class GraphQL::Types::ISO8601DateTime

own DateTime type.
Alternatively, use this built-in scalar as inspiration for your
argument :deliver_at, GraphQL::Types::ISO8601DateTime, null: false
field :created_at, GraphQL::Types::ISO8601DateTime, null: false
Use it for fields or arguments as follows:
using ISO 8601 format.
This scalar takes ‘DateTime`s and transmits them as strings,

def self.coerce_input(str_value, _ctx)

Returns:
  • (DateTime) -

Parameters:
  • str_value (String) -- 
def self.coerce_input(str_value, _ctx)
  DateTime.iso8601(str_value)
rescue ArgumentError
  # Invalid input
  nil
end

def self.coerce_result(value, _ctx)\

Returns:
  • (String) -

Parameters:
  • value (Date, DateTime, String) -- 
def self.coerce_result(value, _ctx)\
  case value
  when DateTime
    return value.iso8601(time_precision)
  when Date
    return DateTime.parse(value.to_s).iso8601(time_precision)
  when ::String
    return DateTime.parse(value).iso8601(time_precision)
  else
    # In case some other API-compliant thing is given: 
    return value.iso8601(time_precision)
  end 
rescue StandardError => error
  raise GraphQL::Error, "An incompatible object (#{value.class}) was given to #{self}. Make sure that only Dates, DateTimes, and well-formatted Strings are used with this type. (#{error.message})"
end

def self.time_precision

Returns:
  • (Integer) - 
def self.time_precision
  @time_precision || DEFAULT_TIME_PRECISION
end

def self.time_precision=(value)

Parameters:
  • value (Integer) -- 
def self.time_precision=(value)
  @time_precision = value
end