Module: VarBlock::GetvarHandlers

Extended by:
Support
Defined in:
lib/var_block/getvar_handlers.rb

Constant Summary collapse

SUPPORTED_OPTIONS = 
[:truthy?].freeze

Class Method Summary collapse

Methods included from Support

array_wrap

Class Method Details

.handle_default(value) ⇒ Object 



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# File 'lib/var_block/getvar_handlers.rb', line 47

def handle_default(value)
  value
end

.handle_proc(value, context) ⇒ Object 



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# File 'lib/var_block/getvar_handlers.rb', line 43

def handle_proc(value, context)
  context.instance_exec(&value)
end

.handle_var_array(value, context, options) ⇒ Object 



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# File 'lib/var_block/getvar_handlers.rb', line 11

def handle_var_array(value, context, options)
  # if :truthy?, we need to check each item in the array, and return false immediately if at least one is found to be not "truthy", else return true
  if options.any? && options.include?(:truthy?)
    is_truthy = true

    value.each do |v|
      if v.is_a? Proc
        is_truthy = handle_proc(v, context)
      else
        is_truthy = handle_default(v)
      end
      break unless is_truthy
    end

    return is_truthy

  # else, if no options, defaults to return as a wrapped Array
  else
    merged_values = []

    value.each do |v|
      if v.is_a? Proc
        merged_values = merged_values + array_wrap(handle_proc(v, context))
      else
        merged_values = merged_values + array_wrap(handle_default(v))
      end
    end

    return merged_values
  end
end