通过dom获取react节点

• Z时代
• 2024-01-10
• 分类：综合

window.FindReact = function(dom) {
    let key = Object.keys(dom).find(key=>key.startsWith("__reactInternalInstance$"));
    let internalInstance = dom[key];
    if (internalInstance == null) return null;
    if (internalInstance.return) { // react 16+
        return internalInstance._debugOwner
            ? internalInstance._debugOwner.stateNode
            : internalInstance.return.stateNode;
    } else { // react <16
        return internalInstance._currentElement._owner._instance;
    }
}

出处：https://stackoverflow.com/questions/47166101/is-it-possible-to-retrieve-a-components-instance-from-a-react-fiber/58968770#58968770

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