Module: Mongory::Utils

Included in:
Matchers::AbstractMatcher, QueryBuilder
Defined in:
lib/mongory/utils.rb,
lib/mongory/utils/context.rb,
lib/mongory/utils/debugger.rb,
lib/mongory/utils/rails_patch.rb,
lib/mongory/utils/singleton_builder.rb

Overview

Utility helpers shared across Mongory internals.

Includes blank checking, present checking, and class-level instance method caching.

Defined Under Namespace

Modules: ClassMethods, RailsPatch Classes: Context, Debugger, SingletonBuilder

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object

When included, also extends the including class with ClassMethods. And record which class include this module.

Parameters:

  • base (Class, Module) 


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# File 'lib/mongory/utils.rb', line 18

def self.included(base)
  base.extend(ClassMethods)
  super
  included_classes << base
end

.included_classes ⇒ Array

Where to record classes that include Utils.

Returns:

  • (Array) 


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# File 'lib/mongory/utils.rb', line 27

def self.included_classes
  @included_classes ||= []
end

Instance Method Details

#is_blank?(obj) ⇒ Boolean

Determines whether an object is considered "blank". Nil, false, empty string/array/hash are blank.

Parameters:

  • obj (Object)

Returns:

  • (Boolean) 


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# File 'lib/mongory/utils.rb', line 45

def is_blank?(obj)
  case obj
  when false, nil
    true
  when Hash, Array, String
    obj.empty?
  else
    false
  end
end

#is_present?(obj) ⇒ Boolean

Checks if an object is "present". Inverse of #is_blank?.

Parameters:

  • obj (Object)

Returns:

  • (Boolean) 


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# File 'lib/mongory/utils.rb', line 36

def is_present?(obj)
  !is_blank?(obj)
end