@stordata/eslint-config/index.js

Shareable ESLint configuration for Stordata projects

'use strict';

module.exports = {
  extends: [
    'airbnb-base',
    'plugin:n/recommended',
    'plugin:json/recommended'
  ],
  env: {
    node: true,
    mocha: true
  },
  plugins: [
    'n',
    'import',
    'json',
    'no-only-tests'
  ],
  rules: {
    strict: ['error', 'safe'],
    indent: ['error', 2, {
      VariableDeclarator: {
        var: 2,
        let: 2,
        const: 3
      },
      SwitchCase: 1
    }],
    'one-var': ['error', 'consecutive'],
    'comma-dangle': ['error', 'never'],
    'consistent-return': ['off'],
    'space-before-function-paren': ['error', 'never'],
    'no-unused-vars': ['error', { argsIgnorePattern: 'next' }],
    'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
    'max-len': ['error', 150, {
      ignoreUrls: true,
      ignoreComments: false,
      ignoreRegExpLiterals: true,
      ignoreStrings: true,
      ignoreTemplateLiterals: true
    }],
    'no-multiple-empty-lines': ['error', { max: 1 }],
    'arrow-parens': ['error', 'as-needed', { requireForBlockBody: true }],
    'global-require': ['off'], // TODO Remove and fix violations
    'object-curly-newline': ['off'],
    'func-names': 'off',
    'padded-blocks': 'off',
    'no-underscore-dangle': 'off',
    'no-extra-parens': 'error',
    'no-restricted-syntax': 'off',
    'no-await-in-loop': 'off',
    'no-use-before-define': 'off',
    'newline-before-return': 'error',
    'import/order': 'off', // TODO Remove and fix violations
    'operator-linebreak': 'off',
    'no-process-exit': 'off',
    'no-param-reassign': ['error', {
      props: true,
      ignorePropertyModificationsFor: [
        // Inherited from Airbnb style guide
        'acc', // for reduce accumulators
        'accumulator', // for reduce accumulators
        'req', // for Express requests
        'res', // for Express responses
        '$scope', // for Angular 1 scopes
        // Stordata overrides
        'instance', // For sequelize instances (in hooks for instance)
        '$delegate' // For $provide.decorator()
      ]
    }],
    'class-methods-use-this': ['off']
  },
  overrides: [
    {
      files: [
        '**/*.test.js',
        '**/*.spec.js',
        '**/*.spec.jsx',
        'setupTests.js',
        'setupTests.jsx',
        'Gruntfile.js'
      ],
      rules: {
        'no-only-tests/no-only-tests': 'error',
        'import/no-extraneous-dependencies': ['off'],
        'n/no-unpublished-require': ['off'], // https://github.com/mysticatea/eslint-plugin-node/issues/47
        'n/no-unpublished-import': ['off'], // https://github.com/mysticatea/eslint-plugin-node/issues/47
        'prefer-arrow-callback': 'off' // Mocha stores everything on this, arrow functions can't be used
      }
    }
  ]
};