2015-03-10 01:00:37 -04:00
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module ActiveSupport
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# Wrapping an array in an +ArrayInquirer+ gives a friendlier way to check
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# its string-like contents:
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#
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# variants = ActiveSupport::ArrayInquirer.new([:phone, :tablet])
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#
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# variants.phone? # => true
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# variants.tablet? # => true
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# variants.desktop? # => false
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class ArrayInquirer < Array
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2015-05-21 14:26:41 -04:00
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# Passes each element of +candidates+ collection to ArrayInquirer collection.
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# The method returns true if at least one element is the same. If +candidates+
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# collection is not given, method returns true.
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#
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# variants = ActiveSupport::ArrayInquirer.new([:phone, :tablet])
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#
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# variants.any? # => true
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# variants.any?(:phone, :tablet) # => true
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# variants.any?('phone', 'desktop') # => true
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# variants.any?(:desktop, :watch) # => false
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2015-03-10 01:00:37 -04:00
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def any?(*candidates, &block)
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if candidates.none?
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super
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else
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candidates.any? do |candidate|
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2015-08-28 16:00:48 -04:00
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include?(candidate.to_sym) || include?(candidate.to_s)
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2015-03-10 01:00:37 -04:00
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end
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end
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end
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private
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def respond_to_missing?(name, include_private = false)
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name[-1] == '?'
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end
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def method_missing(name, *args)
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if name[-1] == '?'
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any?(name[0..-2])
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else
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super
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end
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end
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end
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end
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