Class: StrongJSON::Type::Object

Inherits:
Object
  • Object
show all
Defined in:
lib/strong_json/type.rb

Instance Method Summary collapse

Constructor Details

#initialize(fields) ⇒ Object

Returns a new instance of Object.



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# File 'lib/strong_json/type.rb', line 78

def initialize(fields)
  @fields = fields
end

Instance Method Details

#coerce(object, path: []) ⇒ Object 



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# File 'lib/strong_json/type.rb', line 82

def coerce(object, path: [])
  unless object.is_a?(Hash)
    raise Error.new(path: path, type: self, value: object)
  end

  result = {}

  @fields.each do |name, ty|
    value = ty.coerce(object.has_key?(name) ? object[name] : NONE, path: path + [name])
    result[name] = value if object.has_key?(name)
  end

  result
end

#except(*keys) ⇒ Object 



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# File 'lib/strong_json/type.rb', line 105

def except(*keys)
  Object.new(keys.each.with_object(@fields.dup) do |key, hash|
               hash.delete key
             end)
end

#merge(fields) ⇒ Object 



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# File 'lib/strong_json/type.rb', line 97

def merge(fields)
  if fields.is_a?(Object)
    fields = Object.instance_variable_get("@fields")
  end

  Object.new(@fields.merge(fields))
end

#to_s ⇒ Object 



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# File 'lib/strong_json/type.rb', line 111

def to_s
  fields = []

  @fields.each do |name, type|
    fields << "#{name}: #{type}"
  end

  "object(#{fields.join(', ')})"
end