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ESLint 4.1.1 [object Object]: ESLint configuration is invalid: - Unexpected top-level property "ecmaFeatures]
See original GitHub issueTell us about your environment I am on a Ubuntu 16.04 and I had tons of trouble getting to where I am now, but then I just started installing everything globally, as stated by others.
- ESLint Version: - 4.1.1
- Node Version: - 6.2.1
- npm Version: - 3.9.3
Please show your full configuration:
Installed all of these eslint (globally), eslint-plugin-import, eslint-plugin-react, and eslint-plugin-jsx-a11y (globally) and eslint-config-airbnb (globally).
What did you do? Please include the actual source code causing the issue.
I looked at these questions from previous versions:
- Error: Cannot find module ‘eslint-config-airbnb/base’ from ‘/usr/lib/node_modules’ (this one was for the previous issue, leading up to this one)
- https://github.com/airbnb/javascript/issues/1454 (couldn’t understand this one)
- ESLint configuration is invalid: Unexpected top-level property "ecmaFeatures
This one showed me that I don’t have a .eslintrc.json file and I don’t really know if I am supposed to create one. So what I decided to do was copy this json from the documentation and saving it to see if it works!
It actually worked.
This is what happens when I printed out node ./node_modules/eslint/bin/eslint.js --print-config ./index.js
{
"globals": {
"__dirname": false,
"__filename": false,
"arguments": false,
"Buffer": false,
"clearImmediate": false,
"clearInterval": false,
"clearTimeout": false,
"console": false,
"exports": true,
"GLOBAL": false,
"global": false,
"Intl": false,
"module": false,
"process": false,
"require": false,
"root": false,
"setImmediate": false,
"setInterval": false,
"setTimeout": false,
"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,
"System": 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
},
"env": {
"node": true,
"es6": true
},
"rules": {
"accessor-pairs": "off",
"array-callback-return": "error",
"block-scoped-var": "error",
"complexity": [
"off",
11
],
"class-methods-use-this": [
"error",
{
"exceptMethods": [
"render",
"getInitialState",
"getDefaultProps",
"getChildContext",
"componentWillMount",
"componentDidMount",
"componentWillReceiveProps",
"shouldComponentUpdate",
"componentWillUpdate",
"componentDidUpdate",
"componentWillUnmount"
]
}
],
"consistent-return": "error",
"curly": [
"error",
"multi-line"
],
"default-case": [
"error",
{
"commentPattern": "^no default$"
}
],
"dot-notation": [
"error",
{
"allowKeywords": true
}
],
"dot-location": [
"error",
"property"
],
"eqeqeq": [
"error",
"always",
{
"null": "ignore"
}
],
"guard-for-in": "error",
"no-alert": "warn",
"no-caller": "error",
"no-case-declarations": "error",
"no-div-regex": "off",
"no-else-return": "error",
"no-empty-function": [
"error",
{
"allow": [
"arrowFunctions",
"functions",
"methods"
]
}
],
"no-empty-pattern": "error",
"no-eq-null": "off",
"no-eval": "error",
"no-extend-native": "error",
"no-extra-bind": "error",
"no-extra-label": "error",
"no-fallthrough": "error",
"no-floating-decimal": "error",
"no-global-assign": [
"error",
{
"exceptions": []
}
],
"no-native-reassign": "off",
"no-implicit-coercion": [
"off",
{
"boolean": false,
"number": true,
"string": true,
"allow": []
}
],
"no-implicit-globals": "off",
"no-implied-eval": "error",
"no-invalid-this": "off",
"no-iterator": "error",
"no-labels": [
"error",
{
"allowLoop": false,
"allowSwitch": false
}
],
"no-lone-blocks": "error",
"no-loop-func": "error",
"no-magic-numbers": [
"off",
{
"ignore": [],
"ignoreArrayIndexes": true,
"enforceConst": true,
"detectObjects": false
}
],
"no-multi-spaces": "error",
"no-multi-str": "error",
"no-new": "error",
"no-new-func": "error",
"no-new-wrappers": "error",
"no-octal": "error",
"no-octal-escape": "error",
"no-param-reassign": [
"error",
{
"props": true,
"ignorePropertyModificationsFor": [
"acc",
"e",
"ctx",
"req",
"request",
"res",
"response",
"$scope"
]
}
],
"no-proto": "error",
"no-redeclare": "error",
"no-restricted-properties": [
"error",
{
"object": "arguments",
"property": "callee",
"message": "arguments.callee is deprecated"
},
{
"property": "__defineGetter__",
"message": "Please use Object.defineProperty instead."
