初始化环境文件

node_modules/winston/LICENSE

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+Copyright (c) 2010 Charlie Robbins
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

node_modules/winston/dist/winston.js

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+/**
+ * winston.js: Top-level include defining Winston.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+var logform = require('logform');
+var _require = require('./winston/common'),
+  warn = _require.warn;
+
+/**
+ * Expose version. Use `require` method for `webpack` support.
+ * @type {string}
+ */
+exports.version = require('../package.json').version;
+/**
+ * Include transports defined by default by winston
+ * @type {Array}
+ */
+exports.transports = require('./winston/transports');
+/**
+ * Expose utility methods
+ * @type {Object}
+ */
+exports.config = require('./winston/config');
+/**
+ * Hoist format-related functionality from logform.
+ * @type {Object}
+ */
+exports.addColors = logform.levels;
+/**
+ * Hoist format-related functionality from logform.
+ * @type {Object}
+ */
+exports.format = logform.format;
+/**
+ * Expose core Logging-related prototypes.
+ * @type {function}
+ */
+exports.createLogger = require('./winston/create-logger');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {function}
+ */
+exports.Logger = require('./winston/logger');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Object}
+ */
+exports.ExceptionHandler = require('./winston/exception-handler');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Object}
+ */
+exports.RejectionHandler = require('./winston/rejection-handler');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Container}
+ */
+exports.Container = require('./winston/container');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Object}
+ */
+exports.Transport = require('winston-transport');
+/**
+ * We create and expose a default `Container` to `winston.loggers` so that the
+ * programmer may manage multiple `winston.Logger` instances without any
+ * additional overhead.
+ * @example
+ *   // some-file1.js
+ *   const logger = require('winston').loggers.get('something');
+ *
+ *   // some-file2.js
+ *   const logger = require('winston').loggers.get('something');
+ */
+exports.loggers = new exports.Container();
+
+/**
+ * We create and expose a 'defaultLogger' so that the programmer may do the
+ * following without the need to create an instance of winston.Logger directly:
+ * @example
+ *   const winston = require('winston');
+ *   winston.log('info', 'some message');
+ *   winston.error('some error');
+ */
+var defaultLogger = exports.createLogger();
+
+// Pass through the target methods onto `winston.
+Object.keys(exports.config.npm.levels).concat(['log', 'query', 'stream', 'add', 'remove', 'clear', 'profile', 'startTimer', 'handleExceptions', 'unhandleExceptions', 'handleRejections', 'unhandleRejections', 'configure', 'child']).forEach(function (method) {
+  return exports[method] = function () {
+    return defaultLogger[method].apply(defaultLogger, arguments);
+  };
+});
+
+/**
+ * Define getter / setter for the default logger level which need to be exposed
+ * by winston.
+ * @type {string}
+ */
+Object.defineProperty(exports, 'level', {
+  get: function get() {
+    return defaultLogger.level;
+  },
+  set: function set(val) {
+    defaultLogger.level = val;
+  }
+});
+
+/**
+ * Define getter for `exceptions` which replaces `handleExceptions` and
+ * `unhandleExceptions`.
+ * @type {Object}
+ */
+Object.defineProperty(exports, 'exceptions', {
+  get: function get() {
+    return defaultLogger.exceptions;
+  }
+});
+
+/**
+ * Define getter for `rejections` which replaces `handleRejections` and
+ * `unhandleRejections`.
+ * @type {Object}
+ */
+Object.defineProperty(exports, 'rejections', {
+  get: function get() {
+    return defaultLogger.rejections;
+  }
+});
+
+/**
+ * Define getters / setters for appropriate properties of the default logger
+ * which need to be exposed by winston.
+ * @type {Logger}
+ */
+['exitOnError'].forEach(function (prop) {
+  Object.defineProperty(exports, prop, {
+    get: function get() {
+      return defaultLogger[prop];
+    },
+    set: function set(val) {
+      defaultLogger[prop] = val;
+    }
+  });
+});
+
+/**
+ * The default transports and exceptionHandlers for the default winston logger.
+ * @type {Object}
+ */
+Object.defineProperty(exports, 'default', {
+  get: function get() {
+    return {
+      exceptionHandlers: defaultLogger.exceptionHandlers,
+      rejectionHandlers: defaultLogger.rejectionHandlers,
+      transports: defaultLogger.transports
+    };
+  }
+});
+
+// Have friendlier breakage notices for properties that were exposed by default
+// on winston < 3.0.
+warn.deprecated(exports, 'setLevels');
+warn.forFunctions(exports, 'useFormat', ['cli']);
+warn.forProperties(exports, 'useFormat', ['padLevels', 'stripColors']);
+warn.forFunctions(exports, 'deprecated', ['addRewriter', 'addFilter', 'clone', 'extend']);
+warn.forProperties(exports, 'deprecated', ['emitErrs', 'levelLength']);

node_modules/winston/dist/winston/common.js

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+/**
+ * common.js: Internal helper and utility functions for winston.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+var _require = require('util'),
+  format = _require.format;
+
+/**
+ * Set of simple deprecation notices and a way to expose them for a set of
+ * properties.
+ * @type {Object}
+ * @private
+ */
+exports.warn = {
+  deprecated: function deprecated(prop) {
+    return function () {
+      throw new Error(format('{ %s } was removed in winston@3.0.0.', prop));
+    };
+  },
+  useFormat: function useFormat(prop) {
+    return function () {
+      throw new Error([format('{ %s } was removed in winston@3.0.0.', prop), 'Use a custom winston.format = winston.format(function) instead.'].join('\n'));
+    };
+  },
+  forFunctions: function forFunctions(obj, type, props) {
+    props.forEach(function (prop) {
+      obj[prop] = exports.warn[type](prop);
+    });
+  },
+  forProperties: function forProperties(obj, type, props) {
+    props.forEach(function (prop) {
+      var notice = exports.warn[type](prop);
+      Object.defineProperty(obj, prop, {
+        get: notice,
+        set: notice
+      });
+    });
+  }
+};

node_modules/winston/dist/winston/config/index.js

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+/**
+ * index.js: Default settings for all levels that winston knows about.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+var logform = require('logform');
+var _require = require('triple-beam'),
+  configs = _require.configs;
+
+/**
+ * Export config set for the CLI.
+ * @type {Object}
+ */
+exports.cli = logform.levels(configs.cli);
+
+/**
+ * Export config set for npm.
+ * @type {Object}
+ */
+exports.npm = logform.levels(configs.npm);
+
+/**
+ * Export config set for the syslog.
+ * @type {Object}
+ */
+exports.syslog = logform.levels(configs.syslog);
+
+/**
+ * Hoist addColors from logform where it was refactored into in winston@3.
+ * @type {Object}
+ */
+exports.addColors = logform.levels;

node_modules/winston/dist/winston/container.js

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+/**
+ * container.js: Inversion of control container for winston logger instances.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+var createLogger = require('./create-logger');
+
+/**
+ * Inversion of control container for winston logger instances.
+ * @type {Container}
+ */
+module.exports = /*#__PURE__*/function () {
+  /**
+   * Constructor function for the Container object responsible for managing a
+   * set of `winston.Logger` instances based on string ids.
+   * @param {!Object} [options={}] - Default pass-thru options for Loggers.
+   */
+  function Container() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    _classCallCheck(this, Container);
+    this.loggers = new Map();
+    this.options = options;
+  }
+
+  /**
+   * Retrieves a `winston.Logger` instance for the specified `id`. If an
+   * instance does not exist, one is created.
+   * @param {!string} id - The id of the Logger to get.
+   * @param {?Object} [options] - Options for the Logger instance.
+   * @returns {Logger} - A configured Logger instance with a specified id.
+   */
+  return _createClass(Container, [{
+    key: "add",
+    value: function add(id, options) {
+      var _this = this;
+      if (!this.loggers.has(id)) {
+        // Remark: Simple shallow clone for configuration options in case we pass
+        // in instantiated protoypal objects
+        options = Object.assign({}, options || this.options);
+        var existing = options.transports || this.options.transports;
+
+        // Remark: Make sure if we have an array of transports we slice it to
+        // make copies of those references.
+        if (existing) {
+          options.transports = Array.isArray(existing) ? existing.slice() : [existing];
+        } else {
+          options.transports = [];
+        }
+        var logger = createLogger(options);
+        logger.on('close', function () {
+          return _this._delete(id);
+        });
+        this.loggers.set(id, logger);
+      }
+      return this.loggers.get(id);
+    }
+
+    /**
+     * Retreives a `winston.Logger` instance for the specified `id`. If
+     * an instance does not exist, one is created.
+     * @param {!string} id - The id of the Logger to get.
+     * @param {?Object} [options] - Options for the Logger instance.
+     * @returns {Logger} - A configured Logger instance with a specified id.
+     */
+  }, {
+    key: "get",
+    value: function get(id, options) {
+      return this.add(id, options);
+    }
+
+    /**
+     * Check if the container has a logger with the id.
+     * @param {?string} id - The id of the Logger instance to find.
+     * @returns {boolean} - Boolean value indicating if this instance has a
+     * logger with the specified `id`.
+     */
+  }, {
+    key: "has",
+    value: function has(id) {
+      return !!this.loggers.has(id);
+    }
+
+    /**
+     * Closes a `Logger` instance with the specified `id` if it exists.
+     * If no `id` is supplied then all Loggers are closed.
+     * @param {?string} id - The id of the Logger instance to close.
+     * @returns {undefined}
+     */
+  }, {
+    key: "close",
+    value: function close(id) {
+      var _this2 = this;
+      if (id) {
+        return this._removeLogger(id);
+      }
+      this.loggers.forEach(function (val, key) {
+        return _this2._removeLogger(key);
+      });
+    }
+
+    /**
+     * Remove a logger based on the id.
+     * @param {!string} id - The id of the logger to remove.
+     * @returns {undefined}
+     * @private
+     */
+  }, {
+    key: "_removeLogger",
+    value: function _removeLogger(id) {
+      if (!this.loggers.has(id)) {
+        return;
+      }
+      var logger = this.loggers.get(id);
+      logger.close();
+      this._delete(id);
+    }
+
+    /**
+     * Deletes a `Logger` instance with the specified `id`.
+     * @param {!string} id - The id of the Logger instance to delete from
+     * container.
+     * @returns {undefined}
+     * @private
+     */
+  }, {
+    key: "_delete",
+    value: function _delete(id) {
+      this.loggers["delete"](id);
+    }
+  }]);
+}();

node_modules/winston/dist/winston/create-logger.js

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+/**
+ * create-logger.js: Logger factory for winston logger instances.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var _require = require('triple-beam'),
+  LEVEL = _require.LEVEL;
+var config = require('./config');
+var Logger = require('./logger');
+var debug = require('@dabh/diagnostics')('winston:create-logger');
+function isLevelEnabledFunctionName(level) {
+  return 'is' + level.charAt(0).toUpperCase() + level.slice(1) + 'Enabled';
+}
+
+/**
+ * Create a new instance of a winston Logger. Creates a new
+ * prototype for each instance.
+ * @param {!Object} opts - Options for the created logger.
+ * @returns {Logger} - A newly created logger instance.
+ */
+module.exports = function () {
+  var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  //
+  // Default levels: npm
+  //
+  opts.levels = opts.levels || config.npm.levels;
+
+  /**
+   * DerivedLogger to attach the logs level methods.
+   * @type {DerivedLogger}
+   * @extends {Logger}
+   */
+  var DerivedLogger = /*#__PURE__*/function (_Logger) {
+    /**
+     * Create a new class derived logger for which the levels can be attached to
+     * the prototype of. This is a V8 optimization that is well know to increase
+     * performance of prototype functions.
+     * @param {!Object} options - Options for the created logger.
+     */
+    function DerivedLogger(options) {
+      _classCallCheck(this, DerivedLogger);
+      return _callSuper(this, DerivedLogger, [options]);
+    }
+    _inherits(DerivedLogger, _Logger);
+    return _createClass(DerivedLogger);
+  }(Logger);
+  var logger = new DerivedLogger(opts);
+
+  //
+  // Create the log level methods for the derived logger.
+  //
+  Object.keys(opts.levels).forEach(function (level) {
+    debug('Define prototype method for "%s"', level);
+    if (level === 'log') {
+      // eslint-disable-next-line no-console
+      console.warn('Level "log" not defined: conflicts with the method "log". Use a different level name.');
+      return;
+    }
+
+    //
+    // Define prototype methods for each log level e.g.:
+    // logger.log('info', msg) implies these methods are defined:
+    // - logger.info(msg)
+    // - logger.isInfoEnabled()
+    //
+    // Remark: to support logger.child this **MUST** be a function
+    // so it'll always be called on the instance instead of a fixed
+    // place in the prototype chain.
+    //
+    DerivedLogger.prototype[level] = function () {
+      // Prefer any instance scope, but default to "root" logger
+      var self = this || logger;
+
+      // Optimize the hot-path which is the single object.
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+      if (args.length === 1) {
+        var msg = args[0];
+        var info = msg && msg.message && msg || {
+          message: msg
+        };
+        info.level = info[LEVEL] = level;
+        self._addDefaultMeta(info);
+        self.write(info);
+        return this || logger;
+      }
+
+      // When provided nothing assume the empty string
+      if (args.length === 0) {
+        self.log(level, '');
+        return self;
+      }
+
+      // Otherwise build argument list which could potentially conform to
+      // either:
+      // . v3 API: log(obj)
+      // 2. v1/v2 API: log(level, msg, ... [string interpolate], [{metadata}], [callback])
+      return self.log.apply(self, [level].concat(args));
+    };
+    DerivedLogger.prototype[isLevelEnabledFunctionName(level)] = function () {
+      return (this || logger).isLevelEnabled(level);
+    };
+  });
+  return logger;
+};

node_modules/winston/dist/winston/exception-handler.js

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+/**
+ * exception-handler.js: Object for handling uncaughtException events.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+var os = require('os');
+var asyncForEach = require('async/forEach');
+var debug = require('@dabh/diagnostics')('winston:exception');
+var once = require('one-time');
+var stackTrace = require('stack-trace');
+var ExceptionStream = require('./exception-stream');
+
+/**
+ * Object for handling uncaughtException events.
+ * @type {ExceptionHandler}
+ */
+module.exports = /*#__PURE__*/function () {
+  /**
+   * TODO: add contructor description
+   * @param {!Logger} logger - TODO: add param description
+   */
+  function ExceptionHandler(logger) {
+    _classCallCheck(this, ExceptionHandler);
+    if (!logger) {
+      throw new Error('Logger is required to handle exceptions');
+    }
+    this.logger = logger;
+    this.handlers = new Map();
+  }
+
+  /**
+   * Handles `uncaughtException` events for the current process by adding any
+   * handlers passed in.
+   * @returns {undefined}
+   */
+  return _createClass(ExceptionHandler, [{
+    key: "handle",
+    value: function handle() {
+      var _this = this;
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+      args.forEach(function (arg) {
+        if (Array.isArray(arg)) {
+          return arg.forEach(function (handler) {
+            return _this._addHandler(handler);
+          });
+        }
+        _this._addHandler(arg);
+      });
+      if (!this.catcher) {
+        this.catcher = this._uncaughtException.bind(this);
+        process.on('uncaughtException', this.catcher);
+      }
+    }
+
+    /**
+     * Removes any handlers to `uncaughtException` events for the current
+     * process. This does not modify the state of the `this.handlers` set.
+     * @returns {undefined}
+     */
+  }, {
+    key: "unhandle",
+    value: function unhandle() {
+      var _this2 = this;
+      if (this.catcher) {
+        process.removeListener('uncaughtException', this.catcher);
+        this.catcher = false;
+        Array.from(this.handlers.values()).forEach(function (wrapper) {
+          return _this2.logger.unpipe(wrapper);
+        });
+      }
+    }
+
+    /**
+     * TODO: add method description
+     * @param {Error} err - Error to get information about.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getAllInfo",
+    value: function getAllInfo(err) {
+      var message = null;
+      if (err) {
+        message = typeof err === 'string' ? err : err.message;
+      }
+      return {
+        error: err,
+        // TODO (indexzero): how do we configure this?
+        level: 'error',
+        message: ["uncaughtException: ".concat(message || '(no error message)'), err && err.stack || '  No stack trace'].join('\n'),
+        stack: err && err.stack,
+        exception: true,
+        date: new Date().toString(),
+        process: this.getProcessInfo(),
+        os: this.getOsInfo(),
+        trace: this.getTrace(err)
+      };
+    }
+
+    /**
+     * Gets all relevant process information for the currently running process.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getProcessInfo",
+    value: function getProcessInfo() {
+      return {
+        pid: process.pid,
+        uid: process.getuid ? process.getuid() : null,
+        gid: process.getgid ? process.getgid() : null,
+        cwd: process.cwd(),
+        execPath: process.execPath,
+        version: process.version,
+        argv: process.argv,
+        memoryUsage: process.memoryUsage()
+      };
+    }
+
+    /**
+     * Gets all relevant OS information for the currently running process.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getOsInfo",
+    value: function getOsInfo() {
+      return {
+        loadavg: os.loadavg(),
+        uptime: os.uptime()
+      };
+    }
+
+    /**
+     * Gets a stack trace for the specified error.
+     * @param {mixed} err - TODO: add param description.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getTrace",
+    value: function getTrace(err) {
+      var trace = err ? stackTrace.parse(err) : stackTrace.get();
+      return trace.map(function (site) {
+        return {
+          column: site.getColumnNumber(),
+          file: site.getFileName(),
+          "function": site.getFunctionName(),
+          line: site.getLineNumber(),
+          method: site.getMethodName(),
+          "native": site.isNative()
+        };
+      });
+    }
+
+    /**
+     * Helper method to add a transport as an exception handler.
+     * @param {Transport} handler - The transport to add as an exception handler.
+     * @returns {void}
+     */
+  }, {
+    key: "_addHandler",
+    value: function _addHandler(handler) {
+      if (!this.handlers.has(handler)) {
+        handler.handleExceptions = true;
+        var wrapper = new ExceptionStream(handler);
+        this.handlers.set(handler, wrapper);
+        this.logger.pipe(wrapper);
+      }
+    }
+
+    /**
+     * Logs all relevant information around the `err` and exits the current
+     * process.
+     * @param {Error} err - Error to handle
+     * @returns {mixed} - TODO: add return description.
+     * @private
+     */
+  }, {
+    key: "_uncaughtException",
+    value: function _uncaughtException(err) {
+      var info = this.getAllInfo(err);
+      var handlers = this._getExceptionHandlers();
+      // Calculate if we should exit on this error
+      var doExit = typeof this.logger.exitOnError === 'function' ? this.logger.exitOnError(err) : this.logger.exitOnError;
+      var timeout;
+      if (!handlers.length && doExit) {
+        // eslint-disable-next-line no-console
+        console.warn('winston: exitOnError cannot be true with no exception handlers.');
+        // eslint-disable-next-line no-console
+        console.warn('winston: not exiting process.');
+        doExit = false;
+      }
+      function gracefulExit() {
+        debug('doExit', doExit);
+        debug('process._exiting', process._exiting);
+        if (doExit && !process._exiting) {
+          // Remark: Currently ignoring any exceptions from transports when
+          // catching uncaught exceptions.
+          if (timeout) {
+            clearTimeout(timeout);
+          }
+          // eslint-disable-next-line no-process-exit
+          process.exit(1);
+        }
+      }
+      if (!handlers || handlers.length === 0) {
+        return process.nextTick(gracefulExit);
+      }
+
+      // Log to all transports attempting to listen for when they are completed.
+      asyncForEach(handlers, function (handler, next) {
+        var done = once(next);
+        var transport = handler.transport || handler;
+
+        // Debug wrapping so that we can inspect what's going on under the covers.
+        function onDone(event) {
+          return function () {
+            debug(event);
+            done();
+          };
+        }
+        transport._ending = true;
+        transport.once('finish', onDone('finished'));
+        transport.once('error', onDone('error'));
+      }, function () {
+        return doExit && gracefulExit();
+      });
+      this.logger.log(info);
+
+      // If exitOnError is true, then only allow the logging of exceptions to
+      // take up to `3000ms`.
+      if (doExit) {
+        timeout = setTimeout(gracefulExit, 3000);
+      }
+    }
+
+    /**
+     * Returns the list of transports and exceptionHandlers for this instance.
+     * @returns {Array} - List of transports and exceptionHandlers for this
+     * instance.
+     * @private
+     */
+  }, {
+    key: "_getExceptionHandlers",
+    value: function _getExceptionHandlers() {
+      // Remark (indexzero): since `logger.transports` returns all of the pipes
+      // from the _readableState of the stream we actually get the join of the
+      // explicit handlers and the implicit transports with
+      // `handleExceptions: true`
+      return this.logger.transports.filter(function (wrap) {
+        var transport = wrap.transport || wrap;
+        return transport.handleExceptions;
+      });
+    }
+  }]);
+}();

node_modules/winston/dist/winston/exception-stream.js

@@ -0,0 +1,75 @@
+/**
+ * exception-stream.js: TODO: add file header handler.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var _require = require('readable-stream'),
+  Writable = _require.Writable;
+
+/**
+ * TODO: add class description.
+ * @type {ExceptionStream}
+ * @extends {Writable}
+ */
+module.exports = /*#__PURE__*/function (_Writable) {
+  /**
+   * Constructor function for the ExceptionStream responsible for wrapping a
+   * TransportStream; only allowing writes of `info` objects with
+   * `info.exception` set to true.
+   * @param {!TransportStream} transport - Stream to filter to exceptions
+   */
+  function ExceptionStream(transport) {
+    var _this;
+    _classCallCheck(this, ExceptionStream);
+    _this = _callSuper(this, ExceptionStream, [{
+      objectMode: true
+    }]);
+    if (!transport) {
+      throw new Error('ExceptionStream requires a TransportStream instance.');
+    }
+
+    // Remark (indexzero): we set `handleExceptions` here because it's the
+    // predicate checked in ExceptionHandler.prototype.__getExceptionHandlers
+    _this.handleExceptions = true;
+    _this.transport = transport;
+    return _this;
+  }
+
+  /**
+   * Writes the info object to our transport instance if (and only if) the
+   * `exception` property is set on the info.
+   * @param {mixed} info - TODO: add param description.
+   * @param {mixed} enc - TODO: add param description.
+   * @param {mixed} callback - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  _inherits(ExceptionStream, _Writable);
+  return _createClass(ExceptionStream, [{
+    key: "_write",
+    value: function _write(info, enc, callback) {
+      if (info.exception) {
+        return this.transport.log(info, callback);
+      }
+      callback();
+      return true;
+    }
+  }]);
+}(Writable);

node_modules/winston/dist/winston/logger.js

@@ -0,0 +1,697 @@
+/**
+ * logger.js: TODO: add file header description.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var _require = require('readable-stream'),
+  Stream = _require.Stream,
+  Transform = _require.Transform;
+var asyncForEach = require('async/forEach');
+var _require2 = require('triple-beam'),
+  LEVEL = _require2.LEVEL,
+  SPLAT = _require2.SPLAT;
+var isStream = require('is-stream');
+var ExceptionHandler = require('./exception-handler');
+var RejectionHandler = require('./rejection-handler');
+var LegacyTransportStream = require('winston-transport/legacy');
+var Profiler = require('./profiler');
+var _require3 = require('./common'),
+  warn = _require3.warn;
+var config = require('./config');
+
+/**
+ * Captures the number of format (i.e. %s strings) in a given string.
+ * Based on `util.format`, see Node.js source:
+ * https://github.com/nodejs/node/blob/b1c8f15c5f169e021f7c46eb7b219de95fe97603/lib/util.js#L201-L230
+ * @type {RegExp}
+ */
+var formatRegExp = /%[scdjifoO%]/g;
+
+/**
+ * TODO: add class description.
+ * @type {Logger}
+ * @extends {Transform}
+ */
+var Logger = /*#__PURE__*/function (_Transform) {
+  /**
+   * Constructor function for the Logger object responsible for persisting log
+   * messages and metadata to one or more transports.
+   * @param {!Object} options - foo
+   */
+  function Logger(options) {
+    var _this;
+    _classCallCheck(this, Logger);
+    _this = _callSuper(this, Logger, [{
+      objectMode: true
+    }]);
+    _this.configure(options);
+    return _this;
+  }
+  _inherits(Logger, _Transform);
+  return _createClass(Logger, [{
+    key: "child",
+    value: function child(defaultRequestMetadata) {
+      var logger = this;
+      return Object.create(logger, {
+        write: {
+          value: function value(info) {
+            var infoClone = Object.assign({}, defaultRequestMetadata, info);
+
+            // Object.assign doesn't copy inherited Error
+            // properties so we have to do that explicitly
+            //
+            // Remark (indexzero): we should remove this
+            // since the errors format will handle this case.
+            //
+            if (info instanceof Error) {
+              infoClone.stack = info.stack;
+              infoClone.message = info.message;
+              infoClone.cause = info.cause;
+            }
+            logger.write(infoClone);
+          }
+        }
+      });
+    }
+
+    /**
+     * This will wholesale reconfigure this instance by:
+     * 1. Resetting all transports. Older transports will be removed implicitly.
+     * 2. Set all other options including levels, colors, rewriters, filters,
+     *    exceptionHandlers, etc.
+     * @param {!Object} options - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "configure",
+    value: function configure() {
+      var _this2 = this;
+      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        silent = _ref.silent,
+        format = _ref.format,
+        defaultMeta = _ref.defaultMeta,
+        levels = _ref.levels,
+        _ref$level = _ref.level,
+        level = _ref$level === void 0 ? 'info' : _ref$level,
+        _ref$exitOnError = _ref.exitOnError,
+        exitOnError = _ref$exitOnError === void 0 ? true : _ref$exitOnError,
+        transports = _ref.transports,
+        colors = _ref.colors,
+        emitErrs = _ref.emitErrs,
+        formatters = _ref.formatters,
+        padLevels = _ref.padLevels,
+        rewriters = _ref.rewriters,
+        stripColors = _ref.stripColors,
+        exceptionHandlers = _ref.exceptionHandlers,
+        rejectionHandlers = _ref.rejectionHandlers;
+      // Reset transports if we already have them
+      if (this.transports.length) {
+        this.clear();
+      }
+      this.silent = silent;
+      this.format = format || this.format || require('logform/json')();
+      this.defaultMeta = defaultMeta || null;
+      // Hoist other options onto this instance.
+      this.levels = levels || this.levels || config.npm.levels;
+      this.level = level;
+      if (this.exceptions) {
+        this.exceptions.unhandle();
+      }
+      if (this.rejections) {
+        this.rejections.unhandle();
+      }
+      this.exceptions = new ExceptionHandler(this);
+      this.rejections = new RejectionHandler(this);
+      this.profilers = {};
+      this.exitOnError = exitOnError;
+
+      // Add all transports we have been provided.
+      if (transports) {
+        transports = Array.isArray(transports) ? transports : [transports];
+        transports.forEach(function (transport) {
+          return _this2.add(transport);
+        });
+      }
+      if (colors || emitErrs || formatters || padLevels || rewriters || stripColors) {
+        throw new Error(['{ colors, emitErrs, formatters, padLevels, rewriters, stripColors } were removed in winston@3.0.0.', 'Use a custom winston.format(function) instead.', 'See: https://github.com/winstonjs/winston/tree/master/UPGRADE-3.0.md'].join('\n'));
+      }
+      if (exceptionHandlers) {
+        this.exceptions.handle(exceptionHandlers);
+      }
+      if (rejectionHandlers) {
+        this.rejections.handle(rejectionHandlers);
+      }
+    }
+
+    /* eslint-disable valid-jsdoc */
+    /**
+     * Helper method to get the highest logging level associated with a logger
+     *
+     * @returns { number | null } - The highest configured logging level, null
+     * for invalid configuration
+     */
+  }, {
+    key: "getHighestLogLevel",
+    value: function getHighestLogLevel() {
+      var _this3 = this;
+      // This can be null, if this.level has an invalid value
+      var configuredLevelValue = getLevelValue(this.levels, this.level);
+
+      // If there are no transports, return the level configured at the logger level
+      if (!this.transports || this.transports.length === 0) {
+        return configuredLevelValue;
+      }
+      return this.transports.reduce(function (max, transport) {
+        var levelValue = getLevelValue(_this3.levels, transport.level);
+        return levelValue !== null && levelValue > max ? levelValue : max;
+      }, configuredLevelValue);
+    }
+  }, {
+    key: "isLevelEnabled",
+    value: function isLevelEnabled(level) {
+      var _this4 = this;
+      var givenLevelValue = getLevelValue(this.levels, level);
+      if (givenLevelValue === null) {
+        return false;
+      }
+      var configuredLevelValue = getLevelValue(this.levels, this.level);
+      if (configuredLevelValue === null) {
+        return false;
+      }
+      if (!this.transports || this.transports.length === 0) {
+        return configuredLevelValue >= givenLevelValue;
+      }
+      var index = this.transports.findIndex(function (transport) {
+        var transportLevelValue = getLevelValue(_this4.levels, transport.level);
+        if (transportLevelValue === null) {
+          transportLevelValue = configuredLevelValue;
+        }
+        return transportLevelValue >= givenLevelValue;
+      });
+      return index !== -1;
+    }
+
+    /* eslint-disable valid-jsdoc */
+    /**
+     * Ensure backwards compatibility with a `log` method
+     * @param {mixed} level - Level the log message is written at.
+     * @param {mixed} msg - TODO: add param description.
+     * @param {mixed} meta - TODO: add param description.
+     * @returns {Logger} - TODO: add return description.
+     *
+     * @example
+     *    // Supports the existing API:
+     *    logger.log('info', 'Hello world', { custom: true });
+     *    logger.log('info', new Error('Yo, it\'s on fire'));
+     *
+     *    // Requires winston.format.splat()
+     *    logger.log('info', '%s %d%%', 'A string', 50, { thisIsMeta: true });
+     *
+     *    // And the new API with a single JSON literal:
+     *    logger.log({ level: 'info', message: 'Hello world', custom: true });
+     *    logger.log({ level: 'info', message: new Error('Yo, it\'s on fire') });
+     *
+     *    // Also requires winston.format.splat()
+     *    logger.log({
+     *      level: 'info',
+     *      message: '%s %d%%',
+     *      [SPLAT]: ['A string', 50],
+     *      meta: { thisIsMeta: true }
+     *    });
+     *
+     */
+    /* eslint-enable valid-jsdoc */
+  }, {
+    key: "log",
+    value: function log(level, msg) {
+      for (var _len = arguments.length, splat = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
+        splat[_key - 2] = arguments[_key];
+      }
+      // eslint-disable-line max-params
+      // Optimize for the hotpath of logging JSON literals
+      if (arguments.length === 1) {
+        // Yo dawg, I heard you like levels ... seriously ...
+        // In this context the LHS `level` here is actually the `info` so read
+        // this as: info[LEVEL] = info.level;
+        level[LEVEL] = level.level;
+        this._addDefaultMeta(level);
+        this.write(level);
+        return this;
+      }
+
+      // Slightly less hotpath, but worth optimizing for.
+      if (arguments.length === 2) {
+        if (msg && _typeof(msg) === 'object') {
+          msg[LEVEL] = msg.level = level;
+          this._addDefaultMeta(msg);
+          this.write(msg);
+          return this;
+        }
+        msg = _defineProperty(_defineProperty(_defineProperty({}, LEVEL, level), "level", level), "message", msg);
+        this._addDefaultMeta(msg);
+        this.write(msg);
+        return this;
+      }
+      var meta = splat[0];
+      if (_typeof(meta) === 'object' && meta !== null) {
+        // Extract tokens, if none available default to empty array to
+        // ensure consistancy in expected results
+        var tokens = msg && msg.match && msg.match(formatRegExp);
+        if (!tokens) {
+          var info = Object.assign({}, this.defaultMeta, meta, _defineProperty(_defineProperty(_defineProperty(_defineProperty({}, LEVEL, level), SPLAT, splat), "level", level), "message", msg));
+          if (meta.message) info.message = "".concat(info.message, " ").concat(meta.message);
+          if (meta.stack) info.stack = meta.stack;
+          if (meta.cause) info.cause = meta.cause;
+          this.write(info);
+          return this;
+        }
+      }
+      this.write(Object.assign({}, this.defaultMeta, _defineProperty(_defineProperty(_defineProperty(_defineProperty({}, LEVEL, level), SPLAT, splat), "level", level), "message", msg)));
+      return this;
+    }
+
+    /**
+     * Pushes data so that it can be picked up by all of our pipe targets.
+     * @param {mixed} info - TODO: add param description.
+     * @param {mixed} enc - TODO: add param description.
+     * @param {mixed} callback - Continues stream processing.
+     * @returns {undefined}
+     * @private
+     */
+  }, {
+    key: "_transform",
+    value: function _transform(info, enc, callback) {
+      if (this.silent) {
+        return callback();
+      }
+
+      // [LEVEL] is only soft guaranteed to be set here since we are a proper
+      // stream. It is likely that `info` came in through `.log(info)` or
+      // `.info(info)`. If it is not defined, however, define it.
+      // This LEVEL symbol is provided by `triple-beam` and also used in:
+      // - logform
+      // - winston-transport
+      // - abstract-winston-transport
+      if (!info[LEVEL]) {
+        info[LEVEL] = info.level;
+      }
+
+      // Remark: really not sure what to do here, but this has been reported as
+      // very confusing by pre winston@2.0.0 users as quite confusing when using
+      // custom levels.
+      if (!this.levels[info[LEVEL]] && this.levels[info[LEVEL]] !== 0) {
+        // eslint-disable-next-line no-console
+        console.error('[winston] Unknown logger level: %s', info[LEVEL]);
+      }
+
+      // Remark: not sure if we should simply error here.
+      if (!this._readableState.pipes) {
+        // eslint-disable-next-line no-console
+        console.error('[winston] Attempt to write logs with no transports, which can increase memory usage: %j', info);
+      }
+
+      // Here we write to the `format` pipe-chain, which on `readable` above will
+      // push the formatted `info` Object onto the buffer for this instance. We trap
+      // (and re-throw) any errors generated by the user-provided format, but also
+      // guarantee that the streams callback is invoked so that we can continue flowing.
+      try {
+        this.push(this.format.transform(info, this.format.options));
+      } finally {
+        this._writableState.sync = false;
+        // eslint-disable-next-line callback-return
+        callback();
+      }
+    }
+
+    /**
+     * Delays the 'finish' event until all transport pipe targets have
+     * also emitted 'finish' or are already finished.
+     * @param {mixed} callback - Continues stream processing.
+     */
+  }, {
+    key: "_final",
+    value: function _final(callback) {
+      var transports = this.transports.slice();
+      asyncForEach(transports, function (transport, next) {
+        if (!transport || transport.finished) return setImmediate(next);
+        transport.once('finish', next);
+        transport.end();
+      }, callback);
+    }
+
+    /**
+     * Adds the transport to this logger instance by piping to it.
+     * @param {mixed} transport - TODO: add param description.
+     * @returns {Logger} - TODO: add return description.
+     */
+  }, {
+    key: "add",
+    value: function add(transport) {
+      // Support backwards compatibility with all existing `winston < 3.x.x`
+      // transports which meet one of two criteria:
+      // 1. They inherit from winston.Transport in  < 3.x.x which is NOT a stream.
+      // 2. They expose a log method which has a length greater than 2 (i.e. more then
+      //    just `log(info, callback)`.
+      var target = !isStream(transport) || transport.log.length > 2 ? new LegacyTransportStream({
+        transport: transport
+      }) : transport;
+      if (!target._writableState || !target._writableState.objectMode) {
+        throw new Error('Transports must WritableStreams in objectMode. Set { objectMode: true }.');
+      }
+
+      // Listen for the `error` event and the `warn` event on the new Transport.
+      this._onEvent('error', target);
+      this._onEvent('warn', target);
+      this.pipe(target);
+      if (transport.handleExceptions) {
+        this.exceptions.handle();
+      }
+      if (transport.handleRejections) {
+        this.rejections.handle();
+      }
+      return this;
+    }
+
+    /**
+     * Removes the transport from this logger instance by unpiping from it.
+     * @param {mixed} transport - TODO: add param description.
+     * @returns {Logger} - TODO: add return description.
+     */
+  }, {
+    key: "remove",
+    value: function remove(transport) {
+      if (!transport) return this;
+      var target = transport;
+      if (!isStream(transport) || transport.log.length > 2) {
+        target = this.transports.filter(function (match) {
+          return match.transport === transport;
+        })[0];
+      }
+      if (target) {
+        this.unpipe(target);
+      }
+      return this;
+    }
+
+    /**
+     * Removes all transports from this logger instance.
+     * @returns {Logger} - TODO: add return description.
+     */
+  }, {
+    key: "clear",
+    value: function clear() {
+      this.unpipe();
+      return this;
+    }
+
+    /**
+     * Cleans up resources (streams, event listeners) for all transports
+     * associated with this instance (if necessary).
+     * @returns {Logger} - TODO: add return description.
+     */
+  }, {
+    key: "close",
+    value: function close() {
+      this.exceptions.unhandle();
+      this.rejections.unhandle();
+      this.clear();
+      this.emit('close');
+      return this;
+    }
+
+    /**
+     * Sets the `target` levels specified on this instance.
+     * @param {Object} Target levels to use on this instance.
+     */
+  }, {
+    key: "setLevels",
+    value: function setLevels() {
+      warn.deprecated('setLevels');
+    }
+
+    /**
+     * Queries the all transports for this instance with the specified `options`.
+     * This will aggregate each transport's results into one object containing
+     * a property per transport.
+     * @param {Object} options - Query options for this instance.
+     * @param {function} callback - Continuation to respond to when complete.
+     */
+  }, {
+    key: "query",
+    value: function query(options, callback) {
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+      options = options || {};
+      var results = {};
+      var queryObject = Object.assign({}, options.query || {});
+
+      // Helper function to query a single transport
+      function queryTransport(transport, next) {
+        if (options.query && typeof transport.formatQuery === 'function') {
+          options.query = transport.formatQuery(queryObject);
+        }
+        transport.query(options, function (err, res) {
+          if (err) {
+            return next(err);
+          }
+          if (typeof transport.formatResults === 'function') {
+            res = transport.formatResults(res, options.format);
+          }
+          next(null, res);
+        });
+      }
+
+      // Helper function to accumulate the results from `queryTransport` into
+      // the `results`.
+      function addResults(transport, next) {
+        queryTransport(transport, function (err, result) {
+          // queryTransport could potentially invoke the callback multiple times
+          // since Transport code can be unpredictable.
+          if (next) {
+            result = err || result;
+            if (result) {
+              results[transport.name] = result;
+            }
+
+            // eslint-disable-next-line callback-return
+            next();
+          }
+          next = null;
+        });
+      }
+
+      // Iterate over the transports in parallel setting the appropriate key in
+      // the `results`.
+      asyncForEach(this.transports.filter(function (transport) {
+        return !!transport.query;
+      }), addResults, function () {
+        return callback(null, results);
+      });
+    }
+
+    /**
+     * Returns a log stream for all transports. Options object is optional.
+     * @param{Object} options={} - Stream options for this instance.
+     * @returns {Stream} - TODO: add return description.
+     */
+  }, {
+    key: "stream",
+    value: function stream() {
+      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+      var out = new Stream();
+      var streams = [];
+      out._streams = streams;
+      out.destroy = function () {
+        var i = streams.length;
+        while (i--) {
+          streams[i].destroy();
+        }
+      };
+
+      // Create a list of all transports for this instance.
+      this.transports.filter(function (transport) {
+        return !!transport.stream;
+      }).forEach(function (transport) {
+        var str = transport.stream(options);
+        if (!str) {
+          return;
+        }
+        streams.push(str);
+        str.on('log', function (log) {
+          log.transport = log.transport || [];
+          log.transport.push(transport.name);
+          out.emit('log', log);
+        });
+        str.on('error', function (err) {
+          err.transport = err.transport || [];
+          err.transport.push(transport.name);
+          out.emit('error', err);
+        });
+      });
+      return out;
+    }
+
+    /**
+     * Returns an object corresponding to a specific timing. When done is called
+     * the timer will finish and log the duration. e.g.:
+     * @returns {Profile} - TODO: add return description.
+     * @example
+     *    const timer = winston.startTimer()
+     *    setTimeout(() => {
+     *      timer.done({
+     *        message: 'Logging message'
+     *      });
+     *    }, 1000);
+     */
+  }, {
+    key: "startTimer",
+    value: function startTimer() {
+      return new Profiler(this);
+    }
+
+    /**
+     * Tracks the time inbetween subsequent calls to this method with the same
+     * `id` parameter. The second call to this method will log the difference in
+     * milliseconds along with the message.
+     * @param {string} id Unique id of the profiler
+     * @returns {Logger} - TODO: add return description.
+     */
+  }, {
+    key: "profile",
+    value: function profile(id) {
+      var time = Date.now();
+      if (this.profilers[id]) {
+        var timeEnd = this.profilers[id];
+        delete this.profilers[id];
+
+        // Attempt to be kind to users if they are still using older APIs.
+        for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+          args[_key2 - 1] = arguments[_key2];
+        }
+        if (typeof args[args.length - 2] === 'function') {
+          // eslint-disable-next-line no-console
+          console.warn('Callback function no longer supported as of winston@3.0.0');
+          args.pop();
+        }
+
+        // Set the duration property of the metadata
+        var info = _typeof(args[args.length - 1]) === 'object' ? args.pop() : {};
+        info.level = info.level || 'info';
+        info.durationMs = time - timeEnd;
+        info.message = info.message || id;
+        return this.write(info);
+      }
+      this.profilers[id] = time;
+      return this;
+    }
+
+    /**
+     * Backwards compatibility to `exceptions.handle` in winston < 3.0.0.
+     * @returns {undefined}
+     * @deprecated
+     */
+  }, {
+    key: "handleExceptions",
+    value: function handleExceptions() {
+      var _this$exceptions;
+      // eslint-disable-next-line no-console
+      console.warn('Deprecated: .handleExceptions() will be removed in winston@4. Use .exceptions.handle()');
+      (_this$exceptions = this.exceptions).handle.apply(_this$exceptions, arguments);
+    }
+
+    /**
+     * Backwards compatibility to `exceptions.handle` in winston < 3.0.0.
+     * @returns {undefined}
+     * @deprecated
+     */
+  }, {
+    key: "unhandleExceptions",
+    value: function unhandleExceptions() {
+      var _this$exceptions2;
+      // eslint-disable-next-line no-console
+      console.warn('Deprecated: .unhandleExceptions() will be removed in winston@4. Use .exceptions.unhandle()');
+      (_this$exceptions2 = this.exceptions).unhandle.apply(_this$exceptions2, arguments);
+    }
+
+    /**
+     * Throw a more meaningful deprecation notice
+     * @throws {Error} - TODO: add throws description.
+     */
+  }, {
+    key: "cli",
+    value: function cli() {
+      throw new Error(['Logger.cli() was removed in winston@3.0.0', 'Use a custom winston.formats.cli() instead.', 'See: https://github.com/winstonjs/winston/tree/master/UPGRADE-3.0.md'].join('\n'));
+    }
+
+    /**
+     * Bubbles the `event` that occured on the specified `transport` up
+     * from this instance.
+     * @param {string} event - The event that occured
+     * @param {Object} transport - Transport on which the event occured
+     * @private
+     */
+  }, {
+    key: "_onEvent",
+    value: function _onEvent(event, transport) {
+      function transportEvent(err) {
+        // https://github.com/winstonjs/winston/issues/1364
+        if (event === 'error' && !this.transports.includes(transport)) {
+          this.add(transport);
+        }
+        this.emit(event, err, transport);
+      }
+      if (!transport['__winston' + event]) {
+        transport['__winston' + event] = transportEvent.bind(this);
+        transport.on(event, transport['__winston' + event]);
+      }
+    }
+  }, {
+    key: "_addDefaultMeta",
+    value: function _addDefaultMeta(msg) {
+      if (this.defaultMeta) {
+        Object.assign(msg, this.defaultMeta);
+      }
+    }
+  }]);
+}(Transform);
+function getLevelValue(levels, level) {
+  var value = levels[level];
+  if (!value && value !== 0) {
+    return null;
+  }
+  return value;
+}
+
+/**
+ * Represents the current readableState pipe targets for this Logger instance.
+ * @type {Array|Object}
+ */
+Object.defineProperty(Logger.prototype, 'transports', {
+  configurable: false,
+  enumerable: true,
+  get: function get() {
+    var pipes = this._readableState.pipes;
+    return !Array.isArray(pipes) ? [pipes].filter(Boolean) : pipes;
+  }
+});
+module.exports = Logger;

