Contents

# frozen_string_literal: true

require 'dry-types'
require 'atacama/version'
require 'atacama/contract'
require 'atacama/transaction'
require 'atacama/step'

module Atacama
  OptionTypeMismatchError = Class.new(StandardError)
  ReturnTypeMismatchError = Class.new(StandardError)
  ResultTypeMismatchError = Class.new(StandardError)

  # Execute a type check, catch and yield if theres an error.
  #
  # @yields [Exception] the caught type error
  #
  # @param type [Dry::Types?] type to check
  # @param value [Object] object to execute with
  def self.check(type, value)
    type && type[value]
    nil
  rescue Dry::Types::ConstraintError => exception
    yield exception
  end

  # Generate more human readable error messages for type errors.
  #
  # @param klass [Class] the class dispatching the exception
  # @param exception [Dry::Types::]
  def self.format_exception(klass, exception, description)
    [
      '',
      '',
      'Source:',
      "  #{klass}",
      '',
      'Description:',
      "  #{description}",
      '',
      'Error:',
      "  The value #{exception.input.inspect} failed the following test: #{exception.result}",
      ''
    ].join("\n")
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
atacama-0.2.2	lib/atacama.rb
atacama-0.2.1	lib/atacama.rb
atacama-0.2.0	lib/atacama.rb
atacama-0.1.11	lib/atacama.rb
atacama-0.1.10	lib/atacama.rb