection blocks

collection-blocks.liquid

<section class="collection-blocks">

    {% for block in section.blocks %}

        {%- assign collection = collections[block.settings.collection] -%}

        {% if block.settings.collection-title != blank %}
            <h2 class="collection-blocks__collection-title">{{ block.settings.collection-title | escape }}</h2>
        {% else %}
            <h2>{{ collection.title }}</h2>
        {% endif %}

        {% for product in collection.products limit: 6 %}
            <a href="{{ product.url | within: collection }}" class="single-product">

                {% if product.featured_image != blank %}
                    <div class="single-product__image">
                        {% include 'responsive-image' with
                            image: product.featured_image,
                            max_width: 480,
                            max_height: 480 %}
                    </div>
                {% endif %}

                <p>{{ product.title | escape }}</p>

            </a>
        {% endfor %}

    {% endfor %}

</section>

{% schema %}
    {
    "name":"Collection Blocks",
    "settings":[
    ],
    "blocks": [
    {
    "type": "select",
    "name": "Add Collection",
    "settings": [
    {
    "type":"text",
    "id":"collection-title",
    "label":"Collection title"
    },
    {
    "id":"collection",
    "type":"collection",
    "label":"Chose Collection"
    }
    ]
    }
    ],
    "presets":[
    {
    "name":"Collection Blocks",
    "category":"Collection",
    "blocks": [
    {
    "type": "select"
    }
    ]
    }
    ]
    }
{% endschema %}

whatever.liquid

{% section 'collections-blocks' %}