Babel/core

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Babel pronounced "babble" is a community-driven project used by many companies and projects, and is maintained by a group of volunteers. If you'd like to help support the future of the project, please consider:. Our top sponsors are shown below! Babel is a tool that helps you write code in the latest version of JavaScript. When your supported environments don't support certain features natively, Babel will help you compile those features down to a supported version.

Babel/core

All transformations will use your local configuration files. See options to disable it. Transforms the passed in code. Returning an object with the generated code, source map, and AST. Synchronous version of babel. Returns the transformed contents of the filename. Git github. Readme Keywords 6to5 babel classes const es6 harmony let modules transpile transpiler var babel-core compiler. Package Sidebar Install npm i babel-core. Repository Git github. Homepage babeljs. Downloads Weekly Downloads 7,, Version 6.

The browsers list above is just an arbitrary example. If set to "inline"a comment with a sourceMappingURL directive is added to the bottom of the returned babel/core. Many systems that wrap Babel like to automatically inject plugins and presets, or override options.

There are quite a few tools in the Babel toolchain that try to make it easy for you to use Babel whether you're an "end-user" or building an integration of Babel itself. This will be a quick introduction to those tools and you can read more about them in the "Usage" section of the docs. If you're using a framework, the work of configuring Babel might be different or actually already handled for you. Check out our interactive setup guide instead. That will involve both transforming new syntax and polyfilling missing features. Creating a config file named babel.

All transformations will use your local configuration files. See options to disable it. Transforms the passed in code. Returning an object with the generated code, source map, and AST. Synchronous version of babel. Returns the transformed contents of the filename. Git github. Readme Keywords 6to5 babel classes const es6 harmony let modules transpile transpiler var babel-core compiler. Package Sidebar Install npm i babel-core. Repository Git github.

Babel/core

While you can install Babel CLI globally on your machine, it's much better to install it locally project by project. Note: If you do not have a package. This will ensure proper interaction with the npx command. Compiling in the browser has a fairly limited use case, so if you are working on a production site you should be precompiling your scripts server-side. See setup build systems for more information. Check the usage section below for how to use it as a script. Support for Babel in. NET project. The core library can be installed via NuGet:.

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Andarist :bug: Bug Fix babel-preset-env Use helper-module-import inside preset-env. Kovensky babel-plugin-transform-react-display-name Updated transform-react-display-name for createReactClass addon. Closes Even so, you might still want to check its documentation page to learn about the options, most of which can be set from the other tools as well. Daniel15 Move babel-standalone into main Babel repo. Readme Keywords 6to5 babel classes const es6 harmony let modules transpile transpiler var babel-core compiler. JeromeFitz babel-helper-module-imports , babel-plugin-transform-decorators , babel-plugin-transform-typescript Bump prettier. Install Size kB. Open Source 0. JLHwung babel-plugin-proposal-optional-chaining Fix optional method chaining in derived classes. Forks 5. See that function for information about ConfigItem fields. Now the env preset will only load transformation plugins for features that are not available in our target browsers.

This tutorial is written using Babel v7 however the general concepts will apply to any version. You can find the official repository for the Understanding the Modern Web Stack tutorial series here.

I guess we could include a babel-upgrade for this too, not sure. If you have a clear set of expected plugins and presets to inject, pre-constructing the config items would be recommended. Promise version of babel. Retsam babel-types types: allow jsxEmptyExpression inside jsxExpressionContainer. Called as resolveModuleSource source, filename. Specify whether or not to use. If you'd like to help support the future of the project, please consider: Giving developer time on the project. This release fixes a regression introduced in v7. Can be either "script" or "module". Andarist Other Add safari technology preview for babel-preset-env.. Andarist babel-core Cache plugins and presets based on their identity.