1.0.4 • Published 5 years ago
labelled-logger v1.0.4
labelled-logger
Features:
- colored log labels
- log levels
- nicely displayed
- printf-like message formatting
- configurable and customizable
Table of Contents
Usage
const LoggerFactory = require('labelled-logger');
const colors = require('labelled-logger').colors;
const labelsData = [
{
label: 'prepare',
color: colors.GREEN
},
{
label: 'parse',
color: colors.PURPLE
},
{
label: 'extract',
color: colors.BLUE
},
{
label: 'compute',
color: colors.RED
},
{
label: 'create',
color: colors.YELLOW
}
];
const levelsData = [
{ value: 0 }, { value: 1 }, { value: 2 }, { value: 3 }
];
const logger = LoggerFactory.createLogger(labelsData, levelsData);
logger.setLevel(1); // everything below or equal level 1 will be printed
logger.setExpandObjects(true); // objects and lists will be printed entirely
logger.disable(); // don't log anything
logger.enable('create', 'compute'); // log only create and compute labels
logger.enable(); // log all labels
// log messages in your code
// logger.log(<level>, <label>, <message>, ...<variables>)
logger.log(0, 'prepare', 'reading file');
/* ... */
logger.log(1, 'prepare', '%d lines read', lines);
/* ... */
logger.log(1, 'parse', 'parsed file, parsed returned %s', ret);