When to use babel preset expo or babel-preset-expo?

If you start your web project with @expo/webpack-config or expo start:web and your project doesn't contain a babel.config.js or a .babelrc then it will default to using babel-preset-expo for loading. If you have problems with the code in this repository, please file issues & bug reports at https://github.com/expo/expo.
Furthermore, what do you need to know about presets in Babel?
But there is a solution to this: presets! The Babel foundation has created presets that contains common bundles of plugins. That means you only have to do the NPM installation and babel configuration once and then a bunch of plugins are automatically installed for you.
Besides, how to use Expo init with Babel config? Expo init is creating a babel.config.js for you. Just add the plugins key to your babel.config.js file and add your alias. The env key is not needed anymore.
Also Know, is there a preset for React Native Babel?
This preset extends the default React Native preset ( metro-react-native-babel-preset) and adds support for decorators, tree-shaking web packages, and loading font icons with optional native dependencies if they're installed. You can use this preset in any React Native project as a drop-in replacement for metro-react-native-babel-preset.
In addition, what does bundler mean in Babel preset Expo?
A bundler property denoting the name of the bundler that is being used to create the JavaScript bundle. If the bundler is not defined, it will default to checking if a babel-loader is used, if so then webpack will be used, otherwise it will default to metro.

20 Similar Question Found

Do you need to install babel preset env instead of babel-preset-env?

You need to install @babel/preset-env instead of babel-preset-env. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research!

What does babel-preset-env do for a preset?

babel-preset-env is a new preset that lets you specify an environment and automatically enables the necessary plugins. At the moment, several presets let you determine what features Babel should support:

What does @ babel / preset-env mean in babel?

From this grouping information, Babel enables or disables each group based on the browser support target you specify to @babel/preset-env ’s targets option. When this option is enabled, @babel/preset-env tries to compile the broken syntax to the closest non-broken modern syntax supported by your target browsers.

How does babel / preset-env · babel work?

@babel/preset-env is a smart preset that allows you to use the latest JavaScript without needing to micromanage which syntax transforms (and optionally, browser polyfills) are needed by your target environment (s). This both makes your life easier and JavaScript bundles smaller! How Does it Work? How Does it Work?

Do you need babel preset env for babel?

Babel still requires babel-preset-env. # There are other interesting tools using Browserslist. For example, your linting setup can be configured to warn you if you use code that isn’t supported outside of your Browserslist setup. This is done with the eslint-plugin-compat plugin for ESLint.

When to use babel / preset-typescript · babel?

@babel/preset-typescript This preset is recommended if you use TypeScript, a typed superset of JavaScript. It includes the following plugins:

What does @ babel / preset env mean in babel?

This means babel-cli for example has been renamed to @babel/cli . No messing around with presets anymore. You can just use @babel/preset-env now and optionally define your requirements in the config file. Ok so we have the most important things down.

Do you use conmet preset or preset plus hubs?

Use this kit only with ConMet PreSet or PreSet Plus hubs. Only PreSet and PreSet Plus hubs are designed to utilize these components and function properly. Use of the kit components in hubs other than ConMet PreSet or PreSet Plus could result in catastrophic wheel end failure.

Can a configure preset be the same as a build preset?

However, a configure preset may have the same name as a build or test preset. An optional boolean specifying whether or not a preset should be hidden.

What's the difference between a desktop preset and a mobile preset?

Whereas Lightroom Desktop Presets are not images these are files come with .XMP format and exported by the New Adobe Lightroom CC Classic. Mobile presets are created in Lightroom Classic and they are exported to .DNG format so we can use them with Lightroom Mobile App.

When to use conmet preset or preset plus hubs?

Only ConMet PreSet and PreSet Plus hubs are designed to fit these components and function properly. Use of this bearing spacer in hubs other than ConMet PreSet or PreSet Plus could result in catastrophic wheel end failure. PreSet Plus hubs with an integrated spindle nut were introduced in 2013.

Which is better game preset or heavy preset?

— John Archer, Forbes, 19 Mar. 2021 The Game preset is generally balanced, while Heavy Bass, well… adds more bass. — Michael Andronico, CNN Underscored, 15 Mar. 2021 So the much more stable 2007 nits achieved using the Standard preset is arguably a more realistic brightness figure for most day to day use.

What is the difference between anw2 preset and prc-117g preset?

ANW2 specific waveform presets contain radio network parameters that define how the radio will operate. Up to 99 presets can be programmed in the AN/PRC-117G. The majority of the programming must be done using the CPA.

Is the expert 210 pro dual preset or preset?

If you buy the Expert 210 Pro Dual, which comes in two boxes, the Dual is preset so that one amp takes over the "master" function while the other works as a "companion".

Which is the flow plugin for babel preset react?

If you were relying on Babel to inject "use strict" into all of your CommonJS modules automatically, you'll want to explicitly use the transform-strict-mode plugin in your Babel config. babel-preset-react has always included the flow plugin.

How to create a preset in babel for es6?

To use a preset, you create a new file named .babelrc in the projects folder d:\projects\es6-demo\ with the following content: Now, you can run the build command again: and check the app.js in the dist folder: As you can see, Babel converts the JavaScript ES6 version into the ES5 version.

How to create a typescript preset in babel?

@babel/preset-env = Is a selection of smart presets that allow you to use new features of Javascript without having to micromanage configurations. typescript = This is the whole TypeScript dependency. @babel/preset-typescript = The Babel preset for TypeScript. Create a file called index.ts and place the following TypeScript inside it:

Do you need babel-preset-env and why do i need it?

Out-of-the-box you get all plugins you need to transpile all ES6 features! But babel preset env is smarter than this. You can have even more fine grained controll over what plugins should be installed By default, babel-preset-env just installs all ES6 plugin you’ll need. But this can bloat up your bundle.

Is there a new preset for babel es2015?

babel-preset-env is a new preset, first released over a year ago that replaces many presets that were previously used including: babel-preset-es2015, babel-preset-es2016, babel-preset-es2017

How to configure babel preset, core, and browserslistrc?

Given modern JavaScript syntax as input, babel is able to transform it to compatible code that can run in any browser. To start off create a new folder and initialize the project: Then install babel with: Here we installed babel cli with babel core, and the env preset. Next up we're going to configure babel. Create a configuration file with: