fix(js): add DocumentFragment.children polyfill for IE

app/javascript/shared/polyfills.js

@@ -16,7 +16,27 @@ import 'yet-another-abortcontroller-polyfill';
 import './polyfills/insertAdjacentElement';
 import './polyfills/dataset';
 
-// IE 11 has no baseURI
+// IE 11 has no baseURI (required by turbo)
 if (document.baseURI == undefined) {
   document.baseURI = document.URL;
 }
+
+// IE 11 has no children on DocumentFragment (required by turbo)
+function polyfillChildren(proto) {
+  Object.defineProperty(proto, 'children', {
+    get: function () {
+      const children = [];
+      for (const node of this.childNodes) {
+        if (node.nodeType == 1) {
+          children.push(node);
+        }
+      }
+      return children;
+    }
+  });
+}
+
+const fragment = document.createDocumentFragment();
+if (fragment.children == undefined) {
+  polyfillChildren(DocumentFragment.prototype);
+}

patches/@hotwired+turbo+7.1.0.patch

@@ -1,28 +0,0 @@
-diff --git a/node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js b/node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js
-index 963422f..7820263 100644
---- a/node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js
-+++ b/node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js
-@@ -551,7 +551,8 @@ class StreamMessage {
-         }, []);
-     }
-     get templateChildren() {
--        return Array.from(this.templateElement.content.children);
-+        const content = this.templateElement.content;
-+        return content.children ? Array.from(content.children) : Array.from(content.childNodes).filter((tag) => tag.tagName);
-     }
- }
- StreamMessage.contentType = "text/vnd.turbo-stream.html";
-diff --git a/node_modules/@hotwired/turbo/dist/turbo.es2017-umd.js b/node_modules/@hotwired/turbo/dist/turbo.es2017-umd.js
-index 101db1f..a63cfbe 100644
---- a/node_modules/@hotwired/turbo/dist/turbo.es2017-umd.js
-+++ b/node_modules/@hotwired/turbo/dist/turbo.es2017-umd.js
-@@ -557,7 +557,8 @@ Copyright © 2021 Basecamp, LLC
-             }, []);
-         }
-         get templateChildren() {
--            return Array.from(this.templateElement.content.children);
-+            const content = this.templateElement.content;
-+            return content.children ? Array.from(content.children) : Array.from(content.childNodes).filter((tag) => tag.tagName);
-         }
-     }
-     StreamMessage.contentType = "text/vnd.turbo-stream.html";