jaysonic/lib/util/logger.js

A feature rich JSON-RPC 1.0/2.0 compliant client and server library

"use strict";

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var Logger = /*#__PURE__*/function () {
  /**
   * Singleton logging class to provide custom logger for library.
   *
   * Define the new logger at the top of the program, before instantiating
   * any new client or server classes.
   *
   * @returns instance of `Logger`
   */
  function Logger() {
    _classCallCheck(this, Logger);

    if (Logger._instance) {
      return Logger._instance;
    }

    Logger._instance = this;
    this.log = console;
  }
  /**
   * Overwrite `Logger.log`, default `console`, which is used for
   * messages within the library
   *
   * @param {object} newLogger Object to overwrite `console` logging
   */


  _createClass(Logger, [{
    key: "setLogger",
    value: function setLogger(newLogger) {
      this.log = newLogger;
    }
    /**
     *
     * @returns `Logger.log`
     */

  }, {
    key: "getLogger",
    value: function getLogger() {
      return new Logger().getInstance().log;
    }
    /**
     *
     * @returns instance of `Logger`
     */

  }, {
    key: "getInstance",
    value: function getInstance() {
      return Logger._instance || new Logger();
    }
  }]);

  return Logger;
}();

module.exports = new Logger();