fix: allow exports with source from script module even if no bind is present (#14620)

* fix: allow exports with source from script module even if no bind is present

* chore: move test to validator

Author: paoloricciuti

.changeset/four-carrots-burn.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: allow exports with source from script module even if no bind is present

packages/svelte/src/compiler/phases/2-analyze/index.js

@@ -698,7 +698,7 @@ export function analyze_component(root, source, options) {
 	}
 
 	for (const node of analysis.module.ast.body) {
-		if (node.type === 'ExportNamedDeclaration' && node.specifiers !== null) {
+		if (node.type === 'ExportNamedDeclaration' && node.specifiers !== null && node.source == null) {
 			for (const specifier of node.specifiers) {
 				if (specifier.local.type !== 'Identifier') continue;
 

packages/svelte/tests/validator/samples/export-not-defined-module-with-source/errors.json

@@ -0,0 +1 @@
+[]

packages/svelte/tests/validator/samples/export-not-defined-module-with-source/input.svelte

@@ -0,0 +1,3 @@
+<script module>
+	export { something } from "./something.js";
+</script>