class GraphQL::Types::ISO8601Date

This scalar takes `Date`s and transmits them as strings, using ISO 8601 format.

Use it for fields or arguments as follows:

field :published_at, GraphQL::Types::ISO8601Date, null: false

argument :deliver_at, GraphQL::Types::ISO8601Date, null: false

Alternatively, use this built-in scalar as inspiration for your own Date type.

Public Class Methods

coerce_input(value, ctx) click to toggle source

@param str_value [String, Date, DateTime, Time] @return [Date]

# File lib/graphql/types/iso_8601_date.rb, line 26
def self.coerce_input(value, ctx)
  if value.is_a?(::Date)
    value
  elsif value.is_a?(::DateTime)
    value.to_date
  elsif value.is_a?(::Time)
    value.to_date
  else
    Date.iso8601(value)
  end
rescue ArgumentError, TypeError
  err = GraphQL::DateEncodingError.new(value)
  ctx.schema.type_error(err, ctx)
end
coerce_result(value, _ctx) click to toggle source

@param value [Date,Time,DateTime,String] @return [String]

# File lib/graphql/types/iso_8601_date.rb, line 20
def self.coerce_result(value, _ctx)
  Date.parse(value.to_s).iso8601
end