vit_logger

Description:

vit logger

This is a simple library to log events with colorful terminal outputs and stop watch class to measure performance across your application.
Usage #
import 'package:vit_logger/vit_logger.dart';

void main() async {
var logger = TerminalLogger();
logger.info('This is a informational message'); // "This is a informational message" in the green
logger.warn('This is a warning message'); // "This is a warning message" in yellow
logger.error('This is a error message'); // "This is a error message" in red
logger.debug('This is a debug message'); // "This is a debug message" in magenta
var otherLogger = TerminalLogger(
timestampMode: TimestampMode.timeIso,
);
otherLogger.info('this is a message with a timestamp'); // 16:57:11.00 this is a message with a timestamp
var stopWatch = VitStopWatch('MyEvent');
await Future.delayed(const Duration(milliseconds: 200));
stopWatch.lap(tag: 'FETCHED'); // MyEvent [FETCHED] (204ms)
await Future.delayed(const Duration(milliseconds: 800));
stopWatch.stop(); // MyEvent (1008ms)

VitLogger.eventMatcher.patterns = [RegExp(r'Home(:.*)?')];

var loginLogger = TerminalLogger(
event: 'Login',
);
loginLogger.info('This is not printed because event was filtered');

var homeLogger = TerminalLogger(
event: 'Home',
);
homeLogger.info('This is a "Home" message');

var homeMenuLogger = TerminalLogger(
event: 'Home:Menu',
);
homeMenuLogger.info('This is a "Home:Menu" message');
}

copied to clipboard

Features #
BaseLogger #
Base abstract class to implement any logger. This class makes use of VitLogger.eventMatcher for
event filtering.
TerminalLogger #
The default logger. This logger uses the terminal to print colorful messages.
VitStopWatch #
Class to help debug methods that take some time to complete or that could take some time.
Common issues #
TerminalLogger prints strange characters on IOS #
This is a open flutter Github Issue
To fix this, either disable colors on TerminalLogger:
TerminalLogger.disableColorfulOutput = false;
copied to clipboard
Or use another printer inside TerminalLogger:
TerminalLogger.printer = TerminalPrinter.developerLog;
copied to clipboard