A Rails adapter for Inertia.js, enabling server-driven single-page applications with Rails controllers and modern JavaScript frameworks.
Inertia Rails is the Ruby on Rails adapter for Inertia.js, a framework that lets developers build single-page applications using server-side routing and controllers. It allows Rails controllers to render JavaScript components (like React or Vue) directly, providing a seamless SPA experience without building a separate API. This approach simplifies full-stack development by keeping the frontend and backend tightly integrated.
Rails developers who want to build modern single-page applications with React, Vue, or other JavaScript frameworks without creating a separate API or managing client-side routing complexity.
Developers choose Inertia Rails because it eliminates the overhead of building and maintaining a separate JSON API, leverages familiar Rails patterns like controllers and layouts, and provides a smooth SPA experience with features like partial reloads, shared data, and optional SSR support.
The Rails adapter for Inertia.js.
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Leverages Rails conventions like controllers and layouts, allowing developers to render JavaScript components directly without a separate API, as shown with use_inertia_instance_props and default_render options.
Supports synchronous and lazy shared data across all components via inertia_share, with deep merging capabilities for complex state management, as detailed in the shared data section.
Includes optional props that defer evaluation until requested in partial reloads, reducing initial load time for slow data, as exemplified in the optional props documentation.
Provides RSpec helpers for asserting component rendering, props, and view data, making testing integrated and straightforward, with examples in the testing section.
Server-side rendering is marked as experimental and requires a separate JavaScript server, which may not be stable for production use, as noted in the SSR configuration.
Tied to Inertia.js-compatible frontends like React or Vue, limiting flexibility for teams wanting to use other frameworks or custom JavaScript setups.
Requires setup on both Rails backend and JavaScript frontend, with multiple configuration options (e.g., versioning, SSR) that can be overwhelming for simple or rapid prototyping projects.