From b16d1e6b739a41b62b5e7a4feb7cb399d22695b2 Mon Sep 17 00:00:00 2001
From: Derek P Sifford <dereksifford@gmail.com>
Date: Thu, 14 Sep 2017 20:04:36 -0400
Subject: [PATCH] override parts of Node and NamedNodeMap interfaces

---
 baselines/dom.generated.d.ts    | 12 ++++-----
 inputfiles/overridingTypes.json | 47 +++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 6 deletions(-)

diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index f0f10ef66..e9f983bdf 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -8168,13 +8168,13 @@ declare var MutationRecord: {
 
 interface NamedNodeMap {
     readonly length: number;
-    getNamedItem(name: string): Attr;
-    getNamedItemNS(namespaceURI: string | null, localName: string | null): Attr;
-    item(index: number): Attr;
+    getNamedItem(name: string): Attr | null;
+    getNamedItemNS(namespaceURI: string | null, localName: string | null): Attr | null;
+    item(index: number): Attr | null;
     removeNamedItem(name: string): Attr;
     removeNamedItemNS(namespaceURI: string | null, localName: string | null): Attr;
-    setNamedItem(arg: Attr): Attr;
-    setNamedItemNS(arg: Attr): Attr;
+    setNamedItem(arg: Attr): Attr | null;
+    setNamedItemNS(arg: Attr): Attr | null;
     [index: number]: Attr;
 }
 
@@ -8242,7 +8242,7 @@ declare var Navigator: {
 interface Node extends EventTarget {
     readonly attributes: NamedNodeMap;
     readonly baseURI: string | null;
-    readonly childNodes: NodeList;
+    readonly childNodes: NodeListOf<Node & ChildNode>;
     readonly firstChild: Node | null;
     readonly lastChild: Node | null;
     readonly localName: string | null;
diff --git a/inputfiles/overridingTypes.json b/inputfiles/overridingTypes.json
index c1236aa4f..7afa2f3bc 100644
--- a/inputfiles/overridingTypes.json
+++ b/inputfiles/overridingTypes.json
@@ -1389,5 +1389,52 @@
         "interface": "ServiceWorkerContainer",
         "name": "getRegistration",
         "signatures": ["getRegistration(): Promise<ServiceWorkerRegistration | undefined>"]
+    },
+    {
+        "kind": "method",
+        "interface": "NamedNodeMap",
+        "name": "getNamedItem",
+        "signatures": [
+            "getNamedItem(name: string): Attr | null"
+        ]
+    },
+    {
+        "kind": "method",
+        "interface": "NamedNodeMap",
+        "name": "getNamedItemNS",
+        "signatures": [
+            "getNamedItemNS(namespaceURI: string | null, localName: string | null): Attr | null"
+        ]
+    },
+    {
+        "kind": "method",
+        "interface": "NamedNodeMap",
+        "name": "item",
+        "signatures": [
+            "item(index: number): Attr | null"
+        ]
+    },
+    {
+        "kind": "method",
+        "interface": "NamedNodeMap",
+        "name": "setNamedItem",
+        "signatures": [
+            "setNamedItem(arg: Attr): Attr | null"
+        ]
+    },
+    {
+        "kind": "method",
+        "interface": "NamedNodeMap",
+        "name": "setNamedItemNS",
+        "signatures": [
+            "setNamedItemNS(arg: Attr): Attr | null"
+        ]
+    },
+    {
+        "kind": "property",
+        "interface": "Node",
+        "readonly": true,
+        "name": "childNodes",
+        "type": "NodeListOf<Node & ChildNode>"
     }
  ]