Whether to print a backtrace along with the warning.
Returns the current behavior or if one isn't set, defaults to
:stderr
.
# File lib/active_support/deprecation/behaviors.rb, line 46 def behavior @behavior ||= [DEFAULT_BEHAVIORS[:stderr]] end
Sets the behavior to the specified value. Can be a single value, array, or
an object that responds to call
.
Available behaviors:
raise
Raise ActiveSupport::DeprecationException
.
stderr
Log all deprecation warnings to +$stderr+.
log
Log all deprecation warnings to Rails.logger
.
notify
Use +ActiveSupport::Notifications+ to notify
deprecation.rails
.
silence
Do nothing.
Setting behaviors only affects deprecations that happen after boot time. Deprecation warnings raised by gems are not affected by this setting because they happen before Rails boots up.
ActiveSupport::Deprecation.behavior = :stderr ActiveSupport::Deprecation.behavior = [:stderr, :log] ActiveSupport::Deprecation.behavior = MyCustomHandler ActiveSupport::Deprecation.behavior = ->(message, callstack) { # custom stuff }
# File lib/active_support/deprecation/behaviors.rb, line 71 def behavior=(behavior) @behavior = Array(behavior).map { |b| DEFAULT_BEHAVIORS[b] || b } end