Babel/core

All transformations will use babel/core local configuration files. See options to disable it.

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. Try it out at our REPL.

Babel/core

Transforms the passed in code. Calling a callback with an object with the generated code, source map, and AST. In Babel 6, this method was synchronous and transformSync did not exist. For backward-compatibility, this function will behave synchronously if no callback is given. If you're starting with Babel 7 and need synchronous behavior, please use transformSync since this backward-compatibility will be dropped in Babel 8. Returning an object with the generated code, source map, and AST. Returning an promise for an object with the generated code, source map, and AST. Synchronous version of babel. Returns the transformed contents of the filename. Promise version of babel. Returns a promise for the transformed contents of the filename. Given an AST , transform it. In Babel 6, this method was synchronