Class: ConvenientService::Utils::Module::GetNamespace Private

Inherits:
Support::Command show all
Defined in:
lib/convenient_service/utils/module/get_namespace.rb

Overview

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

Returns parent namespace of class or module.

Examples:

Common usage.

module Foo
  module Bar
    class Baz
    end
  end
end

ConvenientService::Utils::Module::GetNamespace.call(Foo)
# => nil

ConvenientService::Utils::Module::GetNamespace.call(Foo::Bar)
# => Foo

ConvenientService::Utils::Module::GetNamespace.call(Foo::Bar::Baz)
# => Foo::Bar

ConvenientService::Utils::Module::GetNamespace.call(Module.new)
# => nil

Since:

  • 1.0.0

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Support::Command

[], call

Constructor Details

#initialize(mod) ⇒ void

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.

Parameters:

Since:

  • 1.0.0



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# File 'lib/convenient_service/utils/module/get_namespace.rb', line 48

def initialize(mod)
  @mod = mod
end

Instance Attribute Details

#mod ⇒ Object (readonly)

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.

Since:

  • 1.0.0



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# File 'lib/convenient_service/utils/module/get_namespace.rb', line 42

def mod
  @mod
end

Instance Method Details

#call ⇒ Module, ...

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.

Returns:

Raises:

Since:

  • 1.0.0



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# File 'lib/convenient_service/utils/module/get_namespace.rb', line 56

def call
  return unless mod.name
  return unless mod.name.include?("::")

  namespace_name = mod.name.split("::")[0..-2].join("::")

  begin
    ::Object.const_get(namespace_name, false)
  rescue ::NameError
    ::ConvenientService.raise Exceptions::NestingUnderAnonymousNamespace.new(mod: mod, namespace: namespace_name)
  end
end