chore: import upstream snapshot with attribution

packages/vite-plugin-cloudflare/playground/node-compat/worker-postgres/index.ts

@@ -0,0 +1,39 @@
+import { Client } from "pg";
+
+interface Env {
+	DB_HOSTNAME: string;
+	DB_PORT: string;
+	DB_NAME: string;
+	DB_USERNAME: string;
+	DB_PASSWORD: string;
+}
+
+export default {
+	async fetch(request, env, ctx) {
+		const client = new Client({
+			user: env.DB_USERNAME,
+			password: env.DB_PASSWORD,
+			host: env.DB_HOSTNAME,
+			port: Number(env.DB_PORT),
+			database: env.DB_NAME,
+		});
+
+		const url = new URL(request.url);
+		if (url.pathname == "/send-query") {
+			return testPostgresLibrary(client, ctx);
+		} else {
+			return new Response(client.host);
+		}
+	},
+} satisfies ExportedHandler<Env>;
+
+async function testPostgresLibrary(client: Client, ctx: ExecutionContext) {
+	await client.connect();
+	const result = await client.query(`SELECT * FROM rnacen.rnc_database`);
+	// Return the first row as JSON
+	const resp = Response.json(result.rows[0]);
+
+	// Clean up the client
+	ctx.waitUntil(client.end());
+	return resp;
+}

packages/vite-plugin-cloudflare/playground/node-compat/worker-postgres/wrangler.jsonc

@@ -0,0 +1,16 @@
+{
+	"name": "worker",
+	"main": "./index.ts",
+	"compatibility_date": "2024-12-30",
+	"compatibility_flags": ["nodejs_compat"],
+	// Default DB connection values point at 127.0.0.1.
+	// Tests override DB_HOSTNAME and DB_PORT at runtime via the vite config
+	// customizer to point at a local mock Postgres server.
+	"vars": {
+		"DB_HOSTNAME": "127.0.0.1",
+		"DB_PORT": "5432",
+		"DB_NAME": "testdb",
+		"DB_USERNAME": "testuser",
+		"DB_PASSWORD": "testpassword",
+	},
+}