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import { visit } from './visit.js';
/**
* Maps all nodes to their parent node recursively.
*
* @param {import('../types.js').XastParent} node
* @returns {Map<import('../types.js').XastNode, import('../types.js').XastParent>}
*/
export function mapNodesToParents(node) {
/** @type {Map<import('../types.js').XastNode, import('../types.js').XastParent>} */
const parents = new Map();
for (const child of node.children) {
parents.set(child, node);
visit(
child,
{
element: {
enter: (child, parent) => {
parents.set(child, parent);
},
},
},
node,
);
}
return parents;
}