eslint-config-kentcdodds/possible-errors.js

ESLint rules according to kentcdodds' personal preference

module.exports = {
  env: {
    browser: true,
    node: true,
  },
  rules: {
    'no-cond-assign': 2,
    'no-console': 2,
    'no-constant-condition': 2,
    'no-control-regex': 2,
    'no-compare-neg-zero': 2,
    'no-debugger': 2,
    'no-dupe-args': 2,
    'no-dupe-keys': 2,
    'no-duplicate-case': 2,
    'no-empty-character-class': 2,
    'no-empty': 2,
    'no-ex-assign': 2,
    'no-extra-boolean-cast': 0,
    'no-extra-parens': 0,
    'no-extra-semi': 2,
    'no-func-assign': 2,
    'no-inner-declarations': 2,
    'no-invalid-regexp': 2,
    'no-irregular-whitespace': 2,
    'no-negated-in-lhs': 2,
    'no-obj-calls': 2,
    'no-prototype-builtins': 0,
    'no-regex-spaces': 2,
    'no-sparse-arrays': 2,
    'no-template-curly-in-string': 2,
    'no-unexpected-multiline': 2,
    'no-unreachable': 2,
    'no-unsafe-finally': 2,
    'no-unsafe-negation': 2,
    'use-isnan': 2,
    'valid-jsdoc': [2, {requireReturn: false}],
    'valid-typeof': 2,

    // variables
    'no-use-before-define': [2, 'nofunc'],
  },
}