feat: init

node_modules/svgo/lib/util/map-nodes-to-parents.js

@@ -0,0 +1,29 @@
+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;
+}