.eslintrc.js

module.exports = {
  plugins: ['jest', '@typescript-eslint'],
  extends: ['plugin:github/recommended'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 9,
    sourceType: 'module',
    project: './tsconfig.json',
  },
  env: {
    node: true,
    es6: true,
    'jest/globals': true,
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:import/typescript',
    'plugin:prettier/recommended',
  ],
  rules: {
    '@typescript-eslint/explicit-function-return-type': [
      'error',
      {
        allowExpressions: true,
      },
    ],
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^_',
      },
    ],
    'import/order': ['error'],
  },
};