| Current Path : /proc/thread-self/root/usr/share/nodejs/npm/lib/utils/ |
Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : //proc/thread-self/root/usr/share/nodejs/npm/lib/utils/pulse-till-done.js |
'use strict'
const validate = require('aproba')
const log = require('npmlog')
const Bluebird = require('bluebird')
let pulsers = 0
let pulse
function pulseStart (prefix) {
if (++pulsers > 1) return
pulse = setInterval(function () {
log.gauge.pulse(prefix)
}, 150)
}
function pulseStop () {
if (--pulsers > 0) return
clearInterval(pulse)
}
module.exports = function (prefix, cb) {
validate('SF', [prefix, cb])
if (!prefix) prefix = 'network'
pulseStart(prefix)
return function () {
pulseStop()
cb.apply(null, arguments)
}
}
module.exports.withPromise = pulseWhile
function pulseWhile (prefix, promise) {
if (!promise) {
promise = prefix
prefix = ''
}
pulseStart(prefix)
return Bluebird.resolve(promise).finally(() => pulseStop())
}