Unexpected token eslint js. 0 Local ESLint version:9.
Unexpected token eslint js js:549:28) May 27, 2025 · JavaScriptやReactの開発において、ESLintを使用していると「Parsing error: Unexpected token」というエラーに遭遇することがあります。これは、ESLintがコードを解析する際に、予期しないトークン（記号やキーワード）を見つけたと判断した場合に発生します。 在前端开发中，我们常常会遇到代码警告和错误信息，其中“Parsing error: Unexpected token <”和“Parsing error: Unexpected token =”是非常常见的两种错误。这些错误通常源自于JavaScript或JSX语法不正确，或者文件格式不符合预 Feb 25, 2025 · 如果我们在 JavaScript 代码中使用了未定义的变量，ESLint 就会在这个变量名处提示 Unexpected token 的错误。例如： console. 9. js 总结. js Line 93 in 4255f36 } catch Unexpected token { at createScript (vm. js 版本 Jan 5, 2023 · 在使用ReactNative开发过程中遇到eslint对jsx语法报错的问题，尽管程序能正常运行，但为了解决报错，文章提出了问题的原因是ESLint解析器不兼容，并推荐使用babel-eslint进行解析。通过安装babel-eslint并配置. 0 关于eslint 配置的用法可参考：ESLint中文 eslint 有专门应用于 vue 的插件：eslint-plugin-vue Apr 2, 2024 · 重新运行 ESLint： eslint yourfile. org Sep 26, 2024 · This code provides examples of JavaScript code that can cause "Parsing error: Unexpected token" errors in ESLint. js / packa Apr 29, 2025 · 最近在使用react native开发app的发现一个问题：报错详情：可以看到，这是jsx的正确写法，并没有语法错误，但是eslint还是报错，大致意思就是意外的符号，可以大概推断是eslint没有正确解析jsx语法造成的，虽然程序可以正常运行，但是对于强迫症来说，确实受不了。 May 25, 2023 · When I try to start linting on a file with the new configuration pattern, I get the following error: PS C:\Users\test> npx eslint index. calculateStatsPerFile(messages) ^^^ SyntaxError: Unexpected token at createScript (vm. 32. 0 & upgrade the plugins as (I'd also recommend to add typescript to your dev deps): I'm exploring EsLint for my React JS ES6 project and I'm immediately stuck. While it’s designed to be efficient and easy to use, developers occasionally… Apr 9, 2024 · You signed in with another tab or window. ts,. Linter. This seems to help babel and ESLint get along a little better than using the default parser. 码农小筑: 文章很有用，解析了ESLint遇到的典型问题。下载合适版本的babel-eslint并按指导修改. 0 npm version:10. json exactly like here: { "parserOptions": { "ecmaVersion": 6, "sourceTy Seems your problem come from here. The ESLint parser errors offer valuable insights into front-end development troubleshooting. 1. The solution is to specify the parser May 30, 2019 · Per default, ESLint defaults to ES5 and doesn’t understand the keywords import or const. json still, npm uninstall it. log(myVariable) 在这个例子中，我们使用了一个未定义的变量 myVariable，因此 ESLint 报错并提示 Unexpected token。 3. We will be repurposing this file so that it does two things: registering a hook and importing the ES2015 ESLint config file. cjsに下記を追記し、eslint-plugin-vueを有効にする。 Jan 13, 2025 · 在前端开发中，使用 ESLint 工具能够帮助我们检查 JavaScript 代码中的错误，保证代码的质量和可读性。但有时候在使用 ESLint 进行代码检查时，会出现 "Unexpected token" 错误。本文将讲述这种错误的原因及其解决方法，希望对大家有所帮助。 Nov 23, 2021 · Hi everyone I am migrating my vue3 project from js to typescript, I run into this problem : Here is my code in . Feb 5, 2018 · Usually, ESLint will look for a . Jun 10, 2022 · 事情是这样的，最近在写vue3的项目，快乐的用起了Element Plus 用到tag组件的时候，就下面这个 源代码一贴，ESLint报错就来了👇 就是声明ref的这句代码 菜鸡如我第一时间百度打法，浏览各种报错指路的帖子，给. 0 Operating System:Windows 11 x64 What parser are you using? Default (Espree) What did you Jan 31, 2018 · 2018/2/1誤った理解でしたのでタイトルと内容を修正いたしました。@mysticatea さんご指摘ありがとうございました！事象以下のようなコードに対して、ESLintを掛けた所、cl… May 20, 2020 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 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. js,. js配置，确实能解决Unexpected token的警告，对新手特别友好，实践后效果显著。 Dec 30, 2023 · # npm run lint > lint > eslint . _compile (module. Provide details and share your research! But avoid …. Config array that specifies my own config object (which has language options and rules), followed by a recommended config from @eslint/js, and the ESLint Prettier plugin recommended config. vue file <script setup lang="ts"> const toto = (msg: string) => { 下面我们一一过下这些个配置。 root. Unexpected token errors are caused by incompatibilities in your parser options and the code you’re writing. Feb 10, 2025 · The #1 Open Source AI necklace: Experiment with how you capture and manage conversations. The problem lied in the [email protected] package. Wrong: use babel import { bla } from 'blub' Feb 28, 2024 · 【前端】代码警告处理Parsing error: Unexpected token ＜eslint或Parsing error: Unexpected token =eslint. These errors can be caused by mismatches between ESLint and ECMAScript versions, missing plugins like TypeScript, syntax errors such as typos or missing parentheses, and incorrect ESLint configuration like a missing comma. js Error: Unexpected Nov 21, 2024 · 在JavaScript开发过程中，SyntaxError: Unexpected token 是一个常见的错误。 这种错误通常发生在代码解析过程中，解析器遇到无法理解的字符或符号时。 这种错误会导致脚本无法正常运行，因此理解其原因并掌握解决方法对于开发者来说至关重要。 Oct 29, 2020 · 使用eslint时报错：No ESLint configuration found. cjs,. 2 No matter what I put inside my . eslintrc. js文件 如果遇到这个错误，可以在项目下新建一个. js Vue. js (node:10036) Warning: To load an ES module, set "t Jan 14, 2025 · Google Apps ScriptをはじめとするJavaScriptベースのプログラミングでは、「SyntaxError: Unexpected token」というエラーメッセージが表示されることがあります。このエラーは、コード内の文法ミスや予期しないトークン（記号や文字）が原因で発生します。以下では、エラーの背景、具体的な原因、影響 Dec 4, 2018 · npm install @babel/eslint-parser @babel/preset-react If you don't have eslint-plugin-react installed, you'll want to install that too in order to utilize the recommended eslint settings for React projects. Otherwise, you can rewrite it as ES5, without the arrow function: app. js without Babel. export = { rout: true, env: { Oct 9, 2024 · Uncaught SyntaxError: Unexpected token ',' at script. It was successful installing, but when I run eslint -v this is the issue I encounter: $ npm install -g eslint path/to/bin/ Dec 31, 2024 · 在JavaScript中，Unexpected token错误可能会难以追踪，但正如我们在这篇文章中所讲述的，保持代码的整洁和规范是避免此类错误的关键。 始终记住使用ESLint来帮助您发现可能存在的问题，并使用适当的工具来修复它们，这将提高您的开发效率和代码质量。 Mar 6, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 15. js file in the project root, and it usually is parsed by Node. 0, last published: 2 days ago. js:80:10) at Object. mjs,. Sep 22, 2021 · npm run lint执行eslint检查时，报：Parsing error: Unexpected token 和 The keyword 'import' is reserved TypeScript ESlint解析错误“Unexpected token”对TypeScript类型转换操作符“as”的处理. In this case, I’m using a number of ES6 language features like arrow functions, destructured variables, and such. How to Configure It. Latest version has problems with type keyword. 在本文中，我们将介绍TypeScript中的一种常见问题，即ESlint解析错误“Unexpected token”对TypeScript类型转换操作符“as”的处理。 Aug 21, 2024 · React is a powerful and popular JavaScript library for building user interfaces, especially for single-page applications. While it’s designed to be efficient and easy to use, developers occasionally… May 30, 2019 · Per default, ESLint defaults to ES5 and doesn’t understand the keywords import or const. js中常见的eslint解析错误：unexpected token（意外的标记）。eslint是一个用于检查和修复代码中潜在问题的静态代码分析工具。它在Vue. Adding the "parserOptions" property to your . js:12:15 Tools like ESLint can help detect syntax errors before runtime, providing immediate feedback and Nov 29, 2024 · Environment Node version:20. mts --fix --ignore-path . 14. I've created an . Its dependencies are listed below: Feb 6, 2024 · 在前端开发中，ESLint 是一个非常常用的代码检查工具，可以帮助我们规范代码风格、避免一些常见的错误。但是，有时候我们会遇到一个叫做 “Unexpected token” 的错误，这个错误看起来比较晦涩，但是却经常出现。 Jan 6, 2021 · Hi there! I'm Arisa, a freelance Full Stack Developer. Important: If you have babel-eslint installed or present in your package. What actually happened? Please include the actual, raw output from ESLint. 检查 Node. --ext . Mar 8, 2021 · I expect eslint to lint my js and jsx files successfully. So much as a space in front of it will deactivate it, followed by the js engine tripping over your export statement or, similar ```unexpected token export````. ESLint is a popular JavaScript linter that helps developers identify and fix coding errors, enforce coding styles, and improve code quality. js文件，然后进行配置就行了 具体配置根据项目配置，附上我的配置供参考 module. Here’s an example that worked for me with React and Prettier. eslintrc config file. Jan 19, 2025 · Parsing error: Unexpected token with | eslint I have an eslint. You have to configure ESLint to use the correct parser options. 2 + vite + ant-design@6. jsx,. js:97:10) at Module. I'm developing Lilac, an online school with Tagged with eslint, javascript. 代码中使用了不兼容的 ECMAScript 版本 The fix that worked for me was installing the babel-eslint package (npm install babel-eslint --save-dev or yarn add babel-eslint -D). gitignore Dec 31, 2023 · . cts,. mozilla. js': Unexpected token '||=' 的问题. Oct 10, 2021 · There is probably an ESM compatibility problem with one of the packages, so either you must make sure all your deps are ESM compatible or lock eslint to 7. Latest version: 9. Explore Teams ESLint JavaScript language implementation. js:56:10) at Object. While addressing unexpected token errors and parsing issues related to 'import' keywords, there's Nov 12, 2020 · eslint/bin/eslint. tsx,. You switched accounts on another tab or window. Asking for help, clarification, or responding to other answers. post("/api/rank", async function (req, res) { Vue. 28. runInThisContext (vm. js eslint 解析 error: unexpected token 在本文中，我们将介绍Vue. Parsing error: Unexpected token 是一个代码解析问题。 Jan 23, 2023 · ESLintのエラーParsing error: Unexpected token, expected “,”が発生しました。 こちらはjavascriptのObjectの中に最後コンマをつけてなくて、セミコロンを使ってしまい、エラーになると思います。 下記のソースコードをご覧ください。 Jan 15, 2025 · JavaScriptやその他のプログラミング環境で「Invalid or unexpected token」というエラーが発生することがあります。このエラーの原因と発生条件、詳細な解決方法について解説します。 Jul 15, 2022 · 前期项目中忽略了 eslint 检查，导致一运行 npm run lint 出现两千多条错误(இдஇ; ) 造孽啊 花了两三天搞完，做个错误汇总。 环境和配置. 0 Global ESLint version:9. 4. Aug 3, 2021 · If eslint is causing this issue, then your eslint settings may need to specify something later than ES5. I'm current developing an API on Node 12. config. vue,. Unfortunately it does not allow me to set static class properties as shown below: class AuthManager { st May 15, 2023 · エラー内容: Parsing error: Unexpected token なにやらパーサーに関してのエラーのよう、、、 他のコンポーネントでも同様のエラーが出ていました Dec 16, 2022 · I solved this problem by myself eventually and want to share the solution. 3. . This might be a simple typo. 在开发过程中遇到这个错误，经过排查，我发现问题出在 Node. 0 Local ESLint version:9. By doing this you are always installing the latest ESLint release, which can introduce some breaking changes if a new major version is released and this is what happened a few days ago with the release of ESLint 2. js文件，成功解决了jsx语法的报错问题。 Nov 13, 2024 · The JavaScript exceptions "unexpected token" occur when the parser does not see a token it recognizes at the given position, so it cannot make sense of the structure of the program. The “Unexpected Parsing error: Unexpected token { Parsing error: Unexpected token / The solution. 0 Operating System:Windows 11 x64 What parser are you using? Default (Espree) What did you May 23, 2024 · I also come across this when updating to @nuxt/eslint 0. Version @nuxt/eslint 0. Start using @eslint/js in your project by running `npm i @eslint/js`. 0 today. 上面配置中没有这个规则，这里稍微提一嘴。root 一般在 monorepo 项目中会比较常见，首先我们知道 ESLint 在当前目录下查找上面的几种配置文件，如果找不到的话就会在父级目录找，一直到文件系统的根目录，而如果 ESLint 配置文件中有 "root": true，就会停止在父级 Sep 28, 2024 · 在前端开发时，我们经常使用 ESLint 来检查代码的质量和规范性，但是有时候在检查代码时，ESLint 会报错，提示 "Parsing error: Unexpected token "，这个错误很多人可能会遇到，本文将详细介绍这个问题的原因和解决方法。 Jan 2, 2025 · 如果你经常使用 ESLint 进行代码规范检查，你可能会遇到 'Unexpected token ) 报错。 这个错误意味着代码中有一个意外的括号，可能是漏掉或多余的一个。 在这篇文章中，我们将讨论如何解决这个问题并避免类似的语法错误。 Jun 29, 2020 · I install ESLint globally using the command npm install -g eslint on my Mac. You signed out in another tab or window. 因为使用eslint时，项目目录下默认有一个. Examples of my parsing errors: Hello guys, ESlint version: v2. js file, which exports an eslint. 0. I then added "parser": "babel-eslint" to my . eslintrc is no longer enough for particular situations, such as using See full list on developer. js开发中被广泛使用，有助于提高代码质量和维护性。 Oct 31, 2024 · 在使用 ES6/ES2015 类作为开发项目的一部分时，你可能会遇到 ESLint 报错 Parsing error: Unexpected token。这个错误可通过一些解决方案来修复。在本文中，我们将讨论如何解决这个问题。 什么是 Parsing error: Unexpected token 错误. 项目用 vue@3. Reload to refresh your session. ESLint 报错：Parsing error: Unexpected token import 的问题是因为 ESLint 默认使用的是 ES5 的语法解析器，而 ES6 的 import/export 语句是 ES5 不支持的语法，解决这个问题的方法有两种：使用 babel-eslint 或者使用 eslint-plugin-import。 Feb 22, 2018 · platinumazure changed the title Parsing error: Unexpected token => Parsing error: Unexpected token => when using eslint --init on post-ES2015 files Mar 2, 2018 platinumazure added the tsc agenda This issue will be discussed by ESLint's TSC at the next meeting label Mar 2, 2018 May 8, 2021 · I was working on a new react project and had set up my ESlint which was running fine before I changed code in another file and now it's giving me an error: Error: Unexpected token 'export' I'm new May 11, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 0 Node: 4. Oct 25, 2024 · 解决方案分享：关于 SyntaxError: Failed to load plugin '@typescript-eslint' declared in '. js 版本不兼容。以下是我的解决步骤，希望对你有所帮助： 1. js locally in my project folder I get this error: Error: Unexpected token : SyntaxError: Cannot read config file: User/. There are 1729 other projects in the npm registry using @eslint/js. 13 works fine. js:139:10) Aug 21, 2024 · React is a powerful and popular JavaScript library for building user interfaces, especially for single-page applications. Nov 29, 2024 · Environment Node version:20. 1 and using Eslint to help me write the code. mivlpxniuyoyqvtnbdofvzetjqarsmkflonufnbtyknjekhstxxgiofuzuh