Remove all Ruby code from the gem (#230)

hanami-controller now implements its params validation entirely internally, meaning this gem now exists only to manage the dependency on dry-validation.

hanami-validations.gemspec

@@ -21,7 +21,6 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = ">= 3.1"
 
   spec.add_dependency "dry-validation", ">= 1.10", "< 2"
-  spec.add_dependency "zeitwerk", "~> 2.6.0"
 
   spec.add_development_dependency "bundler", ">= 1.6", "< 3"
   spec.add_development_dependency "rake",    "~> 13"

lib/hanami/validations.rb

@@ -1,109 +1,13 @@
 # frozen_string_literal: true
 
 require "dry/validation"
-require "delegate"
-require "zeitwerk"
 
 # @see Hanami::Validations
 # @since 0.1.0
 module Hanami
   # @since 0.1.0
   # @api private
   module Validations
-    # @since 2.0.0
-    # @api private
-    def self.gem_loader
-      @gem_loader ||= Zeitwerk::Loader.new.tap do |loader|
-        root = File.expand_path("..", __dir__)
-        loader.tag = "hanami-validations"
-        loader.inflector = Zeitwerk::GemInflector.new("#{root}/hanami-validations.rb")
-        loader.push_dir(root)
-        loader.ignore(
-          "#{root}/hanami-validations.rb",
-          "#{root}/hanami/validations/version.rb"
-        )
-      end
-    end
-
-    gem_loader.setup
     require_relative "validations/version"
-
-    # @since 0.1.0
-    # @api private
-    def self.included(klass)
-      super
-      klass.extend(ClassMethods)
-    end
-
-    # @since 2.0.0
-    # @api private
-    class Result < SimpleDelegator
-      # @since 2.0.0
-      # @api private
-      def output
-        __getobj__.to_h
-      end
-
-      # @since 2.0.0
-      # @api private
-      def messages
-        __getobj__.errors.to_h
-      end
-    end
-
-    # Validations DSL
-    #
-    # @since 0.1.0
-    # @api private
-    module ClassMethods
-      # Define validation rules from the given block.
-      #
-      # @param blk [Proc] validation rules
-      #
-      # @since 0.6.0
-      # @api private
-      def validations(&blk)
-        @_validator = Dry::Validation::Contract.build { schema(&blk) }
-      end
-
-      # @since 2.0.0
-      # @api private
-      def _validator
-        @_validator
-      end
-    end
-
-    # Initialize a new instance of a validator
-    #
-    # @param input [#to_h] a set of input data
-    #
-    # @since 0.6.0
-    # @api private
-    def initialize(input)
-      @input = input
-    end
-
-    # Validates the object.
-    #
-    # @return [Hanami::Validations::Result]
-    #
-    # @since 0.2.4
-    # @api private
-    def validate
-      Result.new(
-        self.class._validator.call(@input)
-      )
-    end
-
-    # Returns a Hash with the defined attributes as symbolized keys, and their
-    # relative values.
-    #
-    # @return [Hash]
-    #
-    # @since 0.1.0
-    # @api private
-    def to_h
-      validate.to_h
-    end
   end
 end