fix(sv): stricter logic for rune mode

.changeset/cuddly-laws-tan.md

@@ -0,0 +1,5 @@
+---
+"sv": patch
+---
+
+fix(sv): stricter logic for rune mode

packages/sv/src/cli/tests/snapshots/create-only/package.json

@@ -15,7 +15,7 @@
 		"@sveltejs/adapter-auto": "^7.0.0",
 		"@sveltejs/kit": "^2.50.2",
 		"@sveltejs/vite-plugin-svelte": "^6.2.4",
-		"svelte": "^5.51.0",
+		"svelte": "^5.54.0",
 		"svelte-check": "^4.4.2",
 		"typescript": "^5.9.3",
 		"vite": "^7.3.1"

packages/sv/src/cli/tests/snapshots/create-only/svelte.config.js

@@ -1,16 +1,23 @@
 import adapter from '@sveltejs/adapter-auto';
+import { relative, sep } from 'node:path';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
+	compilerOptions: {
+		// defaults to rune mode for the project, execept for `node_modules`. Can be removed in svelte 6.
+		runes: ({ filename }) => {
+			const relativePath = relative(import.meta.dirname, filename);
+			const pathSegments = relativePath.toLowerCase().split(sep);
+			const isExternalLibrary = pathSegments.includes('node_modules');
+
+			return isExternalLibrary ? undefined : true;
+		}
+	},
 	kit: {
 		// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
 		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
 		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
 		adapter: adapter()
-	},
-	vitePlugin: {
-		dynamicCompileOptions: ({ filename }) =>
-			filename.includes('node_modules') ? undefined : { runes: true }
 	}
 };
 

packages/sv/src/cli/tests/snapshots/create-with-all-addons/package.json

@@ -47,7 +47,7 @@
 		"prettier": "^3.8.1",
 		"prettier-plugin-svelte": "^3.4.1",
 		"prettier-plugin-tailwindcss": "^0.7.2",
-		"svelte": "^5.51.0",
+		"svelte": "^5.54.0",
 		"svelte-check": "^4.4.2",
 		"tailwindcss": "^4.1.18",
 		"typescript": "^5.9.3",

packages/sv/src/cli/tests/snapshots/create-with-all-addons/svelte.config.js

@@ -1,12 +1,20 @@
 import { mdsvex } from 'mdsvex';
 import adapter from '@sveltejs/adapter-node';
+import { relative, sep } from 'node:path';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	kit: { adapter: adapter() },
-	vitePlugin: {
-		dynamicCompileOptions: ({ filename }) => filename.includes('node_modules') ? undefined : { runes: true }
+	compilerOptions: {
+		// defaults to rune mode for the project, execept for `node_modules`. Can be removed in svelte 6.
+		runes: ({ filename }) => {
+			const relativePath = relative(import.meta.dirname, filename);
+			const pathSegments = relativePath.toLowerCase().split(sep);
+			const isExternalLibrary = pathSegments.includes('node_modules');
+
+			return isExternalLibrary ? undefined : true;
+		}
 	},
+	kit: { adapter: adapter() },
 	preprocess: [mdsvex()],
 	extensions: ['.svelte', '.svx']
 };

packages/sv/src/create/shared/+typescript/svelte.config.js

@@ -1,16 +1,23 @@
 import adapter from '@sveltejs/adapter-auto';
+import { relative, sep } from 'node:path';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
+	compilerOptions: {
+		// defaults to rune mode for the project, execept for `node_modules`. Can be removed in svelte 6.
+		runes: ({ filename }) => {
+			const relativePath = relative(import.meta.dirname, filename);
+			const pathSegments = relativePath.toLowerCase().split(sep);
+			const isExternalLibrary = pathSegments.includes('node_modules');
+
+			return isExternalLibrary ? undefined : true;
+		}
+	},
 	kit: {
 		// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
 		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
 		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
 		adapter: adapter()
-	},
-	vitePlugin: {
-		dynamicCompileOptions: ({ filename }) =>
-			filename.includes('node_modules') ? undefined : { runes: true }
 	}
 };
 

packages/sv/src/create/shared/-typescript/svelte.config.js

@@ -1,16 +1,23 @@
 import adapter from '@sveltejs/adapter-auto';
+import { relative, sep } from 'node:path';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
+	compilerOptions: {
+		// defaults to rune mode for the project, execept for `node_modules`. Can be removed in svelte 6.
+		runes: ({ filename }) => {
+			const relativePath = relative(import.meta.dirname, filename);
+			const pathSegments = relativePath.toLowerCase().split(sep);
+			const isExternalLibrary = pathSegments.includes('node_modules');
+
+			return isExternalLibrary ? undefined : true;
+		}
+	},
 	kit: {
 		// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
 		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
 		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
 		adapter: adapter()
-	},
-	vitePlugin: {
-		dynamicCompileOptions: ({ filename }) =>
-			filename.includes('node_modules') ? undefined : { runes: true }
 	}
 };
 

packages/sv/src/create/templates/demo/package.template.json

@@ -15,7 +15,7 @@
 		"@sveltejs/adapter-auto": "^7.0.0",
 		"@sveltejs/kit": "^2.50.2",
 		"@sveltejs/vite-plugin-svelte": "^6.2.4",
-		"svelte": "^5.51.0",
+		"svelte": "^5.54.0",
 		"vite": "^7.3.1"
 	}
 }

packages/sv/src/create/templates/library/package.template.json

@@ -28,7 +28,7 @@
 		"@sveltejs/package": "^2.5.7",
 		"@sveltejs/vite-plugin-svelte": "^6.2.4",
 		"publint": "^0.3.17",
-		"svelte": "^5.51.0",
+		"svelte": "^5.54.0",
 		"typescript": "^5.9.3",
 		"vite": "^7.3.1"
 	},

packages/sv/src/create/templates/minimal/package.template.json

@@ -13,7 +13,7 @@
 		"@sveltejs/adapter-auto": "^7.0.0",
 		"@sveltejs/kit": "^2.50.2",
 		"@sveltejs/vite-plugin-svelte": "^6.2.4",
-		"svelte": "^5.51.0",
+		"svelte": "^5.54.0",
 		"vite": "^7.3.1"
 	}
 }