},
{
"property": "__defineSetter__",
"message": "Please use Object.defineProperty instead."
},
{
"object": "Math",
"property": "pow",
"message": "Use the exponentiation operator (**) instead."
}
],
"no-return-assign": "error",
"no-return-await": "error",
"no-script-url": "error",
"no-self-assign": "error",
"no-self-compare": "error",
"no-sequences": "error",
"no-throw-literal": "error",
"no-unmodified-loop-condition": "off",
"no-unused-expressions": [
"error",
{
"allowShortCircuit": false,
"allowTernary": false,
"allowTaggedTemplates": false
}
],
"no-unused-labels": "error",
"no-useless-call": "off",
"no-useless-concat": "error",
"no-useless-escape": "error",
"no-useless-return": "error",
"no-void": "error",
"no-warning-comments": [
"off",
{
"terms": [
"todo",
"fixme",
"xxx"
],
"location": "start"
}
],
"no-with": "error",
"prefer-promise-reject-errors": [
"off",
{
"allowEmptyReject": true
}
],
"radix": "error",
"require-await": "off",
"vars-on-top": "error",
"wrap-iife": [
"error",
"outside",
{
"functionPrototypeMethods": false
}
],
"yoda": "error",
"comma-dangle": [
"error",
{
"arrays": "always-multiline",
"objects": "always-multiline",
"imports": "always-multiline",
"exports": "always-multiline",
"functions": "always-multiline"
}
],
"no-await-in-loop": "error",
"no-compare-neg-zero": "off",
"no-cond-assign": [
"error",
"always"
],
"no-console": "warn",
"no-constant-condition": "warn",
"no-control-regex": "error",
"no-debugger": "error",
"no-dupe-args": "error",
"no-dupe-keys": "error",
"no-duplicate-case": "error",
"no-empty": "error",
"no-empty-character-class": "error",
"no-ex-assign": "error",
"no-extra-boolean-cast": "error",
"no-extra-parens": [
"off",
"all",
{
"conditionalAssign": true,
"nestedBinaryExpressions": false,
"returnAssign": false
}
],
"no-extra-semi": "error",
"no-func-assign": "error",
"no-inner-declarations": "error",
"no-invalid-regexp": "error",
"no-irregular-whitespace": "error",
"no-obj-calls": "error",
"no-prototype-builtins": "error",
"no-regex-spaces": "error",
"no-sparse-arrays": "error",
"no-template-curly-in-string": "error",
"no-unexpected-multiline": "error",
"no-unreachable": "error",
"no-unsafe-finally": "error",
"no-unsafe-negation": "error",
"no-negated-in-lhs": "off",
"use-isnan": "error",
"valid-jsdoc": "off",
"valid-typeof": [
"error",
{
"requireStringLiterals": true
}
],
"callback-return": "off",
"global-require": "error",
"handle-callback-err": "off",
"no-mixed-requires": [
"off",
false
],
"no-new-require": "error",
"no-path-concat": "error",
"no-process-env": "off",
"no-process-exit": "off",
"no-restricted-modules": "off",
"no-sync": "off",
"array-bracket-spacing": [
"error",
"never"
],
"block-spacing": [
"error",
"always"
],
"brace-style": [
"error",
"1tbs",
{
"allowSingleLine": true
}
],
"camelcase": [
"error",
{
"properties": "never"
}
],
"capitalized-comments": [
"off",
"never",
{
"line": {
"ignorePattern": ".*",
"ignoreInlineComments": true,
"ignoreConsecutiveComments": true
},
"block": {
"ignorePattern": ".*",
"ignoreInlineComments": true,
"ignoreConsecutiveComments": true
}
}
],
"comma-spacing": [
"error",
{
"before": false,
"after": true
}
],
"comma-style": [
