winston transport for Prometheus

Exported metrics

name	metrics type	label
winston_events_total	counter	level

e.g.

# HELP winston_events_total Number of logging events that made it to the logs
# TYPE winston_events_total counter
winston_events_total{level="info"} 3

Usage

winston-transport-prometheus can be used in the same way as the winston's standard transports.

*Please refer to the examples directory for more details

e.g.

import winston from 'winston';
import { PrometheusTransport } from '@matsumana/winston-transport-prometheus';

const logger = winston.createLogger({
    level: 'info',
    format: winston.format.simple(),
    transports: [new winston.transports.Console(), new PrometheusTransport()],
});

PrometheusTransport's options as follows.

const myRegister = new Registry();
const prometheusTransport = new PrometheusTransport({ register: myRegister });
const logger = winston.createLogger({
    level: 'info',
    format: winston.format.simple(),
    transports: [new winston.transports.Console(), prometheusTransport],
});

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How to run the commands for test and build

fix source files using prettier and eslint

$ yarn fix

run lint using prettier and eslint

$ yarn lint

run tests

$ yarn test

build

$ yarn build