Refactor: remove Deno shim to esbuild "banner" (#3734)

* refactor: remove Deno shim to esbuild "banner"

* refactor: move shim to const

* refactor: add shim to netlify edge

* chore: changeset

3 files changed, 8 insertions, 5 deletions

diff --git a/packages/integrations/netlify/src/edge-shim.ts b/packages/integrations/netlify/src/edge-shim.ts
deleted file mode 100644
index 1a4a6ee9b..000000000
--- a/packages/integrations/netlify/src/edge-shim.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-(globalThis as any).process = {
-	argv: [],
-	env: {},
-};
diff --git a/packages/integrations/netlify/src/integration-edge-functions.ts b/packages/integrations/netlify/src/integration-edge-functions.ts
index 72788abaf..17eaf8350 100644
--- a/packages/integrations/netlify/src/integration-edge-functions.ts
+++ b/packages/integrations/netlify/src/integration-edge-functions.ts
@@ -6,6 +6,11 @@ import { fileURLToPath } from 'url';
 import type { Plugin as VitePlugin } from 'vite';
 import { createRedirects } from './shared.js';
 
+const SHIM = `globalThis.process = {
+	argv: [],
+	env: {},
+};`;
+
 export function getAdapter(): AstroAdapter {
 	return {
 		name: '@astrojs/netlify/edge-functions',
@@ -78,6 +83,9 @@ async function bundleServerEntry(buildConfig: BuildConfig, vite: any) {
 		format: 'esm',
 		bundle: true,
 		external: ['@astrojs/markdown-remark'],
+		banner: {
+			js: SHIM,
+		}
 	});
 
 	// Remove chunks, if they exist. Since we have bundled via esbuild these chunks are trash.
diff --git a/packages/integrations/netlify/src/netlify-edge-functions.ts b/packages/integrations/netlify/src/netlify-edge-functions.ts
index 8d3ecf107..0d2974c61 100644
--- a/packages/integrations/netlify/src/netlify-edge-functions.ts
+++ b/packages/integrations/netlify/src/netlify-edge-functions.ts
@@ -1,6 +1,5 @@
 import type { SSRManifest } from 'astro';
 import { App } from 'astro/app';
-import './edge-shim.js';
 
 export function createExports(manifest: SSRManifest) {
 	const app = new App(manifest);