@archoleat/eslint-flat-compatibility NPM

ESLint Flat Compatibility

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Installation

# pnpm
pnpm i -D @archoleat/eslint-flat-compatibility

# npm
npm i -D @archoleat/eslint-flat-compatibility

# yarn
yarn add -D @archoleat/eslint-flat-compatibility

Usage

Before

import { resolve } from 'node:path';

import { defineFlatConfig } from 'eslint-define-config';
import { FlatCompat } from '@eslint/eslintrc';

const compat = new FlatCompat({
  baseDirectory: resolve(),
  resolvePluginsRelativeTo: resolve(),
});

export default defineFlatConfig([
  ...compat.extends(
    'airbnb-typescript/base',
    'plugin:import/recommended',
    'plugin:import/typescript',
  ),
// ...

import { fileURLToPath } from 'url';
import path from 'path';

import { defineFlatConfig } from 'eslint-define-config';
import { FlatCompat } from '@eslint/eslintrc';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const compat = new FlatCompat({
  baseDirectory: __dirname,
  resolvePluginsRelativeTo: __dirname,
});

export default defineFlatConfig([
  ...compat.extends(
    'airbnb-typescript/base',
    'plugin:import/recommended',
    'plugin:import/typescript',
  ),
// ...

After

import { defineFlatConfig } from 'eslint-define-config';
import { extend } from '@archoleat/eslint-flat-compatibility';

export default defineFlatConfig([
  // Mimic extends
  ...extend(
    'airbnb-typescript/base',
    'plugin:import/recommended',
    'plugin:import/typescript',
  ),
// ...

Also available:

import { config, env, extend, plugins } from '@archoleat/eslint-flat-compatibility';
import { defineFlatConfig } from 'eslint-define-config';

export default defineFlatConfig([
  // Mimic extends
  ...extend(
    'airbnb-typescript/base',
    'plugin:import/recommended',
    'plugin:import/typescript',
  ),

  // Mimic env
  // Types available
  ...env({
    es2020: true,
    node: true,
  }),

  // Mimic plugins
  ...plugins('airbnb', 'react'),

  // Translate an entire config
  // Types available
  ...config({
    env: {
      es2020: true,
      node: true,
    },
    extends: ['airbnb/base'],
    plugins: ['airbnb', 'unicorn'],
    rules: {
      semi: 'error',
    },
  }),
]);