node_modules/winston/dist/winston/profiler.js

@@ -0,0 +1,64 @@
+/**
+ * profiler.js: TODO: add file header description.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+/**
+ * TODO: add class description.
+ * @type {Profiler}
+ * @private
+ */
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+var Profiler = /*#__PURE__*/function () {
+  /**
+   * Constructor function for the Profiler instance used by
+   * `Logger.prototype.startTimer`. When done is called the timer will finish
+   * and log the duration.
+   * @param {!Logger} logger - TODO: add param description.
+   * @private
+   */
+  function Profiler(logger) {
+    _classCallCheck(this, Profiler);
+    var Logger = require('./logger');
+    if (_typeof(logger) !== 'object' || Array.isArray(logger) || !(logger instanceof Logger)) {
+      throw new Error('Logger is required for profiling');
+    } else {
+      this.logger = logger;
+      this.start = Date.now();
+    }
+  }
+
+  /**
+   * Ends the current timer (i.e. Profiler) instance and logs the `msg` along
+   * with the duration since creation.
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  return _createClass(Profiler, [{
+    key: "done",
+    value: function done() {
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+      if (typeof args[args.length - 1] === 'function') {
+        // eslint-disable-next-line no-console
+        console.warn('Callback function no longer supported as of winston@3.0.0');
+        args.pop();
+      }
+      var info = _typeof(args[args.length - 1]) === 'object' ? args.pop() : {};
+      info.level = info.level || 'info';
+      info.durationMs = Date.now() - this.start;
+      return this.logger.write(info);
+    }
+  }]);
+}();
+module.exports = Profiler;

node_modules/winston/dist/winston/rejection-handler.js

@@ -0,0 +1,265 @@
+/**
+ * exception-handler.js: Object for handling uncaughtException events.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+var os = require('os');
+var asyncForEach = require('async/forEach');
+var debug = require('@dabh/diagnostics')('winston:rejection');
+var once = require('one-time');
+var stackTrace = require('stack-trace');
+var RejectionStream = require('./rejection-stream');
+
+/**
+ * Object for handling unhandledRejection events.
+ * @type {RejectionHandler}
+ */
+module.exports = /*#__PURE__*/function () {
+  /**
+   * TODO: add contructor description
+   * @param {!Logger} logger - TODO: add param description
+   */
+  function RejectionHandler(logger) {
+    _classCallCheck(this, RejectionHandler);
+    if (!logger) {
+      throw new Error('Logger is required to handle rejections');
+    }
+    this.logger = logger;
+    this.handlers = new Map();
+  }
+
+  /**
+   * Handles `unhandledRejection` events for the current process by adding any
+   * handlers passed in.
+   * @returns {undefined}
+   */
+  return _createClass(RejectionHandler, [{
+    key: "handle",
+    value: function handle() {
+      var _this = this;
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+        args[_key] = arguments[_key];
+      }
+      args.forEach(function (arg) {
+        if (Array.isArray(arg)) {
+          return arg.forEach(function (handler) {
+            return _this._addHandler(handler);
+          });
+        }
+        _this._addHandler(arg);
+      });
+      if (!this.catcher) {
+        this.catcher = this._unhandledRejection.bind(this);
+        process.on('unhandledRejection', this.catcher);
+      }
+    }
+
+    /**
+     * Removes any handlers to `unhandledRejection` events for the current
+     * process. This does not modify the state of the `this.handlers` set.
+     * @returns {undefined}
+     */
+  }, {
+    key: "unhandle",
+    value: function unhandle() {
+      var _this2 = this;
+      if (this.catcher) {
+        process.removeListener('unhandledRejection', this.catcher);
+        this.catcher = false;
+        Array.from(this.handlers.values()).forEach(function (wrapper) {
+          return _this2.logger.unpipe(wrapper);
+        });
+      }
+    }
+
+    /**
+     * TODO: add method description
+     * @param {Error} err - Error to get information about.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getAllInfo",
+    value: function getAllInfo(err) {
+      var message = null;
+      if (err) {
+        message = typeof err === 'string' ? err : err.message;
+      }
+      return {
+        error: err,
+        // TODO (indexzero): how do we configure this?
+        level: 'error',
+        message: ["unhandledRejection: ".concat(message || '(no error message)'), err && err.stack || '  No stack trace'].join('\n'),
+        stack: err && err.stack,
+        rejection: true,
+        date: new Date().toString(),
+        process: this.getProcessInfo(),
+        os: this.getOsInfo(),
+        trace: this.getTrace(err)
+      };
+    }
+
+    /**
+     * Gets all relevant process information for the currently running process.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getProcessInfo",
+    value: function getProcessInfo() {
+      return {
+        pid: process.pid,
+        uid: process.getuid ? process.getuid() : null,
+        gid: process.getgid ? process.getgid() : null,
+        cwd: process.cwd(),
+        execPath: process.execPath,
+        version: process.version,
+        argv: process.argv,
+        memoryUsage: process.memoryUsage()
+      };
+    }
+
+    /**
+     * Gets all relevant OS information for the currently running process.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getOsInfo",
+    value: function getOsInfo() {
+      return {
+        loadavg: os.loadavg(),
+        uptime: os.uptime()
+      };
+    }
+
+    /**
+     * Gets a stack trace for the specified error.
+     * @param {mixed} err - TODO: add param description.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "getTrace",
+    value: function getTrace(err) {
+      var trace = err ? stackTrace.parse(err) : stackTrace.get();
+      return trace.map(function (site) {
+        return {
+          column: site.getColumnNumber(),
+          file: site.getFileName(),
+          "function": site.getFunctionName(),
+          line: site.getLineNumber(),
+          method: site.getMethodName(),
+          "native": site.isNative()
+        };
+      });
+    }
+
+    /**
+     * Helper method to add a transport as an exception handler.
+     * @param {Transport} handler - The transport to add as an exception handler.
+     * @returns {void}
+     */
+  }, {
+    key: "_addHandler",
+    value: function _addHandler(handler) {
+      if (!this.handlers.has(handler)) {
+        handler.handleRejections = true;
+        var wrapper = new RejectionStream(handler);
+        this.handlers.set(handler, wrapper);
+        this.logger.pipe(wrapper);
+      }
+    }
+
+    /**
+     * Logs all relevant information around the `err` and exits the current
+     * process.
+     * @param {Error} err - Error to handle
+     * @returns {mixed} - TODO: add return description.
+     * @private
+     */
+  }, {
+    key: "_unhandledRejection",
+    value: function _unhandledRejection(err) {
+      var info = this.getAllInfo(err);
+      var handlers = this._getRejectionHandlers();
+      // Calculate if we should exit on this error
+      var doExit = typeof this.logger.exitOnError === 'function' ? this.logger.exitOnError(err) : this.logger.exitOnError;
+      var timeout;
+      if (!handlers.length && doExit) {
+        // eslint-disable-next-line no-console
+        console.warn('winston: exitOnError cannot be true with no rejection handlers.');
+        // eslint-disable-next-line no-console
+        console.warn('winston: not exiting process.');
+        doExit = false;
+      }
+      function gracefulExit() {
+        debug('doExit', doExit);
+        debug('process._exiting', process._exiting);
+        if (doExit && !process._exiting) {
+          // Remark: Currently ignoring any rejections from transports when
+          // catching unhandled rejections.
+          if (timeout) {
+            clearTimeout(timeout);
+          }
+          // eslint-disable-next-line no-process-exit
+          process.exit(1);
+        }
+      }
+      if (!handlers || handlers.length === 0) {
+        return process.nextTick(gracefulExit);
+      }
+
+      // Log to all transports attempting to listen for when they are completed.
+      asyncForEach(handlers, function (handler, next) {
+        var done = once(next);
+        var transport = handler.transport || handler;
+
+        // Debug wrapping so that we can inspect what's going on under the covers.
+        function onDone(event) {
+          return function () {
+            debug(event);
+            done();
+          };
+        }
+        transport._ending = true;
+        transport.once('finish', onDone('finished'));
+        transport.once('error', onDone('error'));
+      }, function () {
+        return doExit && gracefulExit();
+      });
+      this.logger.log(info);
+
+      // If exitOnError is true, then only allow the logging of exceptions to
+      // take up to `3000ms`.
+      if (doExit) {
+        timeout = setTimeout(gracefulExit, 3000);
+      }
+    }
+
+    /**
+     * Returns the list of transports and exceptionHandlers for this instance.
+     * @returns {Array} - List of transports and exceptionHandlers for this
+     * instance.
+     * @private
+     */
+  }, {
+    key: "_getRejectionHandlers",
+    value: function _getRejectionHandlers() {
+      // Remark (indexzero): since `logger.transports` returns all of the pipes
+      // from the _readableState of the stream we actually get the join of the
+      // explicit handlers and the implicit transports with
+      // `handleRejections: true`
+      return this.logger.transports.filter(function (wrap) {
+        var transport = wrap.transport || wrap;
+        return transport.handleRejections;
+      });
+    }
+  }]);
+}();

node_modules/winston/dist/winston/rejection-stream.js

@@ -0,0 +1,72 @@
+/**
+ * rejection-stream.js: TODO: add file header handler.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var _require = require('readable-stream'),
+  Writable = _require.Writable;
+
+/**
+ * TODO: add class description.
+ * @type {RejectionStream}
+ * @extends {Writable}
+ */
+module.exports = /*#__PURE__*/function (_Writable) {
+  /**
+   * Constructor function for the RejectionStream responsible for wrapping a
+   * TransportStream; only allowing writes of `info` objects with
+   * `info.rejection` set to true.
+   * @param {!TransportStream} transport - Stream to filter to rejections
+   */
+  function RejectionStream(transport) {
+    var _this;
+    _classCallCheck(this, RejectionStream);
+    _this = _callSuper(this, RejectionStream, [{
+      objectMode: true
+    }]);
+    if (!transport) {
+      throw new Error('RejectionStream requires a TransportStream instance.');
+    }
+    _this.handleRejections = true;
+    _this.transport = transport;
+    return _this;
+  }
+
+  /**
+   * Writes the info object to our transport instance if (and only if) the
+   * `rejection` property is set on the info.
+   * @param {mixed} info - TODO: add param description.
+   * @param {mixed} enc - TODO: add param description.
+   * @param {mixed} callback - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  _inherits(RejectionStream, _Writable);
+  return _createClass(RejectionStream, [{
+    key: "_write",
+    value: function _write(info, enc, callback) {
+      if (info.rejection) {
+        return this.transport.log(info, callback);
+      }
+      callback();
+      return true;
+    }
+  }]);
+}(Writable);

node_modules/winston/dist/winston/tail-file.js

@@ -0,0 +1,113 @@
+/**
+ * tail-file.js: TODO: add file header description.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+var fs = require('fs');
+var _require = require('string_decoder'),
+  StringDecoder = _require.StringDecoder;
+var _require2 = require('readable-stream'),
+  Stream = _require2.Stream;
+
+/**
+ * Simple no-op function.
+ * @returns {undefined}
+ */
+function noop() {}
+
+/**
+ * TODO: add function description.
+ * @param {Object} options - Options for tail.
+ * @param {function} iter - Iterator function to execute on every line.
+* `tail -f` a file. Options must include file.
+ * @returns {mixed} - TODO: add return description.
+ */
+module.exports = function (options, iter) {
+  var buffer = Buffer.alloc(64 * 1024);
+  var decode = new StringDecoder('utf8');
+  var stream = new Stream();
+  var buff = '';
+  var pos = 0;
+  var row = 0;
+  if (options.start === -1) {
+    delete options.start;
+  }
+  stream.readable = true;
+  stream.destroy = function () {
+    stream.destroyed = true;
+    stream.emit('end');
+    stream.emit('close');
+  };
+  fs.open(options.file, 'a+', '0644', function (err, fd) {
+    if (err) {
+      if (!iter) {
+        stream.emit('error', err);
+      } else {
+        iter(err);
+      }
+      stream.destroy();
+      return;
+    }
+    (function read() {
+      if (stream.destroyed) {
+        fs.close(fd, noop);
+        return;
+      }
+      return fs.read(fd, buffer, 0, buffer.length, pos, function (error, bytes) {
+        if (error) {
+          if (!iter) {
+            stream.emit('error', error);
+          } else {
+            iter(error);
+          }
+          stream.destroy();
+          return;
+        }
+        if (!bytes) {
+          if (buff) {
+            // eslint-disable-next-line eqeqeq
+            if (options.start == null || row > options.start) {
+              if (!iter) {
+                stream.emit('line', buff);
+              } else {
+                iter(null, buff);
+              }
+            }
+            row++;
+            buff = '';
+          }
+          return setTimeout(read, 1000);
+        }
+        var data = decode.write(buffer.slice(0, bytes));
+        if (!iter) {
+          stream.emit('data', data);
+        }
+        data = (buff + data).split(/\n+/);
+        var l = data.length - 1;
+        var i = 0;
+        for (; i < l; i++) {
+          // eslint-disable-next-line eqeqeq
+          if (options.start == null || row > options.start) {
+            if (!iter) {
+              stream.emit('line', data[i]);
+            } else {
+              iter(null, data[i]);
+            }
+          }
+          row++;
+        }
+        buff = data[l];
+        pos += bytes;
+        return read();
+      });
+    })();
+  });
+  if (!iter) {
+    return stream;
+  }
+  return stream.destroy;
+};

node_modules/winston/dist/winston/transports/console.js

@@ -0,0 +1,143 @@
+/* eslint-disable no-console */
+/*
+ * console.js: Transport for outputting to the console.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var os = require('os');
+var _require = require('triple-beam'),
+  LEVEL = _require.LEVEL,
+  MESSAGE = _require.MESSAGE;
+var TransportStream = require('winston-transport');
+
+/**
+ * Transport for outputting to the console.
+ * @type {Console}
+ * @extends {TransportStream}
+ */
+module.exports = /*#__PURE__*/function (_TransportStream) {
+  /**
+   * Constructor function for the Console transport object responsible for
+   * persisting log messages and metadata to a terminal or TTY.
+   * @param {!Object} [options={}] - Options for this instance.
+   */
+  function Console() {
+    var _this;
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    _classCallCheck(this, Console);
+    _this = _callSuper(this, Console, [options]);
+
+    // Expose the name of this Transport on the prototype
+    _this.name = options.name || 'console';
+    _this.stderrLevels = _this._stringArrayToSet(options.stderrLevels);
+    _this.consoleWarnLevels = _this._stringArrayToSet(options.consoleWarnLevels);
+    _this.eol = typeof options.eol === 'string' ? options.eol : os.EOL;
+    _this.forceConsole = options.forceConsole || false;
+
+    // Keep a reference to the log, warn, and error console methods
+    // in case they get redirected to this transport after the logger is
+    // instantiated. This prevents a circular reference issue.
+    _this._consoleLog = console.log.bind(console);
+    _this._consoleWarn = console.warn.bind(console);
+    _this._consoleError = console.error.bind(console);
+    _this.setMaxListeners(30);
+    return _this;
+  }
+
+  /**
+   * Core logging method exposed to Winston.
+   * @param {Object} info - TODO: add param description.
+   * @param {Function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  _inherits(Console, _TransportStream);
+  return _createClass(Console, [{
+    key: "log",
+    value: function log(info, callback) {
+      var _this2 = this;
+      setImmediate(function () {
+        return _this2.emit('logged', info);
+      });
+
+      // Remark: what if there is no raw...?
+      if (this.stderrLevels[info[LEVEL]]) {
+        if (console._stderr && !this.forceConsole) {
+          // Node.js maps `process.stderr` to `console._stderr`.
+          console._stderr.write("".concat(info[MESSAGE]).concat(this.eol));
+        } else {
+          // console.error adds a newline
+          this._consoleError(info[MESSAGE]);
+        }
+        if (callback) {
+          callback(); // eslint-disable-line callback-return
+        }
+        return;
+      } else if (this.consoleWarnLevels[info[LEVEL]]) {
+        if (console._stderr && !this.forceConsole) {
+          // Node.js maps `process.stderr` to `console._stderr`.
+          // in Node.js console.warn is an alias for console.error
+          console._stderr.write("".concat(info[MESSAGE]).concat(this.eol));
+        } else {
+          // console.warn adds a newline
+          this._consoleWarn(info[MESSAGE]);
+        }
+        if (callback) {
+          callback(); // eslint-disable-line callback-return
+        }
+        return;
+      }
+      if (console._stdout && !this.forceConsole) {
+        // Node.js maps `process.stdout` to `console._stdout`.
+        console._stdout.write("".concat(info[MESSAGE]).concat(this.eol));
+      } else {
+        // console.log adds a newline.
+        this._consoleLog(info[MESSAGE]);
+      }
+      if (callback) {
+        callback(); // eslint-disable-line callback-return
+      }
+    }
+
+    /**
+     * Returns a Set-like object with strArray's elements as keys (each with the
+     * value true).
+     * @param {Array} strArray - Array of Set-elements as strings.
+     * @param {?string} [errMsg] - Custom error message thrown on invalid input.
+     * @returns {Object} - TODO: add return description.
+     * @private
+     */
+  }, {
+    key: "_stringArrayToSet",
+    value: function _stringArrayToSet(strArray, errMsg) {
+      if (!strArray) return {};
+      errMsg = errMsg || 'Cannot make set from type other than Array of string elements';
+      if (!Array.isArray(strArray)) {
+        throw new Error(errMsg);
+      }
+      return strArray.reduce(function (set, el) {
+        if (typeof el !== 'string') {
+          throw new Error(errMsg);
+        }
+        set[el] = true;
+        return set;
+      }, {});
+    }
+  }]);
+}(TransportStream);

node_modules/winston/dist/winston/transports/file.js

@@ -0,0 +1,825 @@
+/* eslint-disable complexity,max-statements */
+/**
+ * file.js: Transport for outputting to a local log file.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _readOnlyError(r) { throw new TypeError('"' + r + '" is read-only'); }
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var fs = require('fs');
+var path = require('path');
+var asyncSeries = require('async/series');
+var zlib = require('zlib');
+var _require = require('triple-beam'),
+  MESSAGE = _require.MESSAGE;
+var _require2 = require('readable-stream'),
+  Stream = _require2.Stream,
+  PassThrough = _require2.PassThrough;
+var TransportStream = require('winston-transport');
+var debug = require('@dabh/diagnostics')('winston:file');
+var os = require('os');
+var tailFile = require('../tail-file');
+
+/**
+ * Transport for outputting to a local log file.
+ * @type {File}
+ * @extends {TransportStream}
+ */
+module.exports = /*#__PURE__*/function (_TransportStream) {
+  /**
+   * Constructor function for the File transport object responsible for
+   * persisting log messages and metadata to one or more files.
+   * @param {Object} options - Options for this instance.
+   */
+  function File() {
+    var _this;
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    _classCallCheck(this, File);
+    _this = _callSuper(this, File, [options]);
+
+    // Expose the name of this Transport on the prototype.
+    _this.name = options.name || 'file';
+
+    // Helper function which throws an `Error` in the event that any of the
+    // rest of the arguments is present in `options`.
+    function throwIf(target) {
+      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+        args[_key - 1] = arguments[_key];
+      }
+      args.slice(1).forEach(function (name) {
+        if (options[name]) {
+          throw new Error("Cannot set ".concat(name, " and ").concat(target, " together"));
+        }
+      });
+    }
+
+    // Setup the base stream that always gets piped to to handle buffering.
+    _this._stream = new PassThrough();
+    _this._stream.setMaxListeners(30);
+
+    // Bind this context for listener methods.
+    _this._onError = _this._onError.bind(_this);
+    if (options.filename || options.dirname) {
+      throwIf('filename or dirname', 'stream');
+      _this._basename = _this.filename = options.filename ? path.basename(options.filename) : 'winston.log';
+      _this.dirname = options.dirname || path.dirname(options.filename);
+      _this.options = options.options || {
+        flags: 'a'
+      };
+    } else if (options.stream) {
+      // eslint-disable-next-line no-console
+      console.warn('options.stream will be removed in winston@4. Use winston.transports.Stream');
+      throwIf('stream', 'filename', 'maxsize');
+      _this._dest = _this._stream.pipe(_this._setupStream(options.stream));
+      _this.dirname = path.dirname(_this._dest.path);
+      // We need to listen for drain events when write() returns false. This
+      // can make node mad at times.
+    } else {
+      throw new Error('Cannot log to file without filename or stream.');
+    }
+    _this.maxsize = options.maxsize || null;
+    _this.rotationFormat = options.rotationFormat || false;
+    _this.zippedArchive = options.zippedArchive || false;
+    _this.maxFiles = options.maxFiles || null;
+    _this.eol = typeof options.eol === 'string' ? options.eol : os.EOL;
+    _this.tailable = options.tailable || false;
+    _this.lazy = options.lazy || false;
+
+    // Internal state variables representing the number of files this instance
+    // has created and the current size (in bytes) of the current logfile.
+    _this._size = 0;
+    _this._pendingSize = 0;
+    _this._created = 0;
+    _this._drain = false;
+    _this._opening = false;
+    _this._ending = false;
+    _this._fileExist = false;
+    if (_this.dirname) _this._createLogDirIfNotExist(_this.dirname);
+    if (!_this.lazy) _this.open();
+    return _this;
+  }
+  _inherits(File, _TransportStream);
+  return _createClass(File, [{
+    key: "finishIfEnding",
+    value: function finishIfEnding() {
+      var _this2 = this;
+      if (this._ending) {
+        if (this._opening) {
+          this.once('open', function () {
+            _this2._stream.once('finish', function () {
+              return _this2.emit('finish');
+            });
+            setImmediate(function () {
+              return _this2._stream.end();
+            });
+          });
+        } else {
+          this._stream.once('finish', function () {
+            return _this2.emit('finish');
+          });
+          setImmediate(function () {
+            return _this2._stream.end();
+          });
+        }
+      }
+    }
+
+    /**
+     * Called by Node.js Writable stream before emitting 'finish'.
+     * Ensures all buffered data is flushed to the underlying file stream
+     * before the transport signals completion.
+     * @param {Function} callback - Callback to signal completion.
+     * @private
+     */
+  }, {
+    key: "_final",
+    value: function _final(callback) {
+      var _this3 = this;
+      // If still opening, wait for the file to be opened first
+      if (this._opening) {
+        this.once('open', function () {
+          return _this3._final(callback);
+        });
+        return;
+      }
+
+      // End the PassThrough stream
+      this._stream.end();
+
+      // No destination stream, call callback immediately
+      if (!this._dest) {
+        return callback();
+      }
+
+      // Destination is already finished
+      if (this._dest.writableFinished) {
+        return callback();
+      }
+
+      // Wait for destination stream to finish writing
+      this._dest.once('finish', callback);
+      this._dest.once('error', callback);
+    }
+
+    /**
+     * Core logging method exposed to Winston. Metadata is optional.
+     * @param {Object} info - TODO: add param description.
+     * @param {Function} callback - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "log",
+    value: function log(info) {
+      var _this4 = this;
+      var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};
+      // Remark: (jcrugzz) What is necessary about this callback(null, true) now
+      // when thinking about 3.x? Should silent be handled in the base
+      // TransportStream _write method?
+      if (this.silent) {
+        callback();
+        return true;
+      }
+
+      // Output stream buffer is full and has asked us to wait for the drain event
+      if (this._drain) {
+        this._stream.once('drain', function () {
+          _this4._drain = false;
+          _this4.log(info, callback);
+        });
+        return;
+      }
+      if (this._rotate) {
+        this._stream.once('rotate', function () {
+          _this4._rotate = false;
+          _this4.log(info, callback);
+        });
+        return;
+      }
+      if (this.lazy) {
+        if (!this._fileExist) {
+          if (!this._opening) {
+            this.open();
+          }
+          this.once('open', function () {
+            _this4._fileExist = true;
+            _this4.log(info, callback);
+            return;
+          });
+          return;
+        }
+        if (this._needsNewFile(this._pendingSize)) {
+          this._dest.once('close', function () {
+            if (!_this4._opening) {
+              _this4.open();
+            }
+            _this4.once('open', function () {
+              _this4.log(info, callback);
+              return;
+            });
+            return;
+          });
+          return;
+        }
+      }
+
+      // Grab the raw string and append the expected EOL.
+      var output = "".concat(info[MESSAGE]).concat(this.eol);
+      var bytes = Buffer.byteLength(output);
+
+      // After we have written to the PassThrough check to see if we need
+      // to rotate to the next file.
+      //
+      // Remark: This gets called too early and does not depict when data
+      // has been actually flushed to disk.
+      function logged() {
+        var _this5 = this;
+        this._size += bytes;
+        this._pendingSize -= bytes;
+        debug('logged %s %s', this._size, output);
+        this.emit('logged', info);
+
+        // Do not attempt to rotate files while rotating
+        if (this._rotate) {
+          return;
+        }
+
+        // Do not attempt to rotate files while opening
+        if (this._opening) {
+          return;
+        }
+
+        // Check to see if we need to end the stream and create a new one.
+        if (!this._needsNewFile()) {
+          return;
+        }
+        if (this.lazy) {
+          this._endStream(function () {
+            _this5.emit('fileclosed');
+          });
+          return;
+        }
+
+        // End the current stream, ensure it flushes and create a new one.
+        // This could potentially be optimized to not run a stat call but its
+        // the safest way since we are supporting `maxFiles`.
+        this._rotate = true;
+        this._endStream(function () {
+          return _this5._rotateFile();
+        });
+      }
+
+      // Keep track of the pending bytes being written while files are opening
+      // in order to properly rotate the PassThrough this._stream when the file
+      // eventually does open.
+      this._pendingSize += bytes;
+      if (this._opening && !this.rotatedWhileOpening && this._needsNewFile(this._size + this._pendingSize)) {
+        this.rotatedWhileOpening = true;
+      }
+      var written = this._stream.write(output, logged.bind(this));
+      if (!written) {
+        this._drain = true;
+        this._stream.once('drain', function () {
+          _this4._drain = false;
+          callback();
+        });
+      } else {
+        callback(); // eslint-disable-line callback-return
+      }
+      debug('written', written, this._drain);
+      this.finishIfEnding();
+      return written;
+    }
+
+    /**
+     * Query the transport. Options object is optional.
+     * @param {Object} options - Loggly-like query options for this instance.
+     * @param {function} callback - Continuation to respond to when complete.
+     * TODO: Refactor me.
+     */
+  }, {
+    key: "query",
+    value: function query(options, callback) {
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+      options = normalizeQuery(options);
+      var file = path.join(this.dirname, this.filename);
+      var buff = '';
+      var results = [];
+      var row = 0;
+      var stream = fs.createReadStream(file, {
+        encoding: 'utf8'
+      });
+      stream.on('error', function (err) {
+        if (stream.readable) {
+          stream.destroy();
+        }
+        if (!callback) {
+          return;
+        }
+        return err.code !== 'ENOENT' ? callback(err) : callback(null, results);
+      });
+      stream.on('data', function (data) {
+        data = (buff + data).split(/\n+/);
+        var l = data.length - 1;
+        var i = 0;
+        for (; i < l; i++) {
+          if (!options.start || row >= options.start) {
+            add(data[i]);
+          }
+          row++;
+        }
+        buff = data[l];
+      });
+      stream.on('close', function () {
+        if (buff) {
+          add(buff, true);
+        }
+        if (options.order === 'desc') {
+          results = results.reverse();
+        }
+
+        // eslint-disable-next-line callback-return
+        if (callback) callback(null, results);
+      });
+      function add(buff, attempt) {
+        try {
+          var log = JSON.parse(buff);
+          if (check(log)) {
+            push(log);
+          }
+        } catch (e) {
+          if (!attempt) {
+            stream.emit('error', e);
+          }
+        }
+      }
+      function push(log) {
+        if (options.rows && results.length >= options.rows && options.order !== 'desc') {
+          if (stream.readable) {
+            stream.destroy();
+          }
+          return;
+        }
+        if (options.fields) {
+          log = options.fields.reduce(function (obj, key) {
+            obj[key] = log[key];
+            return obj;
+          }, {});
+        }
+        if (options.order === 'desc') {
+          if (results.length >= options.rows) {
+            results.shift();
+          }
+        }
+        results.push(log);
+      }
+      function check(log) {
+        if (!log) {
+          return;
+        }
+        if (_typeof(log) !== 'object') {
+          return;
+        }
+        var time = new Date(log.timestamp);
+        if (options.from && time < options.from || options.until && time > options.until || options.level && options.level !== log.level) {
+          return;
+        }
+        return true;
+      }
+      function normalizeQuery(options) {
+        options = options || {};
+
+        // limit
+        options.rows = options.rows || options.limit || 10;
+
+        // starting row offset
+        options.start = options.start || 0;
+
+        // now
+        options.until = options.until || new Date();
+        if (_typeof(options.until) !== 'object') {
+          options.until = new Date(options.until);
+        }
+
+        // now - 24
+        options.from = options.from || options.until - 24 * 60 * 60 * 1000;
+        if (_typeof(options.from) !== 'object') {
+          options.from = new Date(options.from);
+        }
+
+        // 'asc' or 'desc'
+        options.order = options.order || 'desc';
+        return options;
+      }
+    }
+
+    /**
+     * Returns a log stream for this transport. Options object is optional.
+     * @param {Object} options - Stream options for this instance.
+     * @returns {Stream} - TODO: add return description.
+     * TODO: Refactor me.
+     */
+  }, {
+    key: "stream",
+    value: function stream() {
+      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+      var file = path.join(this.dirname, this.filename);
+      var stream = new Stream();
+      var tail = {
+        file: file,
+        start: options.start
+      };
+      stream.destroy = tailFile(tail, function (err, line) {
+        if (err) {
+          return stream.emit('error', err);
+        }
+        try {
+          stream.emit('data', line);
+          line = JSON.parse(line);
+          stream.emit('log', line);
+        } catch (e) {
+          stream.emit('error', e);
+        }
+      });
+      return stream;
+    }
+
+    /**
+     * Checks to see the filesize of.
+     * @returns {undefined}
+     */
+  }, {
+    key: "open",
+    value: function open() {
+      var _this6 = this;
+      // If we do not have a filename then we were passed a stream and
+      // don't need to keep track of size.
+      if (!this.filename) return;
+      if (this._opening) return;
+      this._opening = true;
+
+      // Stat the target file to get the size and create the stream.
+      this.stat(function (err, size) {
+        if (err) {
+          return _this6.emit('error', err);
+        }
+        debug('stat done: %s { size: %s }', _this6.filename, size);
+        _this6._size = size;
+        _this6._dest = _this6._createStream(_this6._stream);
+        _this6._opening = false;
+        _this6.once('open', function () {
+          if (!_this6._stream.emit('rotate')) {
+            _this6._rotate = false;
+          }
+        });
+      });
+    }
+
+    /**
+     * Stat the file and assess information in order to create the proper stream.
+     * @param {function} callback - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "stat",
+    value: function stat(callback) {
+      var _this7 = this;
+      var target = this._getFile();
+      var fullpath = path.join(this.dirname, target);
+      fs.stat(fullpath, function (err, stat) {
+        if (err && err.code === 'ENOENT') {
+          debug('ENOENT ok', fullpath);
+          // Update internally tracked filename with the new target name.
+          _this7.filename = target;
+          return callback(null, 0);
+        }
+        if (err) {
+          debug("err ".concat(err.code, " ").concat(fullpath));
+          return callback(err);
+        }
+        if (!stat || _this7._needsNewFile(stat.size)) {
+          // If `stats.size` is greater than the `maxsize` for this
+          // instance then try again.
+          return _this7._incFile(function () {
+            return _this7.stat(callback);
+          });
+        }
+
+        // Once we have figured out what the filename is, set it
+        // and return the size.
+        _this7.filename = target;
+        callback(null, stat.size);
+      });
+    }
+
+    /**
+     * Closes the stream associated with this instance.
+     * @param {function} cb - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "close",
+    value: function close(cb) {
+      var _this8 = this;
+      if (!this._stream) {
+        return;
+      }
+      this._stream.end(function () {
+        if (cb) {
+          cb(); // eslint-disable-line callback-return
+        }
+        _this8.emit('flush');
+        _this8.emit('closed');
+      });
+    }
+
+    /**
+     * TODO: add method description.
+     * @param {number} size - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "_needsNewFile",
+    value: function _needsNewFile(size) {
+      size = size || this._size;
+      return this.maxsize && size >= this.maxsize;
+    }
+
+    /**
+     * TODO: add method description.
+     * @param {Error} err - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "_onError",
+    value: function _onError(err) {
+      this.emit('error', err);
+    }
+
+    /**
+     * TODO: add method description.
+     * @param {Stream} stream - TODO: add param description.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "_setupStream",
+    value: function _setupStream(stream) {
+      stream.on('error', this._onError);
+      return stream;
+    }
+
+    /**
+     * TODO: add method description.
+     * @param {Stream} stream - TODO: add param description.
+     * @returns {mixed} - TODO: add return description.
+     */
+  }, {
+    key: "_cleanupStream",
+    value: function _cleanupStream(stream) {
+      stream.removeListener('error', this._onError);
+      stream.destroy();
+      return stream;
+    }
+
+    /**
+     * TODO: add method description.
+     */
+  }, {
+    key: "_rotateFile",
+    value: function _rotateFile() {
+      var _this9 = this;
+      this._incFile(function () {
+        return _this9.open();
+      });
+    }
+
+    /**
+     * Unpipe from the stream that has been marked as full and end it so it
+     * flushes to disk.
+     *
+     * @param {function} callback - Callback for when the current file has closed.
+     * @private
+     */
+  }, {
+    key: "_endStream",
+    value: function _endStream() {
+      var _this0 = this;
+      var callback = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : function () {};
+      if (this._dest) {
+        this._stream.unpipe(this._dest);
+        this._dest.end(function () {
+          _this0._cleanupStream(_this0._dest);
+          callback();
+        });
+      } else {
+        callback(); // eslint-disable-line callback-return
+      }
+    }
+
+    /**
+     * Returns the WritableStream for the active file on this instance. If we
+     * should gzip the file then a zlib stream is returned.
+     *
+     * @param {ReadableStream} source –PassThrough to pipe to the file when open.
+     * @returns {WritableStream} Stream that writes to disk for the active file.
+     */
+  }, {
+    key: "_createStream",
+    value: function _createStream(source) {
+      var _this1 = this;
+      var fullpath = path.join(this.dirname, this.filename);
+      debug('create stream start', fullpath, this.options);
+      var dest = fs.createWriteStream(fullpath, this.options)
+      // TODO: What should we do with errors here?
+      .on('error', function (err) {
+        return debug(err);
+      }).on('close', function () {
+        return debug('close', dest.path, dest.bytesWritten);
+      }).on('open', function () {
+        debug('file open ok', fullpath);
+        _this1.emit('open', fullpath);
+        source.pipe(dest);
+
+        // If rotation occured during the open operation then we immediately
+        // start writing to a new PassThrough, begin opening the next file
+        // and cleanup the previous source and dest once the source has drained.
+        if (_this1.rotatedWhileOpening) {
+          _this1._stream = new PassThrough();
+          _this1._stream.setMaxListeners(30);
+          _this1._rotateFile();
+          _this1.rotatedWhileOpening = false;
+          _this1._cleanupStream(dest);
+          source.end();
+        }
+      });
+      debug('create stream ok', fullpath);
+      return dest;
+    }
+
+    /**
+     * TODO: add method description.
+     * @param {function} callback - TODO: add param description.
+     * @returns {undefined}
+     */
+  }, {
+    key: "_incFile",
+    value: function _incFile(callback) {
+      debug('_incFile', this.filename);
+      var ext = path.extname(this._basename);
+      var basename = path.basename(this._basename, ext);
+      var tasks = [];
+      if (this.zippedArchive) {
+        tasks.push(function (cb) {
+          var num = this._created > 0 && !this.tailable ? this._created : '';
+          this._compressFile(path.join(this.dirname, "".concat(basename).concat(num).concat(ext)), path.join(this.dirname, "".concat(basename).concat(num).concat(ext, ".gz")), cb);
+        }.bind(this));
+      }
+      tasks.push(function (cb) {
+        if (!this.tailable) {
+          this._created += 1;
+          this._checkMaxFilesIncrementing(ext, basename, cb);
+        } else {
+          this._checkMaxFilesTailable(ext, basename, cb);
+        }
+      }.bind(this));
+      asyncSeries(tasks, callback);
+    }
+
+    /**
+     * Gets the next filename to use for this instance in the case that log
+     * filesizes are being capped.
+     * @returns {string} - TODO: add return description.
+     * @private
+     */
+  }, {
+    key: "_getFile",
+    value: function _getFile() {
+      var ext = path.extname(this._basename);
+      var basename = path.basename(this._basename, ext);
+      var isRotation = this.rotationFormat ? this.rotationFormat() : this._created;
+
+      // Caveat emptor (indexzero): rotationFormat() was broken by design When
+      // combined with max files because the set of files to unlink is never
+      // stored.
+      return !this.tailable && this._created ? "".concat(basename).concat(isRotation).concat(ext) : "".concat(basename).concat(ext);
+    }
+
+    /**
+     * Increment the number of files created or checked by this instance.
+     * @param {mixed} ext - TODO: add param description.
+     * @param {mixed} basename - TODO: add param description.
+     * @param {mixed} callback - TODO: add param description.
+     * @returns {undefined}
+     * @private
+     */
+  }, {
+    key: "_checkMaxFilesIncrementing",
+    value: function _checkMaxFilesIncrementing(ext, basename, callback) {
+      // Check for maxFiles option and delete file.
+      if (!this.maxFiles || this._created < this.maxFiles) {
+        return setImmediate(callback);
+      }
+      var oldest = this._created - this.maxFiles;
+      var isOldest = oldest !== 0 ? oldest : '';
+      var isZipped = this.zippedArchive ? '.gz' : '';
+      var filePath = "".concat(basename).concat(isOldest).concat(ext).concat(isZipped);
+      var target = path.join(this.dirname, filePath);
+      fs.unlink(target, callback);
+    }
+
+    /**
+     * Roll files forward based on integer, up to maxFiles. e.g. if base if
+     * file.log and it becomes oversized, roll to file1.log, and allow file.log
+     * to be re-used. If file is oversized again, roll file1.log to file2.log,
+     * roll file.log to file1.log, and so on.
+     * @param {mixed} ext - TODO: add param description.
+     * @param {mixed} basename - TODO: add param description.
+     * @param {mixed} callback - TODO: add param description.
+     * @returns {undefined}
+     * @private
+     */
+  }, {
+    key: "_checkMaxFilesTailable",
+    value: function _checkMaxFilesTailable(ext, basename, callback) {
+      var _this11 = this;
+      var tasks = [];
+      if (!this.maxFiles) {
+        return;
+      }
+
+      // const isZipped = this.zippedArchive ? '.gz' : '';
+      var isZipped = this.zippedArchive ? '.gz' : '';
+      for (var x = this.maxFiles - 1; x > 1; x--) {
+        tasks.push(function (i, cb) {
+          var _this10 = this;
+          var fileName = "".concat(basename).concat(i - 1).concat(ext).concat(isZipped);
+          var tmppath = path.join(this.dirname, fileName);
+          fs.exists(tmppath, function (exists) {
+            if (!exists) {
+              return cb(null);
+            }
+            fileName = "".concat(basename).concat(i).concat(ext).concat(isZipped);
+            fs.rename(tmppath, path.join(_this10.dirname, fileName), cb);
+          });
+        }.bind(this, x));
+      }
+      asyncSeries(tasks, function () {
+        fs.rename(path.join(_this11.dirname, "".concat(basename).concat(ext).concat(isZipped)), path.join(_this11.dirname, "".concat(basename, "1").concat(ext).concat(isZipped)), callback);
+      });
+    }
+
+    /**
+     * Compresses src to dest with gzip and unlinks src
+     * @param {string} src - path to source file.
+     * @param {string} dest - path to zipped destination file.
+     * @param {Function} callback - callback called after file has been compressed.
+     * @returns {undefined}
+     * @private
+     */
+  }, {
+    key: "_compressFile",
+    value: function _compressFile(src, dest, callback) {
+      fs.access(src, fs.F_OK, function (err) {
+        if (err) {
+          return callback();
+        }
+        var gzip = zlib.createGzip();
+        var inp = fs.createReadStream(src);
+        var out = fs.createWriteStream(dest);
+        out.on('finish', function () {
+          fs.unlink(src, callback);
+        });
+        inp.pipe(gzip).pipe(out);
+      });
+    }
+  }, {
+    key: "_createLogDirIfNotExist",
+    value: function _createLogDirIfNotExist(dirPath) {
+      /* eslint-disable no-sync */
+      if (!fs.existsSync(dirPath)) {
+        fs.mkdirSync(dirPath, {
+          recursive: true
+        });
+      }
+      /* eslint-enable no-sync */
+    }
+  }]);
+}(TransportStream);

