Contents

# frozen_string_literal: true

module TinyFilter
  class Base
    class << self

      def filters(key, &block)
        key = key.to_sym
        raise AlreadyDefinedError, "filter :#{key} defined more than once in #{self}" if __filters__.key?(key)

        __filters__[key] = block
      end

      def filter(base_scope, args = {})
        args.inject(base_scope) do |scope, (key, value)|
          key = key.to_sym
          raise NotDefinedError, "unable to find filter :#{key} in #{self}" unless __filters__.key?(key)

          __filters__[key].call(scope, value)
        end
      end

      private

      def __filters__
        @__filters__ ||= {}
      end

    end

  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
tiny_filter-0.1.1	lib/tiny_filter/base.rb
tiny_filter-0.1.0	lib/tiny_filter/base.rb