Install TryNow in your Shopify 1.0 theme

Introduction

In order to install TryNow on a Shopify 1.0 theme, you will need to create a product.json file in your theme files.

TryNow relies on JSON templates for Try Before You Buy functionality. You can add a product.json file your theme to add support for these features by converting your product.liquid template into a JSON template, and moving any required Liquid code or HTML into sections that you can include in the new JSON template.

This tutorial uses Debut as an example, and moves code from a product.liquid template file into a product-template.liquid section file, which can then be included in a new product.json template. You can perform these actions in the Shopify CLI or the code editor.

Here is Shopify's help video:

Notes / Requirements

If you want to migrate your theme using your local development environment and Shopify CLI:
- Install Shopify CLI.
- Make sure that you have a collaborator account or a staff account for the store you want to work on, or you're the owner of the store. If you have a collaborator account or staff account, then you must be granted the Manage themes permission or Themes permission for the store. Store owners have these permissions by default.
- Note the URL of the store that you want to work on.
JSON templates aren't supported through Theme Kit. If you want to make these changes through a local development environment, then you need to use Shopify CLI.

Step 1: Back up the theme

After you identify the theme that you want to work on, make a copy of it.

If you're editing the theme using the code editor, then duplicate the theme. Make sure that the theme is unpublished while you're editing it. This is because you'll be removing files from the theme, which would impact the live storefront. You might also need a back-up copy to reference or revert to later.

If you're editing the theme locally using Shopify CLI, then download the theme files using the shopify theme pull command.

Step 2: Identify sections and remove section references

Anchor link to section titled "Step 2: Identify sections and remove section references"

To start converting your Liquid template into a JSON template, you must make note of and then remove any {% section %} tags.

You need to remove these references so that you can move the rest of the code into a section file. Section files can't contain references to other section files.

Open your theme in the code editor or your local development environment.
Locate the product.liquid file in the /templates directory.
Search for any {% section %} tags where sections are being included. Note their names and where they are located.

For example, in Debut, there are two sections included at the top of the template:
```
{% section 'product-template' %}
{% section 'product-recommendations' %}
```
The first section tag references the product-template section, which contains most of the markup needed to render the product page. That includes the product title, product images, add to cart button, and more.

Next is a reference to the product-recommendations section, which displays a list of products automatically selected as suggestions for customers.
After you've found any {% section %} tags and made a note of their location, delete the tags from the product.liquid file.

Step 3: Move code from the template into a section

After you remove the {% section %} tags from the template code, you need to decide where to move it. You can move this code to an existing section or a new section.

Option 1: Add code to an existing section

You might already have a section that renders a large portion of the code for a page. For example, in Debut, the product-template section contains a portion of the code for the product page.

Open the section file where you want to add the template code.
Copy the remaining code from product.liquid.
Paste the code into the section file above the opening {% schema %} tags.

Option 2: Add code to a new section

If none of the existing section files in your theme are appropriate, then you can create a new section to host your Liquid template code.

Create a new file in the /sections directory. For example, product-content.liquid. If you're creating the section through the code editor, then delete the placeholder code for the section.
After you create your new section file, copy the remaining code from the product.liquid file and paste it into the empty section file.

Step 4: Delete the Liquid template file

After you copy the code from product.liquid, delete product.liquid from the /templates directory. This is because it will be replaced with a product.json file, and a product.liquid and product.json file can't be stored in the /templates directory at the same time.

Step 5: Create a JSON template file

After the product.liquid file has been deleted, you can create the replacement JSON template.

Create a new file in the /templates directory called product.json:
- If you're using the code editor:
  1. Select Add a new template.
  2. From the Create a template for drop-down menu, choose Product.
  3. Select JSON as the template type.
- If you're editing the theme locally, then create a new file called product.json and save it in the /templates directory.
After you create the product.json file, replace any default code inside this file with the following:
```
{
   "sections": {
      "main": {
         "type": "product-template"
      }
   },
   "order": [
      "main"
   ]
}
```
The type property should reference the name of the section file where you transferred the markup of the product template file in step 3.
Save the file.

Step 6: Test the template

After you create your new template, open it in the theme editor to make sure that it renders correctly.

To access the theme editor using Shopify CLI:

In a terminal, type shopify login --store <DOMAIN>, where <DOMAIN> is the store that you want to log in to. Click the link to finish the login process.
Navigate to the working directory for the theme.
Type shopify theme dev. The dev command returns a link to the Shopify admin theme editor.

Open the theme editor and navigate to a product page. An Add section button should appear in the left sidebar. All the sections that were previously accessible only from the home page should now appear in the Add section menu.

Step 7: Add references to sections

If the original product.liquid template file contained references to additional sections, such as a product recommendations section, then you can define these within the product.json file, and then define their order.

Open product.json. The file currently references only a main section, the section that contains your migrated code.

{
   "sections": {
      "main": { 
         "type": "product-template"
      }
   },
   "order": [
      "main" 
   ]
}

Add additional sections using this structure. For example, you can add a reference to a product-recommendations section.

In this example, below the main object, you can insert a second object called recommendations. The type property contains the filename of this section:
```
{
   "sections": {
      "main": { 
         "type": "product-template"
      },
      "recommendations": {
         "type": "product-recommendations"
      }
   },
   "order": [
      "main" 
   ]
}
```
Define the order in which the sections appear.

For example, you can order the recommendation section relative to the main section.
Within the order array, add recommendations where the section should appear. In this case, the section should appear below the existing main section.
After you define the order, your product.json file should look like this:
```
{
   "sections": {
      "main": {
         "type": "product-template"
      },
      "recommendations": {
         "type": "product-recommendations"
      }
   },
   "order": [
      "main",
      "recommendations"
   ]
}
```

When you navigate to the theme editor and select a product page, the product recommendations section should now appear on the page below the product template section.

Step 8: Add support for app blocks to sections

You will also need to support app blocks so that you can install TryNow's buttons on your product page. There are two elements to this:

You need to make these changes for every section where you want to support app blocks. Learn more about supporting app blocks in your theme.

Enable app blocks in the section schema

To let merchants add an app block to a section, you need to add blocks of type @app to the section's schema. Blocks of type @app aren't supported in statically rendered sections.

For example, to add support for app blocks to the Debut product-template section, you can add the code below. Because the section doesn't contain any blocks, you can add a new blocks node after the schema's settings node.

"settings": [
   ...
]
"blocks": [
   { 
      "type": "@app"
   }
]

Render app blocks

To render an app block in your theme, check for the appropriate type, and then render the block using a {% render block %} tag. You can add this code wherever it makes sense for your section.

For example:

{% for block in section.blocks %}
   {% case block.type %}
      {% when '@app' %}
         {% render block %}
      ...
   {% endcase %}
{% endfor %}

Continue to Installation

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