.eslintrc.js

module.exports = {
  parser: "babel-eslint",
  plugins: [
    "babel",
    "immutable",
    "import",
    "flowtype",
    "promise"
  ],
  env: {
    es6: true,
    node: true,
    browser: true
  },
  settings: {
    "import/resolver": {
      "babel-module": {}
    }
  },
  rules: {
    "babel/new-cap": "error",
    "babel/no-invalid-this": "error",
    "babel/object-curly-spacing": "error",
    "babel/semi": "off", // No thanks
    "flowtype/boolean-style": "error",
    "flowtype/define-flow-type": "error",
    "flowtype/delimiter-dangle": ["error", "only-multiline"],
    "flowtype/generic-spacing": "error",
    "flowtype/no-dupe-keys": "error",
    "flowtype/no-mutable-array": "error",
    "flowtype/no-primitive-constructor-types": "error",
    "flowtype/no-types-missing-file-annotation": "off", // I don't need this
    "flowtype/no-unused-expressions": "error",
    "flowtype/no-weak-types": "error",
    "flowtype/object-type-delimiter": "error",
    "flowtype/require-parameter-type": "error",
    "flowtype/require-return-type": "error",
    "flowtype/require-valid-file-annotation": "error",
    "flowtype/require-variable-type": "off", // Way too much work
    "flowtype/semi": "error",
    "flowtype/sort-keys": "off", // Way too much work
    "flowtype/space-after-type-colon": "error",
    "flowtype/space-before-generic-bracket": "error",
    "flowtype/space-before-type-colon": "error",
    "flowtype/type-id-match": "error",
    "flowtype/union-intersection-spacing": "error",
    "flowtype/use-flow-type": "error",
    "immutable/no-let": "error",
    "immutable/no-mutation": "warn",
    "immutable/no-this": "error",
    "import/default": "error",
    "import/export": "error",
    "import/exports-last": "error",
    "import/extensions": "error",
    "import/first": "error",
    "import/max-dependencies": "warn",
    "import/named": "error",
    "import/namespace": "error",
    "import/newline-after-import": "error",
    "import/no-absolute-path": "error",
    "import/no-amd": "error",
    "import/no-anonymous-default-export": "error",
    "import/no-commonjs": "error",
    "import/no-deprecated": "error",
    "import/no-duplicates": "off", // This rule doesn't understand my style
    "import/no-dynamic-require": "error",
    "import/no-extraneous-dependencies": "error",
    "import/no-internal-modules": "error",
    "import/no-mutable-exports": "error",
    "import/no-named-as-default-member": "error",
    "import/no-named-as-default": "error",
    "import/no-named-default": "error",
    "import/no-namespace": "error",
    "import/no-nodejs-modules": "off", // Only for frontend
    "import/no-restricted-paths": "error",
    "import/no-unassigned-import": "error",
    "import/no-unresolved": "error",
    "import/no-webpack-loader-syntax": "error",
    "import/order": "error",
    "import/prefer-default-export": "error",
    "import/unambiguous": "error",
    "promise/always-return": "error",
    "promise/avoid-new": "error",
    "promise/catch-or-return": "error",
    "promise/no-callback-in-promise": "error",
    "promise/no-native": "off", // We have babel
    "promise/no-nesting": "error",
    "promise/no-promise-in-callback": "error",
    "promise/no-return-in-finally": "error",
    "promise/no-return-wrap": "error",
    "promise/param-names": "error",
    "promise/prefer-await-to-callbacks": "off", // Not convinced of await/async
    "promise/prefer-await-to-then": "off", // Not convinced of await/async
    "accessor-pairs": "error",
    "array-bracket-newline": "off",
    "array-bracket-spacing": "error",
    "array-callback-return": "error",
    "array-element-newline": "off",
    "arrow-body-style": "off", // Weird style
    "arrow-parens": "error",
    "arrow-spacing": "error",
    "block-scoped-var": "error",
    "block-spacing": "error",
    "brace-style": "error",
    "callback-return": "error",
    "camelcase": "warn",
    "capitalized-comments": "off", // What a stupid rule
