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22 lines
395 B
22 lines
395 B
10 years ago
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'use strict'
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var validate = require('aproba')
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var log = require('npmlog')
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var pulsers = 0
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var pulse
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module.exports = function (prefix, cb) {
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validate('SF', [prefix, cb])
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if (!pulsers++) {
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pulse = setInterval(function () {
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log.gauge.pulse('network')
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}, 250)
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}
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return function () {
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if (!--pulsers) {
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clearInterval(pulse)
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}
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cb.apply(null, arguments)
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}
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}
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