winston-array-transport/lib/index.js

write logs to js Array

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _os = _interopRequireDefault(require("os"));
var _winstonTransport = _interopRequireDefault(require("winston-transport"));
var _defaults = require("./defaults");
var _constants = require("./constants");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/* eslint-disable promise/prefer-await-to-callbacks */

class ArrayTransport extends _winstonTransport.default {
  constructor(options = {}) {
    super(options);
    const maxListeners = Number.isInteger(options.maxListeners) ? options.maxListeners : _defaults.defaultMaxListeners;
    this.name = options.name || this.constructor.name;
    this.eol = options.eol || _os.default.EOL;
    this.array = options.array || [];
    this.levels = options.levels || {};
    this.parser = options.parser || options.json && _defaults.defaultParserJSON || _defaults.defaultParser;
    this.limit = options.limit;
    this.setMaxListeners(maxListeners);
  }
  log(info, callback) {
    setImmediate(() => {
      this.emit('logged', info);
    });
    const message = info[_constants.MESSAGE];
    this.array.push(this.parser(message));
    if (this.limit && this.array.length > this.limit) this.array.shift();
    callback();
  }
}
exports.default = ArrayTransport;
module.exports = exports.default;
module.exports.default = exports.default;