CB-12003 updated node_modules

node_modules/once/once.js

@@ -1,5 +1,6 @@
 var wrappy = require('wrappy')
 module.exports = wrappy(once)
+module.exports.strict = wrappy(onceStrict)
 
 once.proto = once(function () {
   Object.defineProperty(Function.prototype, 'once', {
@@ -8,6 +9,13 @@ once.proto = once(function () {
     },
     configurable: true
   })
+
+  Object.defineProperty(Function.prototype, 'onceStrict', {
+    value: function () {
+      return onceStrict(this)
+    },
+    configurable: true
+  })
 })
 
 function once (fn) {
@@ -19,3 +27,16 @@ function once (fn) {
   f.called = false
   return f
 }
+
+function onceStrict (fn) {
+  var f = function () {
+    if (f.called)
+      throw new Error(f.onceError)
+    f.called = true
+    return f.value = fn.apply(this, arguments)
+  }
+  var name = fn.name || 'Function wrapped with `once`'
+  f.onceError = name + " shouldn't be called more than once"
+  f.called = false
+  return f
+}