node_modules/winston/dist/winston/transports/http.js

@@ -0,0 +1,288 @@
+/**
+ * http.js: Transport for outputting to a json-rpcserver.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
+function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
+function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
+function _readOnlyError(r) { throw new TypeError('"' + r + '" is read-only'); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var http = require('http');
+var https = require('https');
+var _require = require('readable-stream'),
+  Stream = _require.Stream;
+var TransportStream = require('winston-transport');
+var _require2 = require('safe-stable-stringify'),
+  configure = _require2.configure;
+
+/**
+ * Transport for outputting to a json-rpc server.
+ * @type {Stream}
+ * @extends {TransportStream}
+ */
+module.exports = /*#__PURE__*/function (_TransportStream) {
+  /**
+   * Constructor function for the Http transport object responsible for
+   * persisting log messages and metadata to a terminal or TTY.
+   * @param {!Object} [options={}] - Options for this instance.
+   */
+  // eslint-disable-next-line max-statements
+  function Http() {
+    var _this;
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    _classCallCheck(this, Http);
+    _this = _callSuper(this, Http, [options]);
+    _this.options = options;
+    _this.name = options.name || 'http';
+    _this.ssl = !!options.ssl;
+    _this.host = options.host || 'localhost';
+    _this.port = options.port;
+    _this.auth = options.auth;
+    _this.path = options.path || '';
+    _this.maximumDepth = options.maximumDepth;
+    _this.agent = options.agent;
+    _this.headers = options.headers || {};
+    _this.headers['content-type'] = 'application/json';
+    _this.batch = options.batch || false;
+    _this.batchInterval = options.batchInterval || 5000;
+    _this.batchCount = options.batchCount || 10;
+    _this.batchOptions = [];
+    _this.batchTimeoutID = -1;
+    _this.batchCallback = {};
+    if (!_this.port) {
+      _this.port = _this.ssl ? 443 : 80;
+    }
+    return _this;
+  }
+
+  /**
+   * Core logging method exposed to Winston.
+   * @param {Object} info - TODO: add param description.
+   * @param {function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  _inherits(Http, _TransportStream);
+  return _createClass(Http, [{
+    key: "log",
+    value: function log(info, callback) {
+      var _this2 = this;
+      this._request(info, null, null, function (err, res) {
+        if (res && res.statusCode !== 200) {
+          err = new Error("Invalid HTTP Status Code: ".concat(res.statusCode));
+        }
+        if (err) {
+          _this2.emit('warn', err);
+        } else {
+          _this2.emit('logged', info);
+        }
+      });
+
+      // Remark: (jcrugzz) Fire and forget here so requests dont cause buffering
+      // and block more requests from happening?
+      if (callback) {
+        setImmediate(callback);
+      }
+    }
+
+    /**
+     * Query the transport. Options object is optional.
+     * @param {Object} options -  Loggly-like query options for this instance.
+     * @param {function} callback - Continuation to respond to when complete.
+     * @returns {undefined}
+     */
+  }, {
+    key: "query",
+    value: function query(options, callback) {
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+      options = {
+        method: 'query',
+        params: this.normalizeQuery(options)
+      };
+      var auth = options.params.auth || null;
+      delete options.params.auth;
+      var path = options.params.path || null;
+      delete options.params.path;
+      this._request(options, auth, path, function (err, res, body) {
+        if (res && res.statusCode !== 200) {
+          err = new Error("Invalid HTTP Status Code: ".concat(res.statusCode));
+        }
+        if (err) {
+          return callback(err);
+        }
+        if (typeof body === 'string') {
+          try {
+            body = JSON.parse(body);
+          } catch (e) {
+            return callback(e);
+          }
+        }
+        callback(null, body);
+      });
+    }
+
+    /**
+     * Returns a log stream for this transport. Options object is optional.
+     * @param {Object} options - Stream options for this instance.
+     * @returns {Stream} - TODO: add return description
+     */
+  }, {
+    key: "stream",
+    value: function stream() {
+      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+      var stream = new Stream();
+      options = {
+        method: 'stream',
+        params: options
+      };
+      var path = options.params.path || null;
+      delete options.params.path;
+      var auth = options.params.auth || null;
+      delete options.params.auth;
+      var buff = '';
+      var req = this._request(options, auth, path);
+      stream.destroy = function () {
+        return req.destroy();
+      };
+      req.on('data', function (data) {
+        data = (buff + data).split(/\n+/);
+        var l = data.length - 1;
+        var i = 0;
+        for (; i < l; i++) {
+          try {
+            stream.emit('log', JSON.parse(data[i]));
+          } catch (e) {
+            stream.emit('error', e);
+          }
+        }
+        buff = data[l];
+      });
+      req.on('error', function (err) {
+        return stream.emit('error', err);
+      });
+      return stream;
+    }
+
+    /**
+     * Make a request to a winstond server or any http server which can
+     * handle json-rpc.
+     * @param {function} options - Options to sent the request.
+     * @param {Object?} auth - authentication options
+     * @param {string} path - request path
+     * @param {function} callback - Continuation to respond to when complete.
+     */
+  }, {
+    key: "_request",
+    value: function _request(options, auth, path, callback) {
+      options = options || {};
+      auth = auth || this.auth;
+      path = path || this.path || '';
+      if (this.batch) {
+        this._doBatch(options, callback, auth, path);
+      } else {
+        this._doRequest(options, callback, auth, path);
+      }
+    }
+
+    /**
+     * Send or memorize the options according to batch configuration
+     * @param {function} options - Options to sent the request.
+     * @param {function} callback - Continuation to respond to when complete.
+     * @param {Object?} auth - authentication options
+     * @param {string} path - request path
+     */
+  }, {
+    key: "_doBatch",
+    value: function _doBatch(options, callback, auth, path) {
+      this.batchOptions.push(options);
+      if (this.batchOptions.length === 1) {
+        // First message stored, it's time to start the timeout!
+        var me = this;
+        this.batchCallback = callback;
+        this.batchTimeoutID = setTimeout(function () {
+          // timeout is reached, send all messages to endpoint
+          me.batchTimeoutID = -1;
+          me._doBatchRequest(me.batchCallback, auth, path);
+        }, this.batchInterval);
+      }
+      if (this.batchOptions.length === this.batchCount) {
+        // max batch count is reached, send all messages to endpoint
+        this._doBatchRequest(this.batchCallback, auth, path);
+      }
+    }
+
+    /**
+     * Initiate a request with the memorized batch options, stop the batch timeout
+     * @param {function} callback - Continuation to respond to when complete.
+     * @param {Object?} auth - authentication options
+     * @param {string} path - request path
+     */
+  }, {
+    key: "_doBatchRequest",
+    value: function _doBatchRequest(callback, auth, path) {
+      if (this.batchTimeoutID > 0) {
+        clearTimeout(this.batchTimeoutID);
+        this.batchTimeoutID = -1;
+      }
+      var batchOptionsCopy = this.batchOptions.slice();
+      this.batchOptions = [];
+      this._doRequest(batchOptionsCopy, callback, auth, path);
+    }
+
+    /**
+     * Make a request to a winstond server or any http server which can
+     * handle json-rpc.
+     * @param {function} options - Options to sent the request.
+     * @param {function} callback - Continuation to respond to when complete.
+     * @param {Object?} auth - authentication options
+     * @param {string} path - request path
+     */
+  }, {
+    key: "_doRequest",
+    value: function _doRequest(options, callback, auth, path) {
+      // Prepare options for outgoing HTTP request
+      var headers = Object.assign({}, this.headers);
+      if (auth && auth.bearer) {
+        headers.Authorization = "Bearer ".concat(auth.bearer);
+      }
+      var req = (this.ssl ? https : http).request(_objectSpread(_objectSpread({}, this.options), {}, {
+        method: 'POST',
+        host: this.host,
+        port: this.port,
+        path: "/".concat(path.replace(/^\//, '')),
+        headers: headers,
+        auth: auth && auth.username && auth.password ? "".concat(auth.username, ":").concat(auth.password) : '',
+        agent: this.agent
+      }));
+      req.on('error', callback);
+      req.on('response', function (res) {
+        return res.on('end', function () {
+          return callback(null, res);
+        }).resume();
+      });
+      var jsonStringify = configure(_objectSpread({}, this.maximumDepth && {
+        maximumDepth: this.maximumDepth
+      }));
+      req.end(Buffer.from(jsonStringify(options, this.options.replacer), 'utf8'));
+    }
+  }]);
+}(TransportStream);

node_modules/winston/dist/winston/transports/index.js

@@ -0,0 +1,56 @@
+/**
+ * transports.js: Set of all transports Winston knows about.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+/**
+ * TODO: add property description.
+ * @type {Console}
+ */
+Object.defineProperty(exports, 'Console', {
+  configurable: true,
+  enumerable: true,
+  get: function get() {
+    return require('./console');
+  }
+});
+
+/**
+ * TODO: add property description.
+ * @type {File}
+ */
+Object.defineProperty(exports, 'File', {
+  configurable: true,
+  enumerable: true,
+  get: function get() {
+    return require('./file');
+  }
+});
+
+/**
+ * TODO: add property description.
+ * @type {Http}
+ */
+Object.defineProperty(exports, 'Http', {
+  configurable: true,
+  enumerable: true,
+  get: function get() {
+    return require('./http');
+  }
+});
+
+/**
+ * TODO: add property description.
+ * @type {Stream}
+ */
+Object.defineProperty(exports, 'Stream', {
+  configurable: true,
+  enumerable: true,
+  get: function get() {
+    return require('./stream');
+  }
+});

node_modules/winston/dist/winston/transports/stream.js

@@ -0,0 +1,86 @@
+/**
+ * stream.js: Transport for outputting to any arbitrary stream.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
+function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
+function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
+function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
+function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
+function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
+function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
+function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
+function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
+function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
+function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
+function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
+function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
+var isStream = require('is-stream');
+var _require = require('triple-beam'),
+  MESSAGE = _require.MESSAGE;
+var os = require('os');
+var TransportStream = require('winston-transport');
+
+/**
+ * Transport for outputting to any arbitrary stream.
+ * @type {Stream}
+ * @extends {TransportStream}
+ */
+module.exports = /*#__PURE__*/function (_TransportStream) {
+  /**
+   * Constructor function for the Console transport object responsible for
+   * persisting log messages and metadata to a terminal or TTY.
+   * @param {!Object} [options={}] - Options for this instance.
+   */
+  function Stream() {
+    var _this;
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    _classCallCheck(this, Stream);
+    _this = _callSuper(this, Stream, [options]);
+    if (!options.stream || !isStream(options.stream)) {
+      throw new Error('options.stream is required.');
+    }
+
+    // We need to listen for drain events when write() returns false. This can
+    // make node mad at times.
+    _this._stream = options.stream;
+    _this._stream.setMaxListeners(Infinity);
+    _this.isObjectMode = options.stream._writableState.objectMode;
+    _this.eol = typeof options.eol === 'string' ? options.eol : os.EOL;
+    return _this;
+  }
+
+  /**
+   * Core logging method exposed to Winston.
+   * @param {Object} info - TODO: add param description.
+   * @param {Function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  _inherits(Stream, _TransportStream);
+  return _createClass(Stream, [{
+    key: "log",
+    value: function log(info, callback) {
+      var _this2 = this;
+      setImmediate(function () {
+        return _this2.emit('logged', info);
+      });
+      if (this.isObjectMode) {
+        this._stream.write(info);
+        if (callback) {
+          callback(); // eslint-disable-line callback-return
+        }
+        return;
+      }
+      this._stream.write("".concat(info[MESSAGE]).concat(this.eol));
+      if (callback) {
+        callback(); // eslint-disable-line callback-return
+      }
+      return;
+    }
+  }]);
+}(TransportStream);

node_modules/winston/index.d.ts

@@ -0,0 +1,208 @@
+// Type definitions for winston 3.0
+// Project: https://github.com/winstonjs/winston
+
+/// <reference types="node" />
+
+import * as NodeJSStream from 'stream';
+
+import * as logform from 'logform';
+import * as Transport from 'winston-transport';
+
+import * as Config from './lib/winston/config/index';
+import * as Transports from './lib/winston/transports/index';
+
+declare namespace winston {
+  // Hoisted namespaces from other modules
+  export import format = logform.format;
+  export import Logform = logform;
+  export import config = Config;
+  export import transports = Transports;
+  export import transport = Transport;
+
+  class ExceptionHandler {
+    constructor(logger: Logger);
+    logger: Logger;
+    handlers: Map<any, any>;
+    catcher: Function | boolean;
+
+    handle(...transports: Transport[]): void;
+    unhandle(...transports: Transport[]): void;
+    getAllInfo(err: string | Error): object;
+    getProcessInfo(): object;
+    getOsInfo(): object;
+    getTrace(err: Error): object;
+  }
+
+  class RejectionHandler {
+    constructor(logger: Logger);
+    logger: Logger;
+    handlers: Map<any, any>;
+    catcher: Function | boolean;
+
+    handle(...transports: Transport[]): void;
+    unhandle(...transports: Transport[]): void;
+    getAllInfo(err: string | Error): object;
+    getProcessInfo(): object;
+    getOsInfo(): object;
+    getTrace(err: Error): object;
+  }
+
+  interface QueryOptions {
+    rows?: number;
+    limit?: number;
+    start?: number;
+    from?: Date;
+    until?: Date;
+    order?: 'asc' | 'desc';
+    fields: any;
+  }
+
+  class Profiler {
+    logger: Logger;
+    start: Number;
+    done(info?: any): boolean;
+  }
+
+  interface LogEntry {
+    level: string;
+    message: string;
+    [optionName: string]: any;
+  }
+
+  interface LogMethod {
+    (level: string, message: string, ...meta: any[]): Logger;
+    (entry: LogEntry): Logger;
+    (level: string, message: any): Logger;
+  }
+
+  interface LeveledLogMethod {
+    (message: string, ...meta: any[]): Logger;
+    (message: any): Logger;
+    (infoObject: object): Logger;
+  }
+
+  interface LoggerOptions {
+    levels?: Config.AbstractConfigSetLevels;
+    silent?: boolean;
+    format?: logform.Format;
+    level?: string;
+    exitOnError?: Function | boolean;
+    defaultMeta?: any;
+    transports?: Transport[] | Transport;
+    handleExceptions?: boolean;
+    handleRejections?: boolean;
+    exceptionHandlers?: any;
+    rejectionHandlers?: any;
+  }
+
+  class Logger extends NodeJSStream.Transform {
+    constructor(options?: LoggerOptions);
+
+    silent: boolean;
+    format: logform.Format;
+    levels: Config.AbstractConfigSetLevels;
+    level: string;
+    transports: Transport[];
+    exceptions: ExceptionHandler;
+    rejections: RejectionHandler;
+    profilers: object;
+    exitOnError: Function | boolean;
+    defaultMeta?: any;
+
+    log: LogMethod;
+    add(transport: Transport): this;
+    remove(transport: Transport): this;
+    clear(): this;
+    close(): this;
+
+    // for cli and npm levels
+    error: LeveledLogMethod;
+    warn: LeveledLogMethod;
+    help: LeveledLogMethod;
+    data: LeveledLogMethod;
+    info: LeveledLogMethod;
+    debug: LeveledLogMethod;
+    prompt: LeveledLogMethod;
+    http: LeveledLogMethod;
+    verbose: LeveledLogMethod;
+    input: LeveledLogMethod;
+    silly: LeveledLogMethod;
+
+    // for syslog levels only
+    emerg: LeveledLogMethod;
+    alert: LeveledLogMethod;
+    crit: LeveledLogMethod;
+    warning: LeveledLogMethod;
+    notice: LeveledLogMethod;
+
+    query(
+      options?: QueryOptions,
+      callback?: (err: Error, results: any) => void
+    ): any;
+    stream(options?: any): NodeJS.ReadableStream;
+
+    startTimer(): Profiler;
+    profile(id: string | number, meta?: Record<string, any>): this;
+
+    configure(options: LoggerOptions): void;
+
+    child(options: Object): this;
+
+    isLevelEnabled(level: string): boolean;
+    isErrorEnabled(): boolean;
+    isWarnEnabled(): boolean;
+    isInfoEnabled(): boolean;
+    isVerboseEnabled(): boolean;
+    isDebugEnabled(): boolean;
+    isSillyEnabled(): boolean;
+  }
+
+  class Container {
+    loggers: Map<string, Logger>;
+    options: LoggerOptions;
+
+    add(id: string, options?: LoggerOptions): Logger;
+    get(id: string, options?: LoggerOptions): Logger;
+    has(id: string): boolean;
+    close(id?: string): void;
+
+    constructor(options?: LoggerOptions);
+  }
+
+  let version: string;
+  let loggers: Container;
+
+  let addColors: (target: Config.AbstractConfigSetColors) => any;
+  let createLogger: (options?: LoggerOptions) => Logger;
+
+  // Pass-through npm level methods routed to the default logger.
+  let error: LeveledLogMethod;
+  let warn: LeveledLogMethod;
+  let info: LeveledLogMethod;
+  let http: LeveledLogMethod;
+  let verbose: LeveledLogMethod;
+  let debug: LeveledLogMethod;
+  let silly: LeveledLogMethod;
+
+  // Other pass-through methods routed to the default logger.
+  let log: LogMethod;
+  let query: (
+    options?: QueryOptions,
+    callback?: (err: Error, results: any) => void
+  ) => any;
+  let stream: (options?: any) => NodeJS.ReadableStream;
+  let add: (transport: Transport) => Logger;
+  let remove: (transport: Transport) => Logger;
+  let clear: () => Logger;
+  let startTimer: () => Profiler;
+  let profile: (id: string | number) => Logger;
+  let configure: (options: LoggerOptions) => void;
+  let child: (options: Object) => Logger;
+  let level: string;
+  let exceptions: ExceptionHandler;
+  let rejections: RejectionHandler;
+  let exitOnError: Function | boolean;
+  // let default: object;
+}
+
+export = winston;

node_modules/winston/lib/winston.js

@@ -0,0 +1,191 @@
+/**
+ * winston.js: Top-level include defining Winston.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const logform = require('logform');
+const { warn } = require('./winston/common');
+
+/**
+ * Expose version. Use `require` method for `webpack` support.
+ * @type {string}
+ */
+exports.version = require('../package.json').version;
+/**
+ * Include transports defined by default by winston
+ * @type {Array}
+ */
+exports.transports = require('./winston/transports');
+/**
+ * Expose utility methods
+ * @type {Object}
+ */
+exports.config = require('./winston/config');
+/**
+ * Hoist format-related functionality from logform.
+ * @type {Object}
+ */
+exports.addColors = logform.levels;
+/**
+ * Hoist format-related functionality from logform.
+ * @type {Object}
+ */
+exports.format = logform.format;
+/**
+ * Expose core Logging-related prototypes.
+ * @type {function}
+ */
+exports.createLogger = require('./winston/create-logger');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {function}
+ */
+exports.Logger = require('./winston/logger');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Object}
+ */
+exports.ExceptionHandler = require('./winston/exception-handler');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Object}
+ */
+exports.RejectionHandler = require('./winston/rejection-handler');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Container}
+ */
+exports.Container = require('./winston/container');
+/**
+ * Expose core Logging-related prototypes.
+ * @type {Object}
+ */
+exports.Transport = require('winston-transport');
+/**
+ * We create and expose a default `Container` to `winston.loggers` so that the
+ * programmer may manage multiple `winston.Logger` instances without any
+ * additional overhead.
+ * @example
+ *   // some-file1.js
+ *   const logger = require('winston').loggers.get('something');
+ *
+ *   // some-file2.js
+ *   const logger = require('winston').loggers.get('something');
+ */
+exports.loggers = new exports.Container();
+
+/**
+ * We create and expose a 'defaultLogger' so that the programmer may do the
+ * following without the need to create an instance of winston.Logger directly:
+ * @example
+ *   const winston = require('winston');
+ *   winston.log('info', 'some message');
+ *   winston.error('some error');
+ */
+const defaultLogger = exports.createLogger();
+
+// Pass through the target methods onto `winston.
+Object.keys(exports.config.npm.levels)
+  .concat([
+    'log',
+    'query',
+    'stream',
+    'add',
+    'remove',
+    'clear',
+    'profile',
+    'startTimer',
+    'handleExceptions',
+    'unhandleExceptions',
+    'handleRejections',
+    'unhandleRejections',
+    'configure',
+    'child'
+  ])
+  .forEach(
+    method => (exports[method] = (...args) => defaultLogger[method](...args))
+  );
+
+/**
+ * Define getter / setter for the default logger level which need to be exposed
+ * by winston.
+ * @type {string}
+ */
+Object.defineProperty(exports, 'level', {
+  get() {
+    return defaultLogger.level;
+  },
+  set(val) {
+    defaultLogger.level = val;
+  }
+});
+
+/**
+ * Define getter for `exceptions` which replaces `handleExceptions` and
+ * `unhandleExceptions`.
+ * @type {Object}
+ */
+Object.defineProperty(exports, 'exceptions', {
+  get() {
+    return defaultLogger.exceptions;
+  }
+});
+
+/**
+ * Define getter for `rejections` which replaces `handleRejections` and
+ * `unhandleRejections`.
+ * @type {Object}
+ */
+Object.defineProperty(exports, 'rejections', {
+  get() {
+    return defaultLogger.rejections;
+  }
+});
+
+/**
+ * Define getters / setters for appropriate properties of the default logger
+ * which need to be exposed by winston.
+ * @type {Logger}
+ */
+['exitOnError'].forEach(prop => {
+  Object.defineProperty(exports, prop, {
+    get() {
+      return defaultLogger[prop];
+    },
+    set(val) {
+      defaultLogger[prop] = val;
+    }
+  });
+});
+
+/**
+ * The default transports and exceptionHandlers for the default winston logger.
+ * @type {Object}
+ */
+Object.defineProperty(exports, 'default', {
+  get() {
+    return {
+      exceptionHandlers: defaultLogger.exceptionHandlers,
+      rejectionHandlers: defaultLogger.rejectionHandlers,
+      transports: defaultLogger.transports
+    };
+  }
+});
+
+// Have friendlier breakage notices for properties that were exposed by default
+// on winston < 3.0.
+warn.deprecated(exports, 'setLevels');
+warn.forFunctions(exports, 'useFormat', ['cli']);
+warn.forProperties(exports, 'useFormat', ['padLevels', 'stripColors']);
+warn.forFunctions(exports, 'deprecated', [
+  'addRewriter',
+  'addFilter',
+  'clone',
+  'extend'
+]);
+warn.forProperties(exports, 'deprecated', ['emitErrs', 'levelLength']);
+

node_modules/winston/lib/winston/common.js

@@ -0,0 +1,46 @@
+/**
+ * common.js: Internal helper and utility functions for winston.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const { format } = require('util');
+
+/**
+ * Set of simple deprecation notices and a way to expose them for a set of
+ * properties.
+ * @type {Object}
+ * @private
+ */
+exports.warn = {
+  deprecated(prop) {
+    return () => {
+      throw new Error(format('{ %s } was removed in winston@3.0.0.', prop));
+    };
+  },
+  useFormat(prop) {
+    return () => {
+      throw new Error([
+        format('{ %s } was removed in winston@3.0.0.', prop),
+        'Use a custom winston.format = winston.format(function) instead.'
+      ].join('\n'));
+    };
+  },
+  forFunctions(obj, type, props) {
+    props.forEach(prop => {
+      obj[prop] = exports.warn[type](prop);
+    });
+  },
+  forProperties(obj, type, props) {
+    props.forEach(prop => {
+      const notice = exports.warn[type](prop);
+      Object.defineProperty(obj, prop, {
+        get: notice,
+        set: notice
+      });
+    });
+  }
+};

node_modules/winston/lib/winston/config/index.d.ts

@@ -0,0 +1,99 @@
+// Type definitions for winston 3.0
+// Project: https://github.com/winstonjs/winston
+
+/// <reference types="node" />
+
+declare namespace winston {
+  interface AbstractConfigSetLevels {
+    [key: string]: number;
+  }
+
+  interface AbstractConfigSetColors {
+    [key: string]: string | string[];
+  }
+
+  interface AbstractConfigSet {
+    levels: AbstractConfigSetLevels;
+    colors: AbstractConfigSetColors;
+  }
+
+  interface CliConfigSetLevels extends AbstractConfigSetLevels {
+    error: number;
+    warn: number;
+    help: number;
+    data: number;
+    info: number;
+    debug: number;
+    prompt: number;
+    verbose: number;
+    input: number;
+    silly: number;
+  }
+
+  interface CliConfigSetColors extends AbstractConfigSetColors {
+    error: string | string[];
+    warn: string | string[];
+    help: string | string[];
+    data: string | string[];
+    info: string | string[];
+    debug: string | string[];
+    prompt: string | string[];
+    verbose: string | string[];
+    input: string | string[];
+    silly: string | string[];
+  }
+
+  interface NpmConfigSetLevels extends AbstractConfigSetLevels {
+    error: number;
+    warn: number;
+    info: number;
+    http: number;
+    verbose: number;
+    debug: number;
+    silly: number;
+  }
+
+  interface NpmConfigSetColors extends AbstractConfigSetColors {
+    error: string | string[];
+    warn: string | string[];
+    info: string | string[];
+    http: string | string[];
+    verbose: string | string[];
+    debug: string | string[];
+    silly: string | string[];
+  }
+
+  interface SyslogConfigSetLevels extends AbstractConfigSetLevels {
+    emerg: number;
+    alert: number;
+    crit: number;
+    error: number;
+    warning: number;
+    notice: number;
+    info: number;
+    debug: number;
+  }
+
+  interface SyslogConfigSetColors extends AbstractConfigSetColors {
+    emerg: string | string[];
+    alert: string | string[];
+    crit: string | string[];
+    error: string | string[];
+    warning: string | string[];
+    notice: string | string[];
+    info: string | string[];
+    debug: string | string[];
+  }
+
+  interface Config {
+    allColors: AbstractConfigSetColors;
+    cli: { levels: CliConfigSetLevels, colors: CliConfigSetColors };
+    npm: { levels: NpmConfigSetLevels, colors: NpmConfigSetColors };
+    syslog: { levels: SyslogConfigSetLevels, colors: SyslogConfigSetColors };
+
+    addColors(colors: AbstractConfigSetColors): void;
+  }
+}
+
+declare const winston: winston.Config;
+export = winston;

node_modules/winston/lib/winston/config/index.js

@@ -0,0 +1,35 @@
+/**
+ * index.js: Default settings for all levels that winston knows about.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const logform = require('logform');
+const { configs } = require('triple-beam');
+
+/**
+ * Export config set for the CLI.
+ * @type {Object}
+ */
+exports.cli = logform.levels(configs.cli);
+
+/**
+ * Export config set for npm.
+ * @type {Object}
+ */
+exports.npm = logform.levels(configs.npm);
+
+/**
+ * Export config set for the syslog.
+ * @type {Object}
+ */
+exports.syslog = logform.levels(configs.syslog);
+
+/**
+ * Hoist addColors from logform where it was refactored into in winston@3.
+ * @type {Object}
+ */
+exports.addColors = logform.levels;

node_modules/winston/lib/winston/container.js

@@ -0,0 +1,118 @@
+/**
+ * container.js: Inversion of control container for winston logger instances.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const createLogger = require('./create-logger');
+
+/**
+ * Inversion of control container for winston logger instances.
+ * @type {Container}
+ */
+module.exports = class Container {
+  /**
+   * Constructor function for the Container object responsible for managing a
+   * set of `winston.Logger` instances based on string ids.
+   * @param {!Object} [options={}] - Default pass-thru options for Loggers.
+   */
+  constructor(options = {}) {
+    this.loggers = new Map();
+    this.options = options;
+  }
+
+  /**
+   * Retrieves a `winston.Logger` instance for the specified `id`. If an
+   * instance does not exist, one is created.
+   * @param {!string} id - The id of the Logger to get.
+   * @param {?Object} [options] - Options for the Logger instance.
+   * @returns {Logger} - A configured Logger instance with a specified id.
+   */
+  add(id, options) {
+    if (!this.loggers.has(id)) {
+      // Remark: Simple shallow clone for configuration options in case we pass
+      // in instantiated protoypal objects
+      options = Object.assign({}, options || this.options);
+      const existing = options.transports || this.options.transports;
+
+      // Remark: Make sure if we have an array of transports we slice it to
+      // make copies of those references.
+      if (existing) {
+        options.transports = Array.isArray(existing) ? existing.slice() : [existing];
+      } else {
+        options.transports = [];
+      }
+
+      const logger = createLogger(options);
+      logger.on('close', () => this._delete(id));
+      this.loggers.set(id, logger);
+    }
+
+    return this.loggers.get(id);
+  }
+
+  /**
+   * Retreives a `winston.Logger` instance for the specified `id`. If
+   * an instance does not exist, one is created.
+   * @param {!string} id - The id of the Logger to get.
+   * @param {?Object} [options] - Options for the Logger instance.
+   * @returns {Logger} - A configured Logger instance with a specified id.
+   */
+  get(id, options) {
+    return this.add(id, options);
+  }
+
+  /**
+   * Check if the container has a logger with the id.
+   * @param {?string} id - The id of the Logger instance to find.
+   * @returns {boolean} - Boolean value indicating if this instance has a
+   * logger with the specified `id`.
+   */
+  has(id) {
+    return !!this.loggers.has(id);
+  }
+
+  /**
+   * Closes a `Logger` instance with the specified `id` if it exists.
+   * If no `id` is supplied then all Loggers are closed.
+   * @param {?string} id - The id of the Logger instance to close.
+   * @returns {undefined}
+   */
+  close(id) {
+    if (id) {
+      return this._removeLogger(id);
+    }
+
+    this.loggers.forEach((val, key) => this._removeLogger(key));
+  }
+
+  /**
+   * Remove a logger based on the id.
+   * @param {!string} id - The id of the logger to remove.
+   * @returns {undefined}
+   * @private
+   */
+  _removeLogger(id) {
+    if (!this.loggers.has(id)) {
+      return;
+    }
+
+    const logger = this.loggers.get(id);
+    logger.close();
+    this._delete(id);
+  }
+
+  /**
+   * Deletes a `Logger` instance with the specified `id`.
+   * @param {!string} id - The id of the Logger instance to delete from
+   * container.
+   * @returns {undefined}
+   * @private
+   */
+  _delete(id) {
+    this.loggers.delete(id);
+  }
+};

node_modules/winston/lib/winston/create-logger.js

@@ -0,0 +1,104 @@
+/**
+ * create-logger.js: Logger factory for winston logger instances.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const { LEVEL } = require('triple-beam');
+const config = require('./config');
+const Logger = require('./logger');
+const debug = require('@dabh/diagnostics')('winston:create-logger');
+
+function isLevelEnabledFunctionName(level) {
+  return 'is' + level.charAt(0).toUpperCase() + level.slice(1) + 'Enabled';
+}
+
+/**
+ * Create a new instance of a winston Logger. Creates a new
+ * prototype for each instance.
+ * @param {!Object} opts - Options for the created logger.
+ * @returns {Logger} - A newly created logger instance.
+ */
+module.exports = function (opts = {}) {
+  //
+  // Default levels: npm
+  //
+  opts.levels = opts.levels || config.npm.levels;
+
+  /**
+   * DerivedLogger to attach the logs level methods.
+   * @type {DerivedLogger}
+   * @extends {Logger}
+   */
+  class DerivedLogger extends Logger {
+    /**
+     * Create a new class derived logger for which the levels can be attached to
+     * the prototype of. This is a V8 optimization that is well know to increase
+     * performance of prototype functions.
+     * @param {!Object} options - Options for the created logger.
+     */
+    constructor(options) {
+      super(options);
+    }
+  }
+
+  const logger = new DerivedLogger(opts);
+
+  //
+  // Create the log level methods for the derived logger.
+  //
+  Object.keys(opts.levels).forEach(function (level) {
+    debug('Define prototype method for "%s"', level);
+    if (level === 'log') {
+      // eslint-disable-next-line no-console
+      console.warn('Level "log" not defined: conflicts with the method "log". Use a different level name.');
+      return;
+    }
+
+    //
+    // Define prototype methods for each log level e.g.:
+    // logger.log('info', msg) implies these methods are defined:
+    // - logger.info(msg)
+    // - logger.isInfoEnabled()
+    //
+    // Remark: to support logger.child this **MUST** be a function
+    // so it'll always be called on the instance instead of a fixed
+    // place in the prototype chain.
+    //
+    DerivedLogger.prototype[level] = function (...args) {
+      // Prefer any instance scope, but default to "root" logger
+      const self = this || logger;
+
+      // Optimize the hot-path which is the single object.
+      if (args.length === 1) {
+        const [msg] = args;
+        const info = msg && msg.message && msg || { message: msg };
+        info.level = info[LEVEL] = level;
+        self._addDefaultMeta(info);
+        self.write(info);
+        return (this || logger);
+      }
+
+      // When provided nothing assume the empty string
+      if (args.length === 0) {
+        self.log(level, '');
+        return self;
+      }
+
+      // Otherwise build argument list which could potentially conform to
+      // either:
+      // . v3 API: log(obj)
+      // 2. v1/v2 API: log(level, msg, ... [string interpolate], [{metadata}], [callback])
+      return self.log(level, ...args);
+    };
+
+    DerivedLogger.prototype[isLevelEnabledFunctionName(level)] = function () {
+      return (this || logger).isLevelEnabled(level);
+    };
+  });
+
+  return logger;
+};

