cloudflare--workers-sdk/packages/vite-plugin-cloudflare/playground/node-compat/worker-basic/index.ts

import assert from "node:assert/strict";
import { join } from "node:path";
// Check that we can actually import unenv polyfilled modules in user source.
import "node:perf_hooks";
// Check that `cloudflare:worker` imports work when `nodejs_compat` is enabled
import { DurableObject, WorkerEntrypoint } from "cloudflare:workers";

export class MyWorkerEntrypoint extends WorkerEntrypoint {}
export class MyDurableObject extends DurableObject {}

export default {
	async fetch() {
		return testBasicNodejsProperties();
	},
} satisfies ExportedHandler;

function testBasicNodejsProperties() {
	assert(true, "the world is broken");

	assert(join("a", "b") === "a/b", "expected posix path joining");

	const buffer1 = Buffer.of(1);
	assert(buffer1.toJSON().data[0] === 1, "Buffer is broken");

	const buffer2 = global.Buffer.of(1);
	assert(buffer2.toJSON().data[0] === 1, "global.Buffer is broken");

	const buffer3 = globalThis.Buffer.of(1);
	assert(buffer3.toJSON().data[0] === 1, "globalThis.Buffer is broken");

	assert(performance !== undefined, "performance is missing");
	assert(global.performance !== undefined, "global.performance is missing");
	assert(
		globalThis.performance !== undefined,
		"globalThis.performance is missing"
	);

	assert(Performance !== undefined, "Performance is missing");
	assert(global.Performance !== undefined, "global.Performance is missing");
	assert(
		globalThis.Performance !== undefined,
		"globalThis.Performance is missing"
	);

	return new Response(`"OK!"`);
}