tslint.js

module.exports = {
  defaultSeverity: 'warning',
  rulesDirectory: 'tslint-microsoft-contrib',
  rules: {
    // https://palantir.github.io/tslint/rules/
    'await-promise': true,
    'new-parens': true,
    'no-angle-bracket-type-assertion': true,
    'no-conditional-assignment': true,
    'no-debugger': true,
    'no-duplicate-super': true,
    'no-duplicate-switch-case': true,
    'no-duplicate-variable': true,
    'no-eval': true,
    'no-floating-promises': true,
    'no-for-in-array': true,
    'no-implicit-dependencies': [true, 'dev'],
    'no-invalid-template-strings': true,
    'no-invalid-this': true,
    'no-namespace': true,
    'no-sparse-arrays': true,
    'no-string-throw': true,
    'no-switch-case-fall-through': true,
    'no-unused-expression': [true, 'allow-fast-null-checks'],
    // DEPRECATED. Recommended to use TS 'noUnusedLocals' for now
    // 'no-unused-variable': true,
    'triple-equals': true,
    'use-isnan': true,

    'no-arg': true,
    'no-bitwise': true,
    'space-within-parens': true,
    'no-console': {
      'severity': 'warning',
      'options': ['debug', 'info', 'log', 'time', 'timeEnd', 'trace']
    },
    'max-line-length': {
      'options': [120]
    },
    'no-irregular-whitespace': true,
    'ordered-imports': false,
    'object-literal-sort-keys': false,
    'quotemark': [true, 'single', 'jsx-single', 'avoid-escape', 'avoid-template'],
    'trailing-comma': [true, {
      'multiline': {
        'objects': 'always',
        'arrays': 'always',
        'functions': 'never',
        'typeLiterals': 'ignore'
      },
      'esSpecCompliant': true
    }],
    'no-consecutive-blank-lines': true,
    'whitespace': [true,
      'check-branch',
      'check-decl',
      'check-operator',
      'check-module',
      'check-separator',
      'check-rest-spread',
      'check-type',
      'check-typecast',
      'check-type-operator',
      'check-preblock'
    ],
    'space-before-function-paren': [true, {'anonymous': 'always', 'named': 'never', 'asyncArrow': 'always'}],

    // https://github.com/Microsoft/tslint-microsoft-contrib
    'react-a11y-anchors': true,
    'react-a11y-aria-unsupported-elements': true,
    'react-a11y-event-has-role': true,
    'react-a11y-image-button-has-alt': true,
    'react-a11y-img-has-alt': true,
    'react-a11y-props': true,
    'react-a11y-proptypes': true,
    'react-a11y-role': true,
    'react-a11y-role-has-required-aria-props': true,
    'react-a11y-role-supports-aria-props': true,
  },
};