node_modules/winston/lib/winston/exception-handler.js

@@ -0,0 +1,245 @@
+/**
+ * exception-handler.js: Object for handling uncaughtException events.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const os = require('os');
+const asyncForEach = require('async/forEach');
+const debug = require('@dabh/diagnostics')('winston:exception');
+const once = require('one-time');
+const stackTrace = require('stack-trace');
+const ExceptionStream = require('./exception-stream');
+
+/**
+ * Object for handling uncaughtException events.
+ * @type {ExceptionHandler}
+ */
+module.exports = class ExceptionHandler {
+  /**
+   * TODO: add contructor description
+   * @param {!Logger} logger - TODO: add param description
+   */
+  constructor(logger) {
+    if (!logger) {
+      throw new Error('Logger is required to handle exceptions');
+    }
+
+    this.logger = logger;
+    this.handlers = new Map();
+  }
+
+  /**
+   * Handles `uncaughtException` events for the current process by adding any
+   * handlers passed in.
+   * @returns {undefined}
+   */
+  handle(...args) {
+    args.forEach(arg => {
+      if (Array.isArray(arg)) {
+        return arg.forEach(handler => this._addHandler(handler));
+      }
+
+      this._addHandler(arg);
+    });
+
+    if (!this.catcher) {
+      this.catcher = this._uncaughtException.bind(this);
+      process.on('uncaughtException', this.catcher);
+    }
+  }
+
+  /**
+   * Removes any handlers to `uncaughtException` events for the current
+   * process. This does not modify the state of the `this.handlers` set.
+   * @returns {undefined}
+   */
+  unhandle() {
+    if (this.catcher) {
+      process.removeListener('uncaughtException', this.catcher);
+      this.catcher = false;
+
+      Array.from(this.handlers.values())
+        .forEach(wrapper => this.logger.unpipe(wrapper));
+    }
+  }
+
+  /**
+   * TODO: add method description
+   * @param {Error} err - Error to get information about.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getAllInfo(err) {
+    let message = null;
+    if (err) {
+      message = typeof err === 'string' ? err : err.message;
+    }
+
+    return {
+      error: err,
+      // TODO (indexzero): how do we configure this?
+      level: 'error',
+      message: [
+        `uncaughtException: ${(message || '(no error message)')}`,
+        err && err.stack || '  No stack trace'
+      ].join('\n'),
+      stack: err && err.stack,
+      exception: true,
+      date: new Date().toString(),
+      process: this.getProcessInfo(),
+      os: this.getOsInfo(),
+      trace: this.getTrace(err)
+    };
+  }
+
+  /**
+   * Gets all relevant process information for the currently running process.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getProcessInfo() {
+    return {
+      pid: process.pid,
+      uid: process.getuid ? process.getuid() : null,
+      gid: process.getgid ? process.getgid() : null,
+      cwd: process.cwd(),
+      execPath: process.execPath,
+      version: process.version,
+      argv: process.argv,
+      memoryUsage: process.memoryUsage()
+    };
+  }
+
+  /**
+   * Gets all relevant OS information for the currently running process.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getOsInfo() {
+    return {
+      loadavg: os.loadavg(),
+      uptime: os.uptime()
+    };
+  }
+
+  /**
+   * Gets a stack trace for the specified error.
+   * @param {mixed} err - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getTrace(err) {
+    const trace = err ? stackTrace.parse(err) : stackTrace.get();
+    return trace.map(site => {
+      return {
+        column: site.getColumnNumber(),
+        file: site.getFileName(),
+        function: site.getFunctionName(),
+        line: site.getLineNumber(),
+        method: site.getMethodName(),
+        native: site.isNative()
+      };
+    });
+  }
+
+  /**
+   * Helper method to add a transport as an exception handler.
+   * @param {Transport} handler - The transport to add as an exception handler.
+   * @returns {void}
+   */
+  _addHandler(handler) {
+    if (!this.handlers.has(handler)) {
+      handler.handleExceptions = true;
+      const wrapper = new ExceptionStream(handler);
+      this.handlers.set(handler, wrapper);
+      this.logger.pipe(wrapper);
+    }
+  }
+
+  /**
+   * Logs all relevant information around the `err` and exits the current
+   * process.
+   * @param {Error} err - Error to handle
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  _uncaughtException(err) {
+    const info = this.getAllInfo(err);
+    const handlers = this._getExceptionHandlers();
+    // Calculate if we should exit on this error
+    let doExit = typeof this.logger.exitOnError === 'function'
+      ? this.logger.exitOnError(err)
+      : this.logger.exitOnError;
+    let timeout;
+
+    if (!handlers.length && doExit) {
+      // eslint-disable-next-line no-console
+      console.warn('winston: exitOnError cannot be true with no exception handlers.');
+      // eslint-disable-next-line no-console
+      console.warn('winston: not exiting process.');
+      doExit = false;
+    }
+
+    function gracefulExit() {
+      debug('doExit', doExit);
+      debug('process._exiting', process._exiting);
+
+      if (doExit && !process._exiting) {
+        // Remark: Currently ignoring any exceptions from transports when
+        // catching uncaught exceptions.
+        if (timeout) {
+          clearTimeout(timeout);
+        }
+        // eslint-disable-next-line no-process-exit
+        process.exit(1);
+      }
+    }
+
+    if (!handlers || handlers.length === 0) {
+      return process.nextTick(gracefulExit);
+    }
+
+    // Log to all transports attempting to listen for when they are completed.
+    asyncForEach(handlers, (handler, next) => {
+      const done = once(next);
+      const transport = handler.transport || handler;
+
+      // Debug wrapping so that we can inspect what's going on under the covers.
+      function onDone(event) {
+        return () => {
+          debug(event);
+          done();
+        };
+      }
+
+      transport._ending = true;
+      transport.once('finish', onDone('finished'));
+      transport.once('error', onDone('error'));
+    }, () => doExit && gracefulExit());
+
+    this.logger.log(info);
+
+    // If exitOnError is true, then only allow the logging of exceptions to
+    // take up to `3000ms`.
+    if (doExit) {
+      timeout = setTimeout(gracefulExit, 3000);
+    }
+  }
+
+  /**
+   * Returns the list of transports and exceptionHandlers for this instance.
+   * @returns {Array} - List of transports and exceptionHandlers for this
+   * instance.
+   * @private
+   */
+  _getExceptionHandlers() {
+    // Remark (indexzero): since `logger.transports` returns all of the pipes
+    // from the _readableState of the stream we actually get the join of the
+    // explicit handlers and the implicit transports with
+    // `handleExceptions: true`
+    return this.logger.transports.filter(wrap => {
+      const transport = wrap.transport || wrap;
+      return transport.handleExceptions;
+    });
+  }
+};

node_modules/winston/lib/winston/exception-stream.js

@@ -0,0 +1,54 @@
+/**
+ * exception-stream.js: TODO: add file header handler.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const { Writable } = require('readable-stream');
+
+/**
+ * TODO: add class description.
+ * @type {ExceptionStream}
+ * @extends {Writable}
+ */
+module.exports = class ExceptionStream extends Writable {
+  /**
+   * Constructor function for the ExceptionStream responsible for wrapping a
+   * TransportStream; only allowing writes of `info` objects with
+   * `info.exception` set to true.
+   * @param {!TransportStream} transport - Stream to filter to exceptions
+   */
+  constructor(transport) {
+    super({ objectMode: true });
+
+    if (!transport) {
+      throw new Error('ExceptionStream requires a TransportStream instance.');
+    }
+
+    // Remark (indexzero): we set `handleExceptions` here because it's the
+    // predicate checked in ExceptionHandler.prototype.__getExceptionHandlers
+    this.handleExceptions = true;
+    this.transport = transport;
+  }
+
+  /**
+   * Writes the info object to our transport instance if (and only if) the
+   * `exception` property is set on the info.
+   * @param {mixed} info - TODO: add param description.
+   * @param {mixed} enc - TODO: add param description.
+   * @param {mixed} callback - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  _write(info, enc, callback) {
+    if (info.exception) {
+      return this.transport.log(info, callback);
+    }
+
+    callback();
+    return true;
+  }
+};

node_modules/winston/lib/winston/logger.js

@@ -0,0 +1,700 @@
+/**
+ * logger.js: TODO: add file header description.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const { Stream, Transform } = require('readable-stream');
+const asyncForEach = require('async/forEach');
+const { LEVEL, SPLAT } = require('triple-beam');
+const isStream = require('is-stream');
+const ExceptionHandler = require('./exception-handler');
+const RejectionHandler = require('./rejection-handler');
+const LegacyTransportStream = require('winston-transport/legacy');
+const Profiler = require('./profiler');
+const { warn } = require('./common');
+const config = require('./config');
+
+/**
+ * Captures the number of format (i.e. %s strings) in a given string.
+ * Based on `util.format`, see Node.js source:
+ * https://github.com/nodejs/node/blob/b1c8f15c5f169e021f7c46eb7b219de95fe97603/lib/util.js#L201-L230
+ * @type {RegExp}
+ */
+const formatRegExp = /%[scdjifoO%]/g;
+
+/**
+ * TODO: add class description.
+ * @type {Logger}
+ * @extends {Transform}
+ */
+class Logger extends Transform {
+  /**
+   * Constructor function for the Logger object responsible for persisting log
+   * messages and metadata to one or more transports.
+   * @param {!Object} options - foo
+   */
+  constructor(options) {
+    super({ objectMode: true });
+    this.configure(options);
+  }
+
+  child(defaultRequestMetadata) {
+    const logger = this;
+    return Object.create(logger, {
+      write: {
+        value: function (info) {
+          const infoClone = Object.assign(
+            {},
+            defaultRequestMetadata,
+            info
+          );
+
+          // Object.assign doesn't copy inherited Error
+          // properties so we have to do that explicitly
+          //
+          // Remark (indexzero): we should remove this
+          // since the errors format will handle this case.
+          //
+          if (info instanceof Error) {
+            infoClone.stack = info.stack;
+            infoClone.message = info.message;
+            infoClone.cause = info.cause;
+          }
+
+          logger.write(infoClone);
+        }
+      }
+    });
+  }
+
+  /**
+   * This will wholesale reconfigure this instance by:
+   * 1. Resetting all transports. Older transports will be removed implicitly.
+   * 2. Set all other options including levels, colors, rewriters, filters,
+   *    exceptionHandlers, etc.
+   * @param {!Object} options - TODO: add param description.
+   * @returns {undefined}
+   */
+  configure({
+    silent,
+    format,
+    defaultMeta,
+    levels,
+    level = 'info',
+    exitOnError = true,
+    transports,
+    colors,
+    emitErrs,
+    formatters,
+    padLevels,
+    rewriters,
+    stripColors,
+    exceptionHandlers,
+    rejectionHandlers
+  } = {}) {
+    // Reset transports if we already have them
+    if (this.transports.length) {
+      this.clear();
+    }
+
+    this.silent = silent;
+    this.format = format || this.format || require('logform/json')();
+
+    this.defaultMeta = defaultMeta || null;
+    // Hoist other options onto this instance.
+    this.levels = levels || this.levels || config.npm.levels;
+    this.level = level;
+    if (this.exceptions) {
+      this.exceptions.unhandle();
+    }
+    if (this.rejections) {
+      this.rejections.unhandle();
+    }
+    this.exceptions = new ExceptionHandler(this);
+    this.rejections = new RejectionHandler(this);
+    this.profilers = {};
+    this.exitOnError = exitOnError;
+
+    // Add all transports we have been provided.
+    if (transports) {
+      transports = Array.isArray(transports) ? transports : [transports];
+      transports.forEach(transport => this.add(transport));
+    }
+
+    if (
+      colors ||
+      emitErrs ||
+      formatters ||
+      padLevels ||
+      rewriters ||
+      stripColors
+    ) {
+      throw new Error(
+        [
+          '{ colors, emitErrs, formatters, padLevels, rewriters, stripColors } were removed in winston@3.0.0.',
+          'Use a custom winston.format(function) instead.',
+          'See: https://github.com/winstonjs/winston/tree/master/UPGRADE-3.0.md'
+        ].join('\n')
+      );
+    }
+
+    if (exceptionHandlers) {
+      this.exceptions.handle(exceptionHandlers);
+    }
+    if (rejectionHandlers) {
+      this.rejections.handle(rejectionHandlers);
+    }
+  }
+
+  /* eslint-disable valid-jsdoc */
+  /**
+   * Helper method to get the highest logging level associated with a logger
+   *
+   * @returns { number | null } - The highest configured logging level, null
+   * for invalid configuration
+   */
+  getHighestLogLevel() {
+    // This can be null, if this.level has an invalid value
+    const configuredLevelValue = getLevelValue(this.levels, this.level);
+
+    // If there are no transports, return the level configured at the logger level
+    if (!this.transports || this.transports.length === 0) {
+      return configuredLevelValue;
+    }
+
+    return this.transports.reduce((max, transport) => {
+      const levelValue = getLevelValue(this.levels, transport.level);
+      return levelValue !== null && levelValue > max ? levelValue : max;
+    }, configuredLevelValue);
+  }
+
+  isLevelEnabled(level) {
+    const givenLevelValue = getLevelValue(this.levels, level);
+    if (givenLevelValue === null) {
+      return false;
+    }
+
+    const configuredLevelValue = getLevelValue(this.levels, this.level);
+    if (configuredLevelValue === null) {
+      return false;
+    }
+
+    if (!this.transports || this.transports.length === 0) {
+      return configuredLevelValue >= givenLevelValue;
+    }
+
+    const index = this.transports.findIndex(transport => {
+      let transportLevelValue = getLevelValue(this.levels, transport.level);
+      if (transportLevelValue === null) {
+        transportLevelValue = configuredLevelValue;
+      }
+      return transportLevelValue >= givenLevelValue;
+    });
+    return index !== -1;
+  }
+
+  /* eslint-disable valid-jsdoc */
+  /**
+   * Ensure backwards compatibility with a `log` method
+   * @param {mixed} level - Level the log message is written at.
+   * @param {mixed} msg - TODO: add param description.
+   * @param {mixed} meta - TODO: add param description.
+   * @returns {Logger} - TODO: add return description.
+   *
+   * @example
+   *    // Supports the existing API:
+   *    logger.log('info', 'Hello world', { custom: true });
+   *    logger.log('info', new Error('Yo, it\'s on fire'));
+   *
+   *    // Requires winston.format.splat()
+   *    logger.log('info', '%s %d%%', 'A string', 50, { thisIsMeta: true });
+   *
+   *    // And the new API with a single JSON literal:
+   *    logger.log({ level: 'info', message: 'Hello world', custom: true });
+   *    logger.log({ level: 'info', message: new Error('Yo, it\'s on fire') });
+   *
+   *    // Also requires winston.format.splat()
+   *    logger.log({
+   *      level: 'info',
+   *      message: '%s %d%%',
+   *      [SPLAT]: ['A string', 50],
+   *      meta: { thisIsMeta: true }
+   *    });
+   *
+   */
+  /* eslint-enable valid-jsdoc */
+  log(level, msg, ...splat) {
+    // eslint-disable-line max-params
+    // Optimize for the hotpath of logging JSON literals
+    if (arguments.length === 1) {
+      // Yo dawg, I heard you like levels ... seriously ...
+      // In this context the LHS `level` here is actually the `info` so read
+      // this as: info[LEVEL] = info.level;
+      level[LEVEL] = level.level;
+      this._addDefaultMeta(level);
+      this.write(level);
+      return this;
+    }
+
+    // Slightly less hotpath, but worth optimizing for.
+    if (arguments.length === 2) {
+      if (msg && typeof msg === 'object') {
+        msg[LEVEL] = msg.level = level;
+        this._addDefaultMeta(msg);
+        this.write(msg);
+        return this;
+      }
+
+      msg = { [LEVEL]: level, level, message: msg };
+      this._addDefaultMeta(msg);
+      this.write(msg);
+      return this;
+    }
+
+    const [meta] = splat;
+    if (typeof meta === 'object' && meta !== null) {
+      // Extract tokens, if none available default to empty array to
+      // ensure consistancy in expected results
+      const tokens = msg && msg.match && msg.match(formatRegExp);
+
+      if (!tokens) {
+        const info = Object.assign({}, this.defaultMeta, meta, {
+          [LEVEL]: level,
+          [SPLAT]: splat,
+          level,
+          message: msg
+        });
+
+        if (meta.message) info.message = `${info.message} ${meta.message}`;
+        if (meta.stack) info.stack = meta.stack;
+        if (meta.cause) info.cause = meta.cause;
+
+        this.write(info);
+        return this;
+      }
+    }
+
+    this.write(Object.assign({}, this.defaultMeta, {
+      [LEVEL]: level,
+      [SPLAT]: splat,
+      level,
+      message: msg
+    }));
+
+    return this;
+  }
+
+  /**
+   * Pushes data so that it can be picked up by all of our pipe targets.
+   * @param {mixed} info - TODO: add param description.
+   * @param {mixed} enc - TODO: add param description.
+   * @param {mixed} callback - Continues stream processing.
+   * @returns {undefined}
+   * @private
+   */
+  _transform(info, enc, callback) {
+    if (this.silent) {
+      return callback();
+    }
+
+    // [LEVEL] is only soft guaranteed to be set here since we are a proper
+    // stream. It is likely that `info` came in through `.log(info)` or
+    // `.info(info)`. If it is not defined, however, define it.
+    // This LEVEL symbol is provided by `triple-beam` and also used in:
+    // - logform
+    // - winston-transport
+    // - abstract-winston-transport
+    if (!info[LEVEL]) {
+      info[LEVEL] = info.level;
+    }
+
+    // Remark: really not sure what to do here, but this has been reported as
+    // very confusing by pre winston@2.0.0 users as quite confusing when using
+    // custom levels.
+    if (!this.levels[info[LEVEL]] && this.levels[info[LEVEL]] !== 0) {
+      // eslint-disable-next-line no-console
+      console.error('[winston] Unknown logger level: %s', info[LEVEL]);
+    }
+
+    // Remark: not sure if we should simply error here.
+    if (!this._readableState.pipes) {
+      // eslint-disable-next-line no-console
+      console.error(
+        '[winston] Attempt to write logs with no transports, which can increase memory usage: %j',
+        info
+      );
+    }
+
+    // Here we write to the `format` pipe-chain, which on `readable` above will
+    // push the formatted `info` Object onto the buffer for this instance. We trap
+    // (and re-throw) any errors generated by the user-provided format, but also
+    // guarantee that the streams callback is invoked so that we can continue flowing.
+    try {
+      this.push(this.format.transform(info, this.format.options));
+    } finally {
+      this._writableState.sync = false;
+      // eslint-disable-next-line callback-return
+      callback();
+    }
+  }
+
+  /**
+   * Delays the 'finish' event until all transport pipe targets have
+   * also emitted 'finish' or are already finished.
+   * @param {mixed} callback - Continues stream processing.
+   */
+  _final(callback) {
+    const transports = this.transports.slice();
+    asyncForEach(
+      transports,
+      (transport, next) => {
+        if (!transport || transport.finished) return setImmediate(next);
+        transport.once('finish', next);
+        transport.end();
+      },
+      callback
+    );
+  }
+
+  /**
+   * Adds the transport to this logger instance by piping to it.
+   * @param {mixed} transport - TODO: add param description.
+   * @returns {Logger} - TODO: add return description.
+   */
+  add(transport) {
+    // Support backwards compatibility with all existing `winston < 3.x.x`
+    // transports which meet one of two criteria:
+    // 1. They inherit from winston.Transport in  < 3.x.x which is NOT a stream.
+    // 2. They expose a log method which has a length greater than 2 (i.e. more then
+    //    just `log(info, callback)`.
+    const target =
+      !isStream(transport) || transport.log.length > 2
+        ? new LegacyTransportStream({ transport })
+        : transport;
+
+    if (!target._writableState || !target._writableState.objectMode) {
+      throw new Error(
+        'Transports must WritableStreams in objectMode. Set { objectMode: true }.'
+      );
+    }
+
+    // Listen for the `error` event and the `warn` event on the new Transport.
+    this._onEvent('error', target);
+    this._onEvent('warn', target);
+    this.pipe(target);
+
+    if (transport.handleExceptions) {
+      this.exceptions.handle();
+    }
+
+    if (transport.handleRejections) {
+      this.rejections.handle();
+    }
+
+    return this;
+  }
+
+  /**
+   * Removes the transport from this logger instance by unpiping from it.
+   * @param {mixed} transport - TODO: add param description.
+   * @returns {Logger} - TODO: add return description.
+   */
+  remove(transport) {
+    if (!transport) return this;
+    let target = transport;
+    if (!isStream(transport) || transport.log.length > 2) {
+      target = this.transports.filter(
+        match => match.transport === transport
+      )[0];
+    }
+
+    if (target) {
+      this.unpipe(target);
+    }
+    return this;
+  }
+
+  /**
+   * Removes all transports from this logger instance.
+   * @returns {Logger} - TODO: add return description.
+   */
+  clear() {
+    this.unpipe();
+    return this;
+  }
+
+  /**
+   * Cleans up resources (streams, event listeners) for all transports
+   * associated with this instance (if necessary).
+   * @returns {Logger} - TODO: add return description.
+   */
+  close() {
+    this.exceptions.unhandle();
+    this.rejections.unhandle();
+    this.clear();
+    this.emit('close');
+    return this;
+  }
+
+  /**
+   * Sets the `target` levels specified on this instance.
+   * @param {Object} Target levels to use on this instance.
+   */
+  setLevels() {
+    warn.deprecated('setLevels');
+  }
+
+  /**
+   * Queries the all transports for this instance with the specified `options`.
+   * This will aggregate each transport's results into one object containing
+   * a property per transport.
+   * @param {Object} options - Query options for this instance.
+   * @param {function} callback - Continuation to respond to when complete.
+   */
+  query(options, callback) {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    options = options || {};
+    const results = {};
+    const queryObject = Object.assign({}, options.query || {});
+
+    // Helper function to query a single transport
+    function queryTransport(transport, next) {
+      if (options.query && typeof transport.formatQuery === 'function') {
+        options.query = transport.formatQuery(queryObject);
+      }
+
+      transport.query(options, (err, res) => {
+        if (err) {
+          return next(err);
+        }
+
+        if (typeof transport.formatResults === 'function') {
+          res = transport.formatResults(res, options.format);
+        }
+
+        next(null, res);
+      });
+    }
+
+    // Helper function to accumulate the results from `queryTransport` into
+    // the `results`.
+    function addResults(transport, next) {
+      queryTransport(transport, (err, result) => {
+        // queryTransport could potentially invoke the callback multiple times
+        // since Transport code can be unpredictable.
+        if (next) {
+          result = err || result;
+          if (result) {
+            results[transport.name] = result;
+          }
+
+          // eslint-disable-next-line callback-return
+          next();
+        }
+
+        next = null;
+      });
+    }
+
+    // Iterate over the transports in parallel setting the appropriate key in
+    // the `results`.
+    asyncForEach(
+      this.transports.filter(transport => !!transport.query),
+      addResults,
+      () => callback(null, results)
+    );
+  }
+
+  /**
+   * Returns a log stream for all transports. Options object is optional.
+   * @param{Object} options={} - Stream options for this instance.
+   * @returns {Stream} - TODO: add return description.
+   */
+  stream(options = {}) {
+    const out = new Stream();
+    const streams = [];
+
+    out._streams = streams;
+    out.destroy = () => {
+      let i = streams.length;
+      while (i--) {
+        streams[i].destroy();
+      }
+    };
+
+    // Create a list of all transports for this instance.
+    this.transports
+      .filter(transport => !!transport.stream)
+      .forEach(transport => {
+        const str = transport.stream(options);
+        if (!str) {
+          return;
+        }
+
+        streams.push(str);
+
+        str.on('log', log => {
+          log.transport = log.transport || [];
+          log.transport.push(transport.name);
+          out.emit('log', log);
+        });
+
+        str.on('error', err => {
+          err.transport = err.transport || [];
+          err.transport.push(transport.name);
+          out.emit('error', err);
+        });
+      });
+
+    return out;
+  }
+
+  /**
+   * Returns an object corresponding to a specific timing. When done is called
+   * the timer will finish and log the duration. e.g.:
+   * @returns {Profile} - TODO: add return description.
+   * @example
+   *    const timer = winston.startTimer()
+   *    setTimeout(() => {
+   *      timer.done({
+   *        message: 'Logging message'
+   *      });
+   *    }, 1000);
+   */
+  startTimer() {
+    return new Profiler(this);
+  }
+
+  /**
+   * Tracks the time inbetween subsequent calls to this method with the same
+   * `id` parameter. The second call to this method will log the difference in
+   * milliseconds along with the message.
+   * @param {string} id Unique id of the profiler
+   * @returns {Logger} - TODO: add return description.
+   */
+  profile(id, ...args) {
+    const time = Date.now();
+    if (this.profilers[id]) {
+      const timeEnd = this.profilers[id];
+      delete this.profilers[id];
+
+      // Attempt to be kind to users if they are still using older APIs.
+      if (typeof args[args.length - 2] === 'function') {
+        // eslint-disable-next-line no-console
+        console.warn(
+          'Callback function no longer supported as of winston@3.0.0'
+        );
+        args.pop();
+      }
+
+      // Set the duration property of the metadata
+      const info = typeof args[args.length - 1] === 'object' ? args.pop() : {};
+      info.level = info.level || 'info';
+      info.durationMs = time - timeEnd;
+      info.message = info.message || id;
+      return this.write(info);
+    }
+
+    this.profilers[id] = time;
+    return this;
+  }
+
+  /**
+   * Backwards compatibility to `exceptions.handle` in winston < 3.0.0.
+   * @returns {undefined}
+   * @deprecated
+   */
+  handleExceptions(...args) {
+    // eslint-disable-next-line no-console
+    console.warn(
+      'Deprecated: .handleExceptions() will be removed in winston@4. Use .exceptions.handle()'
+    );
+    this.exceptions.handle(...args);
+  }
+
+  /**
+   * Backwards compatibility to `exceptions.handle` in winston < 3.0.0.
+   * @returns {undefined}
+   * @deprecated
+   */
+  unhandleExceptions(...args) {
+    // eslint-disable-next-line no-console
+    console.warn(
+      'Deprecated: .unhandleExceptions() will be removed in winston@4. Use .exceptions.unhandle()'
+    );
+    this.exceptions.unhandle(...args);
+  }
+
+  /**
+   * Throw a more meaningful deprecation notice
+   * @throws {Error} - TODO: add throws description.
+   */
+  cli() {
+    throw new Error(
+      [
+        'Logger.cli() was removed in winston@3.0.0',
+        'Use a custom winston.formats.cli() instead.',
+        'See: https://github.com/winstonjs/winston/tree/master/UPGRADE-3.0.md'
+      ].join('\n')
+    );
+  }
+
+  /**
+   * Bubbles the `event` that occured on the specified `transport` up
+   * from this instance.
+   * @param {string} event - The event that occured
+   * @param {Object} transport - Transport on which the event occured
+   * @private
+   */
+  _onEvent(event, transport) {
+    function transportEvent(err) {
+      // https://github.com/winstonjs/winston/issues/1364
+      if (event === 'error' && !this.transports.includes(transport)) {
+        this.add(transport);
+      }
+      this.emit(event, err, transport);
+    }
+
+    if (!transport['__winston' + event]) {
+      transport['__winston' + event] = transportEvent.bind(this);
+      transport.on(event, transport['__winston' + event]);
+    }
+  }
+
+  _addDefaultMeta(msg) {
+    if (this.defaultMeta) {
+      Object.assign(msg, this.defaultMeta);
+    }
+  }
+}
+
+function getLevelValue(levels, level) {
+  const value = levels[level];
+  if (!value && value !== 0) {
+    return null;
+  }
+  return value;
+}
+
+/**
+ * Represents the current readableState pipe targets for this Logger instance.
+ * @type {Array|Object}
+ */
+Object.defineProperty(Logger.prototype, 'transports', {
+  configurable: false,
+  enumerable: true,
+  get() {
+    const { pipes } = this._readableState;
+    return !Array.isArray(pipes) ? [pipes].filter(Boolean) : pipes;
+  }
+});
+
+module.exports = Logger;

node_modules/winston/lib/winston/profiler.js

@@ -0,0 +1,53 @@
+/**
+ * profiler.js: TODO: add file header description.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+/**
+ * TODO: add class description.
+ * @type {Profiler}
+ * @private
+ */
+class Profiler {
+  /**
+   * Constructor function for the Profiler instance used by
+   * `Logger.prototype.startTimer`. When done is called the timer will finish
+   * and log the duration.
+   * @param {!Logger} logger - TODO: add param description.
+   * @private
+   */
+  constructor(logger) {
+    const Logger = require('./logger');
+    if (typeof logger !== 'object' || Array.isArray(logger) || !(logger instanceof Logger)) {
+      throw new Error('Logger is required for profiling');
+    } else {
+      this.logger = logger;
+      this.start = Date.now();
+    }
+  }
+
+  /**
+   * Ends the current timer (i.e. Profiler) instance and logs the `msg` along
+   * with the duration since creation.
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  done(...args) {
+    if (typeof args[args.length - 1] === 'function') {
+      // eslint-disable-next-line no-console
+      console.warn('Callback function no longer supported as of winston@3.0.0');
+      args.pop();
+    }
+
+    const info = typeof args[args.length - 1] === 'object' ? args.pop() : {};
+    info.level = info.level || 'info';
+    info.durationMs = (Date.now()) - this.start;
+
+    return this.logger.write(info);
+  }
+}
+
+module.exports = Profiler;

node_modules/winston/lib/winston/rejection-handler.js

@@ -0,0 +1,251 @@
+/**
+ * exception-handler.js: Object for handling uncaughtException events.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const os = require('os');
+const asyncForEach = require('async/forEach');
+const debug = require('@dabh/diagnostics')('winston:rejection');
+const once = require('one-time');
+const stackTrace = require('stack-trace');
+const RejectionStream = require('./rejection-stream');
+
+/**
+ * Object for handling unhandledRejection events.
+ * @type {RejectionHandler}
+ */
+module.exports = class RejectionHandler {
+  /**
+   * TODO: add contructor description
+   * @param {!Logger} logger - TODO: add param description
+   */
+  constructor(logger) {
+    if (!logger) {
+      throw new Error('Logger is required to handle rejections');
+    }
+
+    this.logger = logger;
+    this.handlers = new Map();
+  }
+
+  /**
+   * Handles `unhandledRejection` events for the current process by adding any
+   * handlers passed in.
+   * @returns {undefined}
+   */
+  handle(...args) {
+    args.forEach(arg => {
+      if (Array.isArray(arg)) {
+        return arg.forEach(handler => this._addHandler(handler));
+      }
+
+      this._addHandler(arg);
+    });
+
+    if (!this.catcher) {
+      this.catcher = this._unhandledRejection.bind(this);
+      process.on('unhandledRejection', this.catcher);
+    }
+  }
+
+  /**
+   * Removes any handlers to `unhandledRejection` events for the current
+   * process. This does not modify the state of the `this.handlers` set.
+   * @returns {undefined}
+   */
+  unhandle() {
+    if (this.catcher) {
+      process.removeListener('unhandledRejection', this.catcher);
+      this.catcher = false;
+
+      Array.from(this.handlers.values()).forEach(wrapper =>
+        this.logger.unpipe(wrapper)
+      );
+    }
+  }
+
+  /**
+   * TODO: add method description
+   * @param {Error} err - Error to get information about.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getAllInfo(err) {
+    let message = null;
+    if (err) {
+      message = typeof err === 'string' ? err : err.message;
+    }
+
+    return {
+      error: err,
+      // TODO (indexzero): how do we configure this?
+      level: 'error',
+      message: [
+        `unhandledRejection: ${message || '(no error message)'}`,
+        err && err.stack || '  No stack trace'
+      ].join('\n'),
+      stack: err && err.stack,
+      rejection: true,
+      date: new Date().toString(),
+      process: this.getProcessInfo(),
+      os: this.getOsInfo(),
+      trace: this.getTrace(err)
+    };
+  }
+
+  /**
+   * Gets all relevant process information for the currently running process.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getProcessInfo() {
+    return {
+      pid: process.pid,
+      uid: process.getuid ? process.getuid() : null,
+      gid: process.getgid ? process.getgid() : null,
+      cwd: process.cwd(),
+      execPath: process.execPath,
+      version: process.version,
+      argv: process.argv,
+      memoryUsage: process.memoryUsage()
+    };
+  }
+
+  /**
+   * Gets all relevant OS information for the currently running process.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getOsInfo() {
+    return {
+      loadavg: os.loadavg(),
+      uptime: os.uptime()
+    };
+  }
+
+  /**
+   * Gets a stack trace for the specified error.
+   * @param {mixed} err - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   */
+  getTrace(err) {
+    const trace = err ? stackTrace.parse(err) : stackTrace.get();
+    return trace.map(site => {
+      return {
+        column: site.getColumnNumber(),
+        file: site.getFileName(),
+        function: site.getFunctionName(),
+        line: site.getLineNumber(),
+        method: site.getMethodName(),
+        native: site.isNative()
+      };
+    });
+  }
+
+  /**
+   * Helper method to add a transport as an exception handler.
+   * @param {Transport} handler - The transport to add as an exception handler.
+   * @returns {void}
+   */
+  _addHandler(handler) {
+    if (!this.handlers.has(handler)) {
+      handler.handleRejections = true;
+      const wrapper = new RejectionStream(handler);
+      this.handlers.set(handler, wrapper);
+      this.logger.pipe(wrapper);
+    }
+  }
+
+  /**
+   * Logs all relevant information around the `err` and exits the current
+   * process.
+   * @param {Error} err - Error to handle
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  _unhandledRejection(err) {
+    const info = this.getAllInfo(err);
+    const handlers = this._getRejectionHandlers();
+    // Calculate if we should exit on this error
+    let doExit =
+      typeof this.logger.exitOnError === 'function'
+        ? this.logger.exitOnError(err)
+        : this.logger.exitOnError;
+    let timeout;
+
+    if (!handlers.length && doExit) {
+      // eslint-disable-next-line no-console
+      console.warn('winston: exitOnError cannot be true with no rejection handlers.');
+      // eslint-disable-next-line no-console
+      console.warn('winston: not exiting process.');
+      doExit = false;
+    }
+
+    function gracefulExit() {
+      debug('doExit', doExit);
+      debug('process._exiting', process._exiting);
+
+      if (doExit && !process._exiting) {
+        // Remark: Currently ignoring any rejections from transports when
+        // catching unhandled rejections.
+        if (timeout) {
+          clearTimeout(timeout);
+        }
+        // eslint-disable-next-line no-process-exit
+        process.exit(1);
+      }
+    }
+
+    if (!handlers || handlers.length === 0) {
+      return process.nextTick(gracefulExit);
+    }
+
+    // Log to all transports attempting to listen for when they are completed.
+    asyncForEach(
+      handlers,
+      (handler, next) => {
+        const done = once(next);
+        const transport = handler.transport || handler;
+
+        // Debug wrapping so that we can inspect what's going on under the covers.
+        function onDone(event) {
+          return () => {
+            debug(event);
+            done();
+          };
+        }
+
+        transport._ending = true;
+        transport.once('finish', onDone('finished'));
+        transport.once('error', onDone('error'));
+      },
+      () => doExit && gracefulExit()
+    );
+
+    this.logger.log(info);
+
+    // If exitOnError is true, then only allow the logging of exceptions to
+    // take up to `3000ms`.
+    if (doExit) {
+      timeout = setTimeout(gracefulExit, 3000);
+    }
+  }
+
+  /**
+   * Returns the list of transports and exceptionHandlers for this instance.
+   * @returns {Array} - List of transports and exceptionHandlers for this
+   * instance.
+   * @private
+   */
+  _getRejectionHandlers() {
+    // Remark (indexzero): since `logger.transports` returns all of the pipes
+    // from the _readableState of the stream we actually get the join of the
+    // explicit handlers and the implicit transports with
+    // `handleRejections: true`
+    return this.logger.transports.filter(wrap => {
+      const transport = wrap.transport || wrap;
+      return transport.handleRejections;
+    });
+  }
+};

node_modules/winston/lib/winston/rejection-stream.js

@@ -0,0 +1,52 @@
+/**
+ * rejection-stream.js: TODO: add file header handler.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const { Writable } = require('readable-stream');
+
+/**
+ * TODO: add class description.
+ * @type {RejectionStream}
+ * @extends {Writable}
+ */
+module.exports = class RejectionStream extends Writable {
+  /**
+   * Constructor function for the RejectionStream responsible for wrapping a
+   * TransportStream; only allowing writes of `info` objects with
+   * `info.rejection` set to true.
+   * @param {!TransportStream} transport - Stream to filter to rejections
+   */
+  constructor(transport) {
+    super({ objectMode: true });
+
+    if (!transport) {
+      throw new Error('RejectionStream requires a TransportStream instance.');
+    }
+
+    this.handleRejections = true;
+    this.transport = transport;
+  }
+
+  /**
+   * Writes the info object to our transport instance if (and only if) the
+   * `rejection` property is set on the info.
+   * @param {mixed} info - TODO: add param description.
+   * @param {mixed} enc - TODO: add param description.
+   * @param {mixed} callback - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   * @private
+   */
+  _write(info, enc, callback) {
+    if (info.rejection) {
+      return this.transport.log(info, callback);
+    }
+
+    callback();
+    return true;
+  }
+};

node_modules/winston/lib/winston/tail-file.js

@@ -0,0 +1,124 @@
+/**
+ * tail-file.js: TODO: add file header description.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const fs = require('fs');
+const { StringDecoder } = require('string_decoder');
+const { Stream } = require('readable-stream');
+
+/**
+ * Simple no-op function.
+ * @returns {undefined}
+ */
+function noop() {}
+
+/**
+ * TODO: add function description.
+ * @param {Object} options - Options for tail.
+ * @param {function} iter - Iterator function to execute on every line.
+* `tail -f` a file. Options must include file.
+ * @returns {mixed} - TODO: add return description.
+ */
+module.exports = (options, iter) => {
+  const buffer = Buffer.alloc(64 * 1024);
+  const decode = new StringDecoder('utf8');
+  const stream = new Stream();
+  let buff = '';
+  let pos = 0;
+  let row = 0;
+
+  if (options.start === -1) {
+    delete options.start;
+  }
+
+  stream.readable = true;
+  stream.destroy = () => {
+    stream.destroyed = true;
+    stream.emit('end');
+    stream.emit('close');
+  };
+
+  fs.open(options.file, 'a+', '0644', (err, fd) => {
+    if (err) {
+      if (!iter) {
+        stream.emit('error', err);
+      } else {
+        iter(err);
+      }
+      stream.destroy();
+      return;
+    }
+
+    (function read() {
+      if (stream.destroyed) {
+        fs.close(fd, noop);
+        return;
+      }
+
+      return fs.read(fd, buffer, 0, buffer.length, pos, (error, bytes) => {
+        if (error) {
+          if (!iter) {
+            stream.emit('error', error);
+          } else {
+            iter(error);
+          }
+          stream.destroy();
+          return;
+        }
+
+        if (!bytes) {
+          if (buff) {
+            // eslint-disable-next-line eqeqeq
+            if (options.start == null || row > options.start) {
+              if (!iter) {
+                stream.emit('line', buff);
+              } else {
+                iter(null, buff);
+              }
+            }
+            row++;
+            buff = '';
+          }
+          return setTimeout(read, 1000);
+        }
+
+        let data = decode.write(buffer.slice(0, bytes));
+        if (!iter) {
+          stream.emit('data', data);
+        }
+
+        data = (buff + data).split(/\n+/);
+
+        const l = data.length - 1;
+        let i = 0;
+
+        for (; i < l; i++) {
+          // eslint-disable-next-line eqeqeq
+          if (options.start == null || row > options.start) {
+            if (!iter) {
+              stream.emit('line', data[i]);
+            } else {
+              iter(null, data[i]);
+            }
+          }
+          row++;
+        }
+
+        buff = data[l];
+        pos += bytes;
+        return read();
+      });
+    }());
+  });
+
+  if (!iter) {
+    return stream;
+  }
+
+  return stream.destroy;
+};

