From ed16aa2a8196f626f8c876781c3a325de11c976f Mon Sep 17 00:00:00 2001
From: paoloricciuti <ricciutipaolo@gmail.com>
Date: Wed, 25 Jun 2025 00:21:29 +0200
Subject: [PATCH] fix: use `compileOption.runes` if defined + add other tests

---
 packages/svelte/tests/runtime-legacy/shared.ts  |  5 ++++-
 .../_config.js                                  |  3 +++
 .../_config.js                                  | 17 +++++++++++++++++
 .../main.svelte                                 |  9 +++++++++
 .../test.svelte.js                              |  9 +++++++++
 .../_config.js                                  | 17 +++++++++++++++++
 .../main.svelte                                 |  9 +++++++++
 .../test.svelte.js                              |  9 +++++++++
 .../_config.js                                  |  3 +++
 .../_config.js                                  | 17 +++++++++++++++++
 .../main.svelte                                 |  9 +++++++++
 .../test.svelte.js                              |  9 +++++++++
 .../_config.js                                  | 17 +++++++++++++++++
 .../main.svelte                                 | 10 ++++++++++
 .../test.svelte.js                              |  9 +++++++++
 .../_config.js                                  |  5 ++++-
 .../samples/legacy-runes-ambiguous/_config.js   |  3 +++
 17 files changed, 158 insertions(+), 2 deletions(-)
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/_config.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/main.svelte
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/test.svelte.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/_config.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/main.svelte
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/test.svelte.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/_config.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/main.svelte
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/test.svelte.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/_config.js
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/main.svelte
 create mode 100644 packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/test.svelte.js

diff --git a/packages/svelte/tests/runtime-legacy/shared.ts b/packages/svelte/tests/runtime-legacy/shared.ts
index 11ea9f6dda..126992a0c0 100644
--- a/packages/svelte/tests/runtime-legacy/shared.ts
+++ b/packages/svelte/tests/runtime-legacy/shared.ts
@@ -158,7 +158,10 @@ async function common_setup(cwd: string, runes: boolean | undefined, config: Run
 		...config.compileOptions,
 		immutable: config.immutable,
 		accessors: 'accessors' in config ? config.accessors : true,
-		runes
+		runes:
+			config.compileOptions && 'runes' in config.compileOptions
+				? config.compileOptions.runes
+				: runes
 	};
 
 	// load_compiled can be used for debugging a test. It means the compiler will not run on the input
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-explicit-false/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-explicit-false/_config.js
index 002b66b8e3..904fea3f65 100644
--- a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-explicit-false/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-explicit-false/_config.js
@@ -3,6 +3,9 @@ import { test } from '../../test';
 
 export default test({
 	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
 	async test({ assert, target }) {
 		const p = target.querySelector('p');
 		const btn = target.querySelector('button');
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/_config.js
new file mode 100644
index 0000000000..904fea3f65
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/_config.js
@@ -0,0 +1,17 @@
+import { flushSync } from 'svelte';
+import { test } from '../../test';
+
+export default test({
+	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
+	async test({ assert, target }) {
+		const p = target.querySelector('p');
+		const btn = target.querySelector('button');
+		flushSync(() => {
+			btn?.click();
+		});
+		assert.equal(p?.innerHTML, '0');
+	}
+});
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/main.svelte b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/main.svelte
new file mode 100644
index 0000000000..a7370b48d6
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/main.svelte
@@ -0,0 +1,9 @@
+<script>
+	import { get, set } from "./test.svelte.js";
+
+	$$props;
+</script>
+
+<p>{get()}</p>
+
+<button onclick={()=>set()}></button>
\ No newline at end of file
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/test.svelte.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/test.svelte.js
new file mode 100644
index 0000000000..f0e7181c29
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$props/test.svelte.js
@@ -0,0 +1,9 @@
+let count = $state(0);
+
+export function get() {
+	return count;
+}
+
+export function set() {
+	count++;
+}
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/_config.js
new file mode 100644
index 0000000000..904fea3f65
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/_config.js
@@ -0,0 +1,17 @@
+import { flushSync } from 'svelte';
+import { test } from '../../test';
+
+export default test({
+	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
+	async test({ assert, target }) {
+		const p = target.querySelector('p');
+		const btn = target.querySelector('button');
+		flushSync(() => {
+			btn?.click();
+		});
+		assert.equal(p?.innerHTML, '0');
+	}
+});
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/main.svelte b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/main.svelte
new file mode 100644
index 0000000000..ccf9bd2864
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/main.svelte
@@ -0,0 +1,9 @@
+<script>
+	import { get, set } from "./test.svelte.js";
+
+	$$restProps;
+</script>
+
+<p>{get()}</p>
+
+<button onclick={()=>set()}></button>
\ No newline at end of file
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/test.svelte.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/test.svelte.js
new file mode 100644
index 0000000000..f0e7181c29
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-$$restProps/test.svelte.js
@@ -0,0 +1,9 @@
+let count = $state(0);
+
+export function get() {
+	return count;
+}
+
+export function set() {
+	count++;
+}
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-const/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-const/_config.js
index 0610aed865..2d72de6d13 100644
--- a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-const/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-const/_config.js
@@ -3,6 +3,9 @@ import { test } from '../../test';
 
