Fix global is not defined on vercel edge (#6425)

* Fix `global is not defined` on vercel edge * Update packages/adapter-vercel/index.js Co-authored-by: Rich Harris <hello@rich-harris.dev>
sveltejs · Aug 30, 2022 · 4b48d1b · 4b48d1b
1 parent 863a546
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diff --git a/.changeset/rare-wolves-deliver.md b/.changeset/rare-wolves-deliver.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-vercel': patch
+---
+
+Fix `global is not defined` runtime error building with `edge: true` option
diff --git a/packages/adapter-vercel/index.js b/packages/adapter-vercel/index.js
@@ -189,7 +189,8 @@ export default function ({ external = [], edge, split } = {}) {
 					platform: 'browser',
 					format: 'esm',
 					external,
-					sourcemap: 'linked'
+					sourcemap: 'linked',
+					banner: { js: 'globalThis.global = globalThis;' }
 				});
 
 				write(