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/**
* Copyright 2022 Google Inc. All rights reserved.
*
* Licensed 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 {
createTextContent,
isSuitableNodeForTextMatching,
} from './TextContent.js';
/**
* Queries the given node for all nodes matching the given text selector.
*
* @internal
*/
export const textQuerySelectorAll = function* (
root: Node,
selector: string
): Generator<Element> {
let yielded = false;
for (const node of root.childNodes) {
if (node instanceof Element && isSuitableNodeForTextMatching(node)) {
let matches: Generator<Element, boolean>;
if (!node.shadowRoot) {
matches = textQuerySelectorAll(node, selector);
} else {
matches = textQuerySelectorAll(node.shadowRoot, selector);
}
for (const match of matches) {
yield match;
yielded = true;
}
}
}
if (yielded) {
return;
}
if (root instanceof Element && isSuitableNodeForTextMatching(root)) {
const textContent = createTextContent(root);
if (textContent.full.includes(selector)) {
yield root;
}
}
};
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