 export default test({
 	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
 	async test({ assert, target }) {
 		const p = target.querySelector('p');
 		const btn = target.querySelector('button');
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/_config.js
new file mode 100644
index 0000000000..904fea3f65
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/_config.js
@@ -0,0 +1,17 @@
+import { flushSync } from 'svelte';
+import { test } from '../../test';
+
+export default test({
+	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
+	async test({ assert, target }) {
+		const p = target.querySelector('p');
+		const btn = target.querySelector('button');
+		flushSync(() => {
+			btn?.click();
+		});
+		assert.equal(p?.innerHTML, '0');
+	}
+});
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/main.svelte b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/main.svelte
new file mode 100644
index 0000000000..f7cd0ede2e
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/main.svelte
@@ -0,0 +1,9 @@
+<script>
+	import { get, set } from "./test.svelte.js";
+
+	$: console.log("");
+</script>
+
+<p>{get()}</p>
+
+<button onclick={()=>set()}></button>
\ No newline at end of file
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/test.svelte.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/test.svelte.js
new file mode 100644
index 0000000000..f0e7181c29
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-labeled/test.svelte.js
@@ -0,0 +1,9 @@
+let count = $state(0);
+
+export function get() {
+	return count;
+}
+
+export function set() {
+	count++;
+}
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/_config.js
new file mode 100644
index 0000000000..904fea3f65
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/_config.js
@@ -0,0 +1,17 @@
+import { flushSync } from 'svelte';
+import { test } from '../../test';
+
+export default test({
+	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
+	async test({ assert, target }) {
+		const p = target.querySelector('p');
+		const btn = target.querySelector('button');
+		flushSync(() => {
+			btn?.click();
+		});
+		assert.equal(p?.innerHTML, '0');
+	}
+});
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/main.svelte b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/main.svelte
new file mode 100644
index 0000000000..36becde4a3
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/main.svelte
@@ -0,0 +1,10 @@
+<script>
+	import { get, set } from "./test.svelte.js";
+
+	export let x = 42;
+</script>
+
+{x}
+<p>{get()}</p>
+
+<button onclick={()=>set()}></button>
\ No newline at end of file
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/test.svelte.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/test.svelte.js
new file mode 100644
index 0000000000..f0e7181c29
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let-2/test.svelte.js
@@ -0,0 +1,9 @@
+let count = $state(0);
+
+export function get() {
+	return count;
+}
+
+export function set() {
+	count++;
+}
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let/_config.js
index 0610aed865..904fea3f65 100644
--- a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous-export-let/_config.js
@@ -3,12 +3,15 @@ import { test } from '../../test';
 
 export default test({
 	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
 	async test({ assert, target }) {
 		const p = target.querySelector('p');
 		const btn = target.querySelector('button');
 		flushSync(() => {
 			btn?.click();
 		});
-		assert.equal(p?.innerHTML, '1');
+		assert.equal(p?.innerHTML, '0');
 	}
 });
diff --git a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous/_config.js b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous/_config.js
index 0610aed865..2d72de6d13 100644
--- a/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous/_config.js
+++ b/packages/svelte/tests/runtime-runes/samples/legacy-runes-ambiguous/_config.js
@@ -3,6 +3,9 @@ import { test } from '../../test';
 
 export default test({
 	mode: ['client'],
+	compileOptions: {
+		runes: undefined
+	},
 	async test({ assert, target }) {
 		const p = target.querySelector('p');
 		const btn = target.querySelector('button');