node_modules/winston/lib/winston/transports/console.js

@@ -0,0 +1,125 @@
+/* eslint-disable no-console */
+/*
+ * console.js: Transport for outputting to the console.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const os = require('os');
+const { LEVEL, MESSAGE } = require('triple-beam');
+const TransportStream = require('winston-transport');
+
+/**
+ * Transport for outputting to the console.
+ * @type {Console}
+ * @extends {TransportStream}
+ */
+module.exports = class Console extends TransportStream {
+  /**
+   * Constructor function for the Console transport object responsible for
+   * persisting log messages and metadata to a terminal or TTY.
+   * @param {!Object} [options={}] - Options for this instance.
+   */
+  constructor(options = {}) {
+    super(options);
+
+    // Expose the name of this Transport on the prototype
+    this.name = options.name || 'console';
+    this.stderrLevels = this._stringArrayToSet(options.stderrLevels);
+    this.consoleWarnLevels = this._stringArrayToSet(options.consoleWarnLevels);
+    this.eol = typeof options.eol === 'string' ? options.eol : os.EOL;
+    this.forceConsole = options.forceConsole || false;
+
+    // Keep a reference to the log, warn, and error console methods
+    // in case they get redirected to this transport after the logger is
+    // instantiated. This prevents a circular reference issue.
+    this._consoleLog = console.log.bind(console);
+    this._consoleWarn = console.warn.bind(console);
+    this._consoleError = console.error.bind(console);
+
+    this.setMaxListeners(30);
+  }
+
+  /**
+   * Core logging method exposed to Winston.
+   * @param {Object} info - TODO: add param description.
+   * @param {Function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  log(info, callback) {
+    setImmediate(() => this.emit('logged', info));
+
+    // Remark: what if there is no raw...?
+    if (this.stderrLevels[info[LEVEL]]) {
+      if (console._stderr && !this.forceConsole) {
+        // Node.js maps `process.stderr` to `console._stderr`.
+        console._stderr.write(`${info[MESSAGE]}${this.eol}`);
+      } else {
+        // console.error adds a newline
+        this._consoleError(info[MESSAGE]);
+      }
+
+      if (callback) {
+        callback(); // eslint-disable-line callback-return
+      }
+      return;
+    } else if (this.consoleWarnLevels[info[LEVEL]]) {
+      if (console._stderr && !this.forceConsole) {
+        // Node.js maps `process.stderr` to `console._stderr`.
+        // in Node.js console.warn is an alias for console.error
+        console._stderr.write(`${info[MESSAGE]}${this.eol}`);
+      } else {
+        // console.warn adds a newline
+        this._consoleWarn(info[MESSAGE]);
+      }
+
+      if (callback) {
+        callback(); // eslint-disable-line callback-return
+      }
+      return;
+    }
+
+    if (console._stdout && !this.forceConsole) {
+      // Node.js maps `process.stdout` to `console._stdout`.
+      console._stdout.write(`${info[MESSAGE]}${this.eol}`);
+    } else {
+      // console.log adds a newline.
+      this._consoleLog(info[MESSAGE]);
+    }
+
+    if (callback) {
+      callback(); // eslint-disable-line callback-return
+    }
+  }
+
+  /**
+   * Returns a Set-like object with strArray's elements as keys (each with the
+   * value true).
+   * @param {Array} strArray - Array of Set-elements as strings.
+   * @param {?string} [errMsg] - Custom error message thrown on invalid input.
+   * @returns {Object} - TODO: add return description.
+   * @private
+   */
+  _stringArrayToSet(strArray, errMsg) {
+    if (!strArray) return {};
+
+    errMsg =
+      errMsg || 'Cannot make set from type other than Array of string elements';
+
+    if (!Array.isArray(strArray)) {
+      throw new Error(errMsg);
+    }
+
+    return strArray.reduce((set, el) => {
+      if (typeof el !== 'string') {
+        throw new Error(errMsg);
+      }
+      set[el] = true;
+
+      return set;
+    }, {});
+  }
+};

node_modules/winston/lib/winston/transports/file.js

@@ -0,0 +1,795 @@
+/* eslint-disable complexity,max-statements */
+/**
+ * file.js: Transport for outputting to a local log file.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const asyncSeries = require('async/series');
+const zlib = require('zlib');
+const { MESSAGE } = require('triple-beam');
+const { Stream, PassThrough } = require('readable-stream');
+const TransportStream = require('winston-transport');
+const debug = require('@dabh/diagnostics')('winston:file');
+const os = require('os');
+const tailFile = require('../tail-file');
+
+/**
+ * Transport for outputting to a local log file.
+ * @type {File}
+ * @extends {TransportStream}
+ */
+module.exports = class File extends TransportStream {
+  /**
+   * Constructor function for the File transport object responsible for
+   * persisting log messages and metadata to one or more files.
+   * @param {Object} options - Options for this instance.
+   */
+  constructor(options = {}) {
+    super(options);
+
+    // Expose the name of this Transport on the prototype.
+    this.name = options.name || 'file';
+
+    // Helper function which throws an `Error` in the event that any of the
+    // rest of the arguments is present in `options`.
+    function throwIf(target, ...args) {
+      args.slice(1).forEach(name => {
+        if (options[name]) {
+          throw new Error(`Cannot set ${name} and ${target} together`);
+        }
+      });
+    }
+
+    // Setup the base stream that always gets piped to to handle buffering.
+    this._stream = new PassThrough();
+    this._stream.setMaxListeners(30);
+
+    // Bind this context for listener methods.
+    this._onError = this._onError.bind(this);
+
+    if (options.filename || options.dirname) {
+      throwIf('filename or dirname', 'stream');
+      this._basename = this.filename = options.filename
+        ? path.basename(options.filename)
+        : 'winston.log';
+
+      this.dirname = options.dirname || path.dirname(options.filename);
+      this.options = options.options || { flags: 'a' };
+    } else if (options.stream) {
+      // eslint-disable-next-line no-console
+      console.warn('options.stream will be removed in winston@4. Use winston.transports.Stream');
+      throwIf('stream', 'filename', 'maxsize');
+      this._dest = this._stream.pipe(this._setupStream(options.stream));
+      this.dirname = path.dirname(this._dest.path);
+      // We need to listen for drain events when write() returns false. This
+      // can make node mad at times.
+    } else {
+      throw new Error('Cannot log to file without filename or stream.');
+    }
+
+    this.maxsize = options.maxsize || null;
+    this.rotationFormat = options.rotationFormat || false;
+    this.zippedArchive = options.zippedArchive || false;
+    this.maxFiles = options.maxFiles || null;
+    this.eol = (typeof options.eol === 'string') ? options.eol : os.EOL;
+    this.tailable = options.tailable || false;
+    this.lazy = options.lazy || false;
+
+    // Internal state variables representing the number of files this instance
+    // has created and the current size (in bytes) of the current logfile.
+    this._size = 0;
+    this._pendingSize = 0;
+    this._created = 0;
+    this._drain = false;
+    this._opening = false;
+    this._ending = false;
+    this._fileExist = false;
+
+    if (this.dirname) this._createLogDirIfNotExist(this.dirname);
+    if (!this.lazy) this.open();
+  }
+
+  finishIfEnding() {
+    if (this._ending) {
+      if (this._opening) {
+        this.once('open', () => {
+          this._stream.once('finish', () => this.emit('finish'));
+          setImmediate(() => this._stream.end());
+        });
+      } else {
+        this._stream.once('finish', () => this.emit('finish'));
+        setImmediate(() => this._stream.end());
+      }
+    }
+  }
+
+  /**
+   * Called by Node.js Writable stream before emitting 'finish'.
+   * Ensures all buffered data is flushed to the underlying file stream
+   * before the transport signals completion.
+   * @param {Function} callback - Callback to signal completion.
+   * @private
+   */
+  _final(callback) {
+    // If still opening, wait for the file to be opened first
+    if (this._opening) {
+      this.once('open', () => this._final(callback));
+      return;
+    }
+
+    // End the PassThrough stream
+    this._stream.end();
+
+    // No destination stream, call callback immediately
+    if (!this._dest) {
+      return callback();
+    }
+
+    // Destination is already finished
+    if (this._dest.writableFinished) {
+      return callback();
+    }
+
+    // Wait for destination stream to finish writing
+    this._dest.once('finish', callback);
+    this._dest.once('error', callback);
+  }
+
+  /**
+   * Core logging method exposed to Winston. Metadata is optional.
+   * @param {Object} info - TODO: add param description.
+   * @param {Function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  log(info, callback = () => { }) {
+    // Remark: (jcrugzz) What is necessary about this callback(null, true) now
+    // when thinking about 3.x? Should silent be handled in the base
+    // TransportStream _write method?
+    if (this.silent) {
+      callback();
+      return true;
+    }
+
+
+    // Output stream buffer is full and has asked us to wait for the drain event
+    if (this._drain) {
+      this._stream.once('drain', () => {
+        this._drain = false;
+        this.log(info, callback);
+      });
+      return;
+    }
+    if (this._rotate) {
+      this._stream.once('rotate', () => {
+        this._rotate = false;
+        this.log(info, callback);
+      });
+      return;
+    }
+    if (this.lazy) {
+      if (!this._fileExist) {
+        if (!this._opening) {
+          this.open();
+        }
+        this.once('open', () => {
+          this._fileExist = true;
+          this.log(info, callback);
+          return;
+        });
+        return;
+      }
+      if (this._needsNewFile(this._pendingSize)) {
+        this._dest.once('close', () => {
+          if (!this._opening) {
+            this.open();
+          }
+          this.once('open', () => {
+            this.log(info, callback);
+            return;
+          });
+          return;
+        });
+        return;
+      }
+    }
+
+    // Grab the raw string and append the expected EOL.
+    const output = `${info[MESSAGE]}${this.eol}`;
+    const bytes = Buffer.byteLength(output);
+
+    // After we have written to the PassThrough check to see if we need
+    // to rotate to the next file.
+    //
+    // Remark: This gets called too early and does not depict when data
+    // has been actually flushed to disk.
+    function logged() {
+      this._size += bytes;
+      this._pendingSize -= bytes;
+
+      debug('logged %s %s', this._size, output);
+      this.emit('logged', info);
+
+      // Do not attempt to rotate files while rotating
+      if (this._rotate) {
+        return;
+      }
+
+      // Do not attempt to rotate files while opening
+      if (this._opening) {
+        return;
+      }
+
+      // Check to see if we need to end the stream and create a new one.
+      if (!this._needsNewFile()) {
+        return;
+      }
+      if (this.lazy) {
+        this._endStream(() => {this.emit('fileclosed');});
+        return;
+      }
+
+      // End the current stream, ensure it flushes and create a new one.
+      // This could potentially be optimized to not run a stat call but its
+      // the safest way since we are supporting `maxFiles`.
+      this._rotate = true;
+      this._endStream(() => this._rotateFile());
+    }
+
+    // Keep track of the pending bytes being written while files are opening
+    // in order to properly rotate the PassThrough this._stream when the file
+    // eventually does open.
+    this._pendingSize += bytes;
+    if (this._opening
+      && !this.rotatedWhileOpening
+      && this._needsNewFile(this._size + this._pendingSize)) {
+      this.rotatedWhileOpening = true;
+    }
+
+    const written = this._stream.write(output, logged.bind(this));
+    if (!written) {
+      this._drain = true;
+      this._stream.once('drain', () => {
+        this._drain = false;
+        callback();
+      });
+    } else {
+      callback(); // eslint-disable-line callback-return
+    }
+
+    debug('written', written, this._drain);
+
+    this.finishIfEnding();
+
+    return written;
+  }
+
+  /**
+   * Query the transport. Options object is optional.
+   * @param {Object} options - Loggly-like query options for this instance.
+   * @param {function} callback - Continuation to respond to when complete.
+   * TODO: Refactor me.
+   */
+  query(options, callback) {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    options = normalizeQuery(options);
+    const file = path.join(this.dirname, this.filename);
+    let buff = '';
+    let results = [];
+    let row = 0;
+
+    const stream = fs.createReadStream(file, {
+      encoding: 'utf8'
+    });
+
+    stream.on('error', err => {
+      if (stream.readable) {
+        stream.destroy();
+      }
+      if (!callback) {
+        return;
+      }
+
+      return err.code !== 'ENOENT' ? callback(err) : callback(null, results);
+    });
+
+    stream.on('data', data => {
+      data = (buff + data).split(/\n+/);
+      const l = data.length - 1;
+      let i = 0;
+
+      for (; i < l; i++) {
+        if (!options.start || row >= options.start) {
+          add(data[i]);
+        }
+        row++;
+      }
+
+      buff = data[l];
+    });
+
+    stream.on('close', () => {
+      if (buff) {
+        add(buff, true);
+      }
+      if (options.order === 'desc') {
+        results = results.reverse();
+      }
+
+      // eslint-disable-next-line callback-return
+      if (callback) callback(null, results);
+    });
+
+    function add(buff, attempt) {
+      try {
+        const log = JSON.parse(buff);
+        if (check(log)) {
+          push(log);
+        }
+      } catch (e) {
+        if (!attempt) {
+          stream.emit('error', e);
+        }
+      }
+    }
+
+    function push(log) {
+      if (
+        options.rows &&
+        results.length >= options.rows &&
+        options.order !== 'desc'
+      ) {
+        if (stream.readable) {
+          stream.destroy();
+        }
+        return;
+      }
+
+      if (options.fields) {
+        log = options.fields.reduce((obj, key) => {
+          obj[key] = log[key];
+          return obj;
+        }, {});
+      }
+
+      if (options.order === 'desc') {
+        if (results.length >= options.rows) {
+          results.shift();
+        }
+      }
+      results.push(log);
+    }
+
+    function check(log) {
+      if (!log) {
+        return;
+      }
+
+      if (typeof log !== 'object') {
+        return;
+      }
+
+      const time = new Date(log.timestamp);
+      if (
+        (options.from && time < options.from) ||
+        (options.until && time > options.until) ||
+        (options.level && options.level !== log.level)
+      ) {
+        return;
+      }
+
+      return true;
+    }
+
+    function normalizeQuery(options) {
+      options = options || {};
+
+      // limit
+      options.rows = options.rows || options.limit || 10;
+
+      // starting row offset
+      options.start = options.start || 0;
+
+      // now
+      options.until = options.until || new Date();
+      if (typeof options.until !== 'object') {
+        options.until = new Date(options.until);
+      }
+
+      // now - 24
+      options.from = options.from || (options.until - (24 * 60 * 60 * 1000));
+      if (typeof options.from !== 'object') {
+        options.from = new Date(options.from);
+      }
+
+      // 'asc' or 'desc'
+      options.order = options.order || 'desc';
+
+      return options;
+    }
+  }
+
+  /**
+   * Returns a log stream for this transport. Options object is optional.
+   * @param {Object} options - Stream options for this instance.
+   * @returns {Stream} - TODO: add return description.
+   * TODO: Refactor me.
+   */
+  stream(options = {}) {
+    const file = path.join(this.dirname, this.filename);
+    const stream = new Stream();
+    const tail = {
+      file,
+      start: options.start
+    };
+
+    stream.destroy = tailFile(tail, (err, line) => {
+      if (err) {
+        return stream.emit('error', err);
+      }
+
+      try {
+        stream.emit('data', line);
+        line = JSON.parse(line);
+        stream.emit('log', line);
+      } catch (e) {
+        stream.emit('error', e);
+      }
+    });
+
+    return stream;
+  }
+
+  /**
+   * Checks to see the filesize of.
+   * @returns {undefined}
+   */
+  open() {
+    // If we do not have a filename then we were passed a stream and
+    // don't need to keep track of size.
+    if (!this.filename) return;
+    if (this._opening) return;
+
+    this._opening = true;
+
+    // Stat the target file to get the size and create the stream.
+    this.stat((err, size) => {
+      if (err) {
+        return this.emit('error', err);
+      }
+      debug('stat done: %s { size: %s }', this.filename, size);
+      this._size = size;
+      this._dest = this._createStream(this._stream);
+      this._opening = false;
+      this.once('open', () => {
+        if (!this._stream.emit('rotate')) {
+          this._rotate = false;
+        }
+      });
+    });
+  }
+
+  /**
+   * Stat the file and assess information in order to create the proper stream.
+   * @param {function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  stat(callback) {
+    const target = this._getFile();
+    const fullpath = path.join(this.dirname, target);
+
+    fs.stat(fullpath, (err, stat) => {
+      if (err && err.code === 'ENOENT') {
+        debug('ENOENT ok', fullpath);
+        // Update internally tracked filename with the new target name.
+        this.filename = target;
+        return callback(null, 0);
+      }
+
+      if (err) {
+        debug(`err ${err.code} ${fullpath}`);
+        return callback(err);
+      }
+
+      if (!stat || this._needsNewFile(stat.size)) {
+        // If `stats.size` is greater than the `maxsize` for this
+        // instance then try again.
+        return this._incFile(() => this.stat(callback));
+      }
+
+      // Once we have figured out what the filename is, set it
+      // and return the size.
+      this.filename = target;
+      callback(null, stat.size);
+    });
+  }
+
+  /**
+   * Closes the stream associated with this instance.
+   * @param {function} cb - TODO: add param description.
+   * @returns {undefined}
+   */
+  close(cb) {
+    if (!this._stream) {
+      return;
+    }
+
+    this._stream.end(() => {
+      if (cb) {
+        cb(); // eslint-disable-line callback-return
+      }
+      this.emit('flush');
+      this.emit('closed');
+    });
+  }
+
+  /**
+   * TODO: add method description.
+   * @param {number} size - TODO: add param description.
+   * @returns {undefined}
+   */
+  _needsNewFile(size) {
+    size = size || this._size;
+    return this.maxsize && size >= this.maxsize;
+  }
+
+  /**
+   * TODO: add method description.
+   * @param {Error} err - TODO: add param description.
+   * @returns {undefined}
+   */
+  _onError(err) {
+    this.emit('error', err);
+  }
+
+  /**
+   * TODO: add method description.
+   * @param {Stream} stream - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   */
+  _setupStream(stream) {
+    stream.on('error', this._onError);
+
+    return stream;
+  }
+
+  /**
+   * TODO: add method description.
+   * @param {Stream} stream - TODO: add param description.
+   * @returns {mixed} - TODO: add return description.
+   */
+  _cleanupStream(stream) {
+    stream.removeListener('error', this._onError);
+    stream.destroy();
+    return stream;
+  }
+
+  /**
+   * TODO: add method description.
+   */
+  _rotateFile() {
+    this._incFile(() => this.open());
+  }
+
+  /**
+   * Unpipe from the stream that has been marked as full and end it so it
+   * flushes to disk.
+   *
+   * @param {function} callback - Callback for when the current file has closed.
+   * @private
+   */
+  _endStream(callback = () => { }) {
+    if (this._dest) {
+      this._stream.unpipe(this._dest);
+      this._dest.end(() => {
+        this._cleanupStream(this._dest);
+        callback();
+      });
+    } else {
+      callback(); // eslint-disable-line callback-return
+    }
+  }
+
+  /**
+   * Returns the WritableStream for the active file on this instance. If we
+   * should gzip the file then a zlib stream is returned.
+   *
+   * @param {ReadableStream} source –PassThrough to pipe to the file when open.
+   * @returns {WritableStream} Stream that writes to disk for the active file.
+   */
+  _createStream(source) {
+    const fullpath = path.join(this.dirname, this.filename);
+
+    debug('create stream start', fullpath, this.options);
+    const dest = fs.createWriteStream(fullpath, this.options)
+      // TODO: What should we do with errors here?
+      .on('error', err => debug(err))
+      .on('close', () => debug('close', dest.path, dest.bytesWritten))
+      .on('open', () => {
+        debug('file open ok', fullpath);
+        this.emit('open', fullpath);
+        source.pipe(dest);
+
+        // If rotation occured during the open operation then we immediately
+        // start writing to a new PassThrough, begin opening the next file
+        // and cleanup the previous source and dest once the source has drained.
+        if (this.rotatedWhileOpening) {
+          this._stream = new PassThrough();
+          this._stream.setMaxListeners(30);
+          this._rotateFile();
+          this.rotatedWhileOpening = false;
+          this._cleanupStream(dest);
+          source.end();
+        }
+      });
+
+    debug('create stream ok', fullpath);
+    return dest;
+  }
+
+  /**
+   * TODO: add method description.
+   * @param {function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  _incFile(callback) {
+    debug('_incFile', this.filename);
+    const ext = path.extname(this._basename);
+    const basename = path.basename(this._basename, ext);
+    const tasks = [];
+
+    if (this.zippedArchive) {
+      tasks.push(
+        function (cb) {
+          const num = this._created > 0 && !this.tailable ? this._created : '';
+          this._compressFile(
+            path.join(this.dirname, `${basename}${num}${ext}`),
+            path.join(this.dirname, `${basename}${num}${ext}.gz`),
+            cb
+          );
+        }.bind(this)
+      );
+    }
+
+    tasks.push(
+      function (cb) {
+        if (!this.tailable) {
+          this._created += 1;
+          this._checkMaxFilesIncrementing(ext, basename, cb);
+        } else {
+          this._checkMaxFilesTailable(ext, basename, cb);
+        }
+      }.bind(this)
+    );
+
+    asyncSeries(tasks, callback);
+  }
+
+  /**
+   * Gets the next filename to use for this instance in the case that log
+   * filesizes are being capped.
+   * @returns {string} - TODO: add return description.
+   * @private
+   */
+  _getFile() {
+    const ext = path.extname(this._basename);
+    const basename = path.basename(this._basename, ext);
+    const isRotation = this.rotationFormat
+      ? this.rotationFormat()
+      : this._created;
+
+    // Caveat emptor (indexzero): rotationFormat() was broken by design When
+    // combined with max files because the set of files to unlink is never
+    // stored.
+    return !this.tailable && this._created
+      ? `${basename}${isRotation}${ext}`
+      : `${basename}${ext}`;
+  }
+
+  /**
+   * Increment the number of files created or checked by this instance.
+   * @param {mixed} ext - TODO: add param description.
+   * @param {mixed} basename - TODO: add param description.
+   * @param {mixed} callback - TODO: add param description.
+   * @returns {undefined}
+   * @private
+   */
+  _checkMaxFilesIncrementing(ext, basename, callback) {
+    // Check for maxFiles option and delete file.
+    if (!this.maxFiles || this._created < this.maxFiles) {
+      return setImmediate(callback);
+    }
+
+    const oldest = this._created - this.maxFiles;
+    const isOldest = oldest !== 0 ? oldest : '';
+    const isZipped = this.zippedArchive ? '.gz' : '';
+    const filePath = `${basename}${isOldest}${ext}${isZipped}`;
+    const target = path.join(this.dirname, filePath);
+
+    fs.unlink(target, callback);
+  }
+
+  /**
+   * Roll files forward based on integer, up to maxFiles. e.g. if base if
+   * file.log and it becomes oversized, roll to file1.log, and allow file.log
+   * to be re-used. If file is oversized again, roll file1.log to file2.log,
+   * roll file.log to file1.log, and so on.
+   * @param {mixed} ext - TODO: add param description.
+   * @param {mixed} basename - TODO: add param description.
+   * @param {mixed} callback - TODO: add param description.
+   * @returns {undefined}
+   * @private
+   */
+  _checkMaxFilesTailable(ext, basename, callback) {
+    const tasks = [];
+    if (!this.maxFiles) {
+      return;
+    }
+
+    // const isZipped = this.zippedArchive ? '.gz' : '';
+    const isZipped = this.zippedArchive ? '.gz' : '';
+    for (let x = this.maxFiles - 1; x > 1; x--) {
+      tasks.push(function (i, cb) {
+        let fileName = `${basename}${(i - 1)}${ext}${isZipped}`;
+        const tmppath = path.join(this.dirname, fileName);
+
+        fs.exists(tmppath, exists => {
+          if (!exists) {
+            return cb(null);
+          }
+
+          fileName = `${basename}${i}${ext}${isZipped}`;
+          fs.rename(tmppath, path.join(this.dirname, fileName), cb);
+        });
+      }.bind(this, x));
+    }
+
+    asyncSeries(tasks, () => {
+      fs.rename(
+        path.join(this.dirname, `${basename}${ext}${isZipped}`),
+        path.join(this.dirname, `${basename}1${ext}${isZipped}`),
+        callback
+      );
+    });
+  }
+
+  /**
+   * Compresses src to dest with gzip and unlinks src
+   * @param {string} src - path to source file.
+   * @param {string} dest - path to zipped destination file.
+   * @param {Function} callback - callback called after file has been compressed.
+   * @returns {undefined}
+   * @private
+   */
+  _compressFile(src, dest, callback) {
+    fs.access(src, fs.F_OK, (err) => {
+      if (err) {
+        return callback();
+      }
+      var gzip = zlib.createGzip();
+      var inp = fs.createReadStream(src);
+      var out = fs.createWriteStream(dest);
+      out.on('finish', () => {
+        fs.unlink(src, callback);
+      });
+      inp.pipe(gzip).pipe(out);
+    });
+  }
+
+  _createLogDirIfNotExist(dirPath) {
+    /* eslint-disable no-sync */
+    if (!fs.existsSync(dirPath)) {
+      fs.mkdirSync(dirPath, { recursive: true });
+    }
+    /* eslint-enable no-sync */
+  }
+};

node_modules/winston/lib/winston/transports/http.js

@@ -0,0 +1,262 @@
+/**
+ * http.js: Transport for outputting to a json-rpcserver.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const http = require('http');
+const https = require('https');
+const { Stream } = require('readable-stream');
+const TransportStream = require('winston-transport');
+const { configure } = require('safe-stable-stringify');
+
+/**
+ * Transport for outputting to a json-rpc server.
+ * @type {Stream}
+ * @extends {TransportStream}
+ */
+module.exports = class Http extends TransportStream {
+  /**
+   * Constructor function for the Http transport object responsible for
+   * persisting log messages and metadata to a terminal or TTY.
+   * @param {!Object} [options={}] - Options for this instance.
+   */
+  // eslint-disable-next-line max-statements
+  constructor(options = {}) {
+    super(options);
+
+    this.options = options;
+    this.name = options.name || 'http';
+    this.ssl = !!options.ssl;
+    this.host = options.host || 'localhost';
+    this.port = options.port;
+    this.auth = options.auth;
+    this.path = options.path || '';
+    this.maximumDepth = options.maximumDepth;
+    this.agent = options.agent;
+    this.headers = options.headers || {};
+    this.headers['content-type'] = 'application/json';
+    this.batch = options.batch || false;
+    this.batchInterval = options.batchInterval || 5000;
+    this.batchCount = options.batchCount || 10;
+    this.batchOptions = [];
+    this.batchTimeoutID = -1;
+    this.batchCallback = {};
+
+    if (!this.port) {
+      this.port = this.ssl ? 443 : 80;
+    }
+  }
+
+  /**
+   * Core logging method exposed to Winston.
+   * @param {Object} info - TODO: add param description.
+   * @param {function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  log(info, callback) {
+    this._request(info, null, null, (err, res) => {
+      if (res && res.statusCode !== 200) {
+        err = new Error(`Invalid HTTP Status Code: ${res.statusCode}`);
+      }
+
+      if (err) {
+        this.emit('warn', err);
+      } else {
+        this.emit('logged', info);
+      }
+    });
+
+    // Remark: (jcrugzz) Fire and forget here so requests dont cause buffering
+    // and block more requests from happening?
+    if (callback) {
+      setImmediate(callback);
+    }
+  }
+
+  /**
+   * Query the transport. Options object is optional.
+   * @param {Object} options -  Loggly-like query options for this instance.
+   * @param {function} callback - Continuation to respond to when complete.
+   * @returns {undefined}
+   */
+  query(options, callback) {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    options = {
+      method: 'query',
+      params: this.normalizeQuery(options)
+    };
+
+    const auth = options.params.auth || null;
+    delete options.params.auth;
+
+    const path = options.params.path || null;
+    delete options.params.path;
+
+    this._request(options, auth, path, (err, res, body) => {
+      if (res && res.statusCode !== 200) {
+        err = new Error(`Invalid HTTP Status Code: ${res.statusCode}`);
+      }
+
+      if (err) {
+        return callback(err);
+      }
+
+      if (typeof body === 'string') {
+        try {
+          body = JSON.parse(body);
+        } catch (e) {
+          return callback(e);
+        }
+      }
+
+      callback(null, body);
+    });
+  }
+
+  /**
+   * Returns a log stream for this transport. Options object is optional.
+   * @param {Object} options - Stream options for this instance.
+   * @returns {Stream} - TODO: add return description
+   */
+  stream(options = {}) {
+    const stream = new Stream();
+    options = {
+      method: 'stream',
+      params: options
+    };
+
+    const path = options.params.path || null;
+    delete options.params.path;
+
+    const auth = options.params.auth || null;
+    delete options.params.auth;
+
+    let buff = '';
+    const req = this._request(options, auth, path);
+
+    stream.destroy = () => req.destroy();
+    req.on('data', data => {
+      data = (buff + data).split(/\n+/);
+      const l = data.length - 1;
+
+      let i = 0;
+      for (; i < l; i++) {
+        try {
+          stream.emit('log', JSON.parse(data[i]));
+        } catch (e) {
+          stream.emit('error', e);
+        }
+      }
+
+      buff = data[l];
+    });
+    req.on('error', err => stream.emit('error', err));
+
+    return stream;
+  }
+
+  /**
+   * Make a request to a winstond server or any http server which can
+   * handle json-rpc.
+   * @param {function} options - Options to sent the request.
+   * @param {Object?} auth - authentication options
+   * @param {string} path - request path
+   * @param {function} callback - Continuation to respond to when complete.
+   */
+  _request(options, auth, path, callback) {
+    options = options || {};
+
+    auth = auth || this.auth;
+    path = path || this.path || '';
+
+    if (this.batch) {
+      this._doBatch(options, callback, auth, path);
+    } else {
+      this._doRequest(options, callback, auth, path);
+    }
+  }
+
+  /**
+   * Send or memorize the options according to batch configuration
+   * @param {function} options - Options to sent the request.
+   * @param {function} callback - Continuation to respond to when complete.
+   * @param {Object?} auth - authentication options
+   * @param {string} path - request path
+   */
+  _doBatch(options, callback, auth, path) {
+    this.batchOptions.push(options);
+    if (this.batchOptions.length === 1) {
+      // First message stored, it's time to start the timeout!
+      const me = this;
+      this.batchCallback = callback;
+      this.batchTimeoutID = setTimeout(function () {
+        // timeout is reached, send all messages to endpoint
+        me.batchTimeoutID = -1;
+        me._doBatchRequest(me.batchCallback, auth, path);
+      }, this.batchInterval);
+    }
+    if (this.batchOptions.length === this.batchCount) {
+      // max batch count is reached, send all messages to endpoint
+      this._doBatchRequest(this.batchCallback, auth, path);
+    }
+  }
+
+  /**
+   * Initiate a request with the memorized batch options, stop the batch timeout
+   * @param {function} callback - Continuation to respond to when complete.
+   * @param {Object?} auth - authentication options
+   * @param {string} path - request path
+   */
+  _doBatchRequest(callback, auth, path) {
+    if (this.batchTimeoutID > 0) {
+      clearTimeout(this.batchTimeoutID);
+      this.batchTimeoutID = -1;
+    }
+    const batchOptionsCopy = this.batchOptions.slice();
+    this.batchOptions = [];
+    this._doRequest(batchOptionsCopy, callback, auth, path);
+  }
+
+  /**
+   * Make a request to a winstond server or any http server which can
+   * handle json-rpc.
+   * @param {function} options - Options to sent the request.
+   * @param {function} callback - Continuation to respond to when complete.
+   * @param {Object?} auth - authentication options
+   * @param {string} path - request path
+   */
+  _doRequest(options, callback, auth, path) {
+    // Prepare options for outgoing HTTP request
+    const headers = Object.assign({}, this.headers);
+    if (auth && auth.bearer) {
+      headers.Authorization = `Bearer ${auth.bearer}`;
+    }
+    const req = (this.ssl ? https : http).request({
+      ...this.options,
+      method: 'POST',
+      host: this.host,
+      port: this.port,
+      path: `/${path.replace(/^\//, '')}`,
+      headers: headers,
+      auth: (auth && auth.username && auth.password) ? (`${auth.username}:${auth.password}`) : '',
+      agent: this.agent
+    });
+
+    req.on('error', callback);
+    req.on('response', res => (
+      res.on('end', () => callback(null, res)).resume()
+    ));
+    const jsonStringify = configure({
+      ...(this.maximumDepth && { maximumDepth: this.maximumDepth })
+    });
+    req.end(Buffer.from(jsonStringify(options, this.options.replacer), 'utf8'));
+  }
+};

node_modules/winston/lib/winston/transports/index.d.ts

@@ -0,0 +1,117 @@
+// Type definitions for winston 3.0
+// Project: https://github.com/winstonjs/winston
+
+/// <reference types="node" />
+
+import { Agent } from 'http';
+
+import * as Transport from 'winston-transport';
+
+declare namespace winston {
+  interface ConsoleTransportOptions extends Transport.TransportStreamOptions {
+    consoleWarnLevels?: string[];
+    stderrLevels?: string[];
+    debugStdout?: boolean;
+    eol?: string;
+    forceConsole?: boolean;
+  }
+
+  interface ConsoleTransportInstance extends Transport {
+    name: string;
+    stderrLevels: string[];
+    eol: string;
+
+    new (options?: ConsoleTransportOptions): ConsoleTransportInstance;
+  }
+
+  interface FileTransportOptions extends Transport.TransportStreamOptions {
+    filename?: string;
+    dirname?: string;
+    options?: object;
+    maxsize?: number;
+    stream?: NodeJS.WritableStream;
+    rotationFormat?: Function;
+    zippedArchive?: boolean;
+    maxFiles?: number;
+    eol?: string;
+    tailable?: boolean;
+    lazy?: boolean;
+  }
+
+  interface FileTransportInstance extends Transport {
+    name: string;
+    filename: string;
+    dirname: string;
+    options: object;
+    maxsize: number | null;
+    rotationFormat: Function | boolean;
+    zippedArchive: boolean;
+    maxFiles: number | null;
+    eol: string;
+    tailable: boolean;
+    lazy: boolean;
+
+    new (options?: FileTransportOptions): FileTransportInstance;
+  }
+
+  interface HttpTransportOptions extends Transport.TransportStreamOptions {
+    ssl?: any;
+    host?: string;
+    port?: number;
+    auth?: {
+      username?: string | undefined;
+      password?: string | undefined;
+      bearer?: string | undefined;
+    };
+    path?: string;
+    agent?: Agent;
+    headers?: object;
+    batch?: boolean;
+    batchInterval?: number;
+    batchCount?: number;
+    replacer?: (key: string, value: any) => any;
+    maximumDepth?: number;
+  }
+
+  interface HttpTransportInstance extends Transport {
+    name: string;
+    ssl: boolean;
+    host: string;
+    maximumDepth: number;
+    port: number;
+    auth?: {
+      username?: string | undefined;
+      password?: string | undefined;
+      bearer?: string | undefined;
+    };
+    path: string;
+    agent?: Agent | null;
+
+    new (options?: HttpTransportOptions): HttpTransportInstance;
+  }
+
+  interface StreamTransportOptions extends Transport.TransportStreamOptions {
+    stream: NodeJS.WritableStream;
+    eol?: string;
+  }
+
+  interface StreamTransportInstance extends Transport {
+    eol: string;
+
+    new (options?: StreamTransportOptions): StreamTransportInstance;
+  }
+
+  interface Transports {
+    FileTransportOptions: FileTransportOptions;
+    File: FileTransportInstance;
+    ConsoleTransportOptions: ConsoleTransportOptions;
+    Console: ConsoleTransportInstance;
+    HttpTransportOptions: HttpTransportOptions;
+    Http: HttpTransportInstance;
+    StreamTransportOptions: StreamTransportOptions;
+    Stream: StreamTransportInstance;
+  }
+}
+
+declare const winston: winston.Transports;
+export = winston;

node_modules/winston/lib/winston/transports/index.js

@@ -0,0 +1,56 @@
+/**
+ * transports.js: Set of all transports Winston knows about.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+/**
+ * TODO: add property description.
+ * @type {Console}
+ */
+Object.defineProperty(exports, 'Console', {
+  configurable: true,
+  enumerable: true,
+  get() {
+    return require('./console');
+  }
+});
+
+/**
+ * TODO: add property description.
+ * @type {File}
+ */
+Object.defineProperty(exports, 'File', {
+  configurable: true,
+  enumerable: true,
+  get() {
+    return require('./file');
+  }
+});
+
+/**
+ * TODO: add property description.
+ * @type {Http}
+ */
+Object.defineProperty(exports, 'Http', {
+  configurable: true,
+  enumerable: true,
+  get() {
+    return require('./http');
+  }
+});
+
+/**
+ * TODO: add property description.
+ * @type {Stream}
+ */
+Object.defineProperty(exports, 'Stream', {
+  configurable: true,
+  enumerable: true,
+  get() {
+    return require('./stream');
+  }
+});

node_modules/winston/lib/winston/transports/stream.js

@@ -0,0 +1,63 @@
+/**
+ * stream.js: Transport for outputting to any arbitrary stream.
+ *
+ * (C) 2010 Charlie Robbins
+ * MIT LICENCE
+ */
+
+'use strict';
+
+const isStream = require('is-stream');
+const { MESSAGE } = require('triple-beam');
+const os = require('os');
+const TransportStream = require('winston-transport');
+
+/**
+ * Transport for outputting to any arbitrary stream.
+ * @type {Stream}
+ * @extends {TransportStream}
+ */
+module.exports = class Stream extends TransportStream {
+  /**
+   * Constructor function for the Console transport object responsible for
+   * persisting log messages and metadata to a terminal or TTY.
+   * @param {!Object} [options={}] - Options for this instance.
+   */
+  constructor(options = {}) {
+    super(options);
+
+    if (!options.stream || !isStream(options.stream)) {
+      throw new Error('options.stream is required.');
+    }
+
+    // We need to listen for drain events when write() returns false. This can
+    // make node mad at times.
+    this._stream = options.stream;
+    this._stream.setMaxListeners(Infinity);
+    this.isObjectMode = options.stream._writableState.objectMode;
+    this.eol = (typeof options.eol === 'string') ? options.eol : os.EOL;
+  }
+
+  /**
+   * Core logging method exposed to Winston.
+   * @param {Object} info - TODO: add param description.
+   * @param {Function} callback - TODO: add param description.
+   * @returns {undefined}
+   */
+  log(info, callback) {
+    setImmediate(() => this.emit('logged', info));
+    if (this.isObjectMode) {
+      this._stream.write(info);
+      if (callback) {
+        callback(); // eslint-disable-line callback-return
+      }
+      return;
+    }
+
+    this._stream.write(`${info[MESSAGE]}${this.eol}`);
+    if (callback) {
+      callback(); // eslint-disable-line callback-return
+    }
+    return;
+  }
+};

