Futurely Logger

npm init --scope=futurely npm publish --access public

A universal logger using winston

Install

npm i futurely-nodejs-logger

Usage

Parameter-based logging

const log = require("futurely-nodejs-logger");
log.setContext("TEST");
log.setRequestId("TestId");
log.info("Use a helper method if you want", {
  additional: "properties",
  are: "passed along",
});
// {
//   "context": "TEST",
//   "requestId": "TestId",
//   "additional": "properties",
//   "are": "passed along",
//   "level": "info",
//   "message": "Use a helper method if you want",
//   "timestamp": "2019-09-10T15:52:23.625Z"
// }

Error logging

const log = require("futurely-nodejs-logger");
log.setContext("TEST");
log.setRequestId("TestId");
const err = new Error("Oops. There was an error");
const { message, name, ...rest } = err;
const error = { message, name, ...rest };
log.error("Something went wrong", { error });
// {
//   "context": "TEST",
//   "requestId": "TestId",
//   "error": { "message": "Oops. There was an error", "name": "Error" },
//   "level": "error",
//   "message": "Something went wrong",
//   "timestamp": "2019-09-10T16:10:17.408Z"
// }

Logger API

Logs can be written by invoking the log method.

const log = require("futurely-nodejs-logger");
log.setContext("TEST");
log.setRequestId("TestId");
log.log("info", "Use a helper method if you want", {
  additional: "properties",
  are: "passed along",
});
// {
//   "context": "TEST",
//   "requestId": "TestId",
//   "additional": "properties",
//   "are": "passed along",
//   "level": "info",
//   "message": "Use a helper method if you want",
//   "timestamp": "2019-09-10T15:52:23.625Z"
// }

Logger method aliases

log.error(message[, meta]);
log.warn(message[, meta]);
log.info(message[, meta]);
log.verbose(message[, meta]);
log.debug(message[, meta]);
log.silly(message[, meta]);

https://zellwk.com/blog/publish-to-npm/