fix: don't mutate the external input array

lifeomic · Oct 9, 2024 · bd07265 · bd07265
1 parent b0de995
commit bd07265
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/bundle.ts b/src/bundle.ts
@@ -57,12 +57,15 @@ export const bundle = async ({
   cwd,
   includeAwsSdk = false,
   artifactPrefix = '',
-  esbuild: { external = [], ...esbuild } = {},
+  esbuild = {},
 }: BundleOptions) => {
   const entryPoints = (typeof entries === 'string' ? [entries] : entries)
     .map((pattern) => glob.sync(pattern, cwd ? { cwd } : undefined))
     .flat();
 
+  // Copy the array, so that we don't mutate the input.
+  const external = [...(esbuild.external ?? [])];
+
   if (!includeAwsSdk) {
     /**
      * Don't bundle the AWS SDK, since it is natively available