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/**
* 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;