eslint.config.mjs•2.92 kB
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import js from '@eslint/js';
import stylisticPlugin from '@stylistic/eslint-plugin';
import {defineConfig, globalIgnores} from 'eslint/config';
import importPlugin from 'eslint-plugin-import';
import globals from 'globals';
import tseslint from 'typescript-eslint';
import localPlugin from './scripts/eslint_rules/local-plugin.js';
export default defineConfig([
globalIgnores(['**/node_modules', '**/build/']),
importPlugin.flatConfigs.typescript,
{
languageOptions: {
ecmaVersion: 'latest',
sourceType: 'module',
globals: {
...globals.node,
},
parserOptions: {
projectService: {
allowDefaultProject: ['.prettierrc.cjs', 'eslint.config.mjs'],
},
},
parser: tseslint.parser,
},
plugins: {
js,
'@local': localPlugin,
'@typescript-eslint': tseslint.plugin,
'@stylistic': stylisticPlugin,
},
settings: {
'import/resolver': {
typescript: true,
},
},
extends: ['js/recommended'],
},
tseslint.configs.recommended,
tseslint.configs.stylistic,
{
name: 'TypeScript rules',
rules: {
'@local/check-license': 'error',
'no-undef': 'off',
'no-unused-vars': 'off',
'@typescript-eslint/no-unused-vars': [
'error',
{
argsIgnorePattern: '^_',
varsIgnorePattern: '^_',
},
],
'@typescript-eslint/no-explicit-any': [
'error',
{
ignoreRestArgs: true,
},
],
// This optimizes the dependency tracking for type-only files.
'@typescript-eslint/consistent-type-imports': 'error',
// So type-only exports get elided.
'@typescript-eslint/consistent-type-exports': 'error',
// Prefer interfaces over types for shape like.
'@typescript-eslint/consistent-type-definitions': ['error', 'interface'],
'@typescript-eslint/array-type': [
'error',
{
default: 'array-simple',
},
],
'@typescript-eslint/no-floating-promises': 'error',
'import/order': [
'error',
{
'newlines-between': 'always',
alphabetize: {
order: 'asc',
caseInsensitive: true,
},
},
],
'import/no-cycle': [
'error',
{
maxDepth: Infinity,
},
],
'import/enforce-node-protocol-usage': ['error', 'always'],
'@stylistic/function-call-spacing': 'error',
'@stylistic/semi': 'error',
},
},
{
name: 'Tests',
files: ['**/*.test.ts'],
rules: {
// With the Node.js test runner, `describe` and `it` are technically
// promises, but we don't need to await them.
'@typescript-eslint/no-floating-promises': 'off',
},
},
]);