From afefafe0aa16f4b471571a19efd0db7cabb53e76 Mon Sep 17 00:00:00 2001
From: ComputerGuy <63362464+Ocean-OS@users.noreply.github.com>
Date: Thu, 31 Jul 2025 16:25:10 -0700
Subject: [PATCH] fix: emit `snippet_invalid_export` instead of
 `undefined_export` for exported snippets

---
 .changeset/thick-snakes-look.md                        | 5 +++++
 packages/svelte/src/compiler/phases/2-analyze/index.js | 9 ++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/thick-snakes-look.md

diff --git a/.changeset/thick-snakes-look.md b/.changeset/thick-snakes-look.md
new file mode 100644
index 0000000000..f5f22e8a6c
--- /dev/null
+++ b/.changeset/thick-snakes-look.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: emit `snippet_invalid_export` instead of `undefined_export` for exported snippets
diff --git a/packages/svelte/src/compiler/phases/2-analyze/index.js b/packages/svelte/src/compiler/phases/2-analyze/index.js
index cd44fd998a..88b181d9da 100644
--- a/packages/svelte/src/compiler/phases/2-analyze/index.js
+++ b/packages/svelte/src/compiler/phases/2-analyze/index.js
@@ -789,7 +789,14 @@ export function analyze_component(root, source, options) {
 				if (specifier.local.type !== 'Identifier') continue;
 
 				const binding = analysis.module.scope.get(specifier.local.name);
-				if (!binding) e.export_undefined(specifier, specifier.local.name);
+				if (!binding) {
+					const instance_binding = analysis.instance.scope.get(specifier.local.name);
+					if (instance_binding?.kind === 'snippet') {
+						e.snippet_invalid_export(specifier);
+					} else {
+						e.export_undefined(specifier, specifier.local.name);
+					}
+				}
 			}
 		}
 	}