Questions tagged [babel-preset-env]
73 questions
2
votes
1 answer
Missing class properties transform when Webpack presets:"env"
I'm testing React project on webpack-dev-server. I want to use classfield syntax but got an error at state init.
client:162 ./src/containers/App.js
Module build failed (from ./node_modules/babel-loader/lib/index.js):
SyntaxError: Missing class…
SooJungChae
- 219
- 1
- 4
- 16
2
votes
1 answer
how to install babel-cli babel-preset-react
I tried all possible way to install babel-cli babel-preset-react
Things I tried npm install --save-dev babel-cli babel-preset-react
but when I check babel -h
It shows The program 'babel' can be found in the following packages:
I refer this question…
Mohsin
- 199
- 5
- 19
2
votes
2 answers
babel-preset-env not changing build size
I have an ES6 React app that is being bundled with webpack and using babel. I am configuring babel-preset-env, for node everything is working perfect, but for browser the size of my build is not changing regardless the target percentage. The size is…
Dani
- 141
- 1
- 5
1
vote
2 answers
Babel error: Invalid Version: 70001900000
Disclaimer: I haven't found anything useful in the CHANGELOG.
I recently upgraded the following Babel dependencies:
@babel/core ^7.15.0 -> 7.21.5
@babel/preset-env ^7.14.7 -> 7.21.5
@babel/preset-react ^7.14.5 -> 7.18.6
and…
josemigallas
- 3,761
- 1
- 29
- 68
1
vote
0 answers
Unexpected token export in NextJS 5 application
I am trying to use date-holidays npm package in my NextJS 5 application. This package has a dependency on another package called astronomia. I am using Babel 6. When I build the application it throws the following…
Irfan
- 566
- 7
- 13
1
vote
1 answer
browserslist: Versions of a specific browser released since a date
Our policy is to support the Desktop versions of Firefox, Chrome and Edge that were stable in the last year.
Example: Today is 2022-01-12, so we support the releases of Chrome since 2022-01-11 and the release that was stable back then: 78…
htho
- 1,549
- 1
- 12
- 33
1
vote
1 answer
How to create non-minified and minified builds with babel
I installed below babel modules
npm install babel-cli babel-preset-env babel-preset-minify --save-dev
and package.json has
"scripts": {
"build": "babel src -d dist --copy-files"
}
When I run the build with below .babelrc configurations
{
…
Vivek
- 11,938
- 19
- 92
- 127
1
vote
0 answers
babel.config.js vs .babelrc (Vue + Express in same directory)
You can directly skip to the last part of this section for the exact questions? For full context, read from the start.
This is how I initiated my Vue project:
vue create awesome-frontend
choose all defaults and ended up with babel.config.js file in…
saibbyweb
- 2,864
- 2
- 27
- 48
1
vote
1 answer
@babel/preset-env not reading browserslist from package.config
I have created the environment variable (user and system) BROWSERSLIST_CONFIG and set it to C:\Program Files (x86)\Microsoft VS Code\bin\package.json.
However, when I run webpack and set debug to true I get empty targets:
@babel/preset-env: `DEBUG`…
rory
- 1,490
- 3
- 22
- 50
1
vote
0 answers
Babel presets ordering is occurring run-time error
I got an error SCRIPT1006: Expected ')' on IE(chrome was good)
and reordered babel presets fixing the error.
You know babel presets loaded by backward.
I wondered how presets ordering affects the result and what is best practice presets…
astroplex
- 53
- 1
- 5
1
vote
0 answers
Why es3 features are polyfilled by babel-polyfill?
I use @babel/preset-env + babel-polyfill + corejs3 with "useBuiltIns": "usage" in .babelrc config.
I use browserlist to target the following browsers:
ie >= 9
edge >= 12
firefox >= 36
chrome >= 49
safari >= 10
I found that some ES3 features are…
David Lin
- 13,168
- 5
- 46
- 46
1
vote
2 answers
node not recognizing express even though it is installed
Something that previously worked is no longer working and I'm stumped as to how to fix this. I am running on Mac and have the following versions:
Node: v10.14.1
npm: 6.9.0
express: ^4.16.4
@angular/cli: ^7.3.3
babel-preset-env: ^1.7.0
I am getting…
hapakikui
- 25
- 6
1
vote
3 answers
Requires Babel "^7.0.0-0", but was loaded with "6.26.3" - @babel/preset-env
I get the following error the moment I install @babel/preset-env and try running a node.js file.
Requires Babel "^7.0.0-0", but was loaded with "6.26.3"
Following is the stack trace
(While processing preset:…
Arun
- 3,036
- 3
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- 57
1
vote
1 answer
Error: Cannot load preset env relative to / in a browser
I am creating interactive JavaScript coding exercise using ACE editor.
to execute entered code have have to transform code. for that i am using @balel/core transform method. I am facing below problems
when I use presets: ["env"] in options i am…
Harish
- 1,841
- 1
- 13
- 26
1
vote
2 answers
Which plugins (javascript features) does babel-preset-env support?
Babel-preset-env converts ES2015+ javascript features to compatible code for specified target environments.
But I checked https://babeljs.io/docs/en/babel-preset-env and https://babeljs.io/docs/en/presets, and it doesn't say there which javascript…
croraf
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