From 58d2dc094058c7add229d4e83accb1e04860f1f5 Mon Sep 17 00:00:00 2001
From: Andrea Giammarchi <andrea.giammarchi@gmail.com>
Date: Tue, 23 Jul 2019 07:58:14 -0500
Subject: [PATCH] Fix template issue

---
 build/document-register-element.amd.js     |  2 +-
 build/document-register-element.esm.js     | 10 +++++--
 build/document-register-element.js         |  2 +-
 build/document-register-element.max.amd.js | 10 +++++--
 build/document-register-element.max.js     | 10 +++++--
 build/document-register-element.node.js    | 10 +++++--
 pony/index.js                              | 10 +++++--
 pony/index.mjs                             | 10 +++++--
 src/document-register-element.js           | 10 +++++--
 test/template.html                         | 33 ++++++++++++++++++++++
 10 files changed, 84 insertions(+), 23 deletions(-)
 create mode 100644 test/template.html

diff --git a/build/document-register-element.amd.js b/build/document-register-element.amd.js
index 077d228..cacebb0 100644
--- a/build/document-register-element.amd.js
+++ b/build/document-register-element.amd.js
@@ -1,2 +1,2 @@
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diff --git a/build/document-register-element.esm.js b/build/document-register-element.esm.js
index a0b4594..906c283 100644
--- a/build/document-register-element.esm.js
+++ b/build/document-register-element.esm.js
@@ -641,6 +641,12 @@ export default function installCustomElements(window, polyfill) {'use strict';
   
     attachShadow = HTMLElementPrototype.attachShadow,
     cloneNode = HTMLElementPrototype.cloneNode,
+    closest = HTMLElementPrototype.closest || function (name) {
+      var self = this;
+      while (self && self.nodeName !== name)
+        self = self.parentNode;
+      return self;
+    },
     dispatchEvent = HTMLElementPrototype.dispatchEvent,
     getAttribute = HTMLElementPrototype.getAttribute,
     hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -1249,7 +1255,7 @@ export default function installCustomElements(window, polyfill) {'use strict';
       i = getTypeIndex(node),
       counterAction
     ;
-    if (-1 < i) {
+    if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
       patchIfNotAlready(node, protos[i]);
       i = 0;
       if (action === ATTACHED && !node[ATTACHED]) {
@@ -1273,8 +1279,6 @@ export default function installCustomElements(window, polyfill) {'use strict';
     }
   }
   
-  
-  
   // V1 in da House!
   function CustomElementRegistry() {}
   
diff --git a/build/document-register-element.js b/build/document-register-element.js
index 4ff463f..b2a5161 100644
--- a/build/document-register-element.js
+++ b/build/document-register-element.js
@@ -1,2 +1,2 @@
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diff --git a/build/document-register-element.max.amd.js b/build/document-register-element.max.amd.js
index 5adb844..a4bdc14 100644
--- a/build/document-register-element.max.amd.js
+++ b/build/document-register-element.max.amd.js
@@ -638,6 +638,12 @@ define(function(polyfill){'use strict';
   
     attachShadow = HTMLElementPrototype.attachShadow,
     cloneNode = HTMLElementPrototype.cloneNode,
+    closest = HTMLElementPrototype.closest || function (name) {
+      var self = this;
+      while (self && self.nodeName !== name)
+        self = self.parentNode;
+      return self;
+    },
     dispatchEvent = HTMLElementPrototype.dispatchEvent,
     getAttribute = HTMLElementPrototype.getAttribute,
     hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -1246,7 +1252,7 @@ define(function(polyfill){'use strict';
       i = getTypeIndex(node),
       counterAction
     ;
-    if (-1 < i) {
+    if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
       patchIfNotAlready(node, protos[i]);
       i = 0;
       if (action === ATTACHED && !node[ATTACHED]) {
@@ -1270,8 +1276,6 @@ define(function(polyfill){'use strict';
     }
   }
   
-  
-  
   // V1 in da House!
   function CustomElementRegistry() {}
   
diff --git a/build/document-register-element.max.js b/build/document-register-element.max.js
index 68660ee..c13c2be 100644
--- a/build/document-register-element.max.js
+++ b/build/document-register-element.max.js
@@ -638,6 +638,12 @@ PERFORMANCE OF THIS SOFTWARE.
   
     attachShadow = HTMLElementPrototype.attachShadow,
     cloneNode = HTMLElementPrototype.cloneNode,
+    closest = HTMLElementPrototype.closest || function (name) {
+      var self = this;
+      while (self && self.nodeName !== name)
+        self = self.parentNode;
+      return self;
+    },
     dispatchEvent = HTMLElementPrototype.dispatchEvent,
     getAttribute = HTMLElementPrototype.getAttribute,
     hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -1246,7 +1252,7 @@ PERFORMANCE OF THIS SOFTWARE.
       i = getTypeIndex(node),
       counterAction
     ;
-    if (-1 < i) {
+    if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
       patchIfNotAlready(node, protos[i]);
       i = 0;
       if (action === ATTACHED && !node[ATTACHED]) {
@@ -1270,8 +1276,6 @@ PERFORMANCE OF THIS SOFTWARE.
     }
   }
   
