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Contents
# frozen_string_literal: true
require "pakyow/support/extension"
module Pakyow
module Behavior
# Lets an app to be rescued from errors encountered during boot. Once rescued,
# an app returns a 500 response with the error that caused it to fail.
#
module Rescuing
extend Support::Extension
# Error the app was rescued from.
#
attr_reader :rescued
# Returns true if the app has been rescued.
#
def rescued?
instance_variable_defined?(:@rescued) && !!@rescued
end
private
# Enters rescue mode after logging the error.
#
def rescue!(error)
@rescued = error
performing :rescue do
Pakyow.logger.error(error)
message = <<~ERROR
#{self.class} failed to initialize.
#{error.message}
#{error.backtrace.join("\n")}
ERROR
# Override call to always return an errored response.
#
define_singleton_method :call do |connection|
connection.status = 500
connection.body = StringIO.new(message)
connection.halt
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems