From 738638da40811f560611600b3dac72316785225e Mon Sep 17 00:00:00 2001
From: Morgan Roderick <morgan@roderick.dk>
Date: Fri, 27 Apr 2018 11:30:08 +0100
Subject: [PATCH] Extract nextTick to own file

---
 lib/sinon/behavior.js            | 15 +--------------
 lib/sinon/util/core/next-tick.js | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 14 deletions(-)
 create mode 100644 lib/sinon/util/core/next-tick.js

diff --git a/lib/sinon/behavior.js b/lib/sinon/behavior.js
index 03faba8a6..bed78b6b8 100644
--- a/lib/sinon/behavior.js
+++ b/lib/sinon/behavior.js
@@ -2,6 +2,7 @@
 
 var extend = require("./util/core/extend");
 var functionName = require("./util/core/function-name");
+var nextTick = require("./util/core/next-tick");
 var valueToString = require("./util/core/value-to-string");
 
 var slice = Array.prototype.slice;
@@ -9,20 +10,6 @@ var join = Array.prototype.join;
 var useLeftMostCallback = -1;
 var useRightMostCallback = -2;
 
-var nextTick = (function () {
-    if (typeof process === "object" && typeof process.nextTick === "function") {
-        return process.nextTick;
-    }
-
-    if (typeof setImmediate === "function") {
-        return setImmediate;
-    }
-
-    return function (callback) {
-        setTimeout(callback, 0);
-    };
-})();
-
 function getCallback(behavior, args) {
     var callArgAt = behavior.callArgAt;
 
diff --git a/lib/sinon/util/core/next-tick.js b/lib/sinon/util/core/next-tick.js
new file mode 100644
index 000000000..94aca873b
--- /dev/null
+++ b/lib/sinon/util/core/next-tick.js
@@ -0,0 +1,20 @@
+"use strict";
+
+var hasNextTick = typeof process === "object" && typeof process.nextTick === "function";
+var hasSetImmediate = typeof setImmediate === "function";
+
+function nextTick(callback) {
+    setTimeout(callback, 0);
+}
+
+if (hasNextTick) {
+    module.exports = process.nextTick;
+}
+
+if (!hasNextTick && hasSetImmediate) {
+    module.exports = setImmediate;
+}
+
+if (!hasNextTick && !hasSetImmediate) {
+    module.exports = nextTick;
+}