    "class-methods-use-this": "error",
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": "error",
    "comma-style": "error",
    "complexity": "error",
    "computed-property-spacing": "error",
    "consistent-return": "error",
    "consistent-this": "error",
    "constructor-super": "error",
    "curly": "error",
    "default-case": "error",
    "dot-location": ["error", "property"],
    "dot-notation": "error",
    "eol-last": "error",
    "eqeqeq": "error",
    "for-direction": "error",
    "func-call-spacing": "error",
    "func-name-matching": "error",
    "func-names": "error",
    "func-style": ["error", "expression", {allowArrowFunctions: true}],
    "function-paren-newline": ["error", "consistent"],
    "generator-star-spacing": "error",
    "getter-return": "error",
    "global-require": "error",
    "guard-for-in": "error",
    "handle-callback-err": "error",
    "id-blacklist": "error",
    "id-length": "error",
    "id-match": "error",
    "indent": ["error", 2, {"SwitchCase": 1}],
    "init-declarations": "error",
    "jsx-quotes": "error",
    "key-spacing": "error",
    "keyword-spacing": "error",
    "line-comment-position": "error",
    "linebreak-style": ["error", "unix"],
    "lines-around-comment": "error",
    "lines-around-directive": "error",
    "max-depth": "error",
    "max-len": "off", // Causes more work than anything else
    "max-lines": "warn",
    "max-nested-callbacks": "error",
    "max-params": "error",
    "max-statements-per-line": "error",
    "max-statements": "error",
    "multiline-ternary": ["error", "never"],
    "new-cap": "error",
    "new-parens": "error",
    "newline-after-var": "error",
    "newline-before-return": "error",
    "newline-per-chained-call": "error",
    "no-alert": "error",
    "no-array-constructor": "error",
    "no-await-in-loop": "error",
    "no-bitwise": "off", // Doesn't work with pipes
    "no-buffer-constructor": "error",
    "no-caller": "error",
    "no-case-declarations": "error",
    "no-catch-shadow": "error",
    "no-class-assign": "error",
    "no-compare-neg-zero": "error",
    "no-cond-assign": "error",
    "no-confusing-arrow": "error",
    "no-console": "warn",
    "no-const-assign": "error",
    "no-constant-condition": "error",
    "no-continue": "error",
    "no-control-regex": "error",
    "no-debugger": "error",
    "no-delete-var": "error",
    "no-div-regex": "error",
    "no-dupe-args": "error",
    "no-dupe-class-members": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-duplicate-imports": "off", // This rule doesn't understand my style
    "no-else-return": "error",
    "no-empty-character-class": "error",
    "no-empty-function": "error",
    "no-empty-pattern": "error",
    "no-empty": "error",
    "no-eq-null": "error",
    "no-eval": "error",
    "no-ex-assign": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-boolean-cast": "error",
    "no-extra-label": "error",
    "no-extra-parens": "error",
    "no-extra-semi": "error",
    "no-fallthrough": "error",
    "no-floating-decimal": "error",
    "no-func-assign": "error",
    "no-global-assign": "error",
    "no-implicit-coercion": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-inline-comments": "error",
    "no-inner-declarations": "error",
    "no-invalid-regexp": "error",
    "no-invalid-this": "error",
    "no-irregular-whitespace": "error",
    "no-iterator": "error",
    "no-label-var": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-lonely-if": "error",
    "no-loop-func": "error",
    "no-magic-numbers": "warn",
    "no-mixed-operators": "error",
    "no-mixed-requires": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-multi-assign": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-multiple-empty-lines": "error",
    "no-native-reassign": "error",
    "no-negated-condition": "error",
    "no-negated-in-lhs": "error",
    "no-nested-ternary": "error",
    "no-new-func": "error",
    "no-new-object": "error",
    "no-new-require": "error",
