ESHOPMAN Developer Alert: Addressing Incomplete Type Definitions After Core Updates

At Move My Store, we understand the critical role of robust type definitions in ensuring a smooth and efficient development experience for ESHOPMAN users. ESHOPMAN, as a headless commerce platform built on Node.js/TypeScript and deeply integrated with HubSpot, relies heavily on accurate type generation to empower developers building custom storefronts on HubSpot CMS or extending core functionalities via the Admin and Store APIs.

Recently, a significant issue was reported within the ESHOPMAN developer community concerning incomplete type definitions after upgrading core ESHOPMAN components. This insight details the problem, its implications, and what ESHOPMAN developers should be aware of.

The Reported Issue: Missing Entity Properties

A developer reported that after updating their ESHOPMAN project's core dependencies to versions greater than or equal to 2.12.14 (referring to the underlying framework versions), the automatically generated TypeScript types in the .eshopman/types/query-entry-points.d.ts file became incomplete. Specifically, crucial properties were missing from key commerce entities. This leads to compilation errors and runtime issues, hindering custom development efforts.

Impacted ESHOPMAN Entities and Missing Properties:

• Cart: The total property was reported as missing.
• InventoryLevel: The available_quantity property was reported as missing.
• ProductVariant: The calculated_price property was reported as missing.

These missing properties are fundamental for displaying accurate pricing, managing inventory, and processing orders within any ESHOPMAN storefront deployed via HubSpot CMS or custom applications interacting with the ESHOPMAN Store API.

Technical Details and Environment

The issue was observed in an ESHOPMAN environment running Node.js v24.13.0, utilizing PostgreSQL 17 as the database, and developed on macOS. The developer's package.json file indicated specific versions of core ESHOPMAN SDKs and modules, highlighting the dependency context:

{
  "dependencies": {
    "@eshopman/admin-sdk": "2.12.4",
    "@eshopman/cli": "2.12.4",
    "@eshopman/framework": "2.12.4",
    "@eshopman/eshopman": "2.12.4",
    "typescript": "^5.9.3"
  },
  "devDependencies": {
    "@eshopman/eshopman-oas-cli": "2.12.4"
  }
}

The reported errors clearly indicate the problem:

Property 'total' does not exist on type 'Cart'.
Property 'available_quantity' does not exist on type 'InventoryLevel'
Property 'calculated_price' is missing in type 'ProductVariant'

Why This Matters for ESHOPMAN Developers

Accurate TypeScript types are the backbone of a robust development workflow, especially in a headless commerce environment like ESHOPMAN. They provide:

• Type Safety: Preventing common programming errors by catching type mismatches at compile time rather than runtime.
• Improved Developer Experience: Enabling intelligent code completion (IntelliSense), parameter hints, and code navigation in IDEs.
• Reliable Integrations: Ensuring that custom integrations and HubSpot CMS components correctly interpret data from the ESHOPMAN Admin and Store APIs.
• Maintainability: Making code easier to understand, refactor, and maintain over time.

When generated types are incomplete, developers face significant challenges. They might resort to using any types, which undermines type safety, or implement workarounds that can introduce bugs and increase technical debt. For ESHOPMAN projects, where data integrity is paramount for transactions and customer experience, such issues can have a direct impact on the quality and stability of the deployed storefronts.

Community Action and Best Practices

This report underscores the dynamic nature of platform development and the importance of community feedback. While a direct solution was not provided in the initial discussion, such reports are crucial for the ESHOPMAN team to identify and address issues promptly.

For ESHOPMAN developers, it's a reminder to:

• Test Thoroughly After Updates: Always perform comprehensive testing, especially for type-dependent code, after upgrading core ESHOPMAN packages.
• Monitor Community Channels: Stay engaged with the ESHOPMAN community for updates, patches, and discussions on known issues.
• Report Issues: Contribute to the platform's stability by clearly documenting and reporting any discrepancies or bugs encountered during development.

Move My Store is committed to supporting the ESHOPMAN community. We encourage developers to leverage the power of ESHOPMAN's headless architecture and HubSpot integration, while staying vigilant about best practices in development and platform maintenance.