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Versions: 50
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Contents
# frozen_string_literal: true
module GraphQL
class Backtrace
module LegacyTracer
module_function
# Implement the {GraphQL::Tracing} API.
def trace(key, metadata)
case key
when "lex", "parse"
# No context here, don't have a query yet
nil
when "execute_multiplex", "analyze_multiplex"
# No query context yet
nil
when "validate", "analyze_query", "execute_query", "execute_query_lazy"
query = metadata[:query] || metadata[:queries].first
push_data = query
multiplex = query.multiplex
when "execute_field", "execute_field_lazy"
# The interpreter passes `query:`, legacy passes `context:`
context = metadata[:context] || ((q = metadata[:query]) && q.context)
push_data = context
multiplex = context.query.multiplex
else
# Custom key, no backtrace data for this
nil
end
if push_data
multiplex.context[:last_graphql_backtrace_context] = push_data
end
if key == "execute_multiplex"
begin
yield
rescue StandardError => err
# This is an unhandled error from execution,
# Re-raise it with a GraphQL trace.
potential_context = metadata[:multiplex].context[:last_graphql_backtrace_context]
if potential_context.is_a?(GraphQL::Query::Context) || potential_context.is_a?(GraphQL::Query::Context::FieldResolutionContext)
raise TracedError.new(err, potential_context)
else
raise
end
ensure
metadata[:multiplex].context.delete(:last_graphql_backtrace_context)
end
else
yield
end
end
end
end
end
Version data entries
50 entries across 50 versions & 2 rubygems