.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'module',
    tsconfigRootDir: './',
  },
  extends: [
    'airbnb-base',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  plugins: [
    'prettier',
    'eslint-plugin-tsdoc',
    '@typescript-eslint',
    'import',
    'eslint-plugin-tsdoc',
  ],
  ignorePatterns: ['.eslintrc.js', 'jest.config.js'],
  rules: {
    'tsdoc/syntax': 'warn',
    'no-console': 'off',
    'prettier/prettier': ['error', { endOfLine: 'auto' }],
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    'no-underscore-dangle': 'off',
    'import/no-extraneous-dependencies': [
      'error',
      {
        devDependencies: true,
        optionalDependencies: false,
        peerDependencies: false,
      },
    ],
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx', '.d.ts'],
        moduleDirectory: ['node_modules', 'src/'],
      },
      typescript: {},
    },
  },
};