Class: StrongerParameters::ArrayConstraint

Inherits:
Constraint
  • Object
show all
Defined in:
lib/stronger_parameters/constraints/array_constraint.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Constraint

#&, #required, #required?, #|

Constructor Details

#initialize(item_constraint) ⇒ ArrayConstraint

Returns a new instance of ArrayConstraint.



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# File 'lib/stronger_parameters/constraints/array_constraint.rb', line 9

def initialize(item_constraint)
  @item_constraint = item_constraint
end

Instance Attribute Details

#item_constraint ⇒ Object (readonly)

Returns the value of attribute item_constraint.



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# File 'lib/stronger_parameters/constraints/array_constraint.rb', line 7

def item_constraint
  @item_constraint
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/stronger_parameters/constraints/array_constraint.rb', line 26

def ==(other)
  super && item_constraint == other.item_constraint
end

#value(v) ⇒ Object 



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# File 'lib/stronger_parameters/constraints/array_constraint.rb', line 13

def value(v)
  if v.is_a?(Array)
    return v.map do |item|
      result = item_constraint.value(item)
      return result if result.is_a?(InvalidValue)

      result
    end
  end

  InvalidValue.new(v, "must be an array")
end