blob: 13147bae1661370561ccff3f8003f12a203ac3a1 (
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const log = require('npmlog')
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) {
if (!prefix)
prefix = 'network'
pulseStart(prefix)
return (er, ...args) => {
pulseStop()
cb(er, ...args)
}
}
const pulseWhile = async (prefix, promise) => {
if (!promise) {
promise = prefix
prefix = ''
}
pulseStart(prefix)
try {
return await promise
} finally {
pulseStop()
}
}
module.exports.withPromise = pulseWhile
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