From 3ac332f523ea9ee10506fcd9de15c9a8c47425c5 Mon Sep 17 00:00:00 2001
From: ewan-m <ewanmorrrison@gmail.com>
Date: Wed, 11 Dec 2019 12:10:04 +0000
Subject: [PATCH 1/3] Remove unnecessary switch statement

---
 index.js | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/index.js b/index.js
index 8f6169e..59d87d3 100644
--- a/index.js
+++ b/index.js
@@ -188,19 +188,7 @@ function makeChoice(whichOption) {
 }
 
 function setState(newState) {
-	switch (newState) {
-		case 'initial': 
-			csState = 'initial'
-			break
-		case 'opened': 
-			csState = 'opened'
-			break
-		case 'filtered':
-			csState = 'filtered'
-			break
-		case 'closed': 
-			csState = 'closed'
-	}
+	csState = newState;
 	// console.log({csState})
 }
 

From a971b94687aac693ff41c7f3dbefeb220bcb9d96 Mon Sep 17 00:00:00 2001
From: ewan-m <ewanmorrrison@gmail.com>
Date: Wed, 11 Dec 2019 12:31:01 +0000
Subject: [PATCH 2/3] Replace e.target.closest with IE compatible bespoke
 function

---
 index.js | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/index.js b/index.js
index 59d87d3..0f68802 100644
--- a/index.js
+++ b/index.js
@@ -83,7 +83,7 @@ csSelector.addEventListener('keyup', function(e) {
 })
 
 document.addEventListener('click', function(e) {
-	if (!e.target.closest('#myCustomSelect')) {
+	if (!aParentElementHasId(e, '#myCustomSelect', 20)) {
 		// click outside of the custom group
 		toggleList('Shut')
 		setState('initial')
@@ -93,6 +93,23 @@ document.addEventListener('click', function(e) {
 // FUNCTIONS 
 // /////////////////////////////////
 
+function aParentElementHasId(event, id, maxDepth) {
+	let currentElement = event.srcElement
+	let count = 0
+
+	while (currentElement !== undefined) {
+		count++
+		if (currentElement.id === id) {
+			return true
+		}
+		if (maxDepth && count > maxDepth) {
+			return false
+		}
+		currentElement = currentElement.parentElement
+	}
+	return false
+}
+
 function toggleList(whichWay) {
 	if (whichWay === 'Open') {
 		csList.classList.remove('hidden-all')
@@ -104,8 +121,7 @@ function toggleList(whichWay) {
 }
 
 function findFocus() {
-	const focusPoint = document.activeElement
-	return focusPoint
+	return document.activeElement
 }
 
 function moveFocus(fromHere, toThere) {
@@ -188,8 +204,7 @@ function makeChoice(whichOption) {
 }
 
 function setState(newState) {
-	csState = newState;
-	// console.log({csState})
+	csState = newState
 }
 
 function doKeyAction(whichKey) {

From 12057015e47998924f74b4d0eb4c557a6e8c03a8 Mon Sep 17 00:00:00 2001
From: ewan-m <ewanmorrrison@gmail.com>
Date: Wed, 11 Dec 2019 12:35:44 +0000
Subject: [PATCH 3/3] Remove # for id selector

---
 index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index 0f68802..16df951 100644
--- a/index.js
+++ b/index.js
@@ -83,7 +83,7 @@ csSelector.addEventListener('keyup', function(e) {
 })
 
 document.addEventListener('click', function(e) {
-	if (!aParentElementHasId(e, '#myCustomSelect', 20)) {
+	if (!aParentElementHasId(e, 'myCustomSelect', 20)) {
 		// click outside of the custom group
 		toggleList('Shut')
 		setState('initial')
@@ -97,7 +97,7 @@ function aParentElementHasId(event, id, maxDepth) {
 	let currentElement = event.srcElement
 	let count = 0
 
-	while (currentElement !== undefined) {
+	while (currentElement !== undefined && currentElement !== null) {
 		count++
 		if (currentElement.id === id) {
 			return true