cloud_oadr-vtn/logger.js

'use strict';

const { loggerOptions, noAWS } = require('./config');

function TestLogger() {}

// intentionally disable logging during testing

TestLogger.prototype.info = () => undefined;
TestLogger.prototype.fatal = () => undefined;
TestLogger.prototype.warn = () => undefined;

// uncomment to see logs during tests

// // eslint-disable-next-line no-console
// TestLogger.prototype.info = () => console.log;
// // eslint-disable-next-line no-console
// TestLogger.prototype.fatal = () => console.error;
// // eslint-disable-next-line no-console
// TestLogger.prototype.warn = () => console.log;

// console logging when running outside AWS

function ConsoleLogger() {}

// eslint-disable-next-line no-console
ConsoleLogger.prototype.info = console.log;
// eslint-disable-next-line no-console
ConsoleLogger.prototype.fatal = console.error;
// eslint-disable-next-line no-console
ConsoleLogger.prototype.warn = console.log;

let logger;

switch (process.env.NODE_ENV) {
  case 'production':
  case 'development':
    if (noAWS === 'true') {
      logger = new ConsoleLogger();
    } else {
      logger = require('@hw/kinesis-logger')(loggerOptions);
    }
    break;
  default:
    logger = new TestLogger();
}

logger.info('Logger initialized');
module.exports = logger;