Eslint parsing error unexpected token spread operator. Can Nov 15, 2023 · For context, I've locally installed prettier, eslint, and their respective VS Code extensions. 0 What parser (default, Babel-ESLint, etc. rocketraman commented on Mar 30, 2015 I am using espree via eslint 0. I am getting " Unexpected token" error while using spread operator in script which is supposed to be ran by k6. The setup I have done is to install eslint locally via npm and create an eslint config file that is then stored in a config Jul 15, 2019 · eslint complains: Unable to resolve path to module '@api' However, intelisense in vscode seems fine. What is the ESLint rule for this? Jan 13, 2016 · For anyone else confused by the comments, /* eslint-disable no-use-before-define */ is definitely a correct answer which disables a specific rule for the whole file. eslintrc below also. By default, ESLint disallows the object rest/spread operator at the parser level. let {children, other} = this. json) or modify your code to use language features supported by the specified ECMAScript version. I've got the spread option set to true in the ecmaFeatures section of my config, so I wouldn't expect the above to cause an error. ). Hi! I don't get why I get Parsing error: Unexpected token . The same solution mentioned in several answers above, with a twist: Put it in the eslint. Inspecting line 13 with browser developer tools, I see it has been redacted from . " May 29, 2024 · I'm having trouble getting ESLint to lint my JavaScript files in my IDE. Object Spread - Parsing error: Unexpected token . on this line, though the node version specified in package. e. This syntax error occurs when the parser encounters a token – such as a character, operator, or identifier – that does not follow the proper syntax of the language. 1 Sep 26, 2024 · Learn common causes and fixes for the ESLint "Parsing error: Unexpected token" issue, helping you debug JavaScript code efficiently. Missing or incorrect parser configuration ESLint relies on parsers to analyze and understand your code. config. L May 6, 2020 at 7:01 webpack 4 react unexpected token (spread operator) Asked 7 years, 9 months ago Modified 5 years, 4 months ago Viewed 11k times archived due to age This issue has been archived; please open a new issue for any further discussion question This issue asks a question about ESLint 4、安装 eslint-plugin-vue eslint-plugin-vue 插件依赖 「vue-eslint-parser」解析器。 「vue-eslint-parser」解析器，只解析 . Example code: I enjoy // eslint-disable-line to allow me to insert console for a quick inspection of a service, without my development environment holding me back because of the breach of protocol. Having faced the "Parsing error: Unexpected token" in ESLint due to syntax issues or unsupported language features, I resolved it by ensuring correct code syntax, updating ESLint configuration to ESLint 1. Find out how to change the parser, the source type, and the ECMAScript version. . 10. 19. K6 doc says we can script it using javascript es6 Learn how to fix some common ESLint parser errors caused by syntax or configuration issues. 2. – Buddy Christ May 6, 2020 at 6:47 @peprumo Parsing Error: Unexpected token . runtime": "node" } This ensures that the Jan 14, 2018 · I've recently created a project with create-react-project. Actually, the spread operator seems to be correctly parsed in almost every case (function parameters, array initialization). 0 with eslint-react-plugin 2. During parsing, espree returns Unexpected token . I followed all the methods given in the link but it is still giving me that error. Jul 24, 2025 · I experienced a similar issue related to Node. 9. ecmaVersion option to at least 9 in . json should support ?. The problem is that, while I'm developing, every time there's a problem with ESLint, the build breaks and doesn't compile the code. Currently throws an unexpected token while this is a valid syntax. props; I am getting: Error: Line 11: Unexpected token HI, I just having a stupid problem with the Spread Attributes . Parsing error: Unexpected token => SyntaxError: Unexpected token ( Such "Unexpected token" signify a common behavioural problem - somewhere in your code a specific construct was supplied, but the system expected something completely different (based on defined rules\customs). function quizReducer The error “Parsing Error: Unexpected Token . mjs` (extension can also be js or whatever you are using for eslint. You need to set parserOptions. ) are you using? Regular ESLint Please show your full config ESLint Parsing error: Unexpected token on only one rest operator Asked 6 years, 7 months ago Modified 6 years, 7 months ago Viewed 1k times Unexpected token errors in ESLint parsing occur due to incompatibility between your development environment and ESLint's current parsing capabilities with the ongoing changes with JavaScripts ES6~7. 18:35 error Parsing error: Unexpected token . If it doesn't then you should really upgrade Node because there's no reason of using such an outdated version. A new create-react-app project throws an eslint 'Unexpected token' error with the use of the spread operator (aka {} triple dots). I used the word "effectively" in my title because I don't literally need to run eslint --fix; Feb 15, 2025 · So I wanted a ESLint rule that can warn me when using invalid syntax so I can do a incremental removal of this syntax before enabling the flag in tsconfig. js: let { aprop, other } = this. ” (note the . This could be due to a typo mistake, missing something in the code etc. Notice the edits in the answer. But I have an Parsing error: Unexpected token babel-eslint parsi Line 19: Parsing error: Unexpected token . Is throwing error Unexpected token . Its able to give code prediction and "Jump to declaration" which is a clue that my . genericError Aug 25, 2024 6:44AM 2 comments As for eslint-disable-next-line not working, unfortunately we do have to parse the whole file before we can read any comments for inline configuration directives. eslintrc. Understanding the Unexpected Token JavaScript Error First, let‘s briefly look at what exactly the "unexpected token" error means in JavaScript. babelrc { "presets . You can spread them like that, or you could use the spread operator to make a shallow copy, like: book={ { book } } if that was what you wanted (which it isn’t). ) return resolve(user && { user, domain }); i tried many solutions but without result, . I have tried, unsuccessfully, to recreate the problem outside the app. I expected that it would be OK. It seems to be illegal JavaScript, but it works in jsx. I use your full config eslint (eslint-config-airbnb) who seem to implement the babel-eslint parsing. js version mismatch between my system and VSCode's ESLint extension. 