babel-loader | 📦 Babel loader for webpack
kandi X-RAY | babel-loader Summary
kandi X-RAY | babel-loader Summary
This package allows transpiling JavaScript files using Babel and webpack. Note: Issues with the output should be reported on the Babel Issues tracker.
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Top functions reviewed by kandi - BETA
- Borrowed loader .
- Check if call option is supported .
- Makes a loader function .
- Subscribes to a particular context .
babel-loader Key Features
babel-loader Examples and Code Snippets
Community Discussions
Trending Discussions on babel-loader
QUESTION
I want to use SVG as a React Component in my app. I'm using: react 17.0.2, Webpack 5.57.1, @svgr/webpack 6.2.1.
I followed the steps on adding svgr in webpack.config file as in svgr documents svgr-doc but there is an Error in the console dev tools:
...ANSWER
Answered 2022-Apr-10 at 20:36From your webpack rules
configuration, it looks like you’re having a name clash with the last rule with type: "asset/inline"
, which is handling svg as well according to your test
case.
To fix this, you can either remove svg
in the last rule so that it becomes
QUESTION
I am currently setting up a boilerplate with React, Typescript, styled components, webpack etc. and I am getting an error when trying to run eslint:
Error: Must use import to load ES Module
Here is a more verbose version of the error:
...ANSWER
Answered 2022-Mar-15 at 16:08I think the problem is that you are trying to use the deprecated babel-eslint parser, last updated a year ago, which looks like it doesn't support ES6 modules. Updating to the latest parser seems to work, at least for simple linting.
So, do this:
- In package.json, update the line
"babel-eslint": "^10.0.2",
to"@babel/eslint-parser": "^7.5.4",
. This works with the code above but it may be better to use the latest version, which at the time of writing is 7.16.3. - Run
npm i
from a terminal/command prompt in the folder - In .eslintrc, update the parser line
"parser": "babel-eslint",
to"parser": "@babel/eslint-parser",
- In .eslintrc, add
"requireConfigFile": false,
to the parserOptions section (underneath"ecmaVersion": 8,
) (I needed this or babel was looking for config files I don't have) - Run the command to lint a file
Then, for me with just your two configuration files, the error goes away and I get appropriate linting errors.
QUESTION
I'm scratching my head because I ran npm i swiper
and read through the Swiper Vue docs and it says to import { Swiper, SwiperSlide } from 'swiper/vue
which I've done and I even get the bundle size showing 95.4K (gzipped: 28.9K)
.
When I run npm run serve
I then get this error
ANSWER
Answered 2021-Oct-03 at 03:08If you're using the swiper version 7* then you could face this type of issue.
Try downgrading to the v6.7.5 , see if that helps.
QUESTION
I am running the command npx webpack-dev-server --mode development
in my react
application and getting the preceding error.
ANSWER
Answered 2021-Sep-08 at 13:30It seems like the updated version of webpack
doesn't support the property hotOnly
, we should use the option hot
instead. You can see a GitHub issue associated with this here.
QUESTION
ANSWER
Answered 2022-Feb-08 at 19:42Found the answer here -> https://github.com/storybookjs/storybook/issues/15336
The solution is simply to add the following to .storybook\main.js
QUESTION
ES6
syntax (or latest one) in my entire react-app built.
I've already managed to avoid polyfills in my own code by omitting some babel dependencies (such as @babel/preset-env
).
My bundled file does however hold, by most part, ES5
syntax. I'm assuming that babel (or webpack?) is polyfilling react and webpack's runtime to ES5
for browser compatibility.
Another option could be that webpack's runtime is natively supposed to use ES5
and cannot be converted to ES6
(current sustained possibility, see answer).
Here is my package.json
:
ANSWER
Answered 2021-Dec-31 at 21:37If you are not using @babel/preset-env
then your code shouldn't change by default. Only react should get transpiled to es5 (mostly JSX transpilation). You are probably mentioning the boilerplate code added by webpack which can be in es5.
you can use optimization: { minimize: false }
in your webpack config, to see your bundle better.
These boilerplates by webpack are called runtime.
There is no way to force webpack to use a set of features, but you can force it to NOT use a set of features threw output.environment.*
. For example with the code below you are saying to not use const
in the runtime code.
QUESTION
I get the following error when i want to start my vue 3 typescript project:
...ANSWER
Answered 2021-Nov-21 at 18:01That actually is a bug.
See, they use import()
function on a string, that is the result of path.resolve()
call. As you have already noticed, the import()
function only works with file://
and data://
URLs, but path.resolve()
only returns an absolute path (not a URL), which on Windows environment usually starts with the name of the local disk (e.g., C:
).
QUESTION
So i'm new in JS and i have a task for mastering Ajax Requests.I should send an email input from form to the server and a lot more,but i can not figure out how to send this data to a server that is in another folder.I lost all my nerves with this task and i dont know what to do.
So,i have a folder personal-website-server and another folder src where is my project,both folders are in another folder,the parent.
It looks like this :
./
dist < webpack bundle folder
node_modules
personal-website-server
/ package.json in personal-website-server
src
and package.json in the parent folder
Image for more understanding:
So,i should do this:
Upon clicking on the "Subscribe" button, implement the functionality for sending a user email to the server. For that, make POST Ajax request using http://localhost:3000/subscribe endpoint. The call to the server should only be made when the form is valid (the validate function )
The connection is made through a proxy to the server,idk how this thing works and i get it hard to do this task because its not so described.
Codes:
I created fetch.js in src that checks if email is valid and sends it to the server,like i understood:
ANSWER
Answered 2021-Dec-17 at 13:50I fixed the problem,it was in the webpack.config.js.I didnt listened to the apis and now it is like this :
QUESTION
I'm trying to setup a webpack dev server but for a reason, I'm running into an error.
[webpack-cli] Invalid options object. Dev Server has been initialized using an options object that does not match the API schema. options has an unknown property 'contentBase'. These properties are valid: object { allowedHosts?, bonjour?, client?, compress?, devMiddleware?, headers?, historyApiFallback?, host?, hot?, http2?, https?, ipc?, liveReload?, magicHtml?, onAfterSetupMiddleware?, onBeforeSetupMiddleware?, onListening?, open?, port?, proxy?, server?, setupExitSignals?, static?, watchFiles?, webSocketServer? }
I did install all the needed packages globally and tried some other suggestions but I cannot get it to work.
This is the config:
...ANSWER
Answered 2021-Dec-10 at 20:27I can assume the error appeared after migration to the latest version of Webpack/DevServer, they did several breaking changes, including devServer settings.
Especially for this issue try to use this code instead of contentBase
:
QUESTION
I have been trying to make this React App, but when I try to do yarn start
it shows the following error message:
ANSWER
Answered 2021-Dec-09 at 11:31- removed /node_modules and yarn.lock file. 2.then reinstalled deleted packages/file using yarn install .
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