chore: import upstream snapshot with attribution

packages/vite-plugin-cloudflare/playground/node-compat/worker-basic/global.d.ts

@@ -0,0 +1,2 @@
+declare let performance: Performance;
+declare let Performance: typeof Performance;

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

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+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!"`);
+}

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

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+{
+	"name": "worker",
+	"main": "./index.ts",
+	"compatibility_date": "2024-12-30",
+	"compatibility_flags": ["nodejs_compat"],
+	"services": [
+		{
+			"binding": "MY_SERVICE",
+			"service": "worker",
+			"entrypoint": "MyWorkerEntrypoint",
+		},
+	],
+	"durable_objects": {
+		"bindings": [
+			{
+				"name": "MY_DO",
+				"class_name": "MyDurableObject",
+			},
+		],
+	},
+	"migrations": [
+		{
+			"tag": "v1",
+			"new_classes": ["MyDurableObject"],
+		},
+	],
+}