# Eslint detailed rules ## Rules used by eslint These are the rules resulting of current configuration in `eslintrc.js` ```json { "globals": { "Array": false, "ArrayBuffer": false, "Boolean": false, "constructor": false, "DataView": false, "Date": false, "decodeURI": false, "decodeURIComponent": false, "encodeURI": false, "encodeURIComponent": false, "Error": false, "escape": false, "eval": false, "EvalError": false, "Float32Array": false, "Float64Array": false, "Function": false, "hasOwnProperty": false, "Infinity": false, "Int16Array": false, "Int32Array": false, "Int8Array": false, "isFinite": false, "isNaN": false, "isPrototypeOf": false, "JSON": false, "Map": false, "Math": false, "NaN": false, "Number": false, "Object": false, "parseFloat": false, "parseInt": false, "Promise": false, "propertyIsEnumerable": false, "Proxy": false, "RangeError": false, "ReferenceError": false, "Reflect": false, "RegExp": false, "Set": false, "String": false, "Symbol": false, "SyntaxError": false, "toLocaleString": false, "toString": false, "TypeError": false, "Uint16Array": false, "Uint32Array": false, "Uint8Array": false, "Uint8ClampedArray": false, "undefined": false, "unescape": false, "URIError": false, "valueOf": false, "WeakMap": false, "WeakSet": false, "arguments": false, "GLOBAL": false, "root": false, "__dirname": false, "__filename": false, "Buffer": false, "clearImmediate": false, "clearInterval": false, "clearTimeout": false, "console": false, "exports": true, "global": false, "Intl": false, "module": false, "process": false, "require": false, "setImmediate": false, "setInterval": false, "setTimeout": false, "URL": false, "URLSearchParams": false, "after": false, "afterEach": false, "before": false, "beforeEach": false, "context": false, "describe": false, "it": false, "mocha": false, "run": false, "setup": false, "specify": false, "suite": false, "suiteSetup": false, "suiteTeardown": false, "teardown": false, "test": false, "xcontext": false, "xdescribe": false, "xit": false, "xspecify": false, "document": false, "navigator": false, "window": false }, "env": { "es6": true, "node": true, "mocha": true }, "rules": { "accessor-pairs": "error", "arrow-spacing": [ "off", { "before": true, "after": true } ], "block-spacing": [ "off", "always" ], "brace-style": [ "off", "1tbs", { "allowSingleLine": true } ], "camelcase": [ "error", { "properties": "never" } ], "comma-dangle": [ "off", { "arrays": "never", "objects": "never", "imports": "never", "exports": "never", "functions": "never" } ], "comma-spacing": [ "off", { "before": false, "after": true } ], "comma-style": [ "off", "last" ], "constructor-super": "error", "curly": [ 0, "multi-line" ], "dot-location": [ "off", "property" ], "eol-last": "off", "eqeqeq": [ "error", "always", { "null": "ignore" } ], "func-call-spacing": [ "off", "never" ], "generator-star-spacing": [ "off", { "before": true, "after": true } ], "handle-callback-err": [ "error", "^(err|error)$" ], "indent": [ "off", 2, { "SwitchCase": 1, "VariableDeclarator": 1, "outerIIFEBody": 1, "MemberExpression": 1, "FunctionDeclaration": { "parameters": 1, "body": 1 }, "FunctionExpression": { "parameters": 1, "body": 1 }, "CallExpression": { "arguments": 1 }, "ArrayExpression": 1, "ObjectExpression": 1, "ImportDeclaration": 1, "flatTernaryExpressions": false, "ignoreComments": false } ], "key-spacing": [ "off", { "beforeColon": false, "afterColon": true } ], "keyword-spacing": [ "off", { "before": true, "after": true } ], "new-cap": [ "error", { "newIsCap": true, "capIsNew": false } ], "new-parens": "off", "no-array-constructor": "error", "no-caller": "error", "no-class-assign": "error", "no-compare-neg-zero": "error", "no-cond-assign": "error", "no-const-assign": "error", "no-constant-condition": [ "error", { "checkLoops": false } ], "no-control-regex": "error", "no-debugger": "error", "no-delete-var": "error", "no-dupe-args": "error", "no-dupe-class-members": "error", "no-dupe-keys": "error", "no-duplicate-case": "error", "no-empty-character-class": "error", "no-empty-pattern": "error", "no-eval": "error", "no-ex-assign": "error", "no-extend-native": "error", "no-extra-bind": "error", "no-extra-boolean-cast": "error", "no-extra-parens": [ "off", "functions" ], "no-fallthrough": "error", "no-floating-decimal": "off", "no-func-assign": "error", "no-global-assign": "error", "no-implied-eval": "error", "no-inner-declarations": [ "error", "functions" ], "no-invalid-regexp": "error", "no-irregular-whitespace": "error", "no-iterator": "error", "no-label-var": "error", "no-labels": [ "error", { "allowLoop": false, "allowSwitch": false } ], "no-lone-blocks": "error", "no-mixed-operators": [ 0, { "groups": [ [ "==", "!=", "===", "!==", ">", ">=", "<", "<=" ], [ "&&", "||" ], [ "in", "instanceof" ] ], "allowSamePrecedence": true } ], "no-mixed-spaces-and-tabs": "off", "no-multi-spaces": "off", "no-multi-str": "error", "no-multiple-empty-lines": [ "off", { "max": 1, "maxEOF": 0 } ], "no-negated-in-lhs": "error", "no-new": "error", "no-new-func": "error", "no-new-object": "error", "no-new-require": "error", "no-new-symbol": "error", "no-new-wrappers": "error", "no-obj-calls": "error", "no-octal": "error", "no-octal-escape": "error", "no-path-concat": "error", "no-proto": "error", "no-redeclare": "error", "no-regex-spaces": "error", "no-return-assign": [ "error", "except-parens" ], "no-return-await": "error", "no-self-assign": "error", "no-self-compare": "error", "no-sequences": "error", "no-shadow-restricted-names": "error", "no-sparse-arrays": "error", "no-tabs": 0, "no-template-curly-in-string": "error", "no-this-before-super": "error", "no-throw-literal": "error", "no-trailing-spaces": "off", "no-undef": "error", "no-undef-init": "error", "no-unexpected-multiline": 0, "no-unmodified-loop-condition": "error", "no-unneeded-ternary": [ "error", { "defaultAssignment": false } ], "no-unreachable": "error", "no-unsafe-finally": "error", "no-unsafe-negation": "error", "no-unused-expressions": [ 0, { "allowShortCircuit": true, "allowTernary": true, "allowTaggedTemplates": true } ], "no-unused-vars": [ "error", { "vars": "all", "args": "none", "ignoreRestSiblings": true } ], "no-use-before-define": [ "error", { "functions": false, "classes": false, "variables": false } ], "no-useless-call": "error", "no-useless-computed-key": "error", "no-useless-constructor": "error", "no-useless-escape": "error", "no-useless-rename": "error", "no-useless-return": "error", "no-whitespace-before-property": "off", "no-with": "error", "object-property-newline": [ "off", { "allowMultiplePropertiesPerLine": true } ], "one-var": [ "error", { "initialized": "never" } ], "operator-linebreak": [ "off", "after", { "overrides": { "?": "before", ":": "before" } } ], "padded-blocks": [ "off", { "blocks": "never", "switches": "never", "classes": "never" } ], "prefer-promise-reject-errors": "error", "quotes": [ 0, "single", { "avoidEscape": true, "allowTemplateLiterals": true } ], "rest-spread-spacing": [ "off", "never" ], "semi": [ "off", "never" ], "semi-spacing": [ "off", { "before": false, "after": true } ], "space-before-blocks": [ "off", "always" ], "space-before-function-paren": [ "off", "always" ], "space-in-parens": [ "off", "never" ], "space-infix-ops": "off", "space-unary-ops": [ "off", { "words": true, "nonwords": false } ], "spaced-comment": [ "error", "always", { "line": { "markers": [ "*package", "!", "/", ",", "=" ] }, "block": { "balanced": true, "markers": [ "*package", "!", ",", ":", "::", "flow-include" ], "exceptions": [ "*" ] } } ], "symbol-description": "error", "template-curly-spacing": [ "off", "never" ], "template-tag-spacing": [ "off", "never" ], "unicode-bom": [ "off", "never" ], "use-isnan": "error", "valid-typeof": [ "error", { "requireStringLiterals": true } ], "wrap-iife": [ "off", "any", { "functionPrototypeMethods": true } ], "yield-star-spacing": [ "off", "both" ], "yoda": [ "error", "never" ], "import/export": "error", "import/first": "error", "import/no-duplicates": "error", "import/no-webpack-loader-syntax": "error", "node/no-deprecated-api": "error", "node/process-exit-as-throw": "error", "promise/param-names": "error", "standard/array-bracket-even-spacing": [ "off", "either" ], "standard/computed-property-even-spacing": [ "off", "even" ], "standard/no-callback-literal": "error", "standard/object-curly-even-spacing": [ "off", "either" ], "jsx-quotes": [ "off", "prefer-single" ], "react/jsx-boolean-value": "error", "react/jsx-curly-spacing": [ "off", "never" ], "react/jsx-equals-spacing": [ "off", "never" ], "react/jsx-indent": [ "off", 2 ], "react/jsx-indent-props": [ "off", 2 ], "react/jsx-no-duplicate-props": [ "warn", { "ignoreCase": true } ], "react/jsx-no-undef": "warn", "react/jsx-tag-spacing": [ "off", { "beforeSelfClosing": "always" } ], "react/jsx-uses-react": "warn", "react/jsx-uses-vars": "warn", "react/self-closing-comp": "error", "react/jsx-no-bind": [ "error", { "allowArrowFunctions": true, "allowBind": false, "ignoreRefs": true } ], "react/no-did-update-set-state": "error", "react/no-unknown-property": "error", "react/no-unused-prop-types": 1, "react/prop-types": "error", "react/react-in-jsx-scope": "warn", "chai-friendly/no-unused-expressions": [ "error", { "allowShortCircuit": true, "allowTernary": true } ], "no-console": "warn", "no-nested-ternary": "warn", "react/default-props-match-prop-types": "warn", "react/jsx-pascal-case": [ "warn", { "allowAllCaps": true, "ignore": [] } ], "react/no-deprecated": "warn", "react/no-direct-mutation-state": "error", "react/no-is-mounted": "warn", "react/no-multi-comp": [ "warn", { "ignoreStateless": true } ], "react/require-render-return": "warn", "strict": 0, "lines-around-comment": 0, "max-len": 0, "no-confusing-arrow": 0, "array-bracket-newline": "off", "array-bracket-spacing": "off", "array-element-newline": "off", "arrow-parens": "off", "computed-property-spacing": "off", "function-paren-newline": "off", "generator-star": "off", "implicit-arrow-linebreak": "off", "indent-legacy": "off", "multiline-ternary": "off", "newline-per-chained-call": "off", "no-arrow-condition": "off", "no-comma-dangle": "off", "no-extra-semi": "off", "no-reserved-keys": "off", "no-space-before-semi": "off", "no-spaced-func": "off", "no-wrap-func": "off", "nonblock-statement-body-position": "off", "object-curly-newline": "off", "object-curly-spacing": "off", "one-var-declaration-per-line": "off", "quote-props": "off", "semi-style": "off", "space-after-function-name": "off", "space-after-keywords": "off", "space-before-function-parentheses": "off", "space-before-keywords": "off", "space-in-brackets": "off", "space-return-throw-case": "off", "space-unary-word-ops": "off", "switch-colon-spacing": "off", "wrap-regex": "off", "react/jsx-closing-bracket-location": "off", "react/jsx-closing-tag-location": "off", "react/jsx-first-prop-new-line": "off", "react/jsx-max-props-per-line": "off", "react/jsx-one-expression-per-line": "off", "react/jsx-space-before-closing": "off", "react/jsx-wrap-multilines": "off", "prettier/prettier": [ "error", { "printWidth": 80, "tabWidth": 2, "singleQuote": true, "trailingComma": "none", "bracketSpacing": false, "semi": false, "useTabs": false, "parser": "babylon", "jsxBracketSameLine": false, "arrowParens": "avoid" } ] }, "parserOptions": { "ecmaVersion": 8, "ecmaFeatures": { "globalReturn": true, "experimentalObjectRestSpread": true, "jsx": true }, "sourceType": "module" }, "plugins": [ "import", "node", "promise", "standard", "react", "chai-friendly", "prettier" ], "extends": [ "./node_modules/eslint-config-standard-jsx/index.js", "standard", "standard-react", "./node_modules/@s-ui/lint/eslintrc.js", "prettier", "prettier/standard", "prettier/react" ], "parser": "babel-eslint" } ``` --- This output was obtained executing: ```sh $ npm run eslint:print-rules ``` ## Rules conflicting with prettier No rules that are unnecessary or conflict with Prettier were found. --- This output was obtained executing: ```sh $ npm run eslint:prettier-check ```