Data-driven Schemas for Clojure/Script and babashka.

Metosin Open Source Status: Active. Stability: well matured alpha.

• Schema definitions as data
• Vector, Map and Lite syntaxes
• Validation and Value Transformation
• First class Error Messages with Spell Checking
• Generating values from Schemas
• Inferring Schemas from sample values and Destructuring.
• Tools for Programming with Schemas
• Parsing and Unparsing values
• Enumeration, Sequence, Vector, and Set Schemas
• Persisting schemas, even function schemas
• Immutable, Mutable, Dynamic, Lazy and Local Schema Registries
• Schema Transformations to JSON Schema, Swagger2, and descriptions in english
• Multi-schemas, Recursive Schemas and Default values
• Function Schemas with dynamic and static schema checking
  • Integrates with both clj-kondo and Typed Clojure
• Visualizing Schemas with DOT and PlantUML
• Pretty development time errors
• Fast

• cljdoc.org: Malli — metosin/reitit 0.10.1

A fast data-driven router for Clojure(Script).

• Simple data-driven route syntax
• Route conflict resolution
• First-class route data
• Bi-directional routing
• Pluggable coercion (malli, schema & clojure.spec)
• Helpers for ring, http, pedestal & frontend
• Friendly Error Messages
• Extendable
• Modular
• Fast

• cljdoc.org : Introduction — metosin/reitit 0.10.1