reactive-ui-patterns

Update remote data queries in place using query.refresh() and .current.

6|Updated Aug 8, 2023
One-click install
npx skills add https://github.com/spences10/devhub-crm --skill reactive-ui-patterns
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: reactive-ui-patterns
Source: https://github.com/spences10/devhub-crm/tree/main/.claude/skills/reactive-ui-patterns
Command: npx skills add https://github.com/spences10/devhub-crm --skill reactive-ui-patterns

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill addresses the jarring user experience caused by full page reloads or content disappearing during data updates in web applications. It provides patterns to ensure smooth, in-place UI updates, preserving scroll position and component state, making your application feel instant and responsive.

Core Features & Use Cases

  • Smooth In-Place Updates: Prevents page jumps and content flashes by retaining previous data during refreshes using the .current property.
  • Optimized Loading States: Displays subtle loading indicators (e.g., opacity changes) instead of full spinners, keeping content accessible and interactive during data fetches.
  • Preserves User Context: Maintains scroll position, form input values, and component state during data reloads, ensuring a seamless user flow.
  • Use Case: Implement an inline editing feature for a list of contacts. When a user saves an edit, the list updates instantly without the page jumping or the edit form resetting, providing a seamless experience.

Quick Start

Store your data query in a variable, like const data_query = get_data();. Access the data using data_query.current to keep content visible during refreshes. Show a full loading spinner only when data_query.loading is true AND data_query.current is undefined (initial load). Add class:opacity-60={data_query.loading} to your content container for subtle loading indication during subsequent refreshes.

Frequently Asked Questions about reactive-ui-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent page jumps when updating data in SvelteKit?

In-place updates preserve scroll position by retaining previous data during refreshes using the `.current` property instead of full re-renders. Access `data_query.current` to keep content visible while fetching new data, eliminating jarring page jumps and maintaining user context throughout the update cycle.

What's the best way to show loading states without hiding content during data fetches?

Reactive UI patterns use subtle loading indicators like opacity changes instead of full spinners. Show full spinners only on initial load when `.current` is undefined; during subsequent refreshes, apply `class:opacity-60={data_query.loading}` to indicate activity while keeping content interactive and accessible.

Can I implement inline editing on a list without losing scroll position or form state?

Yes. Store your query in a variable, access data via `.current`, and call `query.refresh()` to update content in place. This pattern preserves scroll position, form input values, and component state during saves, delivering seamless inline editing without re-renders or manual reloads.

How do reactive data patterns differ from full-page reload approaches?

Reactive patterns surgically refresh content in place using `.current` and `query.refresh()`, avoiding {#await}-based re-renders and full reloads. This maintains scroll position, form state, and user context while providing smooth, responsive UIs instead of jarring content flashes.

When should I use .current property vs. traditional {#await} blocks in SvelteKit?

Use `.current` when you need to preserve previous data and component state during refreshes—ideal for inline editing, dashboards, and list refinements. Reserve {#await} for initial loads or scenarios where showing a full spinner is acceptable; `.current` prevents content disappearance and maintains user flow.

What prerequisites do I need to implement smooth in-place data updates?

You need a stored query variable with `.current` and `.loading` properties, access to `query.refresh()` method, and a SvelteKit component structure. This enables surgical refresh calls and subtle loading cues without full re-renders, making real-time dashboards and list refinements feel instant.