vite-plugin: update unenv preset dependency (#8365)

* update vite-plugin to use the latest unenv-preset

* revert side-effect update

This should be covered by the field in `dist/runtime/polyfill/package.json`.

Author: petebacondarwin

.changeset/cold-baths-knock.md

@@ -0,0 +1,5 @@
+---
+"@cloudflare/vite-plugin": patch
+---
+
+update vite-plugin to use the latest unenv-preset

packages/vite-plugin-cloudflare/package.json

@@ -42,11 +42,11 @@
 		"test:watch": "vitest"
 	},
 	"dependencies": {
-		"@cloudflare/unenv-preset": "1.1.1",
+		"@cloudflare/unenv-preset": "workspace:*",
 		"@hattip/adapter-node": "^0.0.49",
 		"miniflare": "workspace:*",
 		"tinyglobby": "^0.2.12",
-		"unenv": "2.0.0-rc.1",
+		"unenv": "2.0.0-rc.15",
 		"wrangler": "workspace:*",
 		"ws": "catalog:default"
 	},

packages/vite-plugin-cloudflare/src/node-js-compat.ts

@@ -61,8 +61,14 @@ export function injectGlobalCode(id: string, code: string) {
 		})
 		.join("\n");
 
+	// Some globals are not injected using the approach above but are added to globalThis via side-effect imports of polyfills from the unenv-preset.
+	const polyfillCode = env.polyfill
+		.map((polyfillPath) => `import "${polyfillPath}";\n`)
+		.join("");
+
 	const modified = new MagicString(code);
 	modified.prepend(injectedCode);
+	modified.prepend(polyfillCode);
 	return {
 		code: modified.toString(),
 		map: modified.generateMap({ hires: "boundary", source: id }),
@@ -100,8 +106,10 @@ export function resolveNodeJSImport(source: string) {
  * Gets a set of module specifiers for all possible Node.js compat polyfill entry-points
  */
 function getNodeCompatEntries() {
+	// Include all the alias targets
 	const entries = new Set<string>(Object.values(env.alias));
 
+	// Include all the injection targets
 	for (const globalInject of Object.values(env.inject)) {
 		if (typeof globalInject === "string") {
 			entries.add(globalInject);
@@ -114,6 +122,10 @@ function getNodeCompatEntries() {
 		}
 	}
 
+	// Include all the polyfills
+	env.polyfill.forEach((polyfill) => entries.add(polyfill));
+
+	// Exclude all the externals
 	nodeCompatExternals.forEach((external) => entries.delete(external));
 
 	return entries;