1 files changed, 0 insertions, 85 deletions
diff --git a/js/dom_util.ts b/js/dom_util.ts
deleted file mode 100644
index 725a35aaf..000000000
--- a/js/dom_util.ts
+++ /dev/null
@@ -1,85 +0,0 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-// Utility functions for DOM nodes
-import * as domTypes from "./dom_types.ts";
-
-export function isNode(nodeImpl: domTypes.EventTarget | null): boolean {
-  return Boolean(nodeImpl && "nodeType" in nodeImpl);
-}
-
-export function isShadowRoot(nodeImpl: domTypes.EventTarget | null): boolean {
-  return Boolean(
-    nodeImpl &&
-      nodeImpl[domTypes.eventTargetNodeType] ===
-        domTypes.NodeType.DOCUMENT_FRAGMENT_NODE &&
-      nodeImpl[domTypes.eventTargetHost] != null
-  );
-}
-
-export function isSlotable(nodeImpl: domTypes.EventTarget | null): boolean {
-  return Boolean(
-    nodeImpl &&
-      (nodeImpl[domTypes.eventTargetNodeType] ===
-        domTypes.NodeType.ELEMENT_NODE ||
-        nodeImpl[domTypes.eventTargetNodeType] === domTypes.NodeType.TEXT_NODE)
-  );
-}
-
-// https://dom.spec.whatwg.org/#node-trees
-// const domSymbolTree = Symbol("DOM Symbol Tree");
-
-// https://dom.spec.whatwg.org/#concept-shadow-including-inclusive-ancestor
-export function isShadowInclusiveAncestor(
-  ancestor: domTypes.EventTarget | null,
-  node: domTypes.EventTarget | null
-): boolean {
-  while (isNode(node)) {
-    if (node === ancestor) {
-      return true;
-    }
-
-    if (isShadowRoot(node)) {
-      node = node && node[domTypes.eventTargetHost];
-    } else {
-      node = null; // domSymbolTree.parent(node);
-    }
-  }
-
-  return false;
-}
-
-export function getRoot(
-  node: domTypes.EventTarget | null
-): domTypes.EventTarget | null {
-  const root = node;
-
-  // for (const ancestor of domSymbolTree.ancestorsIterator(node)) {
-  //   root = ancestor;
-  // }
-
-  return root;
-}
-
-// https://dom.spec.whatwg.org/#retarget
-export function retarget(
-  a: domTypes.EventTarget | null,
-  b: domTypes.EventTarget
-): domTypes.EventTarget | null {
-  while (true) {
-    if (!isNode(a)) {
-      return a;
-    }
-
-    const aRoot = getRoot(a);
-
-    if (aRoot) {
-      if (
-        !isShadowRoot(aRoot) ||
-        (isNode(b) && isShadowInclusiveAncestor(aRoot, b))
-      ) {
-        return a;
-      }
-
-      a = aRoot[domTypes.eventTargetHost];
-    }
-  }
-}