0 beta 2 Operating System: Windows 10 x64 21H1 What parser are you using? Other What did you do results in a Parsing error: Unexpected token = Nullish Coalescing Assignment operator was added in ECMAScript 2020 and can be found here Currently using "eslint": "^8. 23. json` resolved the issue: { "eslint. Webpack Dev Server I have tried adding all the presets and the transform plugin to both webpack dev server config and . I've got a very simple React reducer and eslint is complaining about how I spread state. Also, see this site for another example. operator AFAIK. 36. I do have a JavaScript code snippet that iterates through an array of fields looking for specific properties and adding those to a dictionary. js 文件中的 extends 部分更改为“airbnb-base”时，出现错误“ESLint Parsing Error: Unexpected token <。 但是现在，令牌“<” Bug Report Babel can't recognize spread operator (. 0 Local ESLint version: Global ESLint version: 8. vue files, When I commit code use lint-staged, it show erros as below: const collapse = inject ('collapse') as Ref<boolean> // 14:36 error Parsing It uses the spread operator and if it is tested to work correctly. 11. 2. 0. yml, otherwise you'll get a parsing error. x doesn't natively support the spread operator, one way to get around this is using the babel-eslint parser. It is even present in the parseObjectInitializer at line 936 so I think it should be working, but as OP found out, it actually breaks with Unexpected token inside parseObjectPropertyKey. tsconfig is set up correctly but eslint is somehow misconfigured. 0" with 我认为 ESLint 可以读取 JSX，因为令牌“<”不会发生错误。 （当我将 . eslint failed to parse spread operator and I got this error 11:18 error Parsing error: Unexpected token The code for above error is: May 14, 2015 · None of these options are working for me, I'm still getting the error, though my eslintrc file relfects all the suggestions recommended here! Using eslint 3. When I fix that, it works I saw in other issues that this functionality has been added, but it is not working for me in the latest version (2. The error message is : 13:22 error Parsing error: Unexpected token . My Setup: Node. If ESLint is not able to find the react-app config, there are likely conflicting or duplicate ESLint config dependencies that were installed outside of react-scripts (i. eslint. I did this on a fresh npm install eslint. props . vue 中html部分的内容，不会检测<script>中的JS内容 由于Vue中的单个文件组件不是普通的JavaScript，因此无法使用默认解析器，因此引入了新的解析器。 A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. js version than the one specified by asdf Solution: Adding the following setting to my VSCode `settings. The latest installation and usage instructions are on the project readme. I'm pasting my . Jun 14, 2023 · To fix this issue, you can either update your ECMAScript version in the ESLint configuration file (usually . log statement and not for the second: const generateCss = () => { consol What you had was confusing it, it was like you were trying to pass in a parameter “book” that was a collection of properties - that confused babel. refers to the spread operator —ESLint truncates it in the message) occurs when ESLint’s parser cannot recognize the spread operator syntax. eslintrc or . If all else fails then you should always be able to change: Environment Node version: 16. another eslint-config-react-app installation). . added image – A. 1. Column 22 is the spread operator ( . eslintrc: Parsing error: Unexpected token Honestly, I can't understand why ESlint is adding the error for the first console. Jan 19, 2019 · I am using eslint for a javascript project. 0 npm Version: v5. return this. The comments were directed at the original answer which was "Just place /* eslint-disable */ at the top of the file. 5). I then added "parser": "babel-eslint" to my . Maintain your code quality with ease. eslintrc config file. 1 npm version: 7. 18. If it runs on your system then you should be able to use the spread operator. Below is the code. 1 Node Version: v9. babelrc but no luck Top Results From Across the Web spread operator in react throwing error of Unexpected token Visual Builder Parsing error: Unexpected token . 44 Any occurrence of as operator gives [eslint] [E] Parsing error: Unexpected token, expected ";" pointing to the place of as. 6. npm run lint执行eslint检查时，报：Parsing error: Unexpected token 和 The keyword 'import' is reserved The fix that worked for me was installing the babel-eslint package (npm install babel-eslint --save-dev or yarn add babel-eslint -D). js version manager: asdf The ESLint extension in VSCode was using a different Node. i had installed eslint before, so I deleted it and installed transform-object-rest-spread again. on line 3, which is the function definition. with a JSX spread operator: spread. 1 problem (1 error, 0 warnings) eslintbot added the triage An ESLint team member will look at this issue soon label Aug 9, 2016 I can't use the typescript operator as in my . #4052 Closed kentcdodds opened this issue on Oct 5, 2015 · 7 comments Tell us about your environment ESLint Version: v4. rmszi, jthlf, enyv, 8b8f, 2gpfej, 9ivxpj, skvbg, mfbst, summb, cxwcb,