fix: flat config would cause an error with non-svelte files (#711)

.changeset/soft-suns-brush.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-svelte": patch
+---
+
+fix: flat config  would cause an error with non-svelte files

package.json

@@ -115,8 +115,8 @@
     "@types/prismjs": "^1.26.3",
     "@types/semver": "^7.5.8",
     "@types/stylus": "^0.48.42",
-    "@typescript-eslint/eslint-plugin": "^7.1.1",
-    "@typescript-eslint/parser": "^7.1.1",
+    "@typescript-eslint/eslint-plugin": "^7.3.0",
+    "@typescript-eslint/parser": "^7.3.0",
     "@typescript/vfs": "^1.5.0",
     "acorn": "^8.11.3",
     "assert": "^2.1.0",

src/configs/flat/base.ts

@@ -4,13 +4,15 @@
 import type { ESLint } from 'eslint';
 export default [
 	{
-		files: ['*.svelte', '**/*.svelte'],
 		plugins: {
 			get svelte(): ESLint.Plugin {
 				// eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
 				return require('../../index');
 			}
-		},
+		}
+	},
+	{
+		files: ['*.svelte', '**/*.svelte'],
 		languageOptions: {
 			// eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
 			parser: require('svelte-eslint-parser')

src/meta.ts

@@ -1,5 +1,5 @@
 // IMPORTANT!
 // This file has been automatically generated,
 // in order to update its content execute "pnpm run update"
-export const name = 'eslint-plugin-svelte' as const;
-export const version = '2.36.0-next.11' as const;
+export const name = 'eslint-plugin-svelte';
+export const version = '2.36.0-next.11';

tests/src/configs/recommended.ts

@@ -54,5 +54,17 @@ describe('`all` config', () => {
 				}
 			]
 		);
+
+		const resultWithJs = await linter.lintText(';', { filePath: 'test.js' });
+		const messagesWithJs = resultWithJs[0].messages;
+
+		assert.deepStrictEqual(
+			messagesWithJs.map((m) => ({
+				ruleId: m.ruleId,
+				line: m.line,
+				message: m.message
+			})),
+			[]
+		);
 	});
 });

tools/update-rulesets.ts

@@ -110,13 +110,15 @@ const baseContent = `/*
 import type { ESLint } from 'eslint';
 export default [
   {
-    files: ["*.svelte", "**/*.svelte"],
     plugins: {
       get svelte(): ESLint.Plugin {
 				// eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
         return require("../../index")
       }
     },
+  },
+  {
+    files: ["*.svelte", "**/*.svelte"],
     languageOptions: {
       // eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
       parser: require('svelte-eslint-parser'),