"error",
"last"
],
"computed-property-spacing": [
"error",
"never"
],
"consistent-this": "off",
"eol-last": [
"error",
"always"
],
"func-call-spacing": [
"error",
"never"
],
"func-name-matching": [
"off",
"always",
{
"includeCommonJSModuleExports": false
}
],
"func-names": "warn",
"func-style": [
"off",
"expression"
],
"id-blacklist": "off",
"id-length": "off",
"id-match": "off",
"indent": [
"error",
2,
{
"SwitchCase": 1,
"VariableDeclarator": 1,
"outerIIFEBody": 1,
"FunctionDeclaration": {
"parameters": 1,
"body": 1
},
"FunctionExpression": {
"parameters": 1,
"body": 1
}
}
],
"jsx-quotes": [
"error",
"prefer-double"
],
"key-spacing": [
"error",
{
"beforeColon": false,
"afterColon": true
}
],
"keyword-spacing": [
"error",
{
"before": true,
"after": true,
"overrides": {
"return": {
"after": true
},
"throw": {
"after": true
},
"case": {
"after": true
}
}
}
],
"line-comment-position": [
"off",
{
"position": "above",
"ignorePattern": "",
"applyDefaultPatterns": true
}
],
"linebreak-style": [
"error",
"unix"
],
"lines-around-comment": "off",
"lines-around-directive": [
"error",
{
"before": "always",
"after": "always"
}
],
"max-depth": [
"off",
4
],
"max-len": [
"error",
100,
2,
{
"ignoreUrls": true,
"ignoreComments": false,
"ignoreRegExpLiterals": true,
"ignoreStrings": true,
"ignoreTemplateLiterals": true
}
],
"max-lines": [
"off",
{
"max": 300,
"skipBlankLines": true,
"skipComments": true
}
],
"max-nested-callbacks": "off",
"max-params": [
"off",
3
],
"max-statements": [
"off",
10
],
"max-statements-per-line": [
"off",
{
"max": 1
}
],
"multiline-ternary": [
"off",
"never"
],
"new-cap": [
"error",
{
"newIsCap": true,
"newIsCapExceptions": [],
"capIsNew": false,
"capIsNewExceptions": [
"Immutable.Map",
"Immutable.Set",
"Immutable.List"
]
}
],
"new-parens": "error",
"newline-after-var": "off",
"newline-before-return": "off",
"newline-per-chained-call": [
"error",
{
"ignoreChainWithDepth": 4
}
],
"no-array-constructor": "error",
"no-bitwise": "error",
"no-continue": "error",
"no-inline-comments": "off",
"no-lonely-if": "error",
"no-mixed-operators": [
"error",
{
"groups": [
[
"+",
"-",
"*",
"/",
"%",
"**"
],
[
"&",
"|",
"^",
"~",
"<<",
">>",
">>>"
],
[
"==",
"!=",
"===",
"!==",
">",
">=",
"<",
"<="
],
[
"&&",
"||"
],
[
"in",
"instanceof"
]
],
"allowSamePrecedence": false
}
],
"no-mixed-spaces-and-tabs": "error",
"no-multi-assign": [
"error"
],
"no-multiple-empty-lines": [
"error",
{
"max": 2,
"maxEOF": 1
}
],
"no-negated-condition": "off",
"no-nested-ternary": "error",
"no-new-object": "error",
"no-plusplus": "error",
"no-restricted-syntax": [
"error",
{
"selector": "ForInStatement",
"message": "for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array."
},
{
"selector": "ForOfStatement",
"message": "iterators/generators require regenerator-runtime, which is too heavyweight for this guide to allow them. Separately, loops should be avoided in favor of array iterations."
},
{
"selector": "LabeledStatement",
"message": "Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand."
},
{
"selector": "WithStatement",
"message": "`with` is disallowed in strict mode because it makes code impossible to predict and optimize."
