fix: maintain imports in modules (#12704)

* fix: maintain imports in modules

* chore: add snapshot test

Author: paoloricciuti

packages/svelte/src/compiler/phases/3-transform/client/visitors/ImportDeclaration.js

@@ -9,7 +9,8 @@ import * as b from '../../../../utils/builders.js';
 export function ImportDeclaration(node, context) {
 	if ('hoisted' in context.state) {
 		context.state.hoisted.push(node);
+		return b.empty;
 	}
 
-	return b.empty;
+	context.next();
 }

packages/svelte/tests/snapshot/samples/imports-in-modules/_expected/client/export.js

@@ -0,0 +1 @@
+export * from '../../export.js';

packages/svelte/tests/snapshot/samples/imports-in-modules/_expected/client/index.svelte.js

@@ -0,0 +1,7 @@
+import "svelte/internal/disclose-version";
+import * as $ from "svelte/internal/client";
+import { random } from './module.svelte';
+
+export default function Imports_in_modules($$anchor) {
+	
+}

packages/svelte/tests/snapshot/samples/imports-in-modules/_expected/client/module.svelte.js

@@ -0,0 +1,5 @@
+/* module.svelte.js generated by Svelte VERSION */
+import * as $ from "svelte/internal/client";
+import { random } from './export';
+
+export { random };

packages/svelte/tests/snapshot/samples/imports-in-modules/_expected/server/export.js

@@ -0,0 +1 @@
+export * from '../../export.js';

packages/svelte/tests/snapshot/samples/imports-in-modules/_expected/server/index.svelte.js

@@ -0,0 +1,6 @@
+import * as $ from "svelte/internal/server";
+import { random } from './module.svelte';
+
+export default function Imports_in_modules($$payload) {
+	
+}

packages/svelte/tests/snapshot/samples/imports-in-modules/_expected/server/module.svelte.js

@@ -0,0 +1,5 @@
+/* module.svelte.js generated by Svelte VERSION */
+import * as $ from "svelte/internal/server";
+import { random } from './export';
+
+export { random };

packages/svelte/tests/snapshot/samples/imports-in-modules/export.js

@@ -0,0 +1 @@
+export const random = 42;

packages/svelte/tests/snapshot/samples/imports-in-modules/index.svelte

@@ -0,0 +1,3 @@
+<script>
+	import { random } from './module.svelte';
+</script>

packages/svelte/tests/snapshot/samples/imports-in-modules/module.svelte.js

@@ -0,0 +1,3 @@
+import { random } from './export';
+
+export { random };