// @ts-check
import eslint from '@eslint/js';
import tseslint from 'typescript-eslint';
import prettierConfig from 'eslint-config-prettier';
import unusedImports from 'eslint-plugin-unused-imports';
export default tseslint.config(
// Recommended base configs
eslint.configs.recommended,
...tseslint.configs.recommended,
...tseslint.configs.strict,
// Prettier integration (must be last)
prettierConfig,
// Custom configuration
{
languageOptions: {
parser: tseslint.parser,
parserOptions: {
project: './tsconfig.json',
tsconfigRootDir: import.meta.dirname,
},
},
plugins: {
'unused-imports': unusedImports,
},
rules: {
// Disable the base rule as it's handled by the extension
'no-unused-vars': 'off',
'@typescript-eslint/no-explicit-any': 'off',
'@typescript-eslint/no-non-null-assertion': 'off',
'@typescript-eslint/no-extraneous-class': 'off',
'@typescript-eslint/no-require-imports': 'off',
// Unused imports and variables
'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: '^_',
varsIgnorePattern: '^_',
caughtErrorsIgnorePattern: '^_',
},
],
'unused-imports/no-unused-imports': 'error',
'unused-imports/no-unused-vars': [
'warn',
{
vars: 'all',
varsIgnorePattern: '^_',
args: 'after-used',
argsIgnorePattern: '^_',
},
],
// Useless constructors
'@typescript-eslint/no-useless-constructor': 'error',
// Additional TypeScript best practices
'@typescript-eslint/prefer-optional-chain': 'error',
'@typescript-eslint/prefer-nullish-coalescing': 'error',
'@typescript-eslint/no-unnecessary-condition': 'error',
'@typescript-eslint/no-unnecessary-type-assertion': 'error',
// General code quality
'prefer-const': 'error',
'no-var': 'error',
'no-console': 'warn',
eqeqeq: ['error', 'always'],
},
},
// Ignore files
{
ignores: [
'node_modules/**',
'build/**',
'dist/**',
'*.js',
'*.mjs',
'src/test/globalTearDown.js',
],
},
);
