mirror of
https://github.com/overleaf/overleaf.git
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62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
/* eslint-disable
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no-unused-vars,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS206: Consider reworking classes to avoid initClass
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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let Profiler
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const Settings = require('@overleaf/settings')
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const logger = require('logger-sharelatex')
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const deltaMs = function (ta, tb) {
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const nanoSeconds = (ta[0] - tb[0]) * 1e9 + (ta[1] - tb[1])
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const milliSeconds = Math.floor(nanoSeconds * 1e-6)
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return milliSeconds
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}
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module.exports = Profiler = (function () {
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Profiler = class Profiler {
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static initClass() {
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this.prototype.LOG_CUTOFF_TIME = 1000
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}
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constructor(name, args) {
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this.name = name
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this.args = args
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this.t0 = this.t = process.hrtime()
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this.start = new Date()
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this.updateTimes = []
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}
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log(label) {
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const t1 = process.hrtime()
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const dtMilliSec = deltaMs(t1, this.t)
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this.t = t1
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this.updateTimes.push([label, dtMilliSec]) // timings in ms
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return this // make it chainable
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}
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end(message) {
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const totalTime = deltaMs(this.t, this.t0)
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if (totalTime > this.LOG_CUTOFF_TIME) {
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// log anything greater than cutoff
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const args = {}
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for (const k in this.args) {
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const v = this.args[k]
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args[k] = v
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}
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args.updateTimes = this.updateTimes
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args.start = this.start
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args.end = new Date()
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logger.debug(args, this.name)
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}
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return totalTime
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}
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}
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Profiler.initClass()
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return Profiler
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})()
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