node_modules/winston/node_modules/async/CHANGELOG.md

@@ -0,0 +1,351 @@
+# v3.2.5
+- Ensure `Error` objects such as `AggregateError` are propagated without modification (#1920)
+
+# v3.2.4
+- Fix a bug in `priorityQueue` where it didn't wait for the result. (#1725)
+- Fix a bug where `unshiftAsync` was included in `priorityQueue`. (#1790)
+
+# v3.2.3
+- Fix bugs in comment parsing in `autoInject`. (#1767, #1780)
+
+# v3.2.2
+- Fix potential prototype pollution exploit
+
+# v3.2.1
+- Use `queueMicrotask` if available to the environment (#1761)
+- Minor perf improvement in `priorityQueue` (#1727)
+- More examples in documentation (#1726)
+- Various doc fixes (#1708, #1712, #1717, #1740, #1739, #1749, #1756)
+- Improved test coverage (#1754)
+
+# v3.2.0
+- Fix a bug in Safari related to overwriting `func.name`
+- Remove built-in browserify configuration (#1653)
+- Varios doc fixes (#1688, #1703, #1704)
+
+# v3.1.1
+- Allow redefining `name` property on wrapped functions.
+
+# v3.1.0
+
+- Added `q.pushAsync` and `q.unshiftAsync`, analagous to `q.push` and `q.unshift`, except they always do not accept a callback, and reject if processing the task errors. (#1659)
+- Promises returned from `q.push` and `q.unshift` when a callback is not passed now resolve even if an error ocurred. (#1659)
+- Fixed a parsing bug in `autoInject` with complicated function bodies (#1663)
+- Added ES6+ configuration for Browserify bundlers (#1653)
+- Various doc fixes (#1664, #1658, #1665, #1652)
+
+# v3.0.1
+
+## Bug fixes
+- Fixed a regression where arrays passed to `queue` and `cargo` would be completely flattened. (#1645)
+- Clarified Async's browser support (#1643)
+
+
+# v3.0.0
+
+The `async`/`await` release!
+
+There are a lot of new features and subtle breaking changes in this major version, but the biggest feature is that most Async methods return a Promise if you omit the callback, meaning you can `await` them from within an `async` function.
+
+```js
+const results = await async.mapLimit(urls, 5, async url => {
+    const resp = await fetch(url)
+    return resp.body
+})
+```
+
+## Breaking Changes
+- Most Async methods return a Promise when the final callback is omitted, making them `await`-able! (#1572)
+- We are now making heavy use of ES2015 features, this means we have dropped out-of-the-box support for Node 4 and earlier, and many old versions of browsers. (#1541, #1553)
+- In `queue`, `priorityQueue`, `cargo` and `cargoQueue`, the "event"-style methods, like `q.drain` and `q.saturated` are now methods that register a callback, rather than properties you assign a callback to.  They are now of the form `q.drain(callback)`.  If you do not pass a callback a Promise will be returned for the next occurrence of the event, making them `await`-able, e.g. `await q.drain()`.  (#1586, #1641)
+- Calling `callback(false)` will cancel an async method, preventing further iteration and callback calls.  This is useful for preventing memory leaks when you break out of an async flow by calling an outer callback. (#1064, #1542)
+- `during` and `doDuring` have been removed, and instead `whilst`, `doWhilst`, `until` and `doUntil` now have asynchronous `test` functions. (#850, #1557)
+- `limits` of less than 1 now cause an error to be thrown in queues and collection methods. (#1249, #1552)
+- `memoize` no longer memoizes errors (#1465, #1466)
+- `applyEach`/`applyEachSeries` have a simpler interface, to make them more easily type-able.  It always returns a function that takes in a single callback argument.  If that callback is omitted, a promise is returned, making it awaitable. (#1228, #1640)
+
+## New Features
+- Async generators are now supported in all the Collection methods. (#1560)
+- Added `cargoQueue`, a queue with both `concurrency` and `payload` size parameters. (#1567)
+- Queue objects returned from `queue` now have a `Symbol.iterator` method, meaning they can be iterated over to inspect the current list of items in the queue. (#1459, #1556)
+- A ESM-flavored `async.mjs` is included in the `async` package.  This is described in the `package.json` `"module"` field, meaning it should be automatically used by Webpack and other compatible bundlers.
+
+## Bug fixes
+- Better handle arbitrary error objects in `asyncify` (#1568, #1569)
+
+## Other
+- Removed Lodash as a dependency (#1283, #1528)
+- Miscellaneous docs fixes (#1393, #1501, #1540, #1543, #1558, #1563, #1564, #1579, #1581)
+- Miscellaneous test fixes (#1538)
+
+-------
+
+# v2.6.1
+- Updated lodash to prevent `npm audit` warnings. (#1532, #1533)
+- Made `async-es` more optimized for webpack users (#1517)
+- Fixed a stack overflow with large collections and a synchronous iterator (#1514)
+- Various small fixes/chores (#1505, #1511, #1527, #1530)
+
+# v2.6.0
+- Added missing aliases for many methods.  Previously, you could not (e.g.) `require('async/find')` or use `async.anyLimit`. (#1483)
+- Improved `queue` performance. (#1448, #1454)
+- Add missing sourcemap (#1452, #1453)
+- Various doc updates (#1448, #1471, #1483)
+
+# v2.5.0
+- Added `concatLimit`, the `Limit` equivalent of [`concat`](https://caolan.github.io/async/docs.html#concat) ([#1426](https://github.com/caolan/async/issues/1426), [#1430](https://github.com/caolan/async/pull/1430))
+- `concat` improvements: it now preserves order, handles falsy values and the `iteratee` callback takes a variable number of arguments ([#1437](https://github.com/caolan/async/issues/1437), [#1436](https://github.com/caolan/async/pull/1436))
+- Fixed an issue in `queue`  where there was a size discrepancy between `workersList().length` and `running()` ([#1428](https://github.com/caolan/async/issues/1428), [#1429](https://github.com/caolan/async/pull/1429))
+- Various doc fixes ([#1422](https://github.com/caolan/async/issues/1422), [#1424](https://github.com/caolan/async/pull/1424))
+
+# v2.4.1
+- Fixed a bug preventing functions wrapped  with `timeout()` from being re-used. ([#1418](https://github.com/caolan/async/issues/1418), [#1419](https://github.com/caolan/async/issues/1419))
+
+# v2.4.0
+- Added `tryEach`, for running async functions in parallel, where you only expect one to succeed. ([#1365](https://github.com/caolan/async/issues/1365), [#687](https://github.com/caolan/async/issues/687))
+- Improved performance, most notably in `parallel` and `waterfall` ([#1395](https://github.com/caolan/async/issues/1395))
+- Added `queue.remove()`, for removing items in a `queue` ([#1397](https://github.com/caolan/async/issues/1397), [#1391](https://github.com/caolan/async/issues/1391))
+- Fixed using `eval`, preventing Async from running in pages with Content Security Policy ([#1404](https://github.com/caolan/async/issues/1404), [#1403](https://github.com/caolan/async/issues/1403))
+- Fixed errors thrown in an `asyncify`ed function's callback being caught by the underlying Promise ([#1408](https://github.com/caolan/async/issues/1408))
+- Fixed timing of `queue.empty()` ([#1367](https://github.com/caolan/async/issues/1367))
+- Various doc fixes ([#1314](https://github.com/caolan/async/issues/1314), [#1394](https://github.com/caolan/async/issues/1394), [#1412](https://github.com/caolan/async/issues/1412))
+
+# v2.3.0
+- Added support for ES2017 `async` functions.  Wherever you can pass a Node-style/CPS function that uses a callback, you can also pass an `async` function.  Previously, you had to wrap `async` functions with `asyncify`.  The caveat is that it will only work if `async` functions are supported natively in your environment, transpiled implementations can't be detected.  ([#1386](https://github.com/caolan/async/issues/1386), [#1390](https://github.com/caolan/async/issues/1390))
+- Small doc fix ([#1392](https://github.com/caolan/async/issues/1392))
+
+# v2.2.0
+- Added `groupBy`, and the `Series`/`Limit` equivalents, analogous to [`_.groupBy`](http://lodash.com/docs#groupBy) ([#1364](https://github.com/caolan/async/issues/1364))
+- Fixed `transform` bug when `callback` was not passed ([#1381](https://github.com/caolan/async/issues/1381))
+- Added note about `reflect` to `parallel` docs ([#1385](https://github.com/caolan/async/issues/1385))
+
+# v2.1.5
+- Fix `auto` bug when function names collided with Array.prototype ([#1358](https://github.com/caolan/async/issues/1358))
+- Improve some error messages ([#1349](https://github.com/caolan/async/issues/1349))
+- Avoid stack overflow case in queue
+- Fixed an issue in `some`, `every` and `find` where processing would continue after the result was determined.
+- Cleanup implementations of `some`, `every` and `find`
+
+# v2.1.3
+- Make bundle size smaller
+- Create optimized hotpath for `filter` in array case.
+
+# v2.1.2
+- Fixed a stackoverflow bug with `detect`, `some`, `every` on large inputs ([#1293](https://github.com/caolan/async/issues/1293)).
+
+# v2.1.0
+
+- `retry` and `retryable` now support an optional `errorFilter` function that determines if the `task` should retry on the error ([#1256](https://github.com/caolan/async/issues/1256), [#1261](https://github.com/caolan/async/issues/1261))
+- Optimized array iteration in `race`, `cargo`, `queue`, and `priorityQueue` ([#1253](https://github.com/caolan/async/issues/1253))
+- Added alias documentation to doc site ([#1251](https://github.com/caolan/async/issues/1251), [#1254](https://github.com/caolan/async/issues/1254))
+- Added [BootStrap scrollspy](http://getbootstrap.com/javascript/#scrollspy) to docs to highlight in the sidebar the current method being viewed  ([#1289](https://github.com/caolan/async/issues/1289), [#1300](https://github.com/caolan/async/issues/1300))
+- Various minor doc fixes ([#1263](https://github.com/caolan/async/issues/1263), [#1264](https://github.com/caolan/async/issues/1264), [#1271](https://github.com/caolan/async/issues/1271), [#1278](https://github.com/caolan/async/issues/1278), [#1280](https://github.com/caolan/async/issues/1280), [#1282](https://github.com/caolan/async/issues/1282), [#1302](https://github.com/caolan/async/issues/1302))
+
+# v2.0.1
+
+- Significantly optimized all iteration based collection methods such as `each`, `map`, `filter`, etc ([#1245](https://github.com/caolan/async/issues/1245), [#1246](https://github.com/caolan/async/issues/1246), [#1247](https://github.com/caolan/async/issues/1247)).
+
+# v2.0.0
+
+Lots of changes here!
+
+First and foremost, we have a slick new [site for docs](https://caolan.github.io/async/). Special thanks to [**@hargasinski**](https://github.com/hargasinski) for his work converting our old docs to `jsdoc` format and implementing the new website. Also huge ups to [**@ivanseidel**](https://github.com/ivanseidel) for designing our new logo. It was a long process for both of these tasks, but I think these changes turned out extraordinary well.
+
+The biggest feature is modularization. You can now `require("async/series")` to only require the `series` function. Every Async library function is available this way. You still can `require("async")` to require the entire library, like you could do before.
+
+We also provide Async as a collection of ES2015 modules. You can now `import {each} from 'async-es'` or `import waterfall from 'async-es/waterfall'`. If you are using only a few Async functions, and are using a ES bundler such as Rollup, this can significantly lower your build size.
+
+Major thanks to [**@Kikobeats**](github.com/Kikobeats), [**@aearly**](github.com/aearly) and [**@megawac**](github.com/megawac) for doing the majority of the modularization work, as well as [**@jdalton**](github.com/jdalton) and [**@Rich-Harris**](github.com/Rich-Harris) for advisory work on the general modularization strategy.
+
+Another one of the general themes of the 2.0 release is standardization of what an "async" function is. We are now more strictly following the node-style continuation passing style. That is, an async function is a function that:
+
+1. Takes a variable number of arguments
+2. The last argument is always a callback
+3. The callback can accept any number of arguments
+4. The first argument passed to the callback will be treated as an error result, if the argument is truthy
+5. Any number of result arguments can be passed after the "error" argument
+6. The callback is called once and exactly once, either on the same tick or later tick of the JavaScript event loop.
+
+There were several cases where Async accepted some functions that did not strictly have these properties, most notably `auto`, `every`, `some`, `filter`, `reject` and `detect`.
+
+Another theme is performance. We have eliminated internal deferrals in all cases where they make sense. For example, in `waterfall` and `auto`, there was a `setImmediate` between each task -- these deferrals have been removed. A `setImmediate` call can add up to 1ms of delay. This might not seem like a lot, but it can add up if you are using many Async functions in the course of processing a HTTP request, for example. Nearly all asynchronous functions that do I/O already have some sort of deferral built in, so the extra deferral is unnecessary. The trade-off of this change is removing our built-in stack-overflow defense. Many synchronous callback calls in series can quickly overflow the JS call stack. If you do have a function that is sometimes synchronous (calling its callback on the same tick), and are running into stack overflows, wrap it with `async.ensureAsync()`.
+
+Another big performance win has been re-implementing `queue`, `cargo`, and `priorityQueue` with [doubly linked lists](https://en.wikipedia.org/wiki/Doubly_linked_list) instead of arrays. This has lead to queues being an order of [magnitude faster on large sets of tasks](https://github.com/caolan/async/pull/1205).
+
+## New Features
+
+- Async is now modularized. Individual functions can be `require()`d from the main package. (`require('async/auto')`) ([#984](https://github.com/caolan/async/issues/984), [#996](https://github.com/caolan/async/issues/996))
+- Async is also available as a collection of ES2015 modules in the new `async-es` package. (`import {forEachSeries} from 'async-es'`) ([#984](https://github.com/caolan/async/issues/984), [#996](https://github.com/caolan/async/issues/996))
+- Added `race`, analogous to `Promise.race()`. It will run an array of async tasks in parallel and will call its callback with the result of the first task to respond. ([#568](https://github.com/caolan/async/issues/568), [#1038](https://github.com/caolan/async/issues/1038))
+- Collection methods now accept ES2015 iterators.  Maps, Sets, and anything that implements the iterator spec can now be passed directly to `each`, `map`, `parallel`, etc.. ([#579](https://github.com/caolan/async/issues/579), [#839](https://github.com/caolan/async/issues/839), [#1074](https://github.com/caolan/async/issues/1074))
+- Added `mapValues`, for mapping over the properties of an object and returning an object with the same keys. ([#1157](https://github.com/caolan/async/issues/1157), [#1177](https://github.com/caolan/async/issues/1177))
+- Added `timeout`, a wrapper for an async function that will make the task time-out after the specified time. ([#1007](https://github.com/caolan/async/issues/1007), [#1027](https://github.com/caolan/async/issues/1027))
+- Added `reflect` and `reflectAll`, analagous to [`Promise.reflect()`](http://bluebirdjs.com/docs/api/reflect.html), a wrapper for async tasks that always succeeds, by gathering results and errors into an object.  ([#942](https://github.com/caolan/async/issues/942), [#1012](https://github.com/caolan/async/issues/1012), [#1095](https://github.com/caolan/async/issues/1095))
+- `constant` supports dynamic arguments -- it will now always use its last argument as the callback. ([#1016](https://github.com/caolan/async/issues/1016), [#1052](https://github.com/caolan/async/issues/1052))
+- `setImmediate` and `nextTick` now support arguments to partially apply to the deferred function, like the node-native versions do. ([#940](https://github.com/caolan/async/issues/940), [#1053](https://github.com/caolan/async/issues/1053))
+- `auto` now supports resolving cyclic dependencies using [Kahn's algorithm](https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm) ([#1140](https://github.com/caolan/async/issues/1140)).
+- Added `autoInject`, a relative of `auto` that automatically spreads a task's dependencies as arguments to the task function. ([#608](https://github.com/caolan/async/issues/608), [#1055](https://github.com/caolan/async/issues/1055), [#1099](https://github.com/caolan/async/issues/1099), [#1100](https://github.com/caolan/async/issues/1100))
+- You can now limit the concurrency of `auto` tasks. ([#635](https://github.com/caolan/async/issues/635), [#637](https://github.com/caolan/async/issues/637))
+- Added `retryable`, a relative of `retry` that wraps an async function, making it retry when called. ([#1058](https://github.com/caolan/async/issues/1058))
+- `retry` now supports specifying a function that determines the next time interval, useful for exponential backoff, logging and other retry strategies. ([#1161](https://github.com/caolan/async/issues/1161))
+- `retry` will now pass all of the arguments the task function was resolved with to the callback ([#1231](https://github.com/caolan/async/issues/1231)).
+- Added `q.unsaturated` -- callback called when a `queue`'s number of running workers falls below a threshold. ([#868](https://github.com/caolan/async/issues/868), [#1030](https://github.com/caolan/async/issues/1030), [#1033](https://github.com/caolan/async/issues/1033), [#1034](https://github.com/caolan/async/issues/1034))
+- Added `q.error` -- a callback called whenever a `queue` task calls its callback with an error. ([#1170](https://github.com/caolan/async/issues/1170))
+- `applyEach` and `applyEachSeries` now pass results to the final callback. ([#1088](https://github.com/caolan/async/issues/1088))
+
+## Breaking changes
+
+- Calling a callback more than once is considered an error, and an error will be thrown. This had an explicit breaking change in `waterfall`. If you were relying on this behavior, you should more accurately represent your control flow as an event emitter or stream. ([#814](https://github.com/caolan/async/issues/814), [#815](https://github.com/caolan/async/issues/815), [#1048](https://github.com/caolan/async/issues/1048), [#1050](https://github.com/caolan/async/issues/1050))
+- `auto` task functions now always take the callback as the last argument. If a task has dependencies, the `results` object will be passed as the first argument. To migrate old task functions, wrap them with [`_.flip`](https://lodash.com/docs#flip) ([#1036](https://github.com/caolan/async/issues/1036), [#1042](https://github.com/caolan/async/issues/1042))
+- Internal `setImmediate` calls have been refactored away. This may make existing flows vulnerable to stack overflows if you use many synchronous functions in series. Use `ensureAsync` to work around this. ([#696](https://github.com/caolan/async/issues/696), [#704](https://github.com/caolan/async/issues/704), [#1049](https://github.com/caolan/async/issues/1049), [#1050](https://github.com/caolan/async/issues/1050))
+- `map` used to return an object when iterating over an object.  `map` now always returns an array, like in other libraries.  The previous object behavior has been split out into `mapValues`. ([#1157](https://github.com/caolan/async/issues/1157), [#1177](https://github.com/caolan/async/issues/1177))
+- `filter`, `reject`, `some`, `every`, `detect` and their families like `{METHOD}Series` and `{METHOD}Limit` now expect an error as the first callback argument, rather than just a simple boolean. Pass `null` as the first argument, or use `fs.access` instead of `fs.exists`. ([#118](https://github.com/caolan/async/issues/118), [#774](https://github.com/caolan/async/issues/774), [#1028](https://github.com/caolan/async/issues/1028), [#1041](https://github.com/caolan/async/issues/1041))
+- `{METHOD}` and `{METHOD}Series` are now implemented in terms of `{METHOD}Limit`. This is a major internal simplification, and is not expected to cause many problems, but it does subtly affect how functions execute internally. ([#778](https://github.com/caolan/async/issues/778), [#847](https://github.com/caolan/async/issues/847))
+- `retry`'s callback is now optional. Previously, omitting the callback would partially apply the function, meaning it could be passed directly as a task to `series` or `auto`. The partially applied "control-flow" behavior has been separated out into `retryable`. ([#1054](https://github.com/caolan/async/issues/1054), [#1058](https://github.com/caolan/async/issues/1058))
+- The test function for `whilst`, `until`, and `during` used to be passed non-error args from the iteratee function's callback, but this led to weirdness where the first call of the test function would be passed no args. We have made it so the test function is never passed extra arguments, and only the `doWhilst`, `doUntil`, and `doDuring` functions pass iteratee callback arguments to the test function ([#1217](https://github.com/caolan/async/issues/1217), [#1224](https://github.com/caolan/async/issues/1224))
+- The `q.tasks` array has been renamed `q._tasks` and is now implemented as a doubly linked list (DLL). Any code that used to interact with this array will need to be updated to either use the provided helpers or support DLLs ([#1205](https://github.com/caolan/async/issues/1205)).
+- The timing of the `q.saturated()` callback in a `queue` has been modified to better reflect when tasks pushed to the queue will start queueing. ([#724](https://github.com/caolan/async/issues/724), [#1078](https://github.com/caolan/async/issues/1078))
+- Removed `iterator` method in favour of [ES2015 iterator protocol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators ) which natively supports arrays ([#1237](https://github.com/caolan/async/issues/1237))
+- Dropped support for Component, Jam, SPM, and Volo ([#1175](https://github.com/caolan/async/issues/1175), #[#176](https://github.com/caolan/async/issues/176))
+
+## Bug Fixes
+
+- Improved handling of no dependency cases in `auto` & `autoInject` ([#1147](https://github.com/caolan/async/issues/1147)).
+- Fixed a bug where the callback generated by `asyncify` with  `Promises` could resolve twice ([#1197](https://github.com/caolan/async/issues/1197)).
+- Fixed several documented optional callbacks not actually being optional ([#1223](https://github.com/caolan/async/issues/1223)).
+
+## Other
+
+- Added `someSeries` and `everySeries` for symmetry, as well as a complete set of `any`/`anyLimit`/`anySeries` and `all`/`/allLmit`/`allSeries` aliases.
+- Added `find` as an alias for `detect. (as well as `findLimit` and `findSeries`).
+- Various doc fixes ([#1005](https://github.com/caolan/async/issues/1005), [#1008](https://github.com/caolan/async/issues/1008), [#1010](https://github.com/caolan/async/issues/1010), [#1015](https://github.com/caolan/async/issues/1015), [#1021](https://github.com/caolan/async/issues/1021), [#1037](https://github.com/caolan/async/issues/1037), [#1039](https://github.com/caolan/async/issues/1039), [#1051](https://github.com/caolan/async/issues/1051), [#1102](https://github.com/caolan/async/issues/1102), [#1107](https://github.com/caolan/async/issues/1107), [#1121](https://github.com/caolan/async/issues/1121), [#1123](https://github.com/caolan/async/issues/1123), [#1129](https://github.com/caolan/async/issues/1129), [#1135](https://github.com/caolan/async/issues/1135), [#1138](https://github.com/caolan/async/issues/1138), [#1141](https://github.com/caolan/async/issues/1141), [#1153](https://github.com/caolan/async/issues/1153), [#1216](https://github.com/caolan/async/issues/1216), [#1217](https://github.com/caolan/async/issues/1217), [#1232](https://github.com/caolan/async/issues/1232), [#1233](https://github.com/caolan/async/issues/1233), [#1236](https://github.com/caolan/async/issues/1236), [#1238](https://github.com/caolan/async/issues/1238))
+
+Thank you [**@aearly**](github.com/aearly) and [**@megawac**](github.com/megawac) for taking the lead on version 2 of async.
+
+------------------------------------------
+
+# v1.5.2
+- Allow using `"constructor"` as an argument in `memoize` ([#998](https://github.com/caolan/async/issues/998))
+- Give a better error messsage when `auto` dependency checking fails ([#994](https://github.com/caolan/async/issues/994))
+- Various doc updates ([#936](https://github.com/caolan/async/issues/936), [#956](https://github.com/caolan/async/issues/956), [#979](https://github.com/caolan/async/issues/979), [#1002](https://github.com/caolan/async/issues/1002))
+
+# v1.5.1
+- Fix issue with `pause` in `queue` with concurrency enabled ([#946](https://github.com/caolan/async/issues/946))
+- `while` and `until` now pass the final result to callback ([#963](https://github.com/caolan/async/issues/963))
+- `auto` will properly handle concurrency when there is no callback ([#966](https://github.com/caolan/async/issues/966))
+- `auto` will no. properly stop execution when an error occurs ([#988](https://github.com/caolan/async/issues/988), [#993](https://github.com/caolan/async/issues/993))
+- Various doc fixes ([#971](https://github.com/caolan/async/issues/971), [#980](https://github.com/caolan/async/issues/980))
+
+# v1.5.0
+
+- Added `transform`, analogous to [`_.transform`](http://lodash.com/docs#transform) ([#892](https://github.com/caolan/async/issues/892))
+- `map` now returns an object when an object is passed in, rather than array with non-numeric keys. `map` will begin always returning an array with numeric indexes in the next major release. ([#873](https://github.com/caolan/async/issues/873))
+- `auto` now accepts an optional `concurrency` argument to limit the number o. running tasks ([#637](https://github.com/caolan/async/issues/637))
+- Added `queue#workersList()`, to retrieve the lis. of currently running tasks. ([#891](https://github.com/caolan/async/issues/891))
+- Various code simplifications ([#896](https://github.com/caolan/async/issues/896), [#904](https://github.com/caolan/async/issues/904))
+- Various doc fixes :scroll: ([#890](https://github.com/caolan/async/issues/890), [#894](https://github.com/caolan/async/issues/894), [#903](https://github.com/caolan/async/issues/903), [#905](https://github.com/caolan/async/issues/905), [#912](https://github.com/caolan/async/issues/912))
+
+# v1.4.2
+
+- Ensure coverage files don't get published on npm ([#879](https://github.com/caolan/async/issues/879))
+
+# v1.4.1
+
+- Add in overlooked `detectLimit` method ([#866](https://github.com/caolan/async/issues/866))
+- Removed unnecessary files from npm releases ([#861](https://github.com/caolan/async/issues/861))
+- Removed usage of a reserved word to prevent :boom: in older environments ([#870](https://github.com/caolan/async/issues/870))
+
+# v1.4.0
+
+- `asyncify` now supports promises ([#840](https://github.com/caolan/async/issues/840))
+- Added `Limit` versions of `filter` and `reject` ([#836](https://github.com/caolan/async/issues/836))
+- Add `Limit` versions of `detect`, `some` and `every` ([#828](https://github.com/caolan/async/issues/828), [#829](https://github.com/caolan/async/issues/829))
+- `some`, `every` and `detect` now short circuit early ([#828](https://github.com/caolan/async/issues/828), [#829](https://github.com/caolan/async/issues/829))
+- Improve detection of the global object ([#804](https://github.com/caolan/async/issues/804)), enabling use in WebWorkers
+- `whilst` now called with arguments from iterator ([#823](https://github.com/caolan/async/issues/823))
+- `during` now gets called with arguments from iterator ([#824](https://github.com/caolan/async/issues/824))
+- Code simplifications and optimizations aplenty ([diff](https://github.com/caolan/async/compare/v1.3.0...v1.4.0))
+
+
+# v1.3.0
+
+New Features:
+- Added `constant`
+- Added `asyncify`/`wrapSync` for making sync functions work with callbacks. ([#671](https://github.com/caolan/async/issues/671), [#806](https://github.com/caolan/async/issues/806))
+- Added `during` and `doDuring`, which are like `whilst` with an async truth test. ([#800](https://github.com/caolan/async/issues/800))
+- `retry` now accepts an `interval` parameter to specify a delay between retries. ([#793](https://github.com/caolan/async/issues/793))
+- `async` should work better in Web Workers due to better `root` detection ([#804](https://github.com/caolan/async/issues/804))
+- Callbacks are now optional in `whilst`, `doWhilst`, `until`, and `doUntil` ([#642](https://github.com/caolan/async/issues/642))
+- Various internal updates ([#786](https://github.com/caolan/async/issues/786), [#801](https://github.com/caolan/async/issues/801), [#802](https://github.com/caolan/async/issues/802), [#803](https://github.com/caolan/async/issues/803))
+- Various doc fixes ([#790](https://github.com/caolan/async/issues/790), [#794](https://github.com/caolan/async/issues/794))
+
+Bug Fixes:
+- `cargo` now exposes the `payload` size, and `cargo.payload` can be changed on the fly after the `cargo` is created. ([#740](https://github.com/caolan/async/issues/740), [#744](https://github.com/caolan/async/issues/744), [#783](https://github.com/caolan/async/issues/783))
+
+
+# v1.2.1
+
+Bug Fix:
+
+- Small regression with synchronous iterator behavior in `eachSeries` with a 1-element array. Before 1.1.0, `eachSeries`'s callback was called on the same tick, which this patch restores. In 2.0.0, it will be called on the next tick. ([#782](https://github.com/caolan/async/issues/782))
+
+
+# v1.2.0
+
+New Features:
+
+- Added `timesLimit` ([#743](https://github.com/caolan/async/issues/743))
+- `concurrency` can be changed after initialization in `queue` by setting `q.concurrency`. The new concurrency will be reflected the next time a task is processed. ([#747](https://github.com/caolan/async/issues/747), [#772](https://github.com/caolan/async/issues/772))
+
+Bug Fixes:
+
+- Fixed a regression in `each` and family with empty arrays that have additional properties. ([#775](https://github.com/caolan/async/issues/775), [#777](https://github.com/caolan/async/issues/777))
+
+
+# v1.1.1
+
+Bug Fix:
+
+- Small regression with synchronous iterator behavior in `eachSeries` with a 1-element array. Before 1.1.0, `eachSeries`'s callback was called on the same tick, which this patch restores. In 2.0.0, it will be called on the next tick. ([#782](https://github.com/caolan/async/issues/782))
+
+
+# v1.1.0
+
+New Features:
+
+- `cargo` now supports all of the same methods and event callbacks as `queue`.
+- Added `ensureAsync` - A wrapper that ensures an async function calls its callback on a later tick. ([#769](https://github.com/caolan/async/issues/769))
+- Optimized `map`, `eachOf`, and `waterfall` families of functions
+- Passing a `null` or `undefined` array to `map`, `each`, `parallel` and families will be treated as an empty array ([#667](https://github.com/caolan/async/issues/667)).
+- The callback is now optional for the composed results of `compose` and `seq`. ([#618](https://github.com/caolan/async/issues/618))
+- Reduced file size by 4kb, (minified version by 1kb)
+- Added code coverage through `nyc` and `coveralls` ([#768](https://github.com/caolan/async/issues/768))
+
+Bug Fixes:
+
+- `forever` will no longer stack overflow with a synchronous iterator ([#622](https://github.com/caolan/async/issues/622))
+- `eachLimit` and other limit functions will stop iterating once an error occurs ([#754](https://github.com/caolan/async/issues/754))
+- Always pass `null` in callbacks when there is no error ([#439](https://github.com/caolan/async/issues/439))
+- Ensure proper conditions when calling `drain()` after pushing an empty data set to a queue ([#668](https://github.com/caolan/async/issues/668))
+- `each` and family will properly handle an empty array ([#578](https://github.com/caolan/async/issues/578))
+- `eachSeries` and family will finish if the underlying array is modified during execution ([#557](https://github.com/caolan/async/issues/557))
+- `queue` will throw if a non-function is passed to `q.push()` ([#593](https://github.com/caolan/async/issues/593))
+- Doc fixes ([#629](https://github.com/caolan/async/issues/629), [#766](https://github.com/caolan/async/issues/766))
+
+
+# v1.0.0
+
+No known breaking changes, we are simply complying with semver from here on out.
+
+Changes:
+
+- Start using a changelog!
+- Add `forEachOf` for iterating over Objects (or to iterate Arrays with indexes available) ([#168](https://github.com/caolan/async/issues/168) [#704](https://github.com/caolan/async/issues/704) [#321](https://github.com/caolan/async/issues/321))
+- Detect deadlocks in `auto` ([#663](https://github.com/caolan/async/issues/663))
+- Better support for require.js ([#527](https://github.com/caolan/async/issues/527))
+- Throw if queue created with concurrency `0` ([#714](https://github.com/caolan/async/issues/714))
+- Fix unneeded iteration in `queue.resume()` ([#758](https://github.com/caolan/async/issues/758))
+- Guard against timer mocking overriding `setImmediate` ([#609](https://github.com/caolan/async/issues/609) [#611](https://github.com/caolan/async/issues/611))
+- Miscellaneous doc fixes ([#542](https://github.com/caolan/async/issues/542) [#596](https://github.com/caolan/async/issues/596) [#615](https://github.com/caolan/async/issues/615) [#628](https://github.com/caolan/async/issues/628) [#631](https://github.com/caolan/async/issues/631) [#690](https://github.com/caolan/async/issues/690) [#729](https://github.com/caolan/async/issues/729))
+- Use single noop function internally ([#546](https://github.com/caolan/async/issues/546))
+- Optimize internal `_each`, `_map` and `_keys` functions.

node_modules/winston/node_modules/async/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2010-2018 Caolan McMahon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

node_modules/winston/node_modules/async/README.md

@@ -0,0 +1,59 @@
+![Async Logo](https://raw.githubusercontent.com/caolan/async/master/logo/async-logo_readme.jpg)
+
+![Github Actions CI status](https://github.com/caolan/async/actions/workflows/ci.yml/badge.svg)
+[![NPM version](https://img.shields.io/npm/v/async.svg)](https://www.npmjs.com/package/async)
+[![Coverage Status](https://coveralls.io/repos/caolan/async/badge.svg?branch=master)](https://coveralls.io/r/caolan/async?branch=master)
+[![Join the chat at https://gitter.im/caolan/async](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/caolan/async?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/async/badge?style=rounded)](https://www.jsdelivr.com/package/npm/async)
+
+<!--
+|Linux|Windows|MacOS|
+|-|-|-|
+|[![Linux Build Status](https://dev.azure.com/caolanmcmahon/async/_apis/build/status/caolan.async?branchName=master&jobName=Linux&configuration=Linux%20node_10_x)](https://dev.azure.com/caolanmcmahon/async/_build/latest?definitionId=1&branchName=master) | [![Windows Build Status](https://dev.azure.com/caolanmcmahon/async/_apis/build/status/caolan.async?branchName=master&jobName=Windows&configuration=Windows%20node_10_x)](https://dev.azure.com/caolanmcmahon/async/_build/latest?definitionId=1&branchName=master) | [![MacOS Build Status](https://dev.azure.com/caolanmcmahon/async/_apis/build/status/caolan.async?branchName=master&jobName=OSX&configuration=OSX%20node_10_x)](https://dev.azure.com/caolanmcmahon/async/_build/latest?definitionId=1&branchName=master)| -->
+
+Async is a utility module which provides straight-forward, powerful functions for working with [asynchronous JavaScript](http://caolan.github.io/async/v3/global.html). Although originally designed for use with [Node.js](https://nodejs.org/) and installable via `npm i async`, it can also be used directly in the browser.  An ESM/MJS version is included in the main `async` package that should automatically be used with compatible bundlers such as Webpack and Rollup.
+
+A pure ESM version of Async is available as [`async-es`](https://www.npmjs.com/package/async-es).
+
+For Documentation, visit <https://caolan.github.io/async/>
+
+*For Async v1.5.x documentation, go [HERE](https://github.com/caolan/async/blob/v1.5.2/README.md)*
+
+
+```javascript
+// for use with Node-style callbacks...
+var async = require("async");
+
+var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
+var configs = {};
+
+async.forEachOf(obj, (value, key, callback) => {
+    fs.readFile(__dirname + value, "utf8", (err, data) => {
+        if (err) return callback(err);
+        try {
+            configs[key] = JSON.parse(data);
+        } catch (e) {
+            return callback(e);
+        }
+        callback();
+    });
+}, err => {
+    if (err) console.error(err.message);
+    // configs is now a map of JSON data
+    doSomethingWith(configs);
+});
+```
+
+```javascript
+var async = require("async");
+
+// ...or ES2017 async functions
+async.mapLimit(urls, 5, async function(url) {
+    const response = await fetch(url)
+    return response.body
+}, (err, results) => {
+    if (err) throw err
+    // results is now an array of the response bodies
+    console.log(results)
+})
+```

node_modules/winston/node_modules/async/all.js

@@ -0,0 +1,119 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if every element in `coll` satisfies an async test. If any
+ * iteratee call returns `false`, the main `callback` is immediately called.
+ *
+ * @name every
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias all
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * const fileList = ['dir1/file1.txt','dir2/file3.txt','dir3/file5.txt'];
+ * const withMissingFileList = ['file1.txt','file2.txt','file4.txt'];
+ *
+ * // asynchronous function that checks if a file exists
+ * function fileExists(file, callback) {
+ *    fs.access(file, fs.constants.F_OK, (err) => {
+ *        callback(null, !err);
+ *    });
+ * }
+ *
+ * // Using callbacks
+ * async.every(fileList, fileExists, function(err, result) {
+ *     console.log(result);
+ *     // true
+ *     // result is true since every file exists
+ * });
+ *
+ * async.every(withMissingFileList, fileExists, function(err, result) {
+ *     console.log(result);
+ *     // false
+ *     // result is false since NOT every file exists
+ * });
+ *
+ * // Using Promises
+ * async.every(fileList, fileExists)
+ * .then( result => {
+ *     console.log(result);
+ *     // true
+ *     // result is true since every file exists
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * async.every(withMissingFileList, fileExists)
+ * .then( result => {
+ *     console.log(result);
+ *     // false
+ *     // result is false since NOT every file exists
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.every(fileList, fileExists);
+ *         console.log(result);
+ *         // true
+ *         // result is true since every file exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * async () => {
+ *     try {
+ *         let result = await async.every(withMissingFileList, fileExists);
+ *         console.log(result);
+ *         // false
+ *         // result is false since NOT every file exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function every(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => !bool, res => !res)(_eachOf2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(every, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/allLimit.js

@@ -0,0 +1,46 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name everyLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function everyLimit(coll, limit, iteratee, callback) {
+    return (0, _createTester2.default)(bool => !bool, res => !res)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(everyLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/allSeries.js

@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfSeries = require('./eachOfSeries.js');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
+ *
+ * @name everySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in series.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function everySeries(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => !bool, res => !res)(_eachOfSeries2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(everySeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/any.js

