composite_logger.cr

Logger interface to write to multiple loggers for Crystal.

logger = CompositeLogger.new(loggers)
logger.info("hello")
# => (stdout) "hello"
# => (a file) "hello"

Installation

Add this to your application's shard.yml:

dependencies:
  composite_logger:
    github: maiha/composite_logger.cr
    version: 0.2.0

Usage

require "composite_logger"

logging to both File and STDOUT

loggers = [
  Logger.new(STDOUT),
  Logger.new(File.open("app.log")),
]
logger = CompositeLogger.new(loggers)
logger.info("hello")

in memory logging

memory: option provides a handy in-memory logging.

loggers = [Logger.new(STDOUT)]
logger = CompositeLogger.new(loggers, memory: Logger::ERROR)
...
unless logger.memory.to_s.empty?
  STDERR.puts "Some errors occurred while running program."
  exit -1
end

Contributing

1. Fork it (https://github.com/maiha/composite_logger.cr/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• maiha(https://github.com/maiha) maiha - creator, maintainer