Merge pull request #50 from sveltejs/changeset-release/main

packages/mcp-server/package.json

@@ -28,6 +28,7 @@
 		"svelte": "^5.39.2",
 		"svelte-eslint-parser": "^1.3.2",
 		"tmcp": "^1.13.0",
+		"ts-blank-space": "^0.6.2",
 		"typescript-eslint": "^8.44.0",
 		"valibot": "^1.1.0",
 		"vitest": "^3.2.4",
@@ -35,10 +36,10 @@
 	},
 	"devDependencies": {
 		"@anthropic-ai/sdk": "^0.65.0",
-		"dotenv": "^17.2.3",
 		"@sveltejs/kit": "^2.42.2",
 		"@types/eslint-scope": "^8.3.2",
 		"@types/estree": "^1.0.8",
-		"@typescript-eslint/types": "^8.44.0"
+		"@typescript-eslint/types": "^8.44.0",
+		"dotenv": "^17.2.3"
 	}
 }

packages/mcp-server/src/mcp/autofixers/add-compile-issues.ts

@@ -1,4 +1,6 @@
-import { compile } from 'svelte/compiler';
+import { compile as compile_component, compileModule } from 'svelte/compiler';
+import { extname } from 'path';
+import ts from 'ts-blank-space';
 
 export function add_compile_issues(
 	content: { issues: string[]; suggestions: string[] },
@@ -6,6 +8,21 @@ export function add_compile_issues(
 	desired_svelte_version: number,
 	filename = 'Component.svelte',
 ) {
+	let compile = compile_component;
+	const extension = extname(filename);
+	if (extension !== '.svelte') {
+		compile = compileModule;
+		// compile module doesn't accept .ts files so we need to transpile them first with ts-blank-space
+		// a fast and lightweight typescript transpiler that can strips types replacing them with white spaces
+		// so the code positions are not affected
+		if (extension === '.ts') {
+			code = ts(code, (node) => {
+				content.issues.push(
+					`The provided file is a module but it contains invalid TypeScript code: ${node.getText()} at ${node.getStart()}`,
+				);
+			});
+		}
+	}
 	const compilation_result = compile(code, {
 		filename: filename || 'Component.svelte',
 		generate: false,

packages/mcp-server/src/mcp/autofixers/add-eslint-issues.ts

@@ -12,7 +12,7 @@ function base_config(svelte_config: Config): ESLint.Options['baseConfig'] {
 	return [
 		...svelte.configs.recommended,
 		{
-			files: ['*.svelte'],
+			files: ['*.svelte', '*.svelte.ts', '*.svelte.js'],
 			rules: {
 				'no-self-assign': 'warn',
 				'svelte/infinite-reactive-loop': 'warn',

packages/mcp-stdio/CHANGELOG.md

@@ -1,5 +1,11 @@
 # @sveltejs/mcp
 
+## 0.0.4
+
+### Patch Changes
+
+- fix: allow TS `.svelte.ts` modules ([#49](https://github.com/sveltejs/mcp/pull/49))
+
 ## 0.0.3
 
 ### Patch Changes

packages/mcp-stdio/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@sveltejs/mcp",
-	"version": "0.0.3",
+	"version": "0.0.4",
 	"type": "module",
 	"license": "MIT",
 	"homepage": "https://github.com/sveltejs/mcp#readme",

pnpm-lock.yaml

@@ -177,6 +177,9 @@ importers:
       tmcp:
         specifier: ^1.13.0
         version: 1.14.0(typescript@5.9.2)
+      ts-blank-space:
+        specifier: ^0.6.2
+        version: 0.6.2
       typescript-eslint:
         specifier: ^8.44.0
         version: 8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2)
@@ -3719,6 +3722,10 @@ packages:
     peerDependencies:
       typescript: '>=4.8.4'
 
+  ts-blank-space@0.6.2:
+    resolution: {integrity: sha512-hZjcHdHrveEKI67v8OzI90a1bizgoDkY7ekE4fH89qJhZgxvmjfBOv98aibCU7OpKbvV3R9p/qd3DrzZqT1cFQ==}
+    engines: {node: '>=18.0.0'}
+
   ts-node@10.9.2:
     resolution: {integrity: sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==}
     hasBin: true
@@ -7586,6 +7593,10 @@ snapshots:
     dependencies:
       typescript: 5.9.2
 
+  ts-blank-space@0.6.2:
+    dependencies:
+      typescript: 5.9.2
+
   ts-node@10.9.2(@types/node@24.5.2)(typescript@5.9.2):
     dependencies:
       '@cspotcode/source-map-support': 0.8.1