.eslintrc.js

module.exports = {
  extends: ['plugin:@typescript-eslint/recommended', 'eslint:recommended'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: 'tsconfig.json',
    sourceType: 'module',
  },
  root: true,
  env: {
    node: true,
    jest: true,
    browser: true,
  },
  ignorePatterns: [
    '.eslintrc.js',
    '**/migrations/*',
    '*.spec.ts',
    'dist/*',
    '.angular/*',
    'node_modules/*',
    '.github/*',
  ],
  rules: {
    '@typescript-eslint/interface-name-prefix': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    'no-extra-parens': ['error', 'all'],
    'no-unreachable-loop': 'error',
    semi: ['error', 'never'],
    'accessor-pairs': 'error',
    'array-callback-return': ['error', { checkForEach: true }],
    'block-scoped-var': 'error',
    'consistent-return': 'warn',
    'class-methods-use-this': 'warn',
    curly: 'error',
    'default-case': 'warn',
    'default-case-last': 'error',
    'default-param-last': 'error',
    'dot-location': ['error', 'property'],
    'dot-notation': 'error',
    eqeqeq: 'warn',
    'grouped-accessor-pairs': 'warn',
    'guard-for-in': 'error',
    'max-classes-per-file': 'error',
    'no-caller': 'error',
    'no-constructor-return': 'error',
    'no-else-return': 'error',
    'no-empty-function': ['error', { allow: ['constructors'] }],
    'no-eq-null': 'error',
    'no-eval': 'error',
    'no-extra-bind': 'error',
    'no-extra-label': 'error',
    'no-implicit-coercion': ['error', { allow: ['!!', '+'] }],
    'no-invalid-this': 'error',
    'no-iterator': 'error',
    'no-implicit-globals': 'error',
    'no-implied-eval': 'error',
    'no-use-before-define': 'error',
    'vars-on-top': 'error',
    'require-await': 'error',
    'prefer-regex-literals': 'error',
    'prefer-named-capture-group': 'warn',
    'no-with': 'error',
    'no-void': 'error',
    'no-useless-return': 'error',
    'no-useless-concat': 'error',
    'no-unused-vars': ['off', { vars: 'local', args: 'none' }],
    'no-unused-expressions': ['error', { allowShortCircuit: true, allowTernary: true }],
    'block-spacing': 'error',
    'brace-style': ['error', '1tbs', { allowSingleLine: true }],
    camelcase: ['error', { ignoreGlobals: true }],
    'function-paren-newline': ['error', 'consistent'],
    'function-call-argument-newline': ['error', 'consistent'],
    'func-style': ['error', 'declaration', { allowArrowFunctions: true }],
    'func-call-spacing': 'error',
    'eol-last': 'error',
    'comma-style': 'error',
    'comma-spacing': 'error',
    'comma-dangle': ['error', 'always-multiline'],
    indent: ['error', 2, { SwitchCase: 1 }],
    'jsx-quotes': 'error',
    'key-spacing': ['error', { beforeColon: false, afterColon: true }],
    'max-len': [
      'error',
      {
        code: 120,
        ignoreUrls: true,
        ignoreStrings: true,
        ignoreRegExpLiterals: true,
      },
    ],
    'multiline-ternary': ['error', 'always-multiline'],
    'no-lonely-if': 'error',
    'no-trailing-spaces': 'error',
    'no-unneeded-ternary': 'error',
    'prefer-exponentiation-operator': 'error',
    'spaced-comment': 'error',
    'space-in-parens': 'error',
    // 'space-before-function-paren': 'error',
    'semi-style': 'error',
    'semi-spacing': 'error',
    quotes: ['error', 'single', { avoidEscape: true, allowTemplateLiterals: true }],
    'quote-props': ['error', 'consistent-as-needed'],
    'prefer-arrow-callback': 'error',
    'prefer-const': ['error', { destructuring: 'all' }],
    'prefer-destructuring': ['error', { object: true, array: false }],
    'object-shorthand': 'error',
    'no-var': 'error',
    'no-useless-rename': 'error',
    'no-duplicate-imports': 'error',
    'arrow-spacing': 'error',
    'arrow-parens': ['error', 'as-needed'],
    'arrow-body-style': ['warn', 'as-needed'],
  },
}