}
],
"no-spaced-func": "error",
"no-tabs": "error",
"no-ternary": "off",
"no-trailing-spaces": "error",
"no-underscore-dangle": [
"error",
{
"allowAfterThis": false
}
],
"no-unneeded-ternary": [
"error",
{
"defaultAssignment": false
}
],
"no-whitespace-before-property": "error",
"nonblock-statement-body-position": "off",
"object-curly-spacing": [
"error",
"always"
],
"object-curly-newline": [
"off",
{
"ObjectExpression": {
"minProperties": 0,
"multiline": true
},
"ObjectPattern": {
"minProperties": 0,
"multiline": true
}
}
],
"object-property-newline": [
"error",
{
"allowMultiplePropertiesPerLine": true
}
],
"one-var": [
"error",
"never"
],
"one-var-declaration-per-line": [
"error",
"always"
],
"operator-assignment": [
"error",
"always"
],
"operator-linebreak": "off",
"padded-blocks": [
"error",
"never"
],
"quote-props": [
"error",
"as-needed",
{
"keywords": false,
"unnecessary": true,
"numbers": false
}
],
"quotes": [
"error",
"single",
{
"avoidEscape": true
}
],
"require-jsdoc": "off",
"semi": [
"error",
"always"
],
"semi-spacing": [
"error",
{
"before": false,
"after": true
}
],
"sort-keys": [
"off",
"asc",
{
"caseSensitive": false,
"natural": true
}
],
"sort-vars": "off",
"space-before-blocks": "error",
"space-before-function-paren": [
"error",
{
"anonymous": "always",
"named": "never",
"asyncArrow": "always"
}
],
"space-in-parens": [
"error",
"never"
],
"space-infix-ops": "error",
"space-unary-ops": [
"error",
{
"words": true,
"nonwords": false,
"overrides": {}
}
],
"spaced-comment": [
"error",
"always",
{
"line": {
"exceptions": [
"-",
"+"
],
"markers": [
"=",
"!"
]
},
"block": {
"exceptions": [
"-",
"+"
],
"markers": [
"=",
"!"
],
"balanced": false
}
}
],
"template-tag-spacing": [
"off",
"never"
],
"unicode-bom": [
"error",
"never"
],
"wrap-regex": "off",
"init-declarations": "off",
"no-catch-shadow": "off",
"no-delete-var": "error",
"no-label-var": "error",
"no-restricted-globals": "off",
"no-shadow": "error",
"no-shadow-restricted-names": "error",
"no-undef": "error",
"no-undef-init": "error",
"no-undefined": "off",
"no-unused-vars": [
"error",
{
"vars": "all",
"args": "after-used",
"ignoreRestSiblings": true
}
],
"no-use-before-define": [
"error",
{
"functions": true,
"classes": true,
"variables": true
}
],
"arrow-body-style": [
"error",
"as-needed",
{
"requireReturnForObjectLiteral": false
}
],
"arrow-parens": [
"error",
"as-needed",
{
"requireForBlockBody": true
}
],
"arrow-spacing": [
"error",
{
"before": true,
"after": true
}
],
"constructor-super": "error",
"generator-star-spacing": [
"error",
{
"before": false,
"after": true
}
],
"no-class-assign": "error",
"no-confusing-arrow": [
"error",
{
"allowParens": true
}
],
"no-const-assign": "error",
"no-dupe-class-members": "error",
"no-duplicate-imports": "off",
"no-new-symbol": "error",
"no-restricted-imports": "off",
"no-this-before-super": "error",
"no-useless-computed-key": "error",
"no-useless-constructor": "error",
"no-useless-rename": [
"error",
{
"ignoreDestructuring": false,
"ignoreImport": false,
"ignoreExport": false
}
],
"no-var": "error",
"object-shorthand": [
"error",
"always",
{
"ignoreConstructors": false,
"avoidQuotes": true
}
],
"prefer-arrow-callback": [
"error",
{
"allowNamedFunctions": false,
"allowUnboundThis": true
}
],
"prefer-const": [
"error",
{
"destructuring": "any",
"ignoreReadBeforeAssign": true
}
],
"prefer-destructuring": [
"off",
{
"array": true,
"object": true
},
{
"enforceForRenamedProperties": false
}
],
"prefer-numeric-literals": "error",
"prefer-reflect": "off",
"prefer-rest-params": "error",
"prefer-spread": "error",
"prefer-template": "error",
"require-yield": "error",
"rest-spread-spacing": [
"error",
"never"
],
"sort-imports": [
"off",
{
"ignoreCase": false,
"ignoreMemberSort": false,
"memberSyntaxSortOrder": [
"none",
"all",
"multiple",
"single"
]
}
],
"symbol-description": "error",
"template-curly-spacing": "error",
"yield-star-spacing": [
"error",
"after"
],
"import/no-unresolved": [
"error",