@@ -0,0 +1,122 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if at least one element in the `coll` satisfies an async test.
+ * If any iteratee call returns `true`, the main `callback` is immediately
+ * called.
+ *
+ * @name some
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias any
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * // asynchronous function that checks if a file exists
+ * function fileExists(file, callback) {
+ *    fs.access(file, fs.constants.F_OK, (err) => {
+ *        callback(null, !err);
+ *    });
+ * }
+ *
+ * // Using callbacks
+ * async.some(['dir1/missing.txt','dir2/missing.txt','dir3/file5.txt'], fileExists,
+ *    function(err, result) {
+ *        console.log(result);
+ *        // true
+ *        // result is true since some file in the list exists
+ *    }
+ *);
+ *
+ * async.some(['dir1/missing.txt','dir2/missing.txt','dir4/missing.txt'], fileExists,
+ *    function(err, result) {
+ *        console.log(result);
+ *        // false
+ *        // result is false since none of the files exists
+ *    }
+ *);
+ *
+ * // Using Promises
+ * async.some(['dir1/missing.txt','dir2/missing.txt','dir3/file5.txt'], fileExists)
+ * .then( result => {
+ *     console.log(result);
+ *     // true
+ *     // result is true since some file in the list exists
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * async.some(['dir1/missing.txt','dir2/missing.txt','dir4/missing.txt'], fileExists)
+ * .then( result => {
+ *     console.log(result);
+ *     // false
+ *     // result is false since none of the files exists
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.some(['dir1/missing.txt','dir2/missing.txt','dir3/file5.txt'], fileExists);
+ *         console.log(result);
+ *         // true
+ *         // result is true since some file in the list exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * async () => {
+ *     try {
+ *         let result = await async.some(['dir1/missing.txt','dir2/missing.txt','dir4/missing.txt'], fileExists);
+ *         console.log(result);
+ *         // false
+ *         // result is false since none of the files exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function some(coll, iteratee, callback) {
+    return (0, _createTester2.default)(Boolean, res => res)(_eachOf2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(some, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/anyLimit.js

@@ -0,0 +1,47 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name someLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anyLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in parallel.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function someLimit(coll, limit, iteratee, callback) {
+    return (0, _createTester2.default)(Boolean, res => res)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(someLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/anySeries.js

@@ -0,0 +1,46 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfSeries = require('./eachOfSeries.js');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`some`]{@link module:Collections.some} but runs only a single async operation at a time.
+ *
+ * @name someSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.some]{@link module:Collections.some}
+ * @alias anySeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collections in series.
+ * The iteratee should complete with a boolean `result` value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the iteratee functions have finished.
+ * Result will be either `true` or `false` depending on the values of the async
+ * tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function someSeries(coll, iteratee, callback) {
+    return (0, _createTester2.default)(Boolean, res => res)(_eachOfSeries2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(someSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/apply.js

@@ -0,0 +1,11 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (fn, ...args) {
+    return (...callArgs) => fn(...args, ...callArgs);
+};
+
+module.exports = exports.default;

node_modules/winston/node_modules/async/applyEach.js

@@ -0,0 +1,57 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _applyEach = require('./internal/applyEach.js');
+
+var _applyEach2 = _interopRequireDefault(_applyEach);
+
+var _map = require('./map.js');
+
+var _map2 = _interopRequireDefault(_map);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies the provided arguments to each function in the array, calling
+ * `callback` after all functions have completed. If you only provide the first
+ * argument, `fns`, then it will return a function which lets you pass in the
+ * arguments as if it were a single function call. If more arguments are
+ * provided, `callback` is required while `args` is still optional. The results
+ * for each of the applied async functions are passed to the final callback
+ * as an array.
+ *
+ * @name applyEach
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Array|Iterable|AsyncIterable|Object} fns - A collection of {@link AsyncFunction}s
+ * to all call with the same arguments
+ * @param {...*} [args] - any number of separate arguments to pass to the
+ * function.
+ * @param {Function} [callback] - the final argument should be the callback,
+ * called when all functions have completed processing.
+ * @returns {AsyncFunction} - Returns a function that takes no args other than
+ * an optional callback, that is the result of applying the `args` to each
+ * of the functions.
+ * @example
+ *
+ * const appliedFn = async.applyEach([enableSearch, updateSchema], 'bucket')
+ *
+ * appliedFn((err, results) => {
+ *     // results[0] is the results for `enableSearch`
+ *     // results[1] is the results for `updateSchema`
+ * });
+ *
+ * // partial application example:
+ * async.each(
+ *     buckets,
+ *     async (bucket) => async.applyEach([enableSearch, updateSchema], bucket)(),
+ *     callback
+ * );
+ */
+exports.default = (0, _applyEach2.default)(_map2.default);
+module.exports = exports.default;

node_modules/winston/node_modules/async/applyEachSeries.js

@@ -0,0 +1,37 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _applyEach = require('./internal/applyEach.js');
+
+var _applyEach2 = _interopRequireDefault(_applyEach);
+
+var _mapSeries = require('./mapSeries.js');
+
+var _mapSeries2 = _interopRequireDefault(_mapSeries);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`applyEach`]{@link module:ControlFlow.applyEach} but runs only a single async operation at a time.
+ *
+ * @name applyEachSeries
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.applyEach]{@link module:ControlFlow.applyEach}
+ * @category Control Flow
+ * @param {Array|Iterable|AsyncIterable|Object} fns - A collection of {@link AsyncFunction}s to all
+ * call with the same arguments
+ * @param {...*} [args] - any number of separate arguments to pass to the
+ * function.
+ * @param {Function} [callback] - the final argument should be the callback,
+ * called when all functions have completed processing.
+ * @returns {AsyncFunction} - A function, that when called, is the result of
+ * appling the `args` to the list of functions.  It takes no args, other than
+ * a callback.
+ */
+exports.default = (0, _applyEach2.default)(_mapSeries2.default);
+module.exports = exports.default;

node_modules/winston/node_modules/async/asyncify.js

@@ -0,0 +1,118 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = asyncify;
+
+var _initialParams = require('./internal/initialParams.js');
+
+var _initialParams2 = _interopRequireDefault(_initialParams);
+
+var _setImmediate = require('./internal/setImmediate.js');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Take a sync function and make it async, passing its return value to a
+ * callback. This is useful for plugging sync functions into a waterfall,
+ * series, or other async functions. Any arguments passed to the generated
+ * function will be passed to the wrapped function (except for the final
+ * callback argument). Errors thrown will be passed to the callback.
+ *
+ * If the function passed to `asyncify` returns a Promise, that promises's
+ * resolved/rejected state will be used to call the callback, rather than simply
+ * the synchronous return value.
+ *
+ * This also means you can asyncify ES2017 `async` functions.
+ *
+ * @name asyncify
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @alias wrapSync
+ * @category Util
+ * @param {Function} func - The synchronous function, or Promise-returning
+ * function to convert to an {@link AsyncFunction}.
+ * @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be
+ * invoked with `(args..., callback)`.
+ * @example
+ *
+ * // passing a regular synchronous function
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(JSON.parse),
+ *     function (data, next) {
+ *         // data is the result of parsing the text.
+ *         // If there was a parsing error, it would have been caught.
+ *     }
+ * ], callback);
+ *
+ * // passing a function returning a promise
+ * async.waterfall([
+ *     async.apply(fs.readFile, filename, "utf8"),
+ *     async.asyncify(function (contents) {
+ *         return db.model.create(contents);
+ *     }),
+ *     function (model, next) {
+ *         // `model` is the instantiated model object.
+ *         // If there was an error, this function would be skipped.
+ *     }
+ * ], callback);
+ *
+ * // es2017 example, though `asyncify` is not needed if your JS environment
+ * // supports async functions out of the box
+ * var q = async.queue(async.asyncify(async function(file) {
+ *     var intermediateStep = await processFile(file);
+ *     return await somePromise(intermediateStep)
+ * }));
+ *
+ * q.push(files);
+ */
+function asyncify(func) {
+    if ((0, _wrapAsync.isAsync)(func)) {
+        return function (...args /*, callback*/) {
+            const callback = args.pop();
+            const promise = func.apply(this, args);
+            return handlePromise(promise, callback);
+        };
+    }
+
+    return (0, _initialParams2.default)(function (args, callback) {
+        var result;
+        try {
+            result = func.apply(this, args);
+        } catch (e) {
+            return callback(e);
+        }
+        // if result is Promise object
+        if (result && typeof result.then === 'function') {
+            return handlePromise(result, callback);
+        } else {
+            callback(null, result);
+        }
+    });
+}
+
+function handlePromise(promise, callback) {
+    return promise.then(value => {
+        invokeCallback(callback, null, value);
+    }, err => {
+        invokeCallback(callback, err && (err instanceof Error || err.message) ? err : new Error(err));
+    });
+}
+
+function invokeCallback(callback, error, value) {
+    try {
+        callback(error, value);
+    } catch (err) {
+        (0, _setImmediate2.default)(e => {
+            throw e;
+        }, err);
+    }
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/auto.js

@@ -0,0 +1,333 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = auto;
+
+var _once = require('./internal/once.js');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _onlyOnce = require('./internal/onlyOnce.js');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _promiseCallback = require('./internal/promiseCallback.js');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Determines the best order for running the {@link AsyncFunction}s in `tasks`, based on
+ * their requirements. Each function can optionally depend on other functions
+ * being completed first, and each function is run as soon as its requirements
+ * are satisfied.
+ *
+ * If any of the {@link AsyncFunction}s pass an error to their callback, the `auto` sequence
+ * will stop. Further tasks will not execute (so any other functions depending
+ * on it will not run), and the main `callback` is immediately called with the
+ * error.
+ *
+ * {@link AsyncFunction}s also receive an object containing the results of functions which
+ * have completed so far as the first argument, if they have dependencies. If a
+ * task function has no dependencies, it will only be passed a callback.
+ *
+ * @name auto
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {Object} tasks - An object. Each of its properties is either a
+ * function or an array of requirements, with the {@link AsyncFunction} itself the last item
+ * in the array. The object's key of a property serves as the name of the task
+ * defined by that property, i.e. can be used when specifying requirements for
+ * other tasks. The function receives one or two arguments:
+ * * a `results` object, containing the results of the previously executed
+ *   functions, only passed if the task has any dependencies,
+ * * a `callback(err, result)` function, which must be called when finished,
+ *   passing an `error` (which can be `null`) and the result of the function's
+ *   execution.
+ * @param {number} [concurrency=Infinity] - An optional `integer` for
+ * determining the maximum number of tasks that can be run in parallel. By
+ * default, as many as possible.
+ * @param {Function} [callback] - An optional callback which is called when all
+ * the tasks have been completed. It receives the `err` argument if any `tasks`
+ * pass an error to their callback. Results are always returned; however, if an
+ * error occurs, no further `tasks` will be performed, and the results object
+ * will only contain partial results. Invoked with (err, results).
+ * @returns {Promise} a promise, if a callback is not passed
+ * @example
+ *
+ * //Using Callbacks
+ * async.auto({
+ *     get_data: function(callback) {
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: ['get_data', 'make_folder', function(results, callback) {
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(results, callback) {
+ *         // once the file is written let's email a link to it...
+ *         callback(null, {'file':results.write_file, 'email':'user@example.com'});
+ *     }]
+ * }, function(err, results) {
+ *     if (err) {
+ *         console.log('err = ', err);
+ *     }
+ *     console.log('results = ', results);
+ *     // results = {
+ *     //     get_data: ['data', 'converted to array']
+ *     //     make_folder; 'folder',
+ *     //     write_file: 'filename'
+ *     //     email_link: { file: 'filename', email: 'user@example.com' }
+ *     // }
+ * });
+ *
+ * //Using Promises
+ * async.auto({
+ *     get_data: function(callback) {
+ *         console.log('in get_data');
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         console.log('in make_folder');
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: ['get_data', 'make_folder', function(results, callback) {
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(results, callback) {
+ *         // once the file is written let's email a link to it...
+ *         callback(null, {'file':results.write_file, 'email':'user@example.com'});
+ *     }]
+ * }).then(results => {
+ *     console.log('results = ', results);
+ *     // results = {
+ *     //     get_data: ['data', 'converted to array']
+ *     //     make_folder; 'folder',
+ *     //     write_file: 'filename'
+ *     //     email_link: { file: 'filename', email: 'user@example.com' }
+ *     // }
+ * }).catch(err => {
+ *     console.log('err = ', err);
+ * });
+ *
+ * //Using async/await
+ * async () => {
+ *     try {
+ *         let results = await async.auto({
+ *             get_data: function(callback) {
+ *                 // async code to get some data
+ *                 callback(null, 'data', 'converted to array');
+ *             },
+ *             make_folder: function(callback) {
+ *                 // async code to create a directory to store a file in
+ *                 // this is run at the same time as getting the data
+ *                 callback(null, 'folder');
+ *             },
+ *             write_file: ['get_data', 'make_folder', function(results, callback) {
+ *                 // once there is some data and the directory exists,
+ *                 // write the data to a file in the directory
+ *                 callback(null, 'filename');
+ *             }],
+ *             email_link: ['write_file', function(results, callback) {
+ *                 // once the file is written let's email a link to it...
+ *                 callback(null, {'file':results.write_file, 'email':'user@example.com'});
+ *             }]
+ *         });
+ *         console.log('results = ', results);
+ *         // results = {
+ *         //     get_data: ['data', 'converted to array']
+ *         //     make_folder; 'folder',
+ *         //     write_file: 'filename'
+ *         //     email_link: { file: 'filename', email: 'user@example.com' }
+ *         // }
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function auto(tasks, concurrency, callback) {
+    if (typeof concurrency !== 'number') {
+        // concurrency is optional, shift the args.
+        callback = concurrency;
+        concurrency = null;
+    }
+    callback = (0, _once2.default)(callback || (0, _promiseCallback.promiseCallback)());
+    var numTasks = Object.keys(tasks).length;
+    if (!numTasks) {
+        return callback(null);
+    }
+    if (!concurrency) {
+        concurrency = numTasks;
+    }
+
+    var results = {};
+    var runningTasks = 0;
+    var canceled = false;
+    var hasError = false;
+
+    var listeners = Object.create(null);
+
+    var readyTasks = [];
+
+    // for cycle detection:
+    var readyToCheck = []; // tasks that have been identified as reachable
+    // without the possibility of returning to an ancestor task
+    var uncheckedDependencies = {};
+
+    Object.keys(tasks).forEach(key => {
+        var task = tasks[key];
+        if (!Array.isArray(task)) {
+            // no dependencies
+            enqueueTask(key, [task]);
+            readyToCheck.push(key);
+            return;
+        }
+
+        var dependencies = task.slice(0, task.length - 1);
+        var remainingDependencies = dependencies.length;
+        if (remainingDependencies === 0) {
+            enqueueTask(key, task);
+            readyToCheck.push(key);
+            return;
+        }
+        uncheckedDependencies[key] = remainingDependencies;
+
+        dependencies.forEach(dependencyName => {
+            if (!tasks[dependencyName]) {
+                throw new Error('async.auto task `' + key + '` has a non-existent dependency `' + dependencyName + '` in ' + dependencies.join(', '));
+            }
+            addListener(dependencyName, () => {
+                remainingDependencies--;
+                if (remainingDependencies === 0) {
+                    enqueueTask(key, task);
+                }
+            });
+        });
+    });
+
+    checkForDeadlocks();
+    processQueue();
+
+    function enqueueTask(key, task) {
+        readyTasks.push(() => runTask(key, task));
+    }
+
+    function processQueue() {
+        if (canceled) return;
+        if (readyTasks.length === 0 && runningTasks === 0) {
+            return callback(null, results);
+        }
+        while (readyTasks.length && runningTasks < concurrency) {
+            var run = readyTasks.shift();
+            run();
+        }
+    }
+
+    function addListener(taskName, fn) {
+        var taskListeners = listeners[taskName];
+        if (!taskListeners) {
+            taskListeners = listeners[taskName] = [];
+        }
+
+        taskListeners.push(fn);
+    }
+
+    function taskComplete(taskName) {
+        var taskListeners = listeners[taskName] || [];
+        taskListeners.forEach(fn => fn());
+        processQueue();
+    }
+
+    function runTask(key, task) {
+        if (hasError) return;
+
+        var taskCallback = (0, _onlyOnce2.default)((err, ...result) => {
+            runningTasks--;
+            if (err === false) {
+                canceled = true;
+                return;
+            }
+            if (result.length < 2) {
+                [result] = result;
+            }
+            if (err) {
+                var safeResults = {};
+                Object.keys(results).forEach(rkey => {
+                    safeResults[rkey] = results[rkey];
+                });
+                safeResults[key] = result;
+                hasError = true;
+                listeners = Object.create(null);
+                if (canceled) return;
+                callback(err, safeResults);
+            } else {
+                results[key] = result;
+                taskComplete(key);
+            }
+        });
+
+        runningTasks++;
+        var taskFn = (0, _wrapAsync2.default)(task[task.length - 1]);
+        if (task.length > 1) {
+            taskFn(results, taskCallback);
+        } else {
+            taskFn(taskCallback);
+        }
+    }
+
+    function checkForDeadlocks() {
+        // Kahn's algorithm
+        // https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm
+        // http://connalle.blogspot.com/2013/10/topological-sortingkahn-algorithm.html
+        var currentTask;
+        var counter = 0;
+        while (readyToCheck.length) {
+            currentTask = readyToCheck.pop();
+            counter++;
+            getDependents(currentTask).forEach(dependent => {
+                if (--uncheckedDependencies[dependent] === 0) {
+                    readyToCheck.push(dependent);
+                }
+            });
+        }
+
+        if (counter !== numTasks) {
+            throw new Error('async.auto cannot execute tasks due to a recursive dependency');
+        }
+    }
+
+    function getDependents(taskName) {
+        var result = [];
+        Object.keys(tasks).forEach(key => {
+            const task = tasks[key];
+            if (Array.isArray(task) && task.indexOf(taskName) >= 0) {
+                result.push(key);
+            }
+        });
+        return result;
+    }
+
+    return callback[_promiseCallback.PROMISE_SYMBOL];
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/autoInject.js

@@ -0,0 +1,182 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = autoInject;
+
+var _auto = require('./auto.js');
+
+var _auto2 = _interopRequireDefault(_auto);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var FN_ARGS = /^(?:async\s)?(?:function)?\s*(?:\w+\s*)?\(([^)]+)\)(?:\s*{)/;
+var ARROW_FN_ARGS = /^(?:async\s)?\s*(?:\(\s*)?((?:[^)=\s]\s*)*)(?:\)\s*)?=>/;
+var FN_ARG_SPLIT = /,/;
+var FN_ARG = /(=.+)?(\s*)$/;
+
+function stripComments(string) {
+    let stripped = '';
+    let index = 0;
+    let endBlockComment = string.indexOf('*/');
+    while (index < string.length) {
+        if (string[index] === '/' && string[index + 1] === '/') {
+            // inline comment
+            let endIndex = string.indexOf('\n', index);
+            index = endIndex === -1 ? string.length : endIndex;
+        } else if (endBlockComment !== -1 && string[index] === '/' && string[index + 1] === '*') {
+            // block comment
+            let endIndex = string.indexOf('*/', index);
+            if (endIndex !== -1) {
+                index = endIndex + 2;
+                endBlockComment = string.indexOf('*/', index);
+            } else {
+                stripped += string[index];
+                index++;
+            }
+        } else {
+            stripped += string[index];
+            index++;
+        }
+    }
+    return stripped;
+}
+
+function parseParams(func) {
+    const src = stripComments(func.toString());
+    let match = src.match(FN_ARGS);
+    if (!match) {
+        match = src.match(ARROW_FN_ARGS);
+    }
+    if (!match) throw new Error('could not parse args in autoInject\nSource:\n' + src);
+    let [, args] = match;
+    return args.replace(/\s/g, '').split(FN_ARG_SPLIT).map(arg => arg.replace(FN_ARG, '').trim());
+}
+
+/**
+ * A dependency-injected version of the [async.auto]{@link module:ControlFlow.auto} function. Dependent
+ * tasks are specified as parameters to the function, after the usual callback
+ * parameter, with the parameter names matching the names of the tasks it
+ * depends on. This can provide even more readable task graphs which can be
+ * easier to maintain.
+ *
+ * If a final callback is specified, the task results are similarly injected,
+ * specified as named parameters after the initial error parameter.
+ *
+ * The autoInject function is purely syntactic sugar and its semantics are
+ * otherwise equivalent to [async.auto]{@link module:ControlFlow.auto}.
+ *
+ * @name autoInject
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.auto]{@link module:ControlFlow.auto}
+ * @category Control Flow
+ * @param {Object} tasks - An object, each of whose properties is an {@link AsyncFunction} of
+ * the form 'func([dependencies...], callback). The object's key of a property
+ * serves as the name of the task defined by that property, i.e. can be used
+ * when specifying requirements for other tasks.
+ * * The `callback` parameter is a `callback(err, result)` which must be called
+ *   when finished, passing an `error` (which can be `null`) and the result of
+ *   the function's execution. The remaining parameters name other tasks on
+ *   which the task is dependent, and the results from those tasks are the
+ *   arguments of those parameters.
+ * @param {Function} [callback] - An optional callback which is called when all
+ * the tasks have been completed. It receives the `err` argument if any `tasks`
+ * pass an error to their callback, and a `results` object with any completed
+ * task results, similar to `auto`.
+ * @returns {Promise} a promise, if no callback is passed
+ * @example
+ *
+ * //  The example from `auto` can be rewritten as follows:
+ * async.autoInject({
+ *     get_data: function(callback) {
+ *         // async code to get some data
+ *         callback(null, 'data', 'converted to array');
+ *     },
+ *     make_folder: function(callback) {
+ *         // async code to create a directory to store a file in
+ *         // this is run at the same time as getting the data
+ *         callback(null, 'folder');
+ *     },
+ *     write_file: function(get_data, make_folder, callback) {
+ *         // once there is some data and the directory exists,
+ *         // write the data to a file in the directory
+ *         callback(null, 'filename');
+ *     },
+ *     email_link: function(write_file, callback) {
+ *         // once the file is written let's email a link to it...
+ *         // write_file contains the filename returned by write_file.
+ *         callback(null, {'file':write_file, 'email':'user@example.com'});
+ *     }
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('email_link = ', results.email_link);
+ * });
+ *
+ * // If you are using a JS minifier that mangles parameter names, `autoInject`
+ * // will not work with plain functions, since the parameter names will be
+ * // collapsed to a single letter identifier.  To work around this, you can
+ * // explicitly specify the names of the parameters your task function needs
+ * // in an array, similar to Angular.js dependency injection.
+ *
+ * // This still has an advantage over plain `auto`, since the results a task
+ * // depends on are still spread into arguments.
+ * async.autoInject({
+ *     //...
+ *     write_file: ['get_data', 'make_folder', function(get_data, make_folder, callback) {
+ *         callback(null, 'filename');
+ *     }],
+ *     email_link: ['write_file', function(write_file, callback) {
+ *         callback(null, {'file':write_file, 'email':'user@example.com'});
+ *     }]
+ *     //...
+ * }, function(err, results) {
+ *     console.log('err = ', err);
+ *     console.log('email_link = ', results.email_link);
+ * });
+ */
+function autoInject(tasks, callback) {
+    var newTasks = {};
+
+    Object.keys(tasks).forEach(key => {
+        var taskFn = tasks[key];
+        var params;
+        var fnIsAsync = (0, _wrapAsync.isAsync)(taskFn);
+        var hasNoDeps = !fnIsAsync && taskFn.length === 1 || fnIsAsync && taskFn.length === 0;
+
+        if (Array.isArray(taskFn)) {
+            params = [...taskFn];
+            taskFn = params.pop();
+
+            newTasks[key] = params.concat(params.length > 0 ? newTask : taskFn);
+        } else if (hasNoDeps) {
+            // no dependencies, use the function as-is
+            newTasks[key] = taskFn;
+        } else {
+            params = parseParams(taskFn);
+            if (taskFn.length === 0 && !fnIsAsync && params.length === 0) {
+                throw new Error("autoInject task functions require explicit parameters.");
+            }
+
+            // remove callback param
+            if (!fnIsAsync) params.pop();
+
+            newTasks[key] = params.concat(newTask);
+        }
+
+        function newTask(results, taskCb) {
+            var newArgs = params.map(name => results[name]);
+            newArgs.push(taskCb);
+            (0, _wrapAsync2.default)(taskFn)(...newArgs);
+        }
+    });
+
+    return (0, _auto2.default)(newTasks, callback);
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/bower.json

@@ -0,0 +1,17 @@
+{
+  "name": "async",
+  "main": "dist/async.js",
+  "ignore": [
+    "bower_components",
+    "lib",
+    "test",
+    "node_modules",
+    "perf",
+    "support",
+    "**/.*",
+    "*.config.js",
+    "*.json",
+    "index.js",
+    "Makefile"
+  ]
+}

node_modules/winston/node_modules/async/cargo.js

@@ -0,0 +1,63 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = cargo;
+
+var _queue = require('./internal/queue.js');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Creates a `cargo` object with the specified payload. Tasks added to the
+ * cargo will be processed altogether (up to the `payload` limit). If the
+ * `worker` is in progress, the task is queued until it becomes available. Once
+ * the `worker` has completed some tasks, each callback of those tasks is
+ * called. Check out [these](https://camo.githubusercontent.com/6bbd36f4cf5b35a0f11a96dcd2e97711ffc2fb37/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130382f62626330636662302d356632392d313165322d393734662d3333393763363464633835382e676966) [animations](https://camo.githubusercontent.com/f4810e00e1c5f5f8addbe3e9f49064fd5d102699/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130312f38346339323036362d356632392d313165322d383134662d3964336430323431336266642e676966)
+ * for how `cargo` and `queue` work.
+ *
+ * While [`queue`]{@link module:ControlFlow.queue} passes only one task to one of a group of workers
+ * at a time, cargo passes an array of tasks to a single worker, repeating
+ * when the worker is finished.
+ *
+ * @name cargo
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.queue]{@link module:ControlFlow.queue}
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An asynchronous function for processing an array
+ * of queued tasks. Invoked with `(tasks, callback)`.
+ * @param {number} [payload=Infinity] - An optional `integer` for determining
+ * how many tasks should be processed per round; if omitted, the default is
+ * unlimited.
+ * @returns {module:ControlFlow.QueueObject} A cargo object to manage the tasks. Callbacks can
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the cargo and inner queue.
+ * @example
+ *
+ * // create a cargo object with payload 2
+ * var cargo = async.cargo(function(tasks, callback) {
+ *     for (var i=0; i<tasks.length; i++) {
+ *         console.log('hello ' + tasks[i].name);
+ *     }
+ *     callback();
+ * }, 2);
+ *
+ * // add some items
+ * cargo.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * cargo.push({name: 'bar'}, function(err) {
+ *     console.log('finished processing bar');
+ * });
+ * await cargo.push({name: 'baz'});
+ * console.log('finished processing baz');
+ */
+function cargo(worker, payload) {
+    return (0, _queue2.default)(worker, 1, payload);
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/cargoQueue.js

@@ -0,0 +1,71 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = cargo;
+
+var _queue = require('./internal/queue.js');
+
+var _queue2 = _interopRequireDefault(_queue);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Creates a `cargoQueue` object with the specified payload. Tasks added to the
+ * cargoQueue will be processed together (up to the `payload` limit) in `concurrency` parallel workers.
+ * If the all `workers` are in progress, the task is queued until one becomes available. Once
+ * a `worker` has completed some tasks, each callback of those tasks is
+ * called. Check out [these](https://camo.githubusercontent.com/6bbd36f4cf5b35a0f11a96dcd2e97711ffc2fb37/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130382f62626330636662302d356632392d313165322d393734662d3333393763363464633835382e676966) [animations](https://camo.githubusercontent.com/f4810e00e1c5f5f8addbe3e9f49064fd5d102699/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130312f38346339323036362d356632392d313165322d383134662d3964336430323431336266642e676966)
+ * for how `cargo` and `queue` work.
+ *
+ * While [`queue`]{@link module:ControlFlow.queue} passes only one task to one of a group of workers
+ * at a time, and [`cargo`]{@link module:ControlFlow.cargo} passes an array of tasks to a single worker,
+ * the cargoQueue passes an array of tasks to multiple parallel workers.
+ *
+ * @name cargoQueue
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.queue]{@link module:ControlFlow.queue}
+ * @see [async.cargo]{@link module:ControlFLow.cargo}
+ * @category Control Flow
+ * @param {AsyncFunction} worker - An asynchronous function for processing an array
+ * of queued tasks. Invoked with `(tasks, callback)`.
+ * @param {number} [concurrency=1] - An `integer` for determining how many
+ * `worker` functions should be run in parallel.  If omitted, the concurrency
+ * defaults to `1`.  If the concurrency is `0`, an error is thrown.
+ * @param {number} [payload=Infinity] - An optional `integer` for determining
+ * how many tasks should be processed per round; if omitted, the default is
+ * unlimited.
+ * @returns {module:ControlFlow.QueueObject} A cargoQueue object to manage the tasks. Callbacks can
+ * attached as certain properties to listen for specific events during the
+ * lifecycle of the cargoQueue and inner queue.
+ * @example
+ *
+ * // create a cargoQueue object with payload 2 and concurrency 2
+ * var cargoQueue = async.cargoQueue(function(tasks, callback) {
+ *     for (var i=0; i<tasks.length; i++) {
+ *         console.log('hello ' + tasks[i].name);
+ *     }
+ *     callback();
+ * }, 2, 2);
+ *
+ * // add some items
+ * cargoQueue.push({name: 'foo'}, function(err) {
+ *     console.log('finished processing foo');
+ * });
+ * cargoQueue.push({name: 'bar'}, function(err) {
+ *     console.log('finished processing bar');
+ * });
+ * cargoQueue.push({name: 'baz'}, function(err) {
+ *     console.log('finished processing baz');
+ * });
+ * cargoQueue.push({name: 'boo'}, function(err) {
+ *     console.log('finished processing boo');
+ * });
+ */
+function cargo(worker, concurrency, payload) {
+    return (0, _queue2.default)(worker, concurrency, payload);
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/compose.js

@@ -0,0 +1,55 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = compose;
+
+var _seq = require('./seq.js');
+
+var _seq2 = _interopRequireDefault(_seq);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Creates a function which is a composition of the passed asynchronous
+ * functions. Each function consumes the return value of the function that
+ * follows. Composing functions `f()`, `g()`, and `h()` would produce the result
+ * of `f(g(h()))`, only this version uses callbacks to obtain the return values.
+ *
+ * If the last argument to the composed function is not a function, a promise
+ * is returned when you call it.
+ *
+ * Each function is executed with the `this` binding of the composed function.
+ *
+ * @name compose
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {...AsyncFunction} functions - the asynchronous functions to compose
+ * @returns {Function} an asynchronous function that is the composed
+ * asynchronous `functions`
+ * @example
+ *
+ * function add1(n, callback) {
+ *     setTimeout(function () {
+ *         callback(null, n + 1);
+ *     }, 10);
+ * }
+ *
+ * function mul3(n, callback) {
+ *     setTimeout(function () {
+ *         callback(null, n * 3);
+ *     }, 10);
+ * }
+ *
+ * var add1mul3 = async.compose(mul3, add1);
+ * add1mul3(4, function (err, result) {
+ *     // result now equals 15
+ * });
+ */
+function compose(...args) {
+    return (0, _seq2.default)(...args.reverse());
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/concat.js

@@ -0,0 +1,115 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _concatLimit = require('./concatLimit.js');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies `iteratee` to each item in `coll`, concatenating the results. Returns
+ * the concatenated list. The `iteratee`s are called in parallel, and the
+ * results are concatenated as they return. The results array will be returned in
+ * the original order of `coll` passed to the `iteratee` function.
+ *
+ * @name concat
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @alias flatMap
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @returns A Promise, if no callback is passed
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * let directoryList = ['dir1','dir2','dir3'];
+ * let withMissingDirectoryList = ['dir1','dir2','dir3', 'dir4'];
+ *
+ * // Using callbacks
+ * async.concat(directoryList, fs.readdir, function(err, results) {
+ *    if (err) {
+ *        console.log(err);
+ *    } else {
+ *        console.log(results);
+ *        // [ 'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', file5.txt ]
+ *    }
+ * });
+ *
+ * // Error Handling
+ * async.concat(withMissingDirectoryList, fs.readdir, function(err, results) {
+ *    if (err) {
+ *        console.log(err);
+ *        // [ Error: ENOENT: no such file or directory ]
+ *        // since dir4 does not exist
+ *    } else {
+ *        console.log(results);
+ *    }
+ * });
+ *
+ * // Using Promises
+ * async.concat(directoryList, fs.readdir)
+ * .then(results => {
+ *     console.log(results);
+ *     // [ 'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', file5.txt ]
+ * }).catch(err => {
+ *      console.log(err);
+ * });
+ *
+ * // Error Handling
+ * async.concat(withMissingDirectoryList, fs.readdir)
+ * .then(results => {
+ *     console.log(results);
+ * }).catch(err => {
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ *     // since dir4 does not exist
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let results = await async.concat(directoryList, fs.readdir);
+ *         console.log(results);
+ *         // [ 'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', file5.txt ]
+ *     } catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * // Error Handling
+ * async () => {
+ *     try {
+ *         let results = await async.concat(withMissingDirectoryList, fs.readdir);
+ *         console.log(results);
+ *     } catch (err) {
+ *         console.log(err);
+ *         // [ Error: ENOENT: no such file or directory ]
+ *         // since dir4 does not exist
+ *     }
+ * }
+ *
+ */
+function concat(coll, iteratee, callback) {
+    return (0, _concatLimit2.default)(coll, Infinity, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(concat, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/concatLimit.js

@@ -0,0 +1,60 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _mapLimit = require('./mapLimit.js');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name concatLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @alias flatMapLimit
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @returns A Promise, if no callback is passed
+ */
+function concatLimit(coll, limit, iteratee, callback) {
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    return (0, _mapLimit2.default)(coll, limit, (val, iterCb) => {
+        _iteratee(val, (err, ...args) => {
+            if (err) return iterCb(err);
+            return iterCb(err, args);
+        });
+    }, (err, mapResults) => {
+        var result = [];
+        for (var i = 0; i < mapResults.length; i++) {
+            if (mapResults[i]) {
+                result = result.concat(...mapResults[i]);
+            }
+        }
+
+        return callback(err, result);
+    });
+}
+exports.default = (0, _awaitify2.default)(concatLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/concatSeries.js

@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _concatLimit = require('./concatLimit.js');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
+ *
+ * @name concatSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @alias flatMapSeries
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
+ * The iteratee should complete with an array an array of results.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @returns A Promise, if no callback is passed
+ */
+function concatSeries(coll, iteratee, callback) {
+    return (0, _concatLimit2.default)(coll, 1, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(concatSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/constant.js

@@ -0,0 +1,14 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+exports.default = function (...args) {
+    return function (...ignoredArgs /*, callback*/) {
+        var callback = ignoredArgs.pop();
+        return callback(null, ...args);
+    };
+};
+
+module.exports = exports.default;

node_modules/winston/node_modules/async/detect.js

@@ -0,0 +1,96 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns the first value in `coll` that passes an async truth test. The
+ * `iteratee` is applied in parallel, meaning the first iteratee to return
+ * `true` will fire the detect `callback` with that result. That means the
+ * result might not be the first item in the original `coll` (in terms of order)
+ * that passes the test.
+
+ * If order within the original `coll` is important, then look at
+ * [`detectSeries`]{@link module:Collections.detectSeries}.
+ *
+ * @name detect
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias find
+ * @category Collections
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if a callback is omitted
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ *
+ * // asynchronous function that checks if a file exists
+ * function fileExists(file, callback) {
+ *    fs.access(file, fs.constants.F_OK, (err) => {
+ *        callback(null, !err);
+ *    });
+ * }
+ *
+ * async.detect(['file3.txt','file2.txt','dir1/file1.txt'], fileExists,
+ *    function(err, result) {
+ *        console.log(result);
+ *        // dir1/file1.txt
+ *        // result now equals the first file in the list that exists
+ *    }
+ *);
+ *
+ * // Using Promises
+ * async.detect(['file3.txt','file2.txt','dir1/file1.txt'], fileExists)
+ * .then(result => {
+ *     console.log(result);
+ *     // dir1/file1.txt
+ *     // result now equals the first file in the list that exists
+ * }).catch(err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.detect(['file3.txt','file2.txt','dir1/file1.txt'], fileExists);
+ *         console.log(result);
+ *         // dir1/file1.txt
+ *         // result now equals the file in the list that exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function detect(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => bool, (res, item) => item)(_eachOf2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(detect, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/detectLimit.js

@@ -0,0 +1,48 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name detectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findLimit
+ * @category Collections
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function detectLimit(coll, limit, iteratee, callback) {
+    return (0, _createTester2.default)(bool => bool, (res, item) => item)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(detectLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/detectSeries.js

@@ -0,0 +1,47 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
+ *
+ * @name detectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findSeries
+ * @category Collections
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function detectSeries(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => bool, (res, item) => item)((0, _eachOfLimit2.default)(1), coll, iteratee, callback);
+}
+
+exports.default = (0, _awaitify2.default)(detectSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/dir.js

@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _consoleFunc = require('./internal/consoleFunc.js');
+
+var _consoleFunc2 = _interopRequireDefault(_consoleFunc);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Logs the result of an [`async` function]{@link AsyncFunction} to the
+ * `console` using `console.dir` to display the properties of the resulting object.
+ * Only works in Node.js or in browsers that support `console.dir` and
+ * `console.error` (such as FF and Chrome).
+ * If multiple arguments are returned from the async function,
+ * `console.dir` is called on each argument in order.
+ *
+ * @name dir
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} function - The function you want to eventually apply
+ * all arguments to.
+ * @param {...*} arguments... - Any number of arguments to apply to the function.
+ * @example
+ *
+ * // in a module
+ * var hello = function(name, callback) {
+ *     setTimeout(function() {
+ *         callback(null, {hello: name});
+ *     }, 1000);
+ * };
+ *
+ * // in the node repl
+ * node> async.dir(hello, 'world');
+ * {hello: 'world'}
+ */
+exports.default = (0, _consoleFunc2.default)('dir');
+module.exports = exports.default;

node_modules/winston/node_modules/async/doDuring.js

@@ -0,0 +1,68 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _onlyOnce = require('./internal/onlyOnce.js');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The post-check version of [`whilst`]{@link module:ControlFlow.whilst}. To reflect the difference in
+ * the order of operations, the arguments `test` and `iteratee` are switched.
+ *
+ * `doWhilst` is to `whilst` as `do while` is to `while` in plain JavaScript.
+ *
+ * @name doWhilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - A function which is called each time `test`
+ * passes. Invoked with (callback).
+ * @param {AsyncFunction} test - asynchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with (...args, callback), where `...args` are the
+ * non-error args from the previous callback of `iteratee`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped.
+ * `callback` will be passed an error and any arguments passed to the final
+ * `iteratee`'s callback. Invoked with (err, [results]);
+ * @returns {Promise} a promise, if no callback is passed
+ */
+function doWhilst(iteratee, test, callback) {
+    callback = (0, _onlyOnce2.default)(callback);
+    var _fn = (0, _wrapAsync2.default)(iteratee);
+    var _test = (0, _wrapAsync2.default)(test);
+    var results;
+
+    function next(err, ...args) {
+        if (err) return callback(err);
+        if (err === false) return;
+        results = args;
+        _test(...args, check);
+    }
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (err === false) return;
+        if (!truth) return callback(null, ...results);
+        _fn(next);
+    }
+
+    return check(null, true);
+}
+
+exports.default = (0, _awaitify2.default)(doWhilst, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/doUntil.js

