purescript-halogen/purescript-halogen

Health v2 · maintenance only

Adoption not part of the score

1596 stars · 217 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Halogen is a declarative, type-safe UI library for PureScript with its own virtual DOM implementation. It supports encapsulated, composable components that manage their own state, or a single-component Elm-like architecture.

Use cases

• build a type-safe single-page web app in PureScript
• create composable UI components with encapsulated state
• implement an Elm-style architecture for a web frontend
• render declarative views that update efficiently on state changes
• build a web UI with performance comparable to React or Angular
• learn functional frontend development with a guided tutorial

When to choose

• your project is written in PureScript and needs a web UI
• you want strong type safety and declarative rendering
• you prefer component-based or Elm-like architecture
• you need virtual DOM performance without leaving the PureScript ecosystem

When to avoid

• your team works primarily in JavaScript or TypeScript
• you need a large ecosystem of third-party UI components
• you are building a mobile or native desktop app
• you want a framework with mainstream community support

Facets

library · maturity active

frontend-framework ui-components state-management templating web-development frontend browser purescript virtual-dom declarative-ui component-architecture elm-architecture type-safe web-server nodejs

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