| /** |
| * @license |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import { DomScope } from './types'; |
| |
| export function ownerDocument(scope: DomScope): Document { |
| if ('commonAncestorContainer' in scope) |
| return scope.commonAncestorContainer.ownerDocument; |
| else |
| return scope.ownerDocument; |
| } |
| |
| export function rangeFromScope(scope: DomScope | null): Range { |
| if ('commonAncestorContainer' in scope) { |
| return scope; |
| } |
| |
| const document = scope.ownerDocument; |
| const range = document.createRange(); |
| |
| range.selectNodeContents(scope); |
| |
| return range; |
| } |