.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2021: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:prettier/recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:import/typescript',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: 'module',
  },
  plugins: ['@typescript-eslint'],
  rules: {
    'import/prefer-default-export': 'off',
    'import/order': [
      'error',
      {
        'newlines-between': 'always',
        groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index'],
      },
    ],
    'arrow-body-style': ['error', 'as-needed'],
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
    ],
    'no-shadow': 'off',
    '@typescript-eslint/no-shadow': ['error', { allow: ['_'] }],
    'lines-between-class-members': ['error', 'always'],
    'no-param-reassign': ['warn', { props: true, ignorePropertyModificationsFor: ['draft'] }],
    'padding-line-between-statements': [
      'error',
      { blankLine: 'always', prev: '*', next: 'return' },
      { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
      {
        blankLine: 'any',
        prev: ['const', 'let', 'var'],
        next: ['const', 'let', 'var'],
      },
    ],
  },
  settings: {
    'import/resolver': {
      node: {
        paths: ['src'],
        extensions: ['.js', '.ts'],
      },
    },
  },
};