Updates used for testing preactjs/preact-iso#130

Author: octogonz

src/test.js

@@ -0,0 +1,72 @@
+import { h, FunctionalComponent } from "preact";
+import { Router, Route } from "preact-iso";
+
+const A: FunctionalComponent = () => <div>A</div>;
+const B: FunctionalComponent = () => <div>B</div>;
+const C: FunctionalComponent = () => <div>C</div>;
+
+export function RoutingTestCases() {
+  return (
+    <>
+      {/* =========================================
+          CASE GROUP 1: <Route /> (official API)
+         ========================================= */}
+
+      {/* Case 1 */}
+      {/* (1) SHOULD work: yes */}
+      {/* (2) DOES work with official d.ts: yes */}
+      <Route path="/a" component={A} />
+
+      {/* Case 2 */}
+      {/* (1) SHOULD work: yes */}
+      {/* (2) DOES work with official d.ts: yes */}
+      <Route default component={B} />
+
+      {/* Case 3 */}
+      {/* (1) SHOULD work: no */}
+      {/* (2) DOES work with official d.ts: no */}
+      {/* @ts-expect-error */}
+      <Route />
+
+      {/* Case 4 */}
+      {/* (1) SHOULD work: no */}
+      {/* (2) DOES work with official d.ts: no */}
+      {/* @ts-expect-error */}
+      <Route path="/bad" default component={A} />
+
+      {/* =========================================
+          CASE GROUP 2: Arbitrary components inside <Router>
+         ========================================= */}
+
+      <Router>
+        {/* Case 5 */}
+        {/* (1) SHOULD work: yes */}
+        {/* (2) DOES work with official d.ts: yes */}
+        <A />
+
+        {/* Case 6 */}
+        {/* (1) SHOULD work: runtime yes, type-safety debatable */}
+        {/* (2) DOES work with official d.ts: no */}
+        {/* @ts-expect-error */}
+        <A path="/a" />
+
+        {/* Case 7 */}
+        {/* (1) SHOULD work: runtime yes, type-safety debatable */}
+        {/* (2) DOES work with official d.ts: no */}
+        {/* @ts-expect-error */}
+        <B default />
+
+        {/* Case 8 */}
+        {/* (1) SHOULD work: no */}
+        {/* (2) DOES work with official d.ts: no */}
+        {/* @ts-expect-error */}
+        <C path="/c" default />
+
+        {/* Case 9 */}
+        {/* (1) SHOULD work: yes */}
+        {/* (2) DOES work with official d.ts: yes */}
+        <C />
+      </Router>
+    </>
+  );
+}

src/test.ts

@@ -3,7 +3,9 @@
     "outDir": "lib",
     "rootDir": "src",
 
-    "jsx": "react",
+    "jsx": "react-jsx",
+    "jsxImportSource": "preact",
+
     "declaration": true,
     "strict": true,
     "esModuleInterop": true,
@@ -14,6 +16,8 @@
     "moduleResolution": "node",
     "target": "es2022",
     "lib": ["es2022", "dom"],
+
+    "skipLibCheck": false
   },
   "include": ["src/**/*.ts", "src/**/*.tsx"]
 }