.eslintrc.js

/* eslint-disable no-magic-numbers */

module.exports = {
  'env': {
    'browser': true,
    'commonjs': true,
    'es6': true,
  },
  'extends': 'eslint:all',
  // 'extends': 'eslint:recommended',
  'parserOptions': {
    'sourceType': 'module',
  },
  'rules': {
    'array-bracket-newline': ['warn',
      'never'],
    'array-bracket-spacing': ['error',
      'never'],
    'array-callback-return': ['error'],
    'arrow-body-style': ['error'],
    'arrow-parens': ['error'],
    'arrow-spacing': ['error'],
    'block-scoped-var': ['warn'],
    'block-spacing': ['error'],
    'brace-style': ['error'],
    'camelcase': ['error'],
    'capitalized-comments': ['warn'],
    'class-methods-use-this': ['warn'],
    'comma-dangle': ['error',
      'only-multiline'],
    'comma-spacing': ['warn',
      {
        'after': true,
        'before': false,
      }],
    'comma-style': ['warn'],
    'consistent-return': ['error',
      {
        'treatUndefinedAsUnspecified': true,
      }],
    'curly': ['warn',
      'all'],
    'default-case': ['error'],
    'dot-location': ['error',
      'property'],
    'dot-notation': ['warn'],
    'eol-last': ['warn'],
    'eqeqeq': ['warn'],
    'func-names': ['error'],
    'func-style': ['warn',
      'declaration'],
    'global-require': ['error'],
    'guard-for-in': ['error'],
    'id-length': ['off'],
    'indent': ['error',
      2],
    'init-declarations': ['warn'],
    'line-comment-position': ['off'],
    'linebreak-style': ['error',
      'unix'],
    'lines-around-comment': ['error',
      {
        'afterBlockComment': false,
        'afterLineComment': false,
        'allowArrayEnd': false,
        'allowArrayStart': false,
        'allowBlockEnd': false,
        'allowBlockStart': false,
        'allowObjectEnd': false,
        'allowObjectStart': false,
        'beforeBlockComment': true,
        'beforeLineComment': false,
      }],
    'max-len': ['off'],
    'max-lines': ['off'],
    'max-params': ['off'],
    'max-statements': ['off'],
    'max-statements-per-line': ['off'],
    'multiline-ternary': ['warn',
      'never'],
    'new-cap': ['warn'],
    'new-parens': ['error'],
    'no-array-constructor': ['warn'],
    'no-catch-shadow': ['error'],
    'no-console': 'off',
    'no-const-assign': ['error'],
    'no-continue': ['warn'],
    'no-else-return': ['error'],
    'no-empty-function': ['error'],
    'no-eq-null': ['error'],
    'no-extra-parens': ['error'],
    'no-inline-comments': ['off'],
    'no-lonely-if': ['error'],
    'no-magic-numbers': ['warn'],
    'no-mixed-operators': ['off'],
    'no-multi-spaces': ['warn'],
    'no-negated-condition': ['warn'],
    'no-new-object': ['warn'],
    'no-param-reassign': ['error'],
    'no-plusplus': ['off'],
    'no-process-env': ['warn'],
    'no-prototype-builtins': ['error'],
    'no-return-assign': ['error'],
    'no-sequences': ['warn'],
    'no-shadow': ['error'],
    'no-sync': ['warn'],
    'no-ternary': ['warn'],
    'no-trailing-spaces': ['error'],
    'no-undef': ['error'],
    'no-underscore-dangle': ['off'],
    'no-unneeded-ternary': ['error'],
    'no-unused-expressions': ['error'],
    'no-unused-vars': ['error'],
    'no-use-before-define': ['error'],
    'no-useless-concat': ['error'],
    'no-useless-return': ['warn'],
    'no-var': ['error'],
    'object-curly-newline': ['warn',
      'always'],
    'object-curly-spacing': ['warn',
      'never'],
    'one-var': ['error',
      'never'],
    'padded-blocks': ['warn'],
    'prefer-const': ['error'],
    'prefer-destructuring': ['off'],
    'prefer-template': ['error'],
    'quote-props': ['error'],
    'quotes': ['error',
      'single'],
    'radix': ['error'],
    'require-jsdoc': ['error'],
    'semi': ['error',
      'always'],
    'sort-imports': ['warn'],
    'sort-keys': ['warn'],
    'space-before-blocks': ['error'],
    'space-before-function-paren': ['warn',
      'always'],
    'space-in-parens': ['error'],
    'space-infix-ops': ['error'],
    'space-unary-ops': ['error'],
    'spaced-comment': ['error'],
    'strict': ['error'],
    'valid-jsdoc': ['warn'],
  },
};