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rails-view-components

Create a structured guide for building reusable Rails ViewComponents with slots and previews.

4|2|Updated Dec 12, 2025
Search Tags:#testing#component#rails#slots#viewcomponent#previews
One-click install
npx skills add https://github.com/rubakas/agent-notes --skill rails-view-components
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: rails-view-components
Source: https://github.com/rubakas/agent-notes/tree/main/rails-view-components
Command: npx skills add https://github.com/rubakas/agent-notes --skill rails-view-components

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

ViewComponent helps Rails teams manage UI complexity by encapsulating view code into reusable, testable components. It reduces duplication, simplifies testing, and improves consistency across the user interface.

Core Features & Use Cases

  • Reusable components: encapsulate logic and templates in small, composable units.
  • Slots and composition: uses renders_one and renders_many to compose header, body, and actions.
  • Testing & previews: provides test helpers and previews to visualize components in isolation.
  • Use cases: building dashboards, cards, forms, and other UI patterns with predictable behavior.

Quick Start

Create reusable components under app/components and render them in your Rails views to start building modular interfaces.

Frequently Asked Questions about rails-view-components

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

FAQPage Schema
How do I build reusable Rails UI components that are easy to test?▼

You can build reusable Rails UI components by encapsulating view logic and templates into ViewComponent units under app/components, which reduces duplication and allows isolated testing of UI elements.

How do ViewComponent slots work for composing complex UI layouts?▼

ViewComponent slots use renders_one and renders_many to compose multiple sections like headers, bodies, and actions into a single reusable component, allowing flexible and predictable UI composition.

Can I preview ViewComponents in isolation during Rails development?▼

Yes, ViewComponent provides preview functionality that allows you to visualize and inspect individual components in isolation, ensuring consistent styling and predictable behavior before integrating them into views.

What is the best way to test Rails ViewComponents?▼

The best way to test Rails ViewComponents is using the provided test helpers, which allow you to assert component rendering and behavior in isolation, ensuring predictable UI performance across views and controllers.

When should I use ViewComponent slots instead of standard Rails partials?▼

Use ViewComponent slots when you need to compose complex, reusable UI patterns like dashboards or cards with multiple distinct sections, as slots provide structured composition that standard partials lack.

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