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/**
* @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 type { DomScope } from './types';
export function ownerDocument(scope: DomScope): Document {
const node = isRange(scope) ? scope.commonAncestorContainer : scope;
return node.ownerDocument || (node as Document);
}
export function rangeFromScope(scope: DomScope): Range {
if (isRange(scope)) {
return scope;
}
const range = ownerDocument(scope).createRange();
range.selectNodeContents(scope);
return range;
}
function isRange(scope: DomScope): scope is Range {
return 'collapsed' in scope;
}