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vallafederico
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solidstart-hydration-guard

Enforce identical SSR and CSR output in SolidStart applications to prevent hydration mismatches.

Updated Jan 4, 2026
Search Tags:#performance#debugging#reactivity#ssr#hydration#solidstart#csr
One-click install
npx skills add https://github.com/vallafederico/solid-ai-rules --skill solidstart-hydration-guard
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: solidstart-hydration-guard
Source: https://github.com/vallafederico/solid-ai-rules/tree/main/.claude/skills/solidstart-hydration-guard
Command: npx skills add https://github.com/vallafederico/solid-ai-rules --skill solidstart-hydration-guard

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the critical challenge of ensuring that server-side rendered (SSR) and client-side rendered (CSR) output in SolidStart applications remains identical, preventing hydration errors and ensuring a seamless user experience.

Core Features & Use Cases

  • SSR/CSR Symmetry: Guarantees that browser-only APIs are not called during SSR and that server HTML remains stable.
  • Stable IDs & Data: Ensures consistent unique IDs and JSON-serializable data passed from server to client.
  • Resource & Suspense Alignment: Manages Suspense fallbacks and resource loading for identical behavior on server and client.
  • Client-Only UI Management: Provides strategies for isolating client-specific components and effects.
  • Streaming & Headers: Correctly handles streaming renders and header/status code consistency.
  • Router Integration: Ensures proper Suspense usage within the router for error-free hydration.
  • Use Case: Prevent common hydration mismatches in SolidStart by applying these rules, leading to more robust and predictable applications.

Quick Start

Apply the solidstart-hydration-guard skill to your SolidStart project to enforce consistent server and client rendering.

Frequently Asked Questions about solidstart-hydration-guard

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

FAQPage Schema
Why does my SolidStart application throw hydration mismatch errors?▼

Hydration mismatches in SolidStart occur when server-side rendering (SSR) and client-side rendering (CSR) output differ. This Skill prevents hydration mismatches by enforcing identical SSR and CSR output, addressing browser-only APIs and stable IDs.

How do I stop browser-only APIs from breaking SolidStart server-side rendering?▼

To stop browser-only APIs from breaking server-side rendering, isolate client-specific components using `clientOnly` and `onMount`. This Skill guides developers on managing client-only UI to ensure server HTML remains stable and prevents hydration errors.

What is the best way to ensure stable IDs during SolidStart hydration?▼

The best way to ensure stable IDs during SolidStart hydration is using `createUniqueId`. This Skill enforces consistent unique IDs and JSON-serializable data passed from server to client to guarantee SSR and CSR symmetry.

How do I align Suspense fallbacks for consistent SolidStart streaming renders?▼

Align Suspense fallbacks for consistent SolidStart streaming renders by managing resource loading and router integration. This Skill ensures proper Suspense usage within the router for identical behavior on server and client, preventing hydration mismatches.

Does this approach handle header and status code consistency in SolidStart SSR?▼

Yes, this approach handles header and status code consistency in SolidStart SSR. It correctly manages streaming renders and header consistency to guarantee identical server and client output, leading to more robust applications.

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