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fix: Detects React 17+ first (#15343)

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Maël Nison 2022-07-05 16:49:31 +02:00 committed by GitHub
parent f87fe1fbca
commit 7609785d53
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1 changed files with 10 additions and 10 deletions
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20
packages/playwright-core/src/server/injected/reactSelectorEngine.ts
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@ -145,17 +145,17 @@ function findReactRoots(root: Document | ShadowRoot, roots: ReactVNode[] = []):
const walker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
do {
const node = walker.currentNode;
// ReactDOM Legacy client API:
// @see https://github.com/baruchvlz/resq/blob/5c15a5e04d3f7174087248f5a158c3d6dcc1ec72/src/utils.js#L329
if (node.hasOwnProperty('_reactRootContainer')) {
// React 17+
// React sets rootKey when mounting
// @see https://github.com/facebook/react/blob/a724a3b578dce77d427bef313102a4d0e978d9b4/packages/react-dom/src/client/ReactDOMComponentTree.js#L62-L64
const rootKey = Object.keys(node).find(key => key.startsWith('__reactContainer'));
if (rootKey) {
roots.push((node as any)[rootKey].stateNode.current);
} else if (node.hasOwnProperty('_reactRootContainer')) {
// ReactDOM Legacy client API:
// @see https://github.com/baruchvlz/resq/blob/5c15a5e04d3f7174087248f5a158c3d6dcc1ec72/src/utils.js#L329
roots.push((node as any)._reactRootContainer._internalRoot.current);
} else {
// React 17+
// React sets rootKey when mounting
// @see https://github.com/facebook/react/blob/a724a3b578dce77d427bef313102a4d0e978d9b4/packages/react-dom/src/client/ReactDOMComponentTree.js#L62-L64
const rootKey = Object.keys(node).find(key => key.startsWith('__reactContainer'));
if (rootKey)
roots.push((node as any)[rootKey].stateNode.current);
}
// Pre-react 16: rely on `data-reactroot`