feat(shared/lib): add cn utility (clsx + tailwind-merge)

vitest.unit.config.ts

@@ -0,0 +1,34 @@
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { svelte } from "@sveltejs/vite-plugin-svelte";
+import { defineConfig } from "vitest/config";
+
+const dirname =
+	typeof __dirname !== "undefined"
+		? __dirname
+		: path.dirname(fileURLToPath(import.meta.url));
+
+export default defineConfig({
+	plugins: [
+		svelte({
+			hot: !process.env.VITEST,
+		}),
+	],
+	test: {
+		globals: true,
+		environment: "jsdom",
+		setupFiles: ["./src/tests/setup.ts"],
+		include: ["src/**/*.{test,spec}.{js,ts}"],
+		exclude: ["src/tests/e2e/**/*.{test,spec}.{js,ts}"],
+	},
+	resolve: {
+		alias: {
+			$lib: path.resolve("./src/lib"),
+			$shared: path.resolve("./src/shared"),
+			$pages: path.resolve("./src/pages"),
+			$features: path.resolve("./src/features"),
+			$entities: path.resolve("./src/entities"),
+			$widgets: path.resolve("./src/widgets"),
+		},
+	},
+});