React component text representation

function getComponentText(component) {
	function traverse(node, visitor){
		return _traverse(node, visitor, {level: 0, parent: null, index: 0});
	}
	
	function _traverse(node, visitor, state){
		visitor(node, state);
	
		if (!node || !node.props) return;
		var children = React.Children.toArray(node.props.children);
	
		children.forEach((child, i) => _traverse(child, visitor, {
			level: state.level + 1, parent: node, index: i
		}));
	}
	
	let childrenText = [];
	traverse(component, (node, state) => {
		if(!!node && node.props && "string" === typeof node.props.children) {
			childrenText.push(node.props.children);
		}
	});
	
	return childrenText.join("\n").replace(/^\s+|\s+$/g, "");	
}