Class: GraphQL::Backtrace

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Enumerable
Defined in:
lib/graphql/backtrace.rb,
lib/graphql/backtrace/table.rb,
lib/graphql/backtrace/tracer.rb,
lib/graphql/backtrace/traced_error.rb,
lib/graphql/backtrace/inspect_result.rb

Overview

Wrap unhandled errors with TracedError.

TracedError provides a GraphQL backtrace with arguments and return values. The underlying error is available as TracedError#cause.

WARNING: Backtrace.enable is not threadsafe because Tracing.install is not threadsafe.

Examples:

toggling backtrace annotation

# to enable:
GraphQL::Backtrace.enable
# later, to disable:
GraphQL::Backtrace.disable

Defined Under Namespace

Modules: InspectResult, Tracer Classes: Table, TracedError

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context, value: nil) ⇒ Backtrace

Returns a new instance of Backtrace.



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# File 'lib/graphql/backtrace.rb', line 41

def initialize(context, value: nil)
  @table = Table.new(context, value: value)
end

Class Method Details

.disable ⇒ Object 



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# File 'lib/graphql/backtrace.rb', line 32

def self.disable
  GraphQL::Tracing.uninstall(Backtrace::Tracer)
  nil
end

.enable ⇒ Object 



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# File 'lib/graphql/backtrace.rb', line 26

def self.enable
  warn("GraphQL::Backtrace.enable is deprecated, add `use GraphQL::Backtrace` to your schema definition instead.")
  GraphQL::Tracing.install(Backtrace::Tracer)
  nil
end

.use(schema_defn) ⇒ Object 



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# File 'lib/graphql/backtrace.rb', line 37

def self.use(schema_defn)
  schema_defn.tracer(self::Tracer)
end

Instance Method Details

#inspect ⇒ Object Also known as: to_s 



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# File 'lib/graphql/backtrace.rb', line 45

def inspect
  @table.to_table
end

#to_a ⇒ Object 



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# File 'lib/graphql/backtrace.rb', line 51

def to_a
  @table.to_backtrace
end