0ms Response⏱3 min readUpdated August 2026
Getting Started with WS Wishlist
Install 0ms optimistic wishlist buttons, slide-out header drawers, and guest-to-member syncing on your Shopify store.
WS Wishlist eliminates network lag for shoppers by updating DOM state immediately in 0ms using a local-first browser queue while synchronizing securely in the background through a cryptographically signed Shopify App Proxy.
1-Click Theme App Embed Setup#
Enable Wishlist Core Embed
In your Shopify Theme Editor, enable the WS Wishlist Core theme app embed.
Add Product Card Hearts
Enable automatic product card heart injection or add the Wishlist Heart block to your Product Information section.
Configure Drawer or Page Mode
Choose whether clicking the header heart opens an accessible slide-out drawer or navigates to /apps/wishlist.
javascript
// Local-First 0ms Wishlist Client
import { toggleWishlistItem } from '@ws-wishlist/client';
button.addEventListener('click', () => {
toggleWishlistItem({ productId: '8129381923', variantId: '439201923' });
});Have feedback or question about this guide?
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