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Versions: 38
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Contents
module GraphQL
class Query
class Executor
# @return [GraphQL::Query] the query being executed
attr_reader :query
def initialize(query)
@query = query
end
# Evalute {operation_name} on {query}.
# Handle {GraphQL::ExecutionError}s by putting them in the "errors" key.
# @return [Hash] A GraphQL response, with either a "data" key or an "errors" key
def result
execute
rescue GraphQL::ExecutionError => err
query.context.errors << err
{"errors" => [err.to_h]}
end
private
def execute
operation = query.selected_operation
return {} if operation.nil?
op_type = operation.operation_type
root_type = query.schema.root_type_for_operation(op_type)
execution_strategy_class = query.schema.execution_strategy_for_operation(op_type)
execution_strategy = execution_strategy_class.new
query.context.execution_strategy = execution_strategy
data_result = execution_strategy.execute(operation, root_type, query)
result = { "data" => data_result }
error_result = query.context.errors.map(&:to_h)
if error_result.any?
result["errors"] = error_result
end
result
end
end
end
end
Version data entries
38 entries across 38 versions & 1 rubygems