04/01: add custom matcher solution

Author: kettanaito

exercises/04.assertions/01.solution.custom-matchers/index.html

@@ -2,23 +2,14 @@
   "type": "module",
   "name": "exercises_04.assertions_01.solution.custom-matchers",
   "scripts": {
-    "dev": "vite",
-    "test": "vitest",
-    "build": "vite build"
-  },
-  "dependencies": {
-    "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "test": "vitest"
   },
   "devDependencies": {
-    "@tailwindcss/vite": "^4.0.7",
-    "@types/react": "^19.0.6",
-    "@types/react-dom": "^19.0.3",
-    "@vitejs/plugin-react": "^4.3.4",
-    "@vitest/browser": "^3.0.5",
-    "tailwindcss": "^4.0.7",
+    "@types/node": "^22.13.10",
     "vite": "^6.0.7",
-    "vitest": "^3.0.5",
-    "vitest-browser-react": "^0.0.4"
+    "vitest": "^3.0.5"
+  },
+  "dependencies": {
+    "zod": "^3.24.2"
   }
 }

exercises/04.assertions/01.solution.custom-matchers/package.json

@@ -0,0 +1,11 @@
+import type { User } from './schemas'
+
+/**
+ * Returns the user with the given ID.
+ */
+export async function fetchUser(id: string): Promise<User> {
+	return {
+		id,
+		name: 'John Maverick',
+	}
+}

exercises/04.assertions/01.solution.custom-matchers/public/vite.svg

@@ -0,0 +1,8 @@
+import z from 'zod'
+
+export const userSchema = z.object({
+	id: z.string(),
+	name: z.string(),
+})
+
+export type User = z.infer<typeof userSchema>