/var/www/myprog.com.ua/server/node/node_modules/winston/lib/winston
Edit: /var/www/myprog.com.ua/server/node/node_modules/winston/lib/winston/profiler.js (1419B)
/**
* 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;