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node_modules/@weborigami/async-tree/test/operations/reverse.test.js

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+import assert from "node:assert";
+import { describe, test } from "node:test";
+import { Tree } from "../../src/internal.js";
+import reverse from "../../src/operations/reverse.js";
+
+describe("reverse", () => {
+  test("reverses a tree's top-level keys", async () => {
+    const tree = {
+      a: "A",
+      b: "B",
+      c: "C",
+    };
+    const reversed = reverse.call(null, tree);
+    // @ts-ignore
+    assert.deepEqual(Array.from(await reversed.keys()), ["c", "b", "a"]);
+    // @ts-ignore
+    assert.deepEqual(await Tree.plain(reversed), {
+      c: "C",
+      b: "B",
+      a: "A",
+    });
+  });
+});