Module: Nanoc::Int::ContractsSupport Private

Included in:
Nanoc::Identifier, CodeSnippet, Configuration, Content, Document, IdentifiableCollection, ItemRep, LazyValue, Pattern, RuleMemory, Site, SnapshotDef
Defined in:
lib/nanoc/base/contracts_support.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Defined Under Namespace

Modules: DisabledContracts, EnabledContracts Classes: Ignorer

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/nanoc/base/contracts_support.rb', line 37

def self.included(base)
  contracts_loadable =
    begin
      require 'contracts'
      true
    rescue LoadError
      false
    end

  should_enable = contracts_loadable && !ENV.key?('DISABLE_CONTRACTS')

  if should_enable
    unless base.include?(::Contracts::Core)
      base.include(::Contracts::Core)
      base.extend(EnabledContracts)
      base.const_set('C', ::Contracts)
    end
  else
    base.extend(DisabledContracts)
    base.const_set('C', DisabledContracts)
  end
end