fix: Error reporting fails on undefined error index (#5539)

* fix: Error reporting fails on undefined error index * fix: add changeset * Update .changeset/slow-cherries-bake.md Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>
withastro · Dec 8, 2022 · 2c836b9 · 2c836b9
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diff --git a/.changeset/slow-cherries-bake.md b/.changeset/slow-cherries-bake.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Error reporting fails on undefined error index
diff --git a/packages/astro/src/core/errors/dev/utils.ts b/packages/astro/src/core/errors/dev/utils.ts
@@ -20,7 +20,7 @@ export const incompatPackageExp = new RegExp(`(${Object.keys(incompatiblePackage
  * Useful for consistent reporting regardless of where the error surfaced from.
  */
 export function collectErrorMetadata(e: any, rootFolder?: URL | undefined): ErrorWithMetadata {
-	const err = AggregateError.is(e) ? (e.errors as SSRError[]) : [e as SSRError];
+	const err = AggregateError.is(e) || Array.isArray((e as any).errors) ? (e.errors as SSRError[]) : [e as SSRError];
 
 	err.forEach((error) => {
 		if (error.stack) {