node-postgres/eslint.config.mjs at master · brianc/node-postgres · GitHub

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import { defineConfig, globalIgnores } from 'eslint/config'
import typescriptEslint from '@typescript-eslint/eslint-plugin'
import prettier from 'eslint-plugin-prettier'
import globals from 'globals'
import tsParser from '@typescript-eslint/parser'
import path from 'node:path'
import { fileURLToPath } from 'node:url'
import js from '@eslint/js'
import { FlatCompat } from '@eslint/eslintrc'

const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
})

export default defineConfig([
  globalIgnores([
    '**/node_modules',
    '**/coverage',
    'packages/*/dist',
    'packages/pg-protocol/dist/**/*',
    'packages/pg-query-stream/dist/**/*',
  ]),
  {
    extends: compat.extends('eslint:recommended', 'plugin:prettier/recommended', 'prettier'),

    plugins: {
      '@typescript-eslint': typescriptEslint,
      prettier,
    },

    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.mocha,
      },

      parser: tsParser,
      ecmaVersion: 2017,
      sourceType: 'module',
    },

    rules: {
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          args: 'none',
          caughtErrors: 'none',
          varsIgnorePattern: '^_$',
        },
      ],

      // handled by @typescript-eslint/no-unused-vars
      'no-unused-vars': 'off',

      'no-var': 'error',
      'prefer-const': 'error',
      'no-constant-condition': [
        'error',
        {
          checkLoops: 'all',
        },
      ],
    },
  },
  {
    files: ['**/*.ts', '**/*.mts', '**/*.cts', '**/*.tsx'],

    rules: {
      'no-undef': 'off',
    },
  },
])