import js from '@eslint/js'
import globals from 'globals'
import tseslint from 'typescript-eslint'
export default tseslint.config(
{ ignores: ['dist', 'node_modules', 'src/**/*.test.ts', 'src/**/*.spec.ts'] },
{
extends: [
js.configs.recommended,
...tseslint.configs.strictTypeChecked,
...tseslint.configs.stylisticTypeChecked,
],
files: ['src/**/*.ts'],
languageOptions: {
ecmaVersion: 2022,
globals: { ...globals.node },
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname,
},
},
rules: {
'@typescript-eslint/no-explicit-any': 'error',
'@typescript-eslint/explicit-function-return-type': ['error', {
allowExpressions: true,
allowTypedFunctionExpressions: true,
allowHigherOrderFunctions: true,
}],
'@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
'@typescript-eslint/no-non-null-assertion': 'error',
'@typescript-eslint/strict-boolean-expressions': ['error', {
allowNullableBoolean: true,
allowNullableString: true,
allowNullableObject: true,
}],
'@typescript-eslint/no-floating-promises': 'error',
'@typescript-eslint/await-thenable': 'error',
'@typescript-eslint/require-await': 'error',
'@typescript-eslint/no-unnecessary-condition': 'off',
'@typescript-eslint/no-unsafe-assignment': 'error',
'@typescript-eslint/no-unsafe-member-access': 'error',
'@typescript-eslint/no-unsafe-call': 'error',
'@typescript-eslint/no-unsafe-return': 'error',
'@typescript-eslint/no-unsafe-argument': 'error',
'@typescript-eslint/consistent-type-imports': ['error', {
prefer: 'type-imports',
fixStyle: 'inline-type-imports',
}],
'@typescript-eslint/consistent-type-exports': 'error',
// Prevent console.log() which writes to stdout and corrupts MCP stdio transport
// Only stderr output (error, warn) is safe for MCP servers
'no-console': ['error', { allow: ['error', 'warn'] }],
},
},
// Test files configuration - use simpler parsing without projectService
{
files: ['src/**/*.test.ts', 'src/**/*.spec.ts'],
languageOptions: {
ecmaVersion: 2022,
globals: { ...globals.node },
parserOptions: {
project: null, // Disable project service for test files
},
},
rules: {
// Relax some rules for tests
'@typescript-eslint/no-explicit-any': 'off',
'@typescript-eslint/no-unsafe-assignment': 'off',
'@typescript-eslint/no-unsafe-member-access': 'off',
'@typescript-eslint/no-unsafe-call': 'off',
'@typescript-eslint/no-unsafe-argument': 'off',
},
},
)
