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# frozen_string_literal: true
module Graphql
class Arguments
delegate :blank?, :empty?, to: :to_h
def initialize(values)
@values = values
end
def to_h
@values
end
def ==(other)
to_h == other&.to_h
end
alias_method :eql, :==
def to_s
return '' if empty?
@values.map do |name, value|
value_str = as_graphql_literal(value)
"#{GraphqlHelpers.fieldnamerize(name.to_s)}: #{value_str}"
end.join(", ")
end
def as_graphql_literal(value)
self.class.as_graphql_literal(value)
end
# Transform values to GraphQL literal arguments.
# Use symbol for Enum values
def self.as_graphql_literal(value)
case value
when ::Graphql::Arguments then "{#{value}}"
when Array then "[#{value.map { |v| as_graphql_literal(v) }.join(',')}]"
when Hash then "{#{new(value)}}"
when Integer, Float, Symbol then value.to_s
when String, GlobalID then "\"#{value.to_s.gsub(/"/, '\\"')}\""
when Time, Date then "\"#{value.iso8601}\""
when NilClass then 'null'
when true then 'true'
when false then 'false'
else
value.to_graphql_value
end
rescue NoMethodError
raise ArgumentError, "Cannot represent #{value} (instance of #{value.class}) as GraphQL literal"
end
def merge(other)
self.class.new(@values.merge(other.to_h))
end
def +(other)
if blank?
other
elsif other.blank?
self
elsif other.is_a?(String)
[to_s, other].compact.join(', ')
else
merge(other)
end
end
end
end
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