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node_modules/@weborigami/async-tree/src/operations/deepReverse.js

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+import { Tree } from "../internal.js";
+
+/**
+ * Reverse the order of keys at all levels of the tree.
+ *
+ * @typedef  {import("@weborigami/types").AsyncTree} AsyncTree
+ * @typedef {import("../../index.ts").Treelike} Treelike
+ *
+ * @param {Treelike} treelike
+ * @returns {AsyncTree}
+ */
+export default function deepReverse(treelike) {
+  if (!treelike) {
+    const error = new TypeError(
+      `deepReverse: The tree to reverse isn't defined.`
+    );
+    /** @type {any} */ (error).position = 0;
+    throw error;
+  }
+
+  const tree = Tree.from(treelike, { deep: true });
+  return {
+    async get(key) {
+      let value = await tree.get(key);
+      if (Tree.isAsyncTree(value)) {
+        value = deepReverse(value);
+      }
+      return value;
+    },
+
+    async keys() {
+      const keys = Array.from(await tree.keys());
+      keys.reverse();
+      return keys;
+    },
+  };
+}