{
"commonjs": true,
"caseSensitive": true
}
],
"import/named": "off",
"import/default": "off",
"import/namespace": "off",
"import/export": "error",
"import/no-named-as-default": "error",
"import/no-named-as-default-member": "error",
"import/no-deprecated": "off",
"import/no-extraneous-dependencies": [
"error",
{
"devDependencies": [
"test/**",
"tests/**",
"spec/**",
"**/__tests__/**",
"test.js",
"test-*.js",
"**/*.test.js",
"**/*.spec.js",
"**/webpack.config.js",
"**/webpack.config.*.js",
"**/rollup.config.js",
"**/rollup.config.*.js",
"**/gulpfile.js",
"**/gulpfile.*.js",
"**/Gruntfile"
],
"optionalDependencies": false
}
],
"import/no-mutable-exports": "error",
"import/no-commonjs": "off",
"import/no-amd": "error",
"import/no-nodejs-modules": "off",
"import/first": [
"error",
"absolute-first"
],
"import/imports-first": "off",
"import/no-duplicates": "error",
"import/no-namespace": "off",
"import/extensions": [
"error",
"always",
{
"js": "never",
"jsx": "never"
}
],
"import/order": [
"off",
{
"groups": [
"builtin",
"external",
"internal",
"parent",
"sibling",
"index"
],
"newlines-between": "never"
}
],
"import/newline-after-import": "error",
"import/prefer-default-export": "error",
"import/no-restricted-paths": "off",
"import/max-dependencies": [
"off",
{
"max": 10
}
],
"import/no-absolute-path": "error",
"import/no-dynamic-require": "error",
"import/no-internal-modules": [
"off",
{
"allow": []
}
],
"import/unambiguous": "off",
"import/no-webpack-loader-syntax": "error",
"import/no-unassigned-import": "off",
"import/no-named-default": "error",
"strict": [
"error",
"never"
],
"react/display-name": [
"off",
{
"ignoreTranspilerName": false
}
],
"react/forbid-prop-types": [
"error",
{
"forbid": [
"any",
"array",
"object"
]
}
],
"react/jsx-boolean-value": [
"error",
"never"
],
"react/jsx-closing-bracket-location": [
"error",
"line-aligned"
],
"react/jsx-curly-spacing": [
"error",
"never",
{
"allowMultiline": true
}
],
"react/jsx-handler-names": [
"off",
{
"eventHandlerPrefix": "handle",
"eventHandlerPropPrefix": "on"
}
],
"react/jsx-indent-props": [
"error",
2
],
"react/jsx-key": "off",
"react/jsx-max-props-per-line": [
"error",
{
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"parserOptions": {
"ecmaFeatures": {
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"generators": false,
"objectLiteralDuplicateProperties": false,
"experimentalObjectRestSpread": true,
"jsx": true
},
"ecmaVersion": 2017,
"sourceType": "module"
},
"plugins": [
"import",
"react",
"jsx-a11y"
],
"settings": {
"import/resolver": {
"node": {
"extensions": [
".js",
".jsx",
".json"
]
}
},
"import/extensions": [
".js",
".jsx"
],
"import/core-modules": [],
"import/ignore": [
"node_modules",
"\\.(coffee|scss|css|less|hbs|svg|json)$"
],
"react": {
"pragma": "React",
"version": "15.0"
}
},
"extends": [
"airbnb",
"/home/dilraj/Documents/ReactTraining/GithubBattle/node_modules/eslint-config-airbnb-base/rules/strict.js",
"/home/dilraj/Documents/ReactTraining/GithubBattle/node_modules/eslint-config-airbnb/rules/react.js",
"/home/dilraj/Documents/ReactTraining/GithubBattle/node_modules/eslint-config-airbnb/rules/react-a11y.js",
"/home/dilraj/Documents/ReactTraining/GithubBattle/node_modules/eslint-config-airbnb-base/rules/variables.js",
"/home/dilraj/Documents/ReactTraining/GithubBattle/node_modules/eslint-config-airbnb-base/rules/es6.js",
"/home/dilraj/Documents/ReactTraining/GithubBattle/node_modules/eslint-config-airbnb-base/rules/imports.js"
],
"ecmaFeatures": {
"jsx": true
}
}
What did you expect to happen?
What actually happened? Please include the actual, raw output from ESLint.
Issue Analytics
- State:
- Created 6 years ago
- Comments:6
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Is this issue resolved? I have the same issue.
I don’t know the cause, but I solved the issue by updating eslint to the latest.
I hope that you resolve your issue.
@maissani Hmmm, I am not sure then. Did you end up resolving this issue?