@@ -0,0 +1,46 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = doUntil;
+
+var _doWhilst = require('./doWhilst.js');
+
+var _doWhilst2 = _interopRequireDefault(_doWhilst);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Like ['doWhilst']{@link module:ControlFlow.doWhilst}, except the `test` is inverted. Note the
+ * argument ordering differs from `until`.
+ *
+ * @name doUntil
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.doWhilst]{@link module:ControlFlow.doWhilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` fails. Invoked with (callback).
+ * @param {AsyncFunction} test - asynchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with (...args, callback), where `...args` are the
+ * non-error args from the previous callback of `iteratee`
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has passed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ * @returns {Promise} a promise, if no callback is passed
+ */
+function doUntil(iteratee, test, callback) {
+    const _test = (0, _wrapAsync2.default)(test);
+    return (0, _doWhilst2.default)(iteratee, (...args) => {
+        const cb = args.pop();
+        _test(...args, (err, truth) => cb(err, !truth));
+    }, callback);
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/doWhilst.js

@@ -0,0 +1,68 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _onlyOnce = require('./internal/onlyOnce.js');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The post-check version of [`whilst`]{@link module:ControlFlow.whilst}. To reflect the difference in
+ * the order of operations, the arguments `test` and `iteratee` are switched.
+ *
+ * `doWhilst` is to `whilst` as `do while` is to `while` in plain JavaScript.
+ *
+ * @name doWhilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @see [async.whilst]{@link module:ControlFlow.whilst}
+ * @category Control Flow
+ * @param {AsyncFunction} iteratee - A function which is called each time `test`
+ * passes. Invoked with (callback).
+ * @param {AsyncFunction} test - asynchronous truth test to perform after each
+ * execution of `iteratee`. Invoked with (...args, callback), where `...args` are the
+ * non-error args from the previous callback of `iteratee`.
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped.
+ * `callback` will be passed an error and any arguments passed to the final
+ * `iteratee`'s callback. Invoked with (err, [results]);
+ * @returns {Promise} a promise, if no callback is passed
+ */
+function doWhilst(iteratee, test, callback) {
+    callback = (0, _onlyOnce2.default)(callback);
+    var _fn = (0, _wrapAsync2.default)(iteratee);
+    var _test = (0, _wrapAsync2.default)(test);
+    var results;
+
+    function next(err, ...args) {
+        if (err) return callback(err);
+        if (err === false) return;
+        results = args;
+        _test(...args, check);
+    }
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (err === false) return;
+        if (!truth) return callback(null, ...results);
+        _fn(next);
+    }
+
+    return check(null, true);
+}
+
+exports.default = (0, _awaitify2.default)(doWhilst, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/during.js

@@ -0,0 +1,78 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _onlyOnce = require('./internal/onlyOnce.js');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Repeatedly call `iteratee`, while `test` returns `true`. Calls `callback` when
+ * stopped, or an error occurs.
+ *
+ * @name whilst
+ * @static
+ * @memberOf module:ControlFlow
+ * @method
+ * @category Control Flow
+ * @param {AsyncFunction} test - asynchronous truth test to perform before each
+ * execution of `iteratee`. Invoked with (callback).
+ * @param {AsyncFunction} iteratee - An async function which is called each time
+ * `test` passes. Invoked with (callback).
+ * @param {Function} [callback] - A callback which is called after the test
+ * function has failed and repeated execution of `iteratee` has stopped. `callback`
+ * will be passed an error and any arguments passed to the final `iteratee`'s
+ * callback. Invoked with (err, [results]);
+ * @returns {Promise} a promise, if no callback is passed
+ * @example
+ *
+ * var count = 0;
+ * async.whilst(
+ *     function test(cb) { cb(null, count < 5); },
+ *     function iter(callback) {
+ *         count++;
+ *         setTimeout(function() {
+ *             callback(null, count);
+ *         }, 1000);
+ *     },
+ *     function (err, n) {
+ *         // 5 seconds have passed, n = 5
+ *     }
+ * );
+ */
+function whilst(test, iteratee, callback) {
+    callback = (0, _onlyOnce2.default)(callback);
+    var _fn = (0, _wrapAsync2.default)(iteratee);
+    var _test = (0, _wrapAsync2.default)(test);
+    var results = [];
+
+    function next(err, ...rest) {
+        if (err) return callback(err);
+        results = rest;
+        if (err === false) return;
+        _test(check);
+    }
+
+    function check(err, truth) {
+        if (err) return callback(err);
+        if (err === false) return;
+        if (!truth) return callback(null, ...results);
+        _fn(next);
+    }
+
+    return _test(check);
+}
+exports.default = (0, _awaitify2.default)(whilst, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/each.js

@@ -0,0 +1,129 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _withoutIndex = require('./internal/withoutIndex.js');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies the function `iteratee` to each item in `coll`, in parallel.
+ * The `iteratee` is called with an item from the list, and a callback for when
+ * it has finished. If the `iteratee` passes an error to its `callback`, the
+ * main `callback` (for the `each` function) is immediately called with the
+ * error.
+ *
+ * Note, that since this function applies `iteratee` to each item in parallel,
+ * there is no guarantee that the iteratee functions will complete in order.
+ *
+ * @name each
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEach
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to
+ * each item in `coll`. Invoked with (item, callback).
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOf`.
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * const fileList = [ 'dir1/file2.txt', 'dir2/file3.txt', 'dir/file5.txt'];
+ * const withMissingFileList = ['dir1/file1.txt', 'dir4/file2.txt'];
+ *
+ * // asynchronous function that deletes a file
+ * const deleteFile = function(file, callback) {
+ *     fs.unlink(file, callback);
+ * };
+ *
+ * // Using callbacks
+ * async.each(fileList, deleteFile, function(err) {
+ *     if( err ) {
+ *         console.log(err);
+ *     } else {
+ *         console.log('All files have been deleted successfully');
+ *     }
+ * });
+ *
+ * // Error Handling
+ * async.each(withMissingFileList, deleteFile, function(err){
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ *     // since dir4/file2.txt does not exist
+ *     // dir1/file1.txt could have been deleted
+ * });
+ *
+ * // Using Promises
+ * async.each(fileList, deleteFile)
+ * .then( () => {
+ *     console.log('All files have been deleted successfully');
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Error Handling
+ * async.each(fileList, deleteFile)
+ * .then( () => {
+ *     console.log('All files have been deleted successfully');
+ * }).catch( err => {
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ *     // since dir4/file2.txt does not exist
+ *     // dir1/file1.txt could have been deleted
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         await async.each(files, deleteFile);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * // Error Handling
+ * async () => {
+ *     try {
+ *         await async.each(withMissingFileList, deleteFile);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *         // [ Error: ENOENT: no such file or directory ]
+ *         // since dir4/file2.txt does not exist
+ *         // dir1/file1.txt could have been deleted
+ *     }
+ * }
+ *
+ */
+function eachLimit(coll, iteratee, callback) {
+    return (0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+
+exports.default = (0, _awaitify2.default)(eachLimit, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/eachLimit.js

@@ -0,0 +1,50 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _withoutIndex = require('./internal/withoutIndex.js');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name eachLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfLimit`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachLimit(coll, limit, iteratee, callback) {
+    return (0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+exports.default = (0, _awaitify2.default)(eachLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/eachOf.js

@@ -0,0 +1,185 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _isArrayLike = require('./internal/isArrayLike.js');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _breakLoop = require('./internal/breakLoop.js');
+
+var _breakLoop2 = _interopRequireDefault(_breakLoop);
+
+var _eachOfLimit = require('./eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _once = require('./internal/once.js');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _onlyOnce = require('./internal/onlyOnce.js');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// eachOf implementation optimized for array-likes
+function eachOfArrayLike(coll, iteratee, callback) {
+    callback = (0, _once2.default)(callback);
+    var index = 0,
+        completed = 0,
+        { length } = coll,
+        canceled = false;
+    if (length === 0) {
+        callback(null);
+    }
+
+    function iteratorCallback(err, value) {
+        if (err === false) {
+            canceled = true;
+        }
+        if (canceled === true) return;
+        if (err) {
+            callback(err);
+        } else if (++completed === length || value === _breakLoop2.default) {
+            callback(null);
+        }
+    }
+
+    for (; index < length; index++) {
+        iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
+    }
+}
+
+// a generic version of eachOf which can handle array, object, and iterator cases.
+function eachOfGeneric(coll, iteratee, callback) {
+    return (0, _eachOfLimit2.default)(coll, Infinity, iteratee, callback);
+}
+
+/**
+ * Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
+ * to the iteratee.
+ *
+ * @name eachOf
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEachOf
+ * @category Collection
+ * @see [async.each]{@link module:Collections.each}
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each
+ * item in `coll`.
+ * The `key` is the item's key, or index in the case of an array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ * @example
+ *
+ * // dev.json is a file containing a valid json object config for dev environment
+ * // dev.json is a file containing a valid json object config for test environment
+ * // prod.json is a file containing a valid json object config for prod environment
+ * // invalid.json is a file with a malformed json object
+ *
+ * let configs = {}; //global variable
+ * let validConfigFileMap = {dev: 'dev.json', test: 'test.json', prod: 'prod.json'};
+ * let invalidConfigFileMap = {dev: 'dev.json', test: 'test.json', invalid: 'invalid.json'};
+ *
+ * // asynchronous function that reads a json file and parses the contents as json object
+ * function parseFile(file, key, callback) {
+ *     fs.readFile(file, "utf8", function(err, data) {
+ *         if (err) return calback(err);
+ *         try {
+ *             configs[key] = JSON.parse(data);
+ *         } catch (e) {
+ *             return callback(e);
+ *         }
+ *         callback();
+ *     });
+ * }
+ *
+ * // Using callbacks
+ * async.forEachOf(validConfigFileMap, parseFile, function (err) {
+ *     if (err) {
+ *         console.error(err);
+ *     } else {
+ *         console.log(configs);
+ *         // configs is now a map of JSON data, e.g.
+ *         // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}
+ *     }
+ * });
+ *
+ * //Error handing
+ * async.forEachOf(invalidConfigFileMap, parseFile, function (err) {
+ *     if (err) {
+ *         console.error(err);
+ *         // JSON parse error exception
+ *     } else {
+ *         console.log(configs);
+ *     }
+ * });
+ *
+ * // Using Promises
+ * async.forEachOf(validConfigFileMap, parseFile)
+ * .then( () => {
+ *     console.log(configs);
+ *     // configs is now a map of JSON data, e.g.
+ *     // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}
+ * }).catch( err => {
+ *     console.error(err);
+ * });
+ *
+ * //Error handing
+ * async.forEachOf(invalidConfigFileMap, parseFile)
+ * .then( () => {
+ *     console.log(configs);
+ * }).catch( err => {
+ *     console.error(err);
+ *     // JSON parse error exception
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.forEachOf(validConfigFileMap, parseFile);
+ *         console.log(configs);
+ *         // configs is now a map of JSON data, e.g.
+ *         // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * //Error handing
+ * async () => {
+ *     try {
+ *         let result = await async.forEachOf(invalidConfigFileMap, parseFile);
+ *         console.log(configs);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *         // JSON parse error exception
+ *     }
+ * }
+ *
+ */
+function eachOf(coll, iteratee, callback) {
+    var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
+    return eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
+}
+
+exports.default = (0, _awaitify2.default)(eachOf, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/eachOfLimit.js

@@ -0,0 +1,47 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfLimit2 = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name eachOfLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`. The `key` is the item's key, or index in the case of an
+ * array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachOfLimit(coll, limit, iteratee, callback) {
+    return (0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
+}
+
+exports.default = (0, _awaitify2.default)(eachOfLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/eachOfSeries.js

@@ -0,0 +1,39 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfLimit = require('./eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
+ *
+ * @name eachOfSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachOfSeries(coll, iteratee, callback) {
+    return (0, _eachOfLimit2.default)(coll, 1, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(eachOfSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/eachSeries.js

@@ -0,0 +1,44 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachLimit = require('./eachLimit.js');
+
+var _eachLimit2 = _interopRequireDefault(_eachLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
+ *
+ * Note, that unlike [`each`]{@link module:Collections.each}, this function applies iteratee to each item
+ * in series and therefore the iteratee functions will complete in order.
+
+ * @name eachSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfSeries`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachSeries(coll, iteratee, callback) {
+    return (0, _eachLimit2.default)(coll, 1, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(eachSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/ensureAsync.js

@@ -0,0 +1,67 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = ensureAsync;
+
+var _setImmediate = require('./internal/setImmediate.js');
+
+var _setImmediate2 = _interopRequireDefault(_setImmediate);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Wrap an async function and ensure it calls its callback on a later tick of
+ * the event loop.  If the function already calls its callback on a next tick,
+ * no extra deferral is added. This is useful for preventing stack overflows
+ * (`RangeError: Maximum call stack size exceeded`) and generally keeping
+ * [Zalgo](http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony)
+ * contained. ES2017 `async` functions are returned as-is -- they are immune
+ * to Zalgo's corrupting influences, as they always resolve on a later tick.
+ *
+ * @name ensureAsync
+ * @static
+ * @memberOf module:Utils
+ * @method
+ * @category Util
+ * @param {AsyncFunction} fn - an async function, one that expects a node-style
+ * callback as its last argument.
+ * @returns {AsyncFunction} Returns a wrapped function with the exact same call
+ * signature as the function passed in.
+ * @example
+ *
+ * function sometimesAsync(arg, callback) {
+ *     if (cache[arg]) {
+ *         return callback(null, cache[arg]); // this would be synchronous!!
+ *     } else {
+ *         doSomeIO(arg, callback); // this IO would be asynchronous
+ *     }
+ * }
+ *
+ * // this has a risk of stack overflows if many results are cached in a row
+ * async.mapSeries(args, sometimesAsync, done);
+ *
+ * // this will defer sometimesAsync's callback if necessary,
+ * // preventing stack overflows
+ * async.mapSeries(args, async.ensureAsync(sometimesAsync), done);
+ */
+function ensureAsync(fn) {
+    if ((0, _wrapAsync.isAsync)(fn)) return fn;
+    return function (...args /*, callback*/) {
+        var callback = args.pop();
+        var sync = true;
+        args.push((...innerArgs) => {
+            if (sync) {
+                (0, _setImmediate2.default)(() => callback(...innerArgs));
+            } else {
+                callback(...innerArgs);
+            }
+        });
+        fn.apply(this, args);
+        sync = false;
+    };
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/every.js

@@ -0,0 +1,119 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns `true` if every element in `coll` satisfies an async test. If any
+ * iteratee call returns `false`, the main `callback` is immediately called.
+ *
+ * @name every
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias all
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * const fileList = ['dir1/file1.txt','dir2/file3.txt','dir3/file5.txt'];
+ * const withMissingFileList = ['file1.txt','file2.txt','file4.txt'];
+ *
+ * // asynchronous function that checks if a file exists
+ * function fileExists(file, callback) {
+ *    fs.access(file, fs.constants.F_OK, (err) => {
+ *        callback(null, !err);
+ *    });
+ * }
+ *
+ * // Using callbacks
+ * async.every(fileList, fileExists, function(err, result) {
+ *     console.log(result);
+ *     // true
+ *     // result is true since every file exists
+ * });
+ *
+ * async.every(withMissingFileList, fileExists, function(err, result) {
+ *     console.log(result);
+ *     // false
+ *     // result is false since NOT every file exists
+ * });
+ *
+ * // Using Promises
+ * async.every(fileList, fileExists)
+ * .then( result => {
+ *     console.log(result);
+ *     // true
+ *     // result is true since every file exists
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * async.every(withMissingFileList, fileExists)
+ * .then( result => {
+ *     console.log(result);
+ *     // false
+ *     // result is false since NOT every file exists
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.every(fileList, fileExists);
+ *         console.log(result);
+ *         // true
+ *         // result is true since every file exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * async () => {
+ *     try {
+ *         let result = await async.every(withMissingFileList, fileExists);
+ *         console.log(result);
+ *         // false
+ *         // result is false since NOT every file exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function every(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => !bool, res => !res)(_eachOf2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(every, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/everyLimit.js

@@ -0,0 +1,46 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name everyLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in parallel.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function everyLimit(coll, limit, iteratee, callback) {
+    return (0, _createTester2.default)(bool => !bool, res => !res)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(everyLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/everySeries.js

@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfSeries = require('./eachOfSeries.js');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
+ *
+ * @name everySeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.every]{@link module:Collections.every}
+ * @alias allSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async truth test to apply to each item
+ * in the collection in series.
+ * The iteratee must complete with a boolean result value.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result will be either `true` or `false`
+ * depending on the values of the async tests. Invoked with (err, result).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function everySeries(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => !bool, res => !res)(_eachOfSeries2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(everySeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/filter.js

@@ -0,0 +1,93 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _filter2 = require('./internal/filter.js');
+
+var _filter3 = _interopRequireDefault(_filter2);
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns a new array of all the values in `coll` which pass an async truth
+ * test. This operation is performed in parallel, but the results array will be
+ * in the same order as the original.
+ *
+ * @name filter
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias select
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @returns {Promise} a promise, if no callback provided
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ *
+ * const files = ['dir1/file1.txt','dir2/file3.txt','dir3/file6.txt'];
+ *
+ * // asynchronous function that checks if a file exists
+ * function fileExists(file, callback) {
+ *    fs.access(file, fs.constants.F_OK, (err) => {
+ *        callback(null, !err);
+ *    });
+ * }
+ *
+ * // Using callbacks
+ * async.filter(files, fileExists, function(err, results) {
+ *    if(err) {
+ *        console.log(err);
+ *    } else {
+ *        console.log(results);
+ *        // [ 'dir1/file1.txt', 'dir2/file3.txt' ]
+ *        // results is now an array of the existing files
+ *    }
+ * });
+ *
+ * // Using Promises
+ * async.filter(files, fileExists)
+ * .then(results => {
+ *     console.log(results);
+ *     // [ 'dir1/file1.txt', 'dir2/file3.txt' ]
+ *     // results is now an array of the existing files
+ * }).catch(err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let results = await async.filter(files, fileExists);
+ *         console.log(results);
+ *         // [ 'dir1/file1.txt', 'dir2/file3.txt' ]
+ *         // results is now an array of the existing files
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function filter(coll, iteratee, callback) {
+    return (0, _filter3.default)(_eachOf2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(filter, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/filterLimit.js

@@ -0,0 +1,45 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _filter2 = require('./internal/filter.js');
+
+var _filter3 = _interopRequireDefault(_filter2);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name filterLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results).
+ * @returns {Promise} a promise, if no callback provided
+ */
+function filterLimit(coll, limit, iteratee, callback) {
+    return (0, _filter3.default)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(filterLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/filterSeries.js

@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _filter2 = require('./internal/filter.js');
+
+var _filter3 = _interopRequireDefault(_filter2);
+
+var _eachOfSeries = require('./eachOfSeries.js');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`filter`]{@link module:Collections.filter} but runs only a single async operation at a time.
+ *
+ * @name filterSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.filter]{@link module:Collections.filter}
+ * @alias selectSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {Function} iteratee - A truth test to apply to each item in `coll`.
+ * The `iteratee` is passed a `callback(err, truthValue)`, which must be called
+ * with a boolean argument once it has completed. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Invoked with (err, results)
+ * @returns {Promise} a promise, if no callback provided
+ */
+function filterSeries(coll, iteratee, callback) {
+    return (0, _filter3.default)(_eachOfSeries2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(filterSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/find.js

@@ -0,0 +1,96 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns the first value in `coll` that passes an async truth test. The
+ * `iteratee` is applied in parallel, meaning the first iteratee to return
+ * `true` will fire the detect `callback` with that result. That means the
+ * result might not be the first item in the original `coll` (in terms of order)
+ * that passes the test.
+
+ * If order within the original `coll` is important, then look at
+ * [`detectSeries`]{@link module:Collections.detectSeries}.
+ *
+ * @name detect
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias find
+ * @category Collections
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if a callback is omitted
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ *
+ * // asynchronous function that checks if a file exists
+ * function fileExists(file, callback) {
+ *    fs.access(file, fs.constants.F_OK, (err) => {
+ *        callback(null, !err);
+ *    });
+ * }
+ *
+ * async.detect(['file3.txt','file2.txt','dir1/file1.txt'], fileExists,
+ *    function(err, result) {
+ *        console.log(result);
+ *        // dir1/file1.txt
+ *        // result now equals the first file in the list that exists
+ *    }
+ *);
+ *
+ * // Using Promises
+ * async.detect(['file3.txt','file2.txt','dir1/file1.txt'], fileExists)
+ * .then(result => {
+ *     console.log(result);
+ *     // dir1/file1.txt
+ *     // result now equals the first file in the list that exists
+ * }).catch(err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.detect(['file3.txt','file2.txt','dir1/file1.txt'], fileExists);
+ *         console.log(result);
+ *         // dir1/file1.txt
+ *         // result now equals the file in the list that exists
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function detect(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => bool, (res, item) => item)(_eachOf2.default, coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(detect, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/findLimit.js

@@ -0,0 +1,48 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name detectLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findLimit
+ * @category Collections
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function detectLimit(coll, limit, iteratee, callback) {
+    return (0, _createTester2.default)(bool => bool, (res, item) => item)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(detectLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/findSeries.js

@@ -0,0 +1,47 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _createTester = require('./internal/createTester.js');
+
+var _createTester2 = _interopRequireDefault(_createTester);
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
+ *
+ * @name detectSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.detect]{@link module:Collections.detect}
+ * @alias findSeries
+ * @category Collections
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
+ * The iteratee must complete with a boolean value as its result.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called as soon as any
+ * iteratee returns `true`, or after all the `iteratee` functions have finished.
+ * Result will be the first item in the array that passes the truth test
+ * (iteratee) or the value `undefined` if none passed. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function detectSeries(coll, iteratee, callback) {
+    return (0, _createTester2.default)(bool => bool, (res, item) => item)((0, _eachOfLimit2.default)(1), coll, iteratee, callback);
+}
+
+exports.default = (0, _awaitify2.default)(detectSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/flatMap.js

@@ -0,0 +1,115 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _concatLimit = require('./concatLimit.js');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies `iteratee` to each item in `coll`, concatenating the results. Returns
+ * the concatenated list. The `iteratee`s are called in parallel, and the
+ * results are concatenated as they return. The results array will be returned in
+ * the original order of `coll` passed to the `iteratee` function.
+ *
+ * @name concat
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @alias flatMap
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @returns A Promise, if no callback is passed
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * let directoryList = ['dir1','dir2','dir3'];
+ * let withMissingDirectoryList = ['dir1','dir2','dir3', 'dir4'];
+ *
+ * // Using callbacks
+ * async.concat(directoryList, fs.readdir, function(err, results) {
+ *    if (err) {
+ *        console.log(err);
+ *    } else {
+ *        console.log(results);
+ *        // [ 'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', file5.txt ]
+ *    }
+ * });
+ *
+ * // Error Handling
+ * async.concat(withMissingDirectoryList, fs.readdir, function(err, results) {
+ *    if (err) {
+ *        console.log(err);
+ *        // [ Error: ENOENT: no such file or directory ]
+ *        // since dir4 does not exist
+ *    } else {
+ *        console.log(results);
+ *    }
+ * });
+ *
+ * // Using Promises
+ * async.concat(directoryList, fs.readdir)
+ * .then(results => {
+ *     console.log(results);
+ *     // [ 'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', file5.txt ]
+ * }).catch(err => {
+ *      console.log(err);
+ * });
+ *
+ * // Error Handling
+ * async.concat(withMissingDirectoryList, fs.readdir)
+ * .then(results => {
+ *     console.log(results);
+ * }).catch(err => {
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ *     // since dir4 does not exist
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let results = await async.concat(directoryList, fs.readdir);
+ *         console.log(results);
+ *         // [ 'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', file5.txt ]
+ *     } catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * // Error Handling
+ * async () => {
+ *     try {
+ *         let results = await async.concat(withMissingDirectoryList, fs.readdir);
+ *         console.log(results);
+ *     } catch (err) {
+ *         console.log(err);
+ *         // [ Error: ENOENT: no such file or directory ]
+ *         // since dir4 does not exist
+ *     }
+ * }
+ *
+ */
+function concat(coll, iteratee, callback) {
+    return (0, _concatLimit2.default)(coll, Infinity, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(concat, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/flatMapLimit.js

@@ -0,0 +1,60 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _mapLimit = require('./mapLimit.js');
+
+var _mapLimit2 = _interopRequireDefault(_mapLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name concatLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @alias flatMapLimit
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
+ * which should use an array as its result. Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @returns A Promise, if no callback is passed
+ */
+function concatLimit(coll, limit, iteratee, callback) {
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    return (0, _mapLimit2.default)(coll, limit, (val, iterCb) => {
+        _iteratee(val, (err, ...args) => {
+            if (err) return iterCb(err);
+            return iterCb(err, args);
+        });
+    }, (err, mapResults) => {
+        var result = [];
+        for (var i = 0; i < mapResults.length; i++) {
+            if (mapResults[i]) {
+                result = result.concat(...mapResults[i]);
+            }
+        }
+
+        return callback(err, result);
+    });
+}
+exports.default = (0, _awaitify2.default)(concatLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/flatMapSeries.js

@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _concatLimit = require('./concatLimit.js');
+
+var _concatLimit2 = _interopRequireDefault(_concatLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
+ *
+ * @name concatSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.concat]{@link module:Collections.concat}
+ * @category Collection
+ * @alias flatMapSeries
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
+ * The iteratee should complete with an array an array of results.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished, or an error occurs. Results is an array
+ * containing the concatenated results of the `iteratee` function. Invoked with
+ * (err, results).
+ * @returns A Promise, if no callback is passed
+ */
+function concatSeries(coll, iteratee, callback) {
+    return (0, _concatLimit2.default)(coll, 1, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(concatSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/foldl.js

@@ -0,0 +1,153 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfSeries = require('./eachOfSeries.js');
+
+var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
+
+var _once = require('./internal/once.js');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Reduces `coll` into a single value using an async `iteratee` to return each
+ * successive step. `memo` is the initial state of the reduction. This function
+ * only operates in series.
+ *
+ * For performance reasons, it may make sense to split a call to this function
+ * into a parallel map, and then use the normal `Array.prototype.reduce` on the
+ * results. This function is for situations where each step in the reduction
+ * needs to be async; if you can get the data before reducing it, then it's
+ * probably a good idea to do so.
+ *
+ * @name reduce
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias inject
+ * @alias foldl
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee completes with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if no callback is passed
+ * @example
+ *
+ * // file1.txt is a file that is 1000 bytes in size
+ * // file2.txt is a file that is 2000 bytes in size
+ * // file3.txt is a file that is 3000 bytes in size
+ * // file4.txt does not exist
+ *
+ * const fileList = ['file1.txt','file2.txt','file3.txt'];
+ * const withMissingFileList = ['file1.txt','file2.txt','file3.txt', 'file4.txt'];
+ *
+ * // asynchronous function that computes the file size in bytes
+ * // file size is added to the memoized value, then returned
+ * function getFileSizeInBytes(memo, file, callback) {
+ *     fs.stat(file, function(err, stat) {
+ *         if (err) {
+ *             return callback(err);
+ *         }
+ *         callback(null, memo + stat.size);
+ *     });
+ * }
+ *
+ * // Using callbacks
+ * async.reduce(fileList, 0, getFileSizeInBytes, function(err, result) {
+ *     if (err) {
+ *         console.log(err);
+ *     } else {
+ *         console.log(result);
+ *         // 6000
+ *         // which is the sum of the file sizes of the three files
+ *     }
+ * });
+ *
+ * // Error Handling
+ * async.reduce(withMissingFileList, 0, getFileSizeInBytes, function(err, result) {
+ *     if (err) {
+ *         console.log(err);
+ *         // [ Error: ENOENT: no such file or directory ]
+ *     } else {
+ *         console.log(result);
+ *     }
+ * });
+ *
+ * // Using Promises
+ * async.reduce(fileList, 0, getFileSizeInBytes)
+ * .then( result => {
+ *     console.log(result);
+ *     // 6000
+ *     // which is the sum of the file sizes of the three files
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Error Handling
+ * async.reduce(withMissingFileList, 0, getFileSizeInBytes)
+ * .then( result => {
+ *     console.log(result);
+ * }).catch( err => {
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.reduce(fileList, 0, getFileSizeInBytes);
+ *         console.log(result);
+ *         // 6000
+ *         // which is the sum of the file sizes of the three files
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * // Error Handling
+ * async () => {
+ *     try {
+ *         let result = await async.reduce(withMissingFileList, 0, getFileSizeInBytes);
+ *         console.log(result);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *         // [ Error: ENOENT: no such file or directory ]
+ *     }
+ * }
+ *
+ */
+function reduce(coll, memo, iteratee, callback) {
+    callback = (0, _once2.default)(callback);
+    var _iteratee = (0, _wrapAsync2.default)(iteratee);
+    return (0, _eachOfSeries2.default)(coll, (x, i, iterCb) => {
+        _iteratee(memo, x, (err, v) => {
+            memo = v;
+            iterCb(err);
+        });
+    }, err => callback(err, memo));
+}
+exports.default = (0, _awaitify2.default)(reduce, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/foldr.js

@@ -0,0 +1,41 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = reduceRight;
+
+var _reduce = require('./reduce.js');
+
+var _reduce2 = _interopRequireDefault(_reduce);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order.
+ *
+ * @name reduceRight
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.reduce]{@link module:Collections.reduce}
+ * @alias foldr
+ * @category Collection
+ * @param {Array} array - A collection to iterate over.
+ * @param {*} memo - The initial state of the reduction.
+ * @param {AsyncFunction} iteratee - A function applied to each item in the
+ * array to produce the next step in the reduction.
+ * The `iteratee` should complete with the next state of the reduction.
+ * If the iteratee completes with an error, the reduction is stopped and the
+ * main `callback` is immediately called with the error.
+ * Invoked with (memo, item, callback).
+ * @param {Function} [callback] - A callback which is called after all the
+ * `iteratee` functions have finished. Result is the reduced value. Invoked with
+ * (err, result).
+ * @returns {Promise} a promise, if no callback is passed
+ */
+function reduceRight(array, memo, iteratee, callback) {
+    var reversed = [...array].reverse();
+    return (0, _reduce2.default)(reversed, memo, iteratee, callback);
+}
+module.exports = exports.default;

node_modules/winston/node_modules/async/forEach.js

@@ -0,0 +1,129 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOf = require('./eachOf.js');
+
+var _eachOf2 = _interopRequireDefault(_eachOf);
+
+var _withoutIndex = require('./internal/withoutIndex.js');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Applies the function `iteratee` to each item in `coll`, in parallel.
+ * The `iteratee` is called with an item from the list, and a callback for when
+ * it has finished. If the `iteratee` passes an error to its `callback`, the
+ * main `callback` (for the `each` function) is immediately called with the
+ * error.
+ *
+ * Note, that since this function applies `iteratee` to each item in parallel,
+ * there is no guarantee that the iteratee functions will complete in order.
+ *
+ * @name each
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEach
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to
+ * each item in `coll`. Invoked with (item, callback).
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOf`.
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * const fileList = [ 'dir1/file2.txt', 'dir2/file3.txt', 'dir/file5.txt'];
+ * const withMissingFileList = ['dir1/file1.txt', 'dir4/file2.txt'];
+ *
+ * // asynchronous function that deletes a file
+ * const deleteFile = function(file, callback) {
+ *     fs.unlink(file, callback);
+ * };
+ *
+ * // Using callbacks
+ * async.each(fileList, deleteFile, function(err) {
+ *     if( err ) {
+ *         console.log(err);
+ *     } else {
+ *         console.log('All files have been deleted successfully');
+ *     }
+ * });
+ *
+ * // Error Handling
+ * async.each(withMissingFileList, deleteFile, function(err){
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ *     // since dir4/file2.txt does not exist
+ *     // dir1/file1.txt could have been deleted
+ * });
+ *
+ * // Using Promises
+ * async.each(fileList, deleteFile)
+ * .then( () => {
+ *     console.log('All files have been deleted successfully');
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Error Handling
+ * async.each(fileList, deleteFile)
+ * .then( () => {
+ *     console.log('All files have been deleted successfully');
+ * }).catch( err => {
+ *     console.log(err);
+ *     // [ Error: ENOENT: no such file or directory ]
+ *     // since dir4/file2.txt does not exist
+ *     // dir1/file1.txt could have been deleted
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         await async.each(files, deleteFile);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * // Error Handling
+ * async () => {
+ *     try {
+ *         await async.each(withMissingFileList, deleteFile);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *         // [ Error: ENOENT: no such file or directory ]
+ *         // since dir4/file2.txt does not exist
+ *         // dir1/file1.txt could have been deleted
+ *     }
+ * }
+ *
+ */
+function eachLimit(coll, iteratee, callback) {
+    return (0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+
+exports.default = (0, _awaitify2.default)(eachLimit, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/forEachLimit.js

@@ -0,0 +1,50 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfLimit = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _withoutIndex = require('./internal/withoutIndex.js');
+
+var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
+ *
+ * @name eachLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfLimit`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachLimit(coll, limit, iteratee, callback) {
+    return (0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
+}
+exports.default = (0, _awaitify2.default)(eachLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/forEachOf.js

@@ -0,0 +1,185 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _isArrayLike = require('./internal/isArrayLike.js');
+
+var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
+
+var _breakLoop = require('./internal/breakLoop.js');
+
+var _breakLoop2 = _interopRequireDefault(_breakLoop);
+
+var _eachOfLimit = require('./eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _once = require('./internal/once.js');
+
+var _once2 = _interopRequireDefault(_once);
+
+var _onlyOnce = require('./internal/onlyOnce.js');
+
+var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+// eachOf implementation optimized for array-likes
+function eachOfArrayLike(coll, iteratee, callback) {
+    callback = (0, _once2.default)(callback);
+    var index = 0,
+        completed = 0,
+        { length } = coll,
+        canceled = false;
+    if (length === 0) {
+        callback(null);
+    }
+
+    function iteratorCallback(err, value) {
+        if (err === false) {
+            canceled = true;
+        }
+        if (canceled === true) return;
+        if (err) {
+            callback(err);
+        } else if (++completed === length || value === _breakLoop2.default) {
+            callback(null);
+        }
+    }
+
+    for (; index < length; index++) {
+        iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
+    }
+}
+
+// a generic version of eachOf which can handle array, object, and iterator cases.
+function eachOfGeneric(coll, iteratee, callback) {
+    return (0, _eachOfLimit2.default)(coll, Infinity, iteratee, callback);
+}
+
+/**
+ * Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
+ * to the iteratee.
+ *
+ * @name eachOf
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @alias forEachOf
+ * @category Collection
+ * @see [async.each]{@link module:Collections.each}
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - A function to apply to each
+ * item in `coll`.
+ * The `key` is the item's key, or index in the case of an array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ * @example
+ *
+ * // dev.json is a file containing a valid json object config for dev environment
+ * // dev.json is a file containing a valid json object config for test environment
+ * // prod.json is a file containing a valid json object config for prod environment
+ * // invalid.json is a file with a malformed json object
+ *
+ * let configs = {}; //global variable
+ * let validConfigFileMap = {dev: 'dev.json', test: 'test.json', prod: 'prod.json'};
+ * let invalidConfigFileMap = {dev: 'dev.json', test: 'test.json', invalid: 'invalid.json'};
+ *
+ * // asynchronous function that reads a json file and parses the contents as json object
+ * function parseFile(file, key, callback) {
+ *     fs.readFile(file, "utf8", function(err, data) {
+ *         if (err) return calback(err);
+ *         try {
+ *             configs[key] = JSON.parse(data);
+ *         } catch (e) {
+ *             return callback(e);
+ *         }
+ *         callback();
+ *     });
+ * }
+ *
+ * // Using callbacks
+ * async.forEachOf(validConfigFileMap, parseFile, function (err) {
+ *     if (err) {
+ *         console.error(err);
+ *     } else {
+ *         console.log(configs);
+ *         // configs is now a map of JSON data, e.g.
+ *         // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}
+ *     }
+ * });
+ *
+ * //Error handing
+ * async.forEachOf(invalidConfigFileMap, parseFile, function (err) {
+ *     if (err) {
+ *         console.error(err);
+ *         // JSON parse error exception
+ *     } else {
+ *         console.log(configs);
+ *     }
+ * });
+ *
+ * // Using Promises
+ * async.forEachOf(validConfigFileMap, parseFile)
+ * .then( () => {
+ *     console.log(configs);
+ *     // configs is now a map of JSON data, e.g.
+ *     // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}
+ * }).catch( err => {
+ *     console.error(err);
+ * });
+ *
+ * //Error handing
+ * async.forEachOf(invalidConfigFileMap, parseFile)
+ * .then( () => {
+ *     console.log(configs);
+ * }).catch( err => {
+ *     console.error(err);
+ *     // JSON parse error exception
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.forEachOf(validConfigFileMap, parseFile);
+ *         console.log(configs);
+ *         // configs is now a map of JSON data, e.g.
+ *         // { dev: //parsed dev.json, test: //parsed test.json, prod: //parsed prod.json}
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ * //Error handing
+ * async () => {
+ *     try {
+ *         let result = await async.forEachOf(invalidConfigFileMap, parseFile);
+ *         console.log(configs);
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *         // JSON parse error exception
+ *     }
+ * }
+ *
+ */
+function eachOf(coll, iteratee, callback) {
+    var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
+    return eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
+}
+
+exports.default = (0, _awaitify2.default)(eachOf, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/forEachOfLimit.js

@@ -0,0 +1,47 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfLimit2 = require('./internal/eachOfLimit.js');
+
+var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
+
+var _wrapAsync = require('./internal/wrapAsync.js');
+
+var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
+ * time.
+ *
+ * @name eachOfLimit
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfLimit
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {number} limit - The maximum number of async operations at a time.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`. The `key` is the item's key, or index in the case of an
+ * array.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachOfLimit(coll, limit, iteratee, callback) {
+    return (0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
+}
+
+exports.default = (0, _awaitify2.default)(eachOfLimit, 4);
+module.exports = exports.default;

node_modules/winston/node_modules/async/forEachOfSeries.js

@@ -0,0 +1,39 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachOfLimit = require('./eachOfLimit.js');
+
+var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
+ *
+ * @name eachOfSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.eachOf]{@link module:Collections.eachOf}
+ * @alias forEachOfSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * Invoked with (item, key, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachOfSeries(coll, iteratee, callback) {
+    return (0, _eachOfLimit2.default)(coll, 1, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(eachOfSeries, 3);
+module.exports = exports.default;

node_modules/winston/node_modules/async/forEachSeries.js

@@ -0,0 +1,44 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _eachLimit = require('./eachLimit.js');
+
+var _eachLimit2 = _interopRequireDefault(_eachLimit);
+
+var _awaitify = require('./internal/awaitify.js');
+
+var _awaitify2 = _interopRequireDefault(_awaitify);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
+ *
+ * Note, that unlike [`each`]{@link module:Collections.each}, this function applies iteratee to each item
+ * in series and therefore the iteratee functions will complete in order.
+
+ * @name eachSeries
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @see [async.each]{@link module:Collections.each}
+ * @alias forEachSeries
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each
+ * item in `coll`.
+ * The array index is not passed to the iteratee.
+ * If you need the index, use `eachOfSeries`.
+ * Invoked with (item, callback).
+ * @param {Function} [callback] - A callback which is called when all
+ * `iteratee` functions have finished, or an error occurs. Invoked with (err).
+ * @returns {Promise} a promise, if a callback is omitted
+ */
+function eachSeries(coll, iteratee, callback) {
+    return (0, _eachLimit2.default)(coll, 1, iteratee, callback);
+}
+exports.default = (0, _awaitify2.default)(eachSeries, 3);
+module.exports = exports.default;