.eslintrc.js

module.exports = {
  env: {
    es2021: true,
    node: true
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'standard',
    'plugin:prettier/recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:import/typescript',
    'plugin:sonarjs/recommended'
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 13,
    sourceType: 'module'
  },
  plugins: [
    '@typescript-eslint',
    'import',
    'no-secrets',
    'prettier',
    'promise',
    'sonarjs'
  ],
  rules: {
    'prettier/prettier': 'error',
    'import/prefer-default-export': 'warn',
    'no-unused-vars': 'off',
    'no-secrets/no-secrets': 'error',
    'import/order': [
      'error',
      {
        'newlines-between': 'never',
        groups: [
          ['builtin', 'external'],
          ['internal', 'parent', 'sibling', 'index']
        ]
      }
    ],
    'no-use-before-define': [
      'error',
      {
        functions: false,
        classes: true,
        variables: true
      }
    ],
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-use-before-define': [
      'error',
      {
        functions: false,
        classes: true,
        variables: true,
        typedefs: true
      }
    ],
    'import/no-extraneous-dependencies': 'off'
  },
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx']
    },
    'import/resolver': {
      typescript: {
        alwaysTryTypes: true,
        project: './tsconfig.json'
      }
    }
  }
}