index.js

module.exports = {
  env: {
    es2021: true,
    node: true,
  },
  extends: [
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:@typescript-eslint/recommended-requiring-type-checking',
    'airbnb-base',
    'prettier',
  ],
  plugins: [
    '@typescript-eslint',
  ],
  rules: {
    'no-undef': 'off',
    'no-shadow': 'off',
    '@typescript-eslint/no-shadow': ['error'],
    'no-redeclare': 'off',
    '@typescript-eslint/no-redeclare': ['error'],
    'indent': 'off',
    'no-use-before-define': 'off',
    '@typescript-eslint/no-use-before-define': ['error'],
    'no-unused-vars': 'off',
    'import/prefer-default-export': 'off',
    'import/extensions': 'off',
    'import/no-unresolved': 'off',
    'import/no-extraneous-dependencies': ['error', { 'devDependencies': ['**/*.test.ts', '**/*.spec.ts'] }],
    '@typescript-eslint/no-namespace': 'off',
    'no-void': ['warn', { allowAsStatement: true }],

    'curly': ['error', 'all'],
    'no-tabs': ['error', { 'allowIndentationTabs': true }],
    'max-len': ['error', {
      'code': 120,
      'ignoreUrls': true,
      'ignoreComments': true,
      'ignoreTrailingComments': true,
      'ignoreStrings': true,
      'ignoreRegExpLiterals': true,
      'ignoreTemplateLiterals': true,
    }],
    'quotes': [
      'error',
      'single',
      { 'avoidEscape': true, 'allowTemplateLiterals': false }
    ],
    'wrap-iife': ['error', 'inside'],
    '@typescript-eslint/indent': 'off',
    'no-mixed-operators': 'off',

    // TODO: Create tickets and check each rule
    '@typescript-eslint/no-use-before-define': ['warn'],
    'no-useless-constructor': 'warn',
    'no-bitwise': 'warn',
    'no-buffer-constructor': 'warn',
    'prefer-destructuring': 'warn',
    'radix': 'warn',
    'global-require': 'warn',
    'no-return-assign': 'warn',
    'no-multi-str': 'warn',
    'no-unused-expressions': 'warn',
    'no-cond-assign': 'warn',
    'consistent-return': 'warn',
    'prefer-promise-reject-errors': 'warn',
    'class-methods-use-this': 'warn',
    'no-restricted-syntax': 'warn',
    'no-restricted-properties': 'warn',
    'no-nested-ternary': 'warn',
    'no-throw-literal': 'warn',
    'no-await-in-loop': 'warn',
    'default-case': 'warn',
    'no-return-await': 'warn',
    'no-restricted-globals': 'warn',
    'no-underscore-dangle': 'warn',
    'no-continue': 'warn',
    'guard-for-in': 'warn',
    'array-callback-return': 'warn',
    'no-plusplus': 'warn',
    'no-param-reassign': 'warn',
    'camelcase': 'warn',
    'import/no-dynamic-require': ['warn'],
    '@typescript-eslint/await-thenable': ['warn'],
    '@typescript-eslint/no-floating-promises': ['warn'],
    '@typescript-eslint/no-unsafe-assignment': ['warn'],
    '@typescript-eslint/no-unsafe-assignment': ['warn'],
    '@typescript-eslint/no-unsafe-call': ['warn'],
    '@typescript-eslint/no-unsafe-member-access': ['warn'],
    '@typescript-eslint/no-unsafe-return': ['warn'],
    '@typescript-eslint/require-await': ['warn'],
    '@typescript-eslint/restrict-plus-operands': ['warn'],
    '@typescript-eslint/restrict-template-expressions': ['warn'],
    '@typescript-eslint/unbound-method': ['warn'],
    '@typescript-eslint/no-shadow': ['warn'],
    '@typescript-eslint/ban-types': ['warn'],
    '@typescript-eslint/ban-ts-comment': ['warn'],
    '@typescript-eslint/explicit-module-boundary-types': 'off',
  },
};