logger library Null safety

Small, easy to use and extensible logger which prints beautiful logs.

Classes

AnsiColor
This class handles colorizing of terminal output.
ConsoleOutput
Default implementation of LogOutput.
DevelopmentFilter
Prints all logs with level >= Logger.level while in development mode (eg when asserts are evaluated, Flutter calls this debug mode).
HybridPrinter
A decorator for a LogPrinter that allows for the composition of different printers to handle different log messages. Provide it's constructor with a base printer, but include named parameters for any levels that have a different printer:
LogEvent
LogFilter
An abstract filter of log messages.
LogfmtPrinter
Outputs a logfmt message:
Logger
Use instances of logger to send log messages to the LogPrinter.
LogOutput
Log output receives a OutputEvent from LogPrinter and sends it to the desired destination.
LogPrinter
An abstract handler of log events.
MemoryOutput
Buffers OutputEvents.
MultiOutput
Logs simultaneously to multiple LogOutput outputs.
OutputEvent
PrefixPrinter
A decorator for a LogPrinter that allows for the prepending of every line in the log output with a string for the level of that log. For example:
PrettyPrinter
Default implementation of LogPrinter.
ProductionFilter
Prints all logs with level >= Logger.level even in production.
SimplePrinter
Outputs simple log messages:
StreamOutput

Enums

Level
Levels to control logging output. Logging can be enabled to include all levels above certain Level.

Typedefs

LogCallback = void Function(LogEvent event)
@Deprecated('Use a custom LogFilter instead')
OutputCallback = void Function(OutputEvent event)
@Deprecated('Use a custom LogOutput instead')