feat(widgets): persist Beszel and Docker table layouts (#6490)

packages/widgets/src/docker/component.spec.ts

@@ -0,0 +1,33 @@
+import { describe, expect, test } from "vitest";
+
+import { parseColumnOrder, parseColumnWidths } from "../common/use-persisted-table-layout";
+
+const columnAccessors = ["name", "state", "host", "cpuUsage", "memoryUsage", "actions"];
+
+describe("Docker table column layout options", () => {
+  test("ignores malformed column layout JSON", () => {
+    expect(parseColumnOrder("{", columnAccessors)).toEqual([]);
+    expect(parseColumnWidths("[]", columnAccessors)).toEqual({});
+  });
+
+  test("removes stale and duplicate column accessors", () => {
+    expect(
+      parseColumnOrder(JSON.stringify(["memoryUsage", "removed", "name", "memoryUsage"]), columnAccessors),
+    ).toEqual(["memoryUsage", "name"]);
+  });
+
+  test("keeps only finite positive widths for known columns", () => {
+    expect(
+      parseColumnWidths(
+        JSON.stringify({
+          name: 180,
+          state: -1,
+          host: "120px",
+          removed: 100,
+          actions: null,
+        }),
+        columnAccessors,
+      ),
+    ).toEqual({ name: 180 });
+  });
+});