feat(date-picker): support configurable week starts

2026-03-23 11:28:53 +08:00
parent 4d67f4ad76
commit c570431dba
5 changed files with 226 additions and 156 deletions
@@ -86,6 +86,39 @@ describe("DatePicker", () => {
    expect(screen.getByText("April 2028")).toBeInTheDocument();
  });

+  it("defaults to a monday-first calendar grid", () => {
+    render(
+      <DatePicker
+        aria-label="Monday-first date"
+        defaultMonth={new Date(2026, 2, 1)}
+        defaultOpen
+        locale="en-US"
+      />
+    );
+
+    const firstDay = within(screen.getByRole("grid")).getAllByRole("gridcell")[0];
+
+    expect(firstDay).toHaveAccessibleName("Feb 23, 2026");
+    expect(screen.getByText("Mon")).toBeInTheDocument();
+  });
+
+  it("supports sunday-first calendar grids when requested", () => {
+    render(
+      <DatePicker
+        aria-label="Sunday-first date"
+        defaultMonth={new Date(2026, 2, 1)}
+        defaultOpen
+        locale="en-US"
+        weekStartsOn="sunday"
+      />
+    );
+
+    const firstDay = within(screen.getByRole("grid")).getAllByRole("gridcell")[0];
+
+    expect(firstDay).toHaveAccessibleName("Mar 1, 2026");
+    expect(screen.getByText("Sun")).toBeInTheDocument();
+  });
+
  it("respects min and max dates", async () => {
    render(
      <DatePicker