src/vs/base/common/json.ts/getNodePath
export function getNodePath(node: Node): JSONPath {
	if (!node.parent || !node.parent.children) {
		return [];
	}
	const path = getNodePath(node.parent);
	if (node.parent.type === 'property') {
		const key = node.parent.children[0].value;
		path.push(key);
	} else if (node.parent.type === 'array') {
		const index = node.parent.children.indexOf(node);
		if (index !== -1) {
			path.push(index);
		}
	}
	return path;
}