tra-analysis/website/node_modules/npm/lib/utils/perf.js
2019-01-06 13:14:45 -06:00

27 lines
548 B
JavaScript

'use strict'
var log = require('npmlog')
var EventEmitter = require('events').EventEmitter
var perf = new EventEmitter()
module.exports = perf
var timings = {}
process.on('time', time)
process.on('timeEnd', timeEnd)
perf.on('time', time)
perf.on('timeEnd', timeEnd)
function time (name) {
timings[name] = Date.now()
}
function timeEnd (name) {
if (name in timings) {
perf.emit('timing', name, Date.now() - timings[name])
delete timings[name]
} else {
log.silly('timing', "Tried to end timer that doesn't exist:", name)
}
}