| Current Path : /opt/alt/alt-nodejs6/root/usr/lib/node_modules/npm/lib/utils/ |
| Current File : //opt/alt/alt-nodejs6/root/usr/lib/node_modules/npm/lib/utils/pulse-till-done.js |
'use strict'
var validate = require('aproba')
var log = require('npmlog')
var pulsers = 0
var pulse
module.exports = function (prefix, cb) {
validate('SF', [prefix, cb])
if (!prefix) prefix = 'network'
if (!pulsers++) {
pulse = setInterval(function () {
log.gauge.pulse(prefix)
}, 250)
}
return function () {
if (!--pulsers) {
clearInterval(pulse)
}
cb.apply(null, arguments)
}
}