Pronto runs analysis quickly by checking only the relevant changes. Created to be used on pull requests, but suited for other scenarios as well. Perfect if you want to find out quickly if branch introduces changes that conform to your styleguide, are DRY, don't introduce security holes and more.

Validation library

Keep a DRY history of your ActiveRecord models' changes

A set of Rails responders to dry up your application

Common monads for Ruby

Type system for Ruby supporting coercions, constraints and complex types like structs, value objects, enums etc

Simple type-system for Ruby

dry-schema provides a DSL for defining schemas with keys and rules that should be applied to values. It supports coercion, input sanitization, custom types and localized error messages (with or without I18n gem). It's also used as the schema engine in dry-validation.

Organize your code into reusable components

Organize your code into reusable components

Predicate logic with rule composition

Typed structs and value objects

A mixin to add configuration functionality to your classes

Business Transaction Flow DSL

DSL for declaring params and options of the initializer

Common framework to build command line interfaces with Ruby

Common framework to build command line interfaces with Ruby

A simple, configurable object container implemented in Ruby

SchemaValidations extends ActiveRecord to automatically create validations by inspecting the database schema. This makes your models more DRY as you no longer need to duplicate NOT NULL, unique, numeric and varchar constraints on the model level.

A toolset of small support modules used throughout the dry-rb ecosystem