Class: Vident::StimulusCollectionBase

Inherits:
Object
  • Object
show all
Defined in:
lib/vident/stimulus_collection_base.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(items = []) ⇒ StimulusCollectionBase

Returns a new instance of StimulusCollectionBase.



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# File 'lib/vident/stimulus_collection_base.rb', line 5

def initialize(items = [])
  @items = Array(items).flatten.compact
end

Class Method Details

.merge(*collections) ⇒ Object 



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# File 'lib/vident/stimulus_collection_base.rb', line 46

def self.merge(*collections)
  return new if collections.empty?

  first_collection = collections.first
  return first_collection if collections.size == 1

  first_collection.merge(*collections[1..-1])
end

Instance Method Details

#<<(item) ⇒ Object 



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# File 'lib/vident/stimulus_collection_base.rb', line 9

def <<(item)
  @items << item
  self
end

#any? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vident/stimulus_collection_base.rb', line 30

def any?
  !empty?
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vident/stimulus_collection_base.rb', line 26

def empty?
  @items.empty?
end

#merge(*other_collections) ⇒ Object 



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# File 'lib/vident/stimulus_collection_base.rb', line 34

def merge(*other_collections)
  merged = self.class.new
  merged.instance_variable_set(:@items, @items.dup)

  other_collections.each do |collection|
    next unless collection.is_a?(self.class)
    merged.instance_variable_get(:@items).concat(collection.instance_variable_get(:@items))
  end

  merged
end

#to_a ⇒ Object 



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# File 'lib/vident/stimulus_collection_base.rb', line 18

def to_a
  @items.dup
end

#to_h ⇒ Object

Raises:

  • (NoMethodError) 


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# File 'lib/vident/stimulus_collection_base.rb', line 14

def to_h
  raise NoMethodError, "Subclasses must implement to_h"
end

#to_hash ⇒ Object 



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# File 'lib/vident/stimulus_collection_base.rb', line 22

def to_hash
  to_h
end