Custom add and create flow polish

tests/lib/methodCardCustomizeSession.test.ts

@@ -0,0 +1,93 @@
+import type { CustomMethodCardFieldBlock } from "../../lib/create/customMethodCardFieldBlocks";
+import { describe, expect, it, vi } from "vitest";
+import {
+  captureMethodCardCustomizeSnapshot,
+  confirmDiscardMethodCardCustomizeSession,
+  isMethodCardCustomizeSessionDirty,
+} from "../../lib/create/methodCardCustomizeSession";
+
+const HEADER_0 = { title: "", description: "" };
+
+describe("methodCardCustomizeSession", () => {
+  it("reports clean session when pendingDraft and blocks match snapshot", () => {
+    const draft = { a: 1, b: [2] };
+    const snap = captureMethodCardCustomizeSnapshot(draft, null, HEADER_0);
+    expect(
+      isMethodCardCustomizeSessionDirty(snap, { ...draft }, null, HEADER_0),
+    ).toBe(false);
+  });
+
+  it("reports dirty when pendingDraft JSON differs", () => {
+    const snap = captureMethodCardCustomizeSnapshot({ x: "one" }, null, HEADER_0);
+    expect(
+      isMethodCardCustomizeSessionDirty(snap, { x: "two" }, null, HEADER_0),
+    ).toBe(true);
+  });
+
+  it("reports dirty when field blocks differ", () => {
+    const before: CustomMethodCardFieldBlock[] = [
+      { kind: "text", id: "b1", blockTitle: "t", placeholderText: "" },
+    ];
+    const snap = captureMethodCardCustomizeSnapshot({ ok: true }, before, HEADER_0);
+    const after: CustomMethodCardFieldBlock[] = [
+      {
+        kind: "text",
+        id: "b1",
+        blockTitle: "t",
+        placeholderText: "edited",
+      },
+    ];
+    expect(
+      isMethodCardCustomizeSessionDirty(snap, { ok: true }, after, HEADER_0),
+    ).toBe(true);
+  });
+
+  it("reports dirty when header draft differs", () => {
+    const snap = captureMethodCardCustomizeSnapshot({ ok: true }, null, {
+      title: "A",
+      description: "B",
+    });
+    expect(
+      isMethodCardCustomizeSessionDirty(
+        snap,
+        { ok: true },
+        null,
+        { title: "A2", description: "B" },
+      ),
+    ).toBe(true);
+  });
+
+  it("confirmDiscard skips confirm when unlocked but snapshot missing", () => {
+    const spy = vi.spyOn(window, "confirm");
+    expect(
+      confirmDiscardMethodCardCustomizeSession(
+        true,
+        null,
+        { x: 1 },
+        null,
+        null,
+        "msg",
+      ),
+    ).toBe(true);
+    expect(spy).not.toHaveBeenCalled();
+    spy.mockRestore();
+  });
+
+  it("confirmDiscard runs confirm when dirty", () => {
+    const spy = vi.spyOn(window, "confirm").mockReturnValue(false);
+    const draft = { n: 1 };
+    const snap = captureMethodCardCustomizeSnapshot(draft, null, HEADER_0);
+    expect(
+      confirmDiscardMethodCardCustomizeSession(
+        true,
+        snap,
+        { n: 2 },
+        null,
+        HEADER_0,
+        "Discard?",
+      ),
+    ).toBe(false);
+    expect(spy).toHaveBeenCalledWith("Discard?");
+    spy.mockRestore();
+  });
+});