1 files changed, 28 insertions, 12 deletions
diff --git a/deps/npm/lib/utils/pulse-till-done.js b/deps/npm/lib/utils/pulse-till-done.js
index 2669241306..b292c2fa56 100644
--- a/deps/npm/lib/utils/pulse-till-done.js
+++ b/deps/npm/lib/utils/pulse-till-done.js
@@ -1,22 +1,38 @@
 'use strict'
-var validate = require('aproba')
-var log = require('npmlog')
+const validate = require('aproba')
+const log = require('npmlog')
+const Bluebird = require('bluebird')
 
-var pulsers = 0
-var pulse
+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'
-  if (!pulsers++) {
-    pulse = setInterval(function () {
-      log.gauge.pulse(prefix)
-    }, 250)
-  }
+  pulseStart(prefix)
   return function () {
-    if (!--pulsers) {
-      clearInterval(pulse)
-    }
+    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())
+}