    "no-new-symbol": "error",
    "no-new-wrappers": "error",
    "no-new": "error",
    "no-obj-calls": "error",
    "no-octal-escape": "error",
    "no-octal": "error",
    "no-param-reassign": "error",
    "no-path-concat": "error",
    "no-plusplus": "error",
    "no-process-env": "off", // What a stupid rule
    "no-process-exit": "off", // What a stupid rule
    "no-proto": "error",
    "no-prototype-builtins": "error",
    "no-redeclare": "error",
    "no-regex-spaces": "error",
    "no-restricted-globals": "error",
    "no-restricted-imports": "error",
    "no-restricted-modules": "error",
    "no-restricted-properties": "error",
    "no-restricted-syntax": "error",
    "no-return-assign": "error",
    "no-return-await": "error",
    "no-script-url": "error",
    "no-self-assign": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-shadow-restricted-names": "error",
    "no-shadow": "error",
    "no-spaced-func": "error",
    "no-sparse-arrays": "error",
    "no-sync": "error",
    "no-tabs": "error",
    "no-template-curly-in-string": "error",
    "no-ternary": "off", // Not sure this is a good rule
    "no-this-before-super": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef-init": "error",
    "no-undef": "error",
    "no-undefined": "error",
    "no-underscore-dangle": "error",
    "no-unexpected-multiline": "error",
    "no-unmodified-loop-condition": "error",
    "no-unneeded-ternary": "error",
    "no-unreachable": "error",
    "no-unsafe-finally": "error",
    "no-unsafe-negation": "error",
    "no-unused-expressions": "error",
    "no-unused-labels": "error",
    "no-unused-vars": "error",
    "no-use-before-define": "error",
    "no-useless-call": "error",
    "no-useless-computed-key": "error",
    "no-useless-concat": "error",
    "no-useless-constructor": "error",
    "no-useless-escape": "error",
    "no-useless-rename": "error",
    "no-useless-return": "error",
    "no-var": "error",
    "no-void": "error",
    "no-warning-comments": "error",
    "no-whitespace-before-property": "error",
    "no-with": "error",
    "nonblock-statement-body-position": "error",
    "object-curly-newline": "off",
    "object-curly-spacing": "error",
    "object-property-newline": "off",
    "object-shorthand": "error",
    "one-var-declaration-per-line": "error",
    "one-var": ["error", "never"],
    "operator-assignment": "error",
    "operator-linebreak": "off", // Doesn't work with pipes
    "padded-blocks": "error",
    "padded-blocks": ["error", "never"],
    "padding-line-between-statements": "error",
    "prefer-arrow-callback": "error",
    "prefer-const": "error",
    "prefer-destructuring": "error",
    "prefer-numeric-literals": "error",
    "prefer-promise-reject-errors": "error",
    "prefer-reflect": "error",
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "prefer-template": "error",
    "quote-props": ["error", "consistent-as-needed", {keywords: true}],
    "quotes": "error",
    "radix": "error",
    "require-await": "error",
    "require-jsdoc": "off", // What is this even?
    "require-yield": "error",
    "rest-spread-spacing": "error",
    "semi-spacing": "error",
    "semi-style": "error",
    "semi": ["error", "never"],
    "sort-imports": "off", // Not worth the hassle
    "sort-vars": "off", // I don't like making busy work for myself
    "space-before-blocks": "error",
    "space-before-function-paren": "error",
    "space-in-parens": "error",
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "spaced-comment": "error",
    "strict": ["error", "never"],
    "switch-colon-spacing": "error",
    "symbol-description": "error",
    "template-curly-spacing": "error",
    "template-tag-spacing": "error",
    "unicode-bom": "error",
    "use-isnan": "error",
    "valid-jsdoc": "error",
    "valid-typeof": "error",
    "vars-on-top": "error",
    "wrap-iife": "error",
    "wrap-regex": "error",
    "yield-star-spacing": "error",
    "yoda": "error",
    "sort-keys": "off",
  }
}