Module: Granite::Util

Extended by:

ActiveSupport::Concern

Included in:

Base

Defined in:

lib/granite/util.rb

Instance Method Summary

• #conditions_satisfied?(**options) ⇒ Boolean

  Evaluates ‘if` or `unless` conditions present in the supplied `options` being it a symbol or callable.

• #evaluate(value) ⇒ Object

  Evaluates value and returns result based on what was passed: - if Proc was passed, then executes it in context of self - if Symbol was passed, then calls a method with that name and returns result - otherwise just returns the value itself.

Instance Method Details

#conditions_satisfied?(**options) ⇒ Boolean

Evaluates ‘if` or `unless` conditions present in the supplied `options` being it a symbol or callable.

Parameters:

• options (Hash) —

  The method options to evaluate.

Options Hash (**options):

• :if (Object) —

  method name or callable

• :unless (Object) —

  method name or callable

Returns:

• (Boolean) —

  whether conditions are satisfied

# File 'lib/granite/util.rb', line 29

def conditions_satisfied?(**options)
  fail ArgumentError, 'You cannot specify both if and unless' if options.key?(:if) && options.key?(:unless)

  if options.key?(:if)
    evaluate(options[:if])
  elsif options.key?(:unless)
    !evaluate(options[:unless])
  else
    true
  end
end

#evaluate(value) ⇒ Object

Evaluates value and returns result based on what was passed:

• if Proc was passed, then executes it in context of self

• if Symbol was passed, then calls a method with that name and returns result

• otherwise just returns the value itself

Parameters:

• value (Object) —

  value to evaluate

Returns:

• (Object) —

  result of evaluation

# File 'lib/granite/util.rb', line 11

def evaluate(value)
  case value
  when Proc
    evaluate_proc(value)
  when Symbol
    evaluate_symbol(value)
  else
    value
  end
end