@zebpay/colt/factory/LoggerFactory.js

LoggerSDK for Microservices with multiple adapters eg: Pino, Winston, Bunyan with support for [Mapped Diagnostics Context](http://logback.qos.ch/manual/mdc.html).

const PinoAdapter    = require('../adapters/PinoAdapter');
const BunyanAdapter  = require('../adapters/BunyanAdapter');
const WinstonAdapter = require('../adapters/WinstonAdapter');

/**
 * @class LoggerFactory
 * @abstract
 * @classdesc LoggerFactory creates the instance of the adapter based on configurations.
 */

class LoggerFactory {
  /**
   * Gets the instances of the adapter for defined scope
   * @static
   * @param {('pino'|'winston'|'bunyan')} adapterName - name of adapter to be used for logging
   * @param {logOptions} logOptions - LogOptions for logging
   * @return {LogAdapter} - Instance of Adapter
   * @throws {Error} - LoggerError when invalid adapter is provided.
   * @memberof LoggerFactory
   */
  static getAdapter(adapterName, logOptions) {
    switch (adapterName) {
      case 'pino':
        return new PinoAdapter(logOptions);
      case 'bunyan':
        return new BunyanAdapter(logOptions);
      case 'winston':
        return new WinstonAdapter(logOptions);
      default:
        throw new Error('LoggerError: Invalid adapter value.');
    }
  }
}

module.exports = LoggerFactory;