Questions tagged [babeljs]
Babel (formerly 6to5) is a JavaScript compiler. It transforms ES6+/ES2015 code into ES5 code.
babeljs
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React Hooks Behavior: Difference When Using variables and states in useCallback before their Definition (ES5)
I have a doubt regarding, how hooks like useCallback() work when the variables, arrow functions, and states used in it and its dependency, are declared before and after the useCallback().
Note: The ...
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Module not found / build failed in my yarn workspaces monorepo
I am combining my React web application with my Expo React Native mobile app into a monorepo using yarn workspaces because they both need to share some utils, queries, etc. My file structure is ...
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After changed import path, getting Missing semicolon error when running tests
when I run tests, I am getting
SyntaxError : Missing semicolon.
I have checked the jest documentation and looks like babel config file is correctly configured.
module.exports = {
presets: ['@babel/...
- 500
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How do I fix Cannot find module 'babel-preset-metro-react-native-babel-preset' error whenever I run npx expo start?
Every time I run npx expo start, I get this error and am unable to load my app:
error: node_modules/expo-router/entry.js: Cannot find module 'babel-preset-metro-react-native-babel-preset'
Require ...
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setTimeout() is not Working in Jets Unit Test
Here I have perform testing on jest. When I tested for setTimeout() function, it didn’t work. Any help would be appreciated.
I have followed this documentation:
https://jestjs.io/docs/timer-mocks
...
- 37
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Can't get Babel demo to play nice with the pipeline operator
Babel's online demo is...unintuitive. I'm trying to use it to test out the pipeline operator proposals for ECMAScript. I thought it would be as simple as selecting the proper plugins, but no. I have ...
- 2,704
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@parcel/packager-js: External modules are not supported when building for browser this is error i am facing when running my react on build
@parcel/packager-js: External modules are not supported when building for browser
> 1 | import React from "react";
> | ^
> 2 | import ReactDOM from "react-dom/client";
&...
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error: Error: Unable to resolve module missing-asset-registry-path from "path"
"error: Error: Unable to resolve module missing-asset-registry-path from C:\Users\USER\Desktop\picky_anu_anshif\node_modules\react-native\Libraries\LogBox\UI\LogBoxImages\chevron-right.png: ...
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Next.js / ESLint – "Parsing error: Cannot find module 'next/babel'"
Every time I create a Next.js app with:
`npx create-next-app@latest`
ESLint immediately starts flashing warnings in all my .js files saying
"Parsing error: Cannot find module 'next/babel'
...
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Injecting Comments with a SWC Rust plugin
I am trying to inject a comment to existing javascript code.
In Babel there is the addComment helper which can be called on a AST node.
Here is a simple (but rather silly) transformation written in ...
- 37.7k
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I'm encountering a `SyntaxError: Unexpected token 'export'` when running Jest tests in my React project
I'm encountering a SyntaxError: Unexpected token 'export' error in Jest tests for my React application, Seeking solutions to resolve this configuration issue in Jest.
SyntaxError: Unexpected token '...
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(Handle Polyfill.io Security-Alert) How do you detect if a big npm Codebase uses Polyfill.io somewhere?
Polyfill.io is malicious: https://dev.to/snyk/polyfill-supply-chain-attack-embeds-malware-in-javascript-cdn-assets-55d6
I now need to find it my codebase:
I used: grep -r "polyfill.io" to ...
- 1,062
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Jest running failed: Unexpected token 'export'
I'm trying to run my tests using jest and I keep facing this error
Details:
/Users/mamad/repos/New Mindro-ai/mindro-dev/web-client/node_modules/react-markdown/index.js:9
export {Markdown ...
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I have folder named dist that was generated using Babel. Can I directly use the contents of this folder in a new react project?
I have a React library that is published on npm. I follow the below steps for publishing on npm
I generate a folder named dist using Babel by running the command-
babel ./src -d ./dist
Then I ...
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Playwright - SyntaxError: Unexpected token 'export' - external npm package
I have created npm package in order to use it withing our organization. It containing some reusable code for testing. It is published to our internal feed and i have installed in destination project ...
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