1 files changed, 56 insertions, 0 deletions
diff --git a/remote/test/puppeteer/packages/puppeteer-core/src/injected/TextQuerySelector.ts b/remote/test/puppeteer/packages/puppeteer-core/src/injected/TextQuerySelector.ts
new file mode 100644
index 0000000000..eebd59f675
--- /dev/null
+++ b/remote/test/puppeteer/packages/puppeteer-core/src/injected/TextQuerySelector.ts
@@ -0,0 +1,56 @@
+/**
+ * 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;
+    }
+  }
+};