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# frozen_string_literal: true
require 'forwardable'
require 'logger'
require 'faraday/logging/formatter'
module Faraday
class Response
# Logger is a middleware that logs internal events in the HTTP request
# lifecycle to a given Logger object. By default, this logs to STDOUT. See
# Faraday::Logging::Formatter to see specifically what is logged.
class Logger < Middleware
DEFAULT_OPTIONS = { formatter: Logging::Formatter }.merge(Logging::Formatter::DEFAULT_OPTIONS).freeze
def initialize(app, logger = nil, options = {})
super(app, options)
logger ||= ::Logger.new($stdout)
formatter_class = @options.delete(:formatter)
@formatter = formatter_class.new(logger: logger, options: @options)
yield @formatter if block_given?
end
def call(env)
@formatter.request(env)
super
end
def on_complete(env)
@formatter.response(env)
end
def on_error(exc)
@formatter.exception(exc) if @formatter.respond_to?(:exception)
end
end
end
end
Faraday::Response.register_middleware(logger: Faraday::Response::Logger)
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