node/deps/npm/lib/utils/perf.js
Luigi Pinca dc05c70c8f
deps: upgrade npm to 7.0.7
PR-URL: https://github.com/nodejs/node/pull/35908
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
2020-11-02 16:18:50 -05:00

17 lines
422 B
JavaScript

const log = require('npmlog')
const timings = new Map()
process.on('time', (name) => {
timings.set(name, Date.now())
})
process.on('timeEnd', (name) => {
if (timings.has(name)) {
const ms = Date.now() - timings.get(name)
process.emit('timing', name, ms)
log.timing(name, `Completed in ${ms}ms`)
timings.delete(name)
} else
log.silly('timing', "Tried to end timer that doesn't exist:", name)
})