From 66481c0a022129f3b69a34f403e37e4a3c6709b4 Mon Sep 17 00:00:00 2001
From: Mariusz Nowak <medyk@medikoo.com>
Date: Fri, 16 Mar 2018 15:28:28 +0100
Subject: [PATCH] feat: Add function.microtaskDelay method

---
 function/#/index.js                |  1 +
 function/#/microtask-delay.js      | 14 ++++++++++++++
 package.json                       |  3 ++-
 test/function/#/microtask-delay.js | 22 ++++++++++++++++++++++
 4 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 function/#/microtask-delay.js
 create mode 100644 test/function/#/microtask-delay.js

diff --git a/function/#/index.js b/function/#/index.js
index 74c7f017..02ae9f49 100644
--- a/function/#/index.js
+++ b/function/#/index.js
@@ -5,6 +5,7 @@ module.exports = {
 	copy: require("./copy"),
 	curry: require("./curry"),
 	lock: require("./lock"),
+	microtaskDelay: require("./microtask-delay"),
 	not: require("./not"),
 	partial: require("./partial"),
 	spread: require("./spread"),
diff --git a/function/#/microtask-delay.js b/function/#/microtask-delay.js
new file mode 100644
index 00000000..89d47be5
--- /dev/null
+++ b/function/#/microtask-delay.js
@@ -0,0 +1,14 @@
+"use strict";
+
+var ensurePlainFunction = require("../../object/ensure-plain-function")
+  , defineLength        = require("../_define-length")
+  , nextTick            = require("next-tick");
+
+var apply = Function.prototype.apply;
+
+module.exports = function () {
+	var src = ensurePlainFunction(this);
+	return defineLength(function () {
+		nextTick(apply.bind(src, this, arguments));
+	}, this.length);
+};
diff --git a/package.json b/package.json
index b2aa553a..f661b8a4 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
   },
   "dependencies": {
     "es6-iterator": "~2.0.3",
-    "es6-symbol": "~3.1.1"
+    "es6-symbol": "~3.1.1",
+    "next-tick": "1"
   },
   "devDependencies": {
     "eslint": "^4.15",
diff --git a/test/function/#/microtask-delay.js b/test/function/#/microtask-delay.js
new file mode 100644
index 00000000..8bd0dc12
--- /dev/null
+++ b/test/function/#/microtask-delay.js
@@ -0,0 +1,22 @@
+"use strict";
+
+var nextTick = require("next-tick");
+
+module.exports = function (t, a, d) {
+	var wasInvoked = false, args = [{}, {}], context = {};
+	var target = t.call(function () {
+		a(this, context);
+		a.deep(arguments, args);
+		wasInvoked = true;
+	});
+
+	nextTick(function () {
+		a(wasInvoked, false);
+		target.apply(context, args);
+		a(wasInvoked, false);
+		nextTick(function () {
+			a(wasInvoked, true);
+			d();
+		});
+	});
+};