feat: publish Regex Tools 0.2.0

src/components/QuickReference.test.tsx

@@ -5,9 +5,9 @@ import { QuickReference } from "./QuickReference";
 
 describe("QuickReference", () => {
   it("shows flavour, flags, example and authoritative source before insertion", async () => {
-    const onInsert = vi.fn();
+    const onUsePattern = vi.fn();
     const user = userEvent.setup();
-    render(<QuickReference onInsert={onInsert} />);
+    render(<QuickReference onUsePattern={onUsePattern} />);
 
     await user.type(
       screen.getByLabelText("Filter constructs"),
@@ -20,7 +20,37 @@ describe("QuickReference", () => {
       screen.getByRole("link", { name: "ECMAScript Atom grammar" }),
     ).toHaveAttribute("href", expect.stringContaining("tc39.es"));
 
-    await user.click(screen.getByRole("button", { name: "Insert example" }));
-    expect(onInsert).toHaveBeenCalledWith("a.b");
+    await user.click(
+      screen.getByRole("button", { name: "Use example as pattern" }),
+    );
+    expect(onUsePattern).toHaveBeenCalledWith("a.b");
+  });
+
+  it("shows an explicit empty state for a filter without matches", async () => {
+    const user = userEvent.setup();
+    render(<QuickReference onUsePattern={vi.fn()} />);
+
+    await user.type(
+      screen.getByLabelText("Filter constructs"),
+      "no such construct",
+    );
+
+    expect(screen.getByRole("status")).toHaveTextContent(
+      "No reference constructs match",
+    );
+    expect(screen.getByText("0 of 12 constructs")).toBeInTheDocument();
+  });
+
+  it("switches to the authoritative PCRE2 construct set", async () => {
+    const user = userEvent.setup();
+    render(<QuickReference flavour="pcre2" onUsePattern={vi.fn()} />);
+
+    expect(screen.getByText("Original PCRE2 reference")).toBeInTheDocument();
+    expect(screen.getByText("8 of 8 constructs")).toBeInTheDocument();
+    await user.type(screen.getByLabelText("Filter constructs"), "branch reset");
+    expect(screen.getByText("Branch-reset group")).toBeInTheDocument();
+    expect(
+      screen.getByRole("link", { name: "PCRE2 pattern documentation" }),
+    ).toHaveAttribute("href", expect.stringContaining("pcre.org"));
   });
 });