Shopify Functions Development

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Builds high-performance Shopify Functions using WebAssembly to customize checkout logic, discounts, and delivery rules.

This skill empowers developers to create and deploy serverless Shopify Functions that extend the platform's backend logic with custom business rules. It provides specialized guidance for writing, configuring, and optimizing WebAssembly extensions for discounts, shipping, and payment customizations while adhering to Shopify's strict performance constraints, such as the 11-million instruction limit and 5ms execution window. Whether you are building complex tiered discounts or advanced cart validation, this skill streamlines the development process from GraphQL input definition to Wasm compilation, ensuring your logic is efficient enough for the high-stakes Shopify checkout environment.

Key Features

01Implement custom discount, payment, and delivery customization logic
02Configure project structures and TOML files for seamless deployment
03Generate GraphQL input queries for accessing cart and metafield data
04Scaffold serverless WebAssembly extensions for Shopify's checkout pipeline
05Optimize logic for strict 11-million instruction and 5ms execution limits
0632 GitHub stars

Use Cases

01Building cart validation rules to enforce specific product combinations or order limits
02Creating complex tiered discount logic that exceeds native Shopify capabilities
03Customizing checkout by hiding or reordering shipping and payment methods based on customer data