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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 7x 3x 1x 2x 2x 2x 2x 2x 2x 2x | /** * profiler.js: TODO: add file header description. * * (C) 2010 Charlie Robbins * MIT LICENCE */ 'use strict'; /** * TODO: add class description. * @type {Profiler} * @private */ module.exports = 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) { if (!logger) { throw new Error('Logger is required for profiling.'); } 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) { Iif (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); } }; |