import eslint from '@eslint/js';
import tseslint from 'typescript-eslint';
import prettierPlugin from 'eslint-plugin-prettier';
export default [
eslint.configs.recommended,
...tseslint.configs.recommended,
{
ignores: [
'node_modules/**',
'build/**',
'dist/**',
'coverage/**',
'src/core/generated-plugins.ts',
'src/core/generated-resources.ts',
],
},
{
// TypeScript files in src/ directory (covered by tsconfig.json)
files: ['src/**/*.ts'],
languageOptions: {
ecmaVersion: 2020,
sourceType: 'module',
parser: tseslint.parser,
parserOptions: {
project: ['./tsconfig.json'],
},
},
plugins: {
'@typescript-eslint': tseslint.plugin,
prettier: prettierPlugin,
},
rules: {
'prettier/prettier': 'error',
'@typescript-eslint/explicit-function-return-type': 'warn',
'@typescript-eslint/no-explicit-any': 'error',
'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: 'never',
varsIgnorePattern: 'never',
},
],
'no-console': ['warn', { allow: ['error'] }],
// Prevent dangerous type casting anti-patterns (errors)
'@typescript-eslint/consistent-type-assertions': [
'error',
{
assertionStyle: 'as',
objectLiteralTypeAssertions: 'never',
},
],
'@typescript-eslint/no-unsafe-argument': 'error',
'@typescript-eslint/no-unsafe-assignment': 'error',
'@typescript-eslint/no-unsafe-call': 'error',
'@typescript-eslint/no-unsafe-member-access': 'error',
'@typescript-eslint/no-unsafe-return': 'error',
// Prevent specific anti-patterns we found
'@typescript-eslint/ban-ts-comment': [
'error',
{
'ts-expect-error': 'allow-with-description',
'ts-ignore': true,
'ts-nocheck': true,
'ts-check': false,
},
],
// Encourage best practices (warnings - can be gradually fixed)
'@typescript-eslint/prefer-as-const': 'warn',
'@typescript-eslint/prefer-nullish-coalescing': 'warn',
'@typescript-eslint/prefer-optional-chain': 'warn',
// Prevent barrel imports to maintain architectural improvements
'no-restricted-imports': [
'error',
{
patterns: [
{
group: [
'**/utils/index.js',
'../utils/index.js',
'../../utils/index.js',
'../../../utils/index.js',
'**/utils/index.ts',
'../utils/index.ts',
'../../utils/index.ts',
'../../../utils/index.ts',
],
message:
'Barrel imports from utils/index are prohibited. Use focused facade imports instead (e.g., utils/logging/index.ts, utils/execution/index.ts).',
},
{
group: ['./**/*.js', '../**/*.js'],
message:
'Import TypeScript files with .ts extension, not .js. This ensures compatibility with native TypeScript runtimes like Bun and Deno. Change .js to .ts in your import path.',
},
],
},
],
},
},
{
// JavaScript and TypeScript files outside the main project (scripts/, etc.)
files: ['**/*.{js,ts}'],
ignores: ['src/**/*', '**/*.test.ts'],
languageOptions: {
ecmaVersion: 2020,
sourceType: 'module',
parser: tseslint.parser,
// No project reference for scripts - use standalone parsing
},
plugins: {
'@typescript-eslint': tseslint.plugin,
prettier: prettierPlugin,
},
rules: {
'prettier/prettier': 'error',
// Relaxed TypeScript rules for scripts since they're not in the main project
'@typescript-eslint/explicit-function-return-type': 'off',
'@typescript-eslint/no-explicit-any': 'warn',
'@typescript-eslint/no-unused-vars': [
'warn',
{
argsIgnorePattern: 'never',
varsIgnorePattern: 'never',
},
],
'no-console': 'off', // Scripts are allowed to use console
// Disable project-dependent rules for scripts
'@typescript-eslint/no-unsafe-argument': 'off',
'@typescript-eslint/no-unsafe-assignment': 'off',
'@typescript-eslint/no-unsafe-call': 'off',
'@typescript-eslint/no-unsafe-member-access': 'off',
'@typescript-eslint/no-unsafe-return': 'off',
'@typescript-eslint/prefer-nullish-coalescing': 'off',
'@typescript-eslint/prefer-optional-chain': 'off',
},
},
{
files: ['**/*.test.ts'],
languageOptions: {
parser: tseslint.parser,
parserOptions: {
project: './tsconfig.test.json',
},
},
rules: {
'@typescript-eslint/no-explicit-any': 'off',
'@typescript-eslint/no-unused-vars': 'off',
'@typescript-eslint/explicit-function-return-type': 'off',
'prefer-const': 'off',
// Relax unsafe rules for tests - tests often need more flexibility
'@typescript-eslint/no-unsafe-argument': 'off',
'@typescript-eslint/no-unsafe-assignment': 'off',
'@typescript-eslint/no-unsafe-call': 'off',
'@typescript-eslint/no-unsafe-member-access': 'off',
'@typescript-eslint/no-unsafe-return': 'off',
},
},
];
