fix: if no matching files found, skip setting the corresponding config

ESLint config's schema requires the `files` key to be a non-empty array

Fixes neanes/neanes#1030 (review)

src/index.ts

@@ -51,7 +51,10 @@ export default function createConfig({
  files: ['**/*.js', '**/*.jsx'],
  ...tseslint.configs.disableTypeChecked,
  },
- {
+ ]
+
+ if (otherVueFiles.length > 0) {
+ projectServiceConfigs.push({
  name: 'vue-typescript/skip-type-checking-for-vue-files-without-ts',
  files: otherVueFiles,
  ...tseslint.configs.disableTypeChecked,
@@ -63,9 +66,9 @@ export default function createConfig({
  // https://github.com/typescript-eslint/typescript-eslint/issues/4755#issuecomment-1080961338
  '@typescript-eslint/consistent-type-imports': 'off',
  '@typescript-eslint/prefer-optional-chain': 'off',
- }
- },
- ]
+ },
+ })
+ }
 
  const mayHaveJsxInSfc = supportedScriptLangs.jsx || supportedScriptLangs.tsx
  const needsTypeAwareLinting = configNamesToExtend.some(
@@ -87,18 +90,20 @@ export default function createConfig({
  },
  })
 
- projectServiceConfigs.push({
- name: 'vue-typescript/default-project-service-for-vue-files',
- files: vueFilesWithScriptTs,
- languageOptions: {
- parser: vueParser,
- parserOptions: {
- projectService: true,
- parser: tseslint.parser,
- extraFileExtensions,
+ if (vueFilesWithScriptTs.length > 0) {
+ projectServiceConfigs.push({
+ name: 'vue-typescript/default-project-service-for-vue-files',
+ files: vueFilesWithScriptTs,
+ languageOptions: {
+ parser: vueParser,
+ parserOptions: {
+ projectService: true,
+ parser: tseslint.parser,
+ extraFileExtensions,
+ },
  },
- },
- })
+ })
+ }
 
  // Vue's own typing inevitably contains some `any`s, so some of the `no-unsafe-*` rules can't be used.
  projectServiceConfigs.push({