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# frozen_string_literal: true
require "graphql/backtrace/inspect_result"
require "graphql/backtrace/table"
require "graphql/backtrace/traced_error"
require "graphql/backtrace/tracer"
require "graphql/backtrace/trace"
module GraphQL
# Wrap unhandled errors with {TracedError}.
#
# {TracedError} provides a GraphQL backtrace with arguments and return values.
# The underlying error is available as {TracedError#cause}.
#
# @example toggling backtrace annotation
# class MySchema < GraphQL::Schema
# if Rails.env.development? || Rails.env.test?
# use GraphQL::Backtrace
# end
# end
#
class Backtrace
include Enumerable
extend Forwardable
def_delegators :to_a, :each, :[]
def self.use(schema_defn)
schema_defn.trace_with(self::Trace)
end
def initialize(context, value: nil)
@table = Table.new(context, value: value)
end
def inspect
@table.to_table
end
alias :to_s :inspect
def to_a
@table.to_backtrace
end
# Used for internal bookkeeping
# @api private
class Frame
attr_reader :path, :query, :ast_node, :object, :field, :arguments, :parent_frame
def initialize(path:, query:, ast_node:, object:, field:, arguments:, parent_frame:)
@path = path
@query = query
@ast_node = ast_node
@field = field
@object = object
@arguments = arguments
@parent_frame = parent_frame
end
end
end
end
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