-  
-  
   // V1 in da House!
   function CustomElementRegistry() {}
   
diff --git a/build/document-register-element.node.js b/build/document-register-element.node.js
index 7347146..abbbb36 100644
--- a/build/document-register-element.node.js
+++ b/build/document-register-element.node.js
@@ -641,6 +641,12 @@ function installCustomElements(window, polyfill) {'use strict';
   
     attachShadow = HTMLElementPrototype.attachShadow,
     cloneNode = HTMLElementPrototype.cloneNode,
+    closest = HTMLElementPrototype.closest || function (name) {
+      var self = this;
+      while (self && self.nodeName !== name)
+        self = self.parentNode;
+      return self;
+    },
     dispatchEvent = HTMLElementPrototype.dispatchEvent,
     getAttribute = HTMLElementPrototype.getAttribute,
     hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -1249,7 +1255,7 @@ function installCustomElements(window, polyfill) {'use strict';
       i = getTypeIndex(node),
       counterAction
     ;
-    if (-1 < i) {
+    if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
       patchIfNotAlready(node, protos[i]);
       i = 0;
       if (action === ATTACHED && !node[ATTACHED]) {
@@ -1273,8 +1279,6 @@ function installCustomElements(window, polyfill) {'use strict';
     }
   }
   
-  
-  
   // V1 in da House!
   function CustomElementRegistry() {}
   
diff --git a/pony/index.js b/pony/index.js
index bdb9328..41ef7f9 100644
--- a/pony/index.js
+++ b/pony/index.js
@@ -641,6 +641,12 @@ function installCustomElements(window, polyfill) {'use strict';
   
     attachShadow = HTMLElementPrototype.attachShadow,
     cloneNode = HTMLElementPrototype.cloneNode,
+    closest = HTMLElementPrototype.closest || function (name) {
+      var self = this;
+      while (self && self.nodeName !== name)
+        self = self.parentNode;
+      return self;
+    },
     dispatchEvent = HTMLElementPrototype.dispatchEvent,
     getAttribute = HTMLElementPrototype.getAttribute,
     hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -1249,7 +1255,7 @@ function installCustomElements(window, polyfill) {'use strict';
       i = getTypeIndex(node),
       counterAction
     ;
-    if (-1 < i) {
+    if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
       patchIfNotAlready(node, protos[i]);
       i = 0;
       if (action === ATTACHED && !node[ATTACHED]) {
@@ -1273,8 +1279,6 @@ function installCustomElements(window, polyfill) {'use strict';
     }
   }
   
-  
-  
   // V1 in da House!
   function CustomElementRegistry() {}
   
diff --git a/pony/index.mjs b/pony/index.mjs
index edeb1b9..deab926 100644
--- a/pony/index.mjs
+++ b/pony/index.mjs
@@ -641,6 +641,12 @@ export default function installCustomElements(window, polyfill) {'use strict';
   
     attachShadow = HTMLElementPrototype.attachShadow,
     cloneNode = HTMLElementPrototype.cloneNode,
+    closest = HTMLElementPrototype.closest || function (name) {
+      var self = this;
+      while (self && self.nodeName !== name)
+        self = self.parentNode;
+      return self;
+    },
     dispatchEvent = HTMLElementPrototype.dispatchEvent,
     getAttribute = HTMLElementPrototype.getAttribute,
     hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -1249,7 +1255,7 @@ export default function installCustomElements(window, polyfill) {'use strict';
       i = getTypeIndex(node),
       counterAction
     ;
-    if (-1 < i) {
+    if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
       patchIfNotAlready(node, protos[i]);
       i = 0;
       if (action === ATTACHED && !node[ATTACHED]) {
@@ -1273,8 +1279,6 @@ export default function installCustomElements(window, polyfill) {'use strict';
     }
   }
   
-  
-  
   // V1 in da House!
   function CustomElementRegistry() {}
   
diff --git a/src/document-register-element.js b/src/document-register-element.js
index 748bca8..003b69a 100644
--- a/src/document-register-element.js
+++ b/src/document-register-element.js
@@ -208,6 +208,12 @@ var
 
   attachShadow = HTMLElementPrototype.attachShadow,
   cloneNode = HTMLElementPrototype.cloneNode,
+  closest = HTMLElementPrototype.closest || function (name) {
+    var self = this;
+    while (self && self.nodeName !== name)
+      self = self.parentNode;
+    return self;
+  },
   dispatchEvent = HTMLElementPrototype.dispatchEvent,
   getAttribute = HTMLElementPrototype.getAttribute,
   hasAttribute = HTMLElementPrototype.hasAttribute,
@@ -816,7 +822,7 @@ function verifyAndSetupAndAction(node, action) {
     i = getTypeIndex(node),
     counterAction
   ;
-  if (-1 < i) {
+  if ((-1 < i) && !closest.call(node, 'TEMPLATE')) {
     patchIfNotAlready(node, protos[i]);
     i = 0;
     if (action === ATTACHED && !node[ATTACHED]) {
@@ -840,8 +846,6 @@ function verifyAndSetupAndAction(node, action) {
   }
 }
 
-
-
 // V1 in da House!
 function CustomElementRegistry() {}
 
diff --git a/test/template.html b/test/template.html
new file mode 100644
index 0000000..e110d1c
--- /dev/null
+++ b/test/template.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<script src="../build/document-register-element.max.js"></script>
+	<script>
+	var count = 0;
+	document.registerElement('in-template', {
+		prototype: Object.create(
+			HTMLElement.prototype, {
+				createdCallback: {value: function() {
+					document.getElementById('count').innerHTML = ++count;
+					this.innerHTML = count;
+				}}
+			})
+		});
+	</script>
+	</head>
+	<body>
+		<p>
+			Counter should be 2: <span id="count">0</span>
+		</p>
+		<template id="template"><in-template></in-template></template>
+		<script>
+		var template = document.getElementById('template');
+		// This FAILS on Chrome with fix!:
+		// document.body.appendChild(template.content.cloneNode(true));
+		document.body.appendChild(document.createElement('in-template'));
+		var div = document.createElement('div');
+		div.innerHTML = template.innerHTML;
+		document.body.appendChild(div);
+		</script>
+	</body>
+</html>
\ No newline at end of file