eslintrc.js

module.exports = {
  env: {
    jest: true,
  },
  extends: ['airbnb-base'],
  ignorePatterns: ['dist/**/*.js', 'node_modules'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: ['./tsconfig.eslint.json'],
  },
  plugins: ['@typescript-eslint'],
  rules: {
    // I disable no-continue rule.
    // 'continue' statement is usable for me to early return.
    // 'no-continue' rule prevent me from do early return and
    // make me write long codes in a if block.
    'no-continue': 'off',
    // eslint failed with the error 'Missing file extension "ts"'.
    // But I can't write extension '.ts'. So I disable the rule.
    'import/extensions': [
      'error',
      'always',
      {
        ts: 'never',
      },
    ],
    // ++ is famous.
    'no-plusplus': 'off',
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.ts'],
      },
    },
  },
};