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Description

Supercharged $state() for Svelte

"Svelte 5's $state() is fantastic for simple use cases. A login form? Easy. A settings toggle? Trivial.

But what about real enterprise applications? With native Svelte 5, there is no automatic change detection for nested properties, no built-in validation that mirrors your data structure, no way to know which property changed and react to it, no undo/redo for complex editing workflows and no dirty tracking across the entire object tree.

svstate wraps your state in a deep reactive proxy that:

• 🔍 Detects changes at any nesting level
• ✅ Validates with a structure that mirrors your data
• 🌐 Async validation for server-side checks (username availability, email verification)
• ⚡ Fires effects when any property changes (with full context)
• ⏪ Snapshots & undo for complex editing workflows
• 🎯 Tracks dirty state automatically (per-field and aggregate)
• 🔧 Supports methods on state objects for computed values and formatting
• 🔌 Plugin system for persistence, autosave, devtools, URL sync, cross-tab sync, undo/redo, and analytics

svstate works best for enterprise applications with complex forms, ERP, CRM and admin dashboards, multi-step wizards, applications needing undo/redo and any form beyond username/password."

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