feat(pwa): add base

packages/cache/src/helpers.test.ts

@@ -1,50 +0,0 @@
-import { describe, expect, it } from "vitest";
-import {
-  replaceConversation,
-  selectConversationWindows,
-  trimMessages,
-} from "./helpers";
-import type { CachedMessage, ConversationWindow } from "./schemas";
-
-const message = (SendTime: number): CachedMessage => ({
-  SenderId: 1,
-  SendTime,
-  Content: "Y2lwaGVydGV4dA==",
-  MessageState: "received",
-});
-const window = (UserId: number, LastMessageAt: number): ConversationWindow => ({
-  UserId,
-  LastMessageAt,
-  Messages: [],
-});
-
-describe("conversation cache helpers", () => {
-  it("selects the five most recent windows", () => {
-    const selected = selectConversationWindows(
-      [
-        window(1, 1),
-        window(2, 6),
-        window(3, 3),
-        window(4, 4),
-        window(5, 5),
-        window(6, 2),
-      ],
-      5,
-    );
-    expect(selected.map(({ UserId }) => UserId)).toEqual([2, 5, 4, 3, 6]);
-  });
-
-  it("replaces only the matching conversation", () => {
-    expect(
-      replaceConversation([window(1, 1), window(2, 2)], window(1, 9)),
-    ).toEqual([window(1, 9), window(2, 2)]);
-  });
-
-  it("retains the newest messages in chronological order", () => {
-    expect(
-      trimMessages([message(2), message(3), message(1)], 2).map(
-        (item) => item.SendTime,
-      ),
-    ).toEqual([2, 3]);
-  });
-});