A modular Shopify Store Credit & Wallet system built for Online Store 2.0 using Liquid, JavaScript, AJAX Cart API, Customer Metafields, and a scalable frontend architecture.
Headless Shopify commerce demo for recovery & wellness: live 3D React/Three.js storefront, Hydrogen integration in progress, merchant app on Cloudflare Workers + D1, Rust/WASM Shopify Functions. Documented path to 1M+ users and 99.9% availability.
if a customer selects the cash-on-delivery payment option at checkout, the system automatically adds the "Cash On Delivery Fee" product to the cart. Conversely, if the customer chooses another payment option, this product is automatically removed from the cart. if a customer selects the "express" delivery option, the cash-on-delivery payment option
Shopify Development Skill for AI Agents — the complete shopify.dev reference (Liquid, themes, apps, Hydrogen, Functions) as an installable skill for Claude Code, Amp & Cursor.
Shopify app that hides Cash on Delivery at checkout above a cart-total threshold. Shopify Functions, React Router 7, PostgreSQL.
Shopify拡張のみで日本の贈答EC向け「のし・ギフト対応」を実装したextension-only app（Theme App Extension / Admin UI Extension / Shopify Functions）
Per-SKU daily sales caps for Shopify — checkout validation Function + orders webhook + theme snippet. No overselling beyond daily production capacity.
Rust Shopify Function (Discount API 2026-07): quantity-break + customer-tag wholesale pricing, per-product tiers, free shipping
"Incorporate a pre-purchase insurance upsell product into the Shopify platform. This feature calculates a 10% fee based on the cart subtotal and applies it as the insurance fee. Essentially, customers are offered the option to protect their purchases with insurance before completing their transactions. The fee is dynamically calculated"
Custom Shopify app for direct-sales brands: orders/paid webhooks → distributor attribution → commissions written back to the order and synced to a commission engine. Checkout UI extension for the referral code; Shopify Function (Wasm) for referral and wholesale pricing. React Router, Prisma/Postgres, Polaris.
Claude Code workflows for Shopify themes, Liquid, Functions, Checkout UI extensions, and Admin GraphQL.
Factory for a portfolio of small, monetizable Shopify Functions/checkout apps on a shared core (billing, GDPR webhooks, settings, analytics) + a preset generator.
Shopify Scripts died 30 June 2026. Migration kit: the 3 most common Script patterns, each dead Ruby Script paired with its working Function. FR/EN.
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