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