Fix vercel edge private env vars (#6841)

withastro · Apr 14, 2023 · 2e3125e · 2e3125e
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diff --git a/.changeset/blue-moons-cough.md b/.changeset/blue-moons-cough.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/vercel': patch
+---
+
+Fix vercel edge private environment variables usage
diff --git a/packages/integrations/vercel/src/edge/adapter.ts b/packages/integrations/vercel/src/edge/adapter.ts
@@ -85,6 +85,13 @@ export default function vercelEdge({
 
 					vite.ssr ||= {};
 					vite.ssr.target ||= 'webworker';
+
+					// Vercel edge runtime is a special webworker-ish environment that supports process.env,
+					// but Vite would replace away `process.env` in webworkers, so we set a define here to prevent it
+					vite.define = {
+						'process.env': 'process.env',
+						...vite.define,
+					};
 				}
 			},
 			'astro:build:done': async ({ routes }) => {