Eslint unexpected token async. vadimcoder commented on Ma...
Eslint unexpected token async. vadimcoder commented on Mar 2, 2017 You don't have to use babel-eslint anymore since eslint supports es7/es8. 10. By the end, you’ll be able to resolve the Learn common causes and fixes for the ESLint "Parsing error: Unexpected token" issue, helping you debug JavaScript code efficiently. 1. 0. In this guide, we’ll break down the root causes of this error, walk through step-by-step fixes, and share preventive measures to avoid it in the future. Encounter the `Unexpected token` error with async methods in ESLint? Learn how to adjust your ESLint configuration to support ES2017 features seamlessly! ---more The “Parsing error: Unexpected token” ESLint warning typically occurs when ESLint encounters a syntax error or unsupported syntax in your code. exports = { root: true, extends: [ Learn how to fix the unexpected token error in Node. eslint. This often happens when ESLint is By ensuring your ESLint configuration includes the correct parser options, plugins, and rules for async functions, you should be able to resolve the "Parsing error: Unexpected token function" issue. 0 Node Version: 8. This code fails in our parser demo with ecmaVersion at 8. SyntaxError: Unexpected token function - Async Await Nodejs Asked 9 years, 8 months ago Modified 4 years ago Viewed 239k times Tell us about your environment ESLint Version: 4. 3 eslint-plugin-vue Version: 3. There was an . 18. 11. It was successful installing, but when I run eslint -v this is the issue I encounter: $ npm install -g eslint path/to/bin/ ESLint: Parsing error: Unexpected token : Asked 4 years, 2 months ago Modified 9 months ago Viewed 33k times Steps to reproduce: Mark any function with "async" Expected: eslint accepts syntax Found: eslint flags as "Parsing error: Unexpected token function" Similar to issue #519 "Editor complains on . rc file overriding the ecmaVersion in a subfolder. 0 npm Version: 6. json (or js equivalent): In this guide, we’ll demystify this error, explain why it happens, and walk through a step-by-step solution using the popular Airbnb ESLint config—an opinionated, industry-standard setup VSCode ESLint extension giving error "Unexpected Token" for my javascript code Asked 3 years, 1 month ago Modified 3 years, 1 month ago Viewed 998 times ESLint warnings – Parsing error: Unexpected token Posted on March 26, 2025 by Rishan Solutions ESLint Version: v4. 1 What parser (default, Babel-ESLint, etc. 1 npm Version: 5. 1 Node Version: 8. In which case it's not an EsLint configuration issue, but rather a syntax error. js with this comprehensive guide. The code runs fine, but I get this error from eslint: [eslint] Parsing error: Unexpected token t (parameter) t: any test. 4 Please show your full configuration: module. 0 Node Version: v8. ) are you using? Babel-ESlint Please show your full configuratio Encounter the `Unexpected token` error with async methods in ESLint? Learn how to adjust your ESLint configuration to support ES2017 features seamlessly! ---more @dan-lee You likely haven't set parser: "babel-eslint" in your eslint config. This error also appears if you use await inside a function that is not defined as async. Includes causes and solutions for all types of unexpected token errors, plus I'm using ESLint to analyze my code. serial The version of ESLint you are using (run eslint -v) What you did (the source code and ESLint configuration) The actual ESLint output complete with numbers What you expected to happen async function getData () { 这个代码报eslint 错误:Parsing error: Unexpected token function。 . Since your code needs to be transpiled, have you tried to use the babel-eslint parser? To do so, install the babel-eslint package and include in your . eslintrc. @akhileshk await is a reserved word in ES6 modules, which is what Babel expects all files to be. ) are you using? default Please show your full configuration: Configuration { "extends": "es 19 I was able to fix this by: 1) Install babel-eslint $ npm i --save-dev babel-eslint OR $ yarn add babel-eslint --dev 2) Configure ESLint to use babel-eslint as your parser Just add "parser": "babel-eslint", to Tell us about your environment ESLint Version: 4. 5. 9. eslintrc中 parserOptions: { ecmaVersion: 6 }, 根据ESLint的官方文档," I install ESLint globally using the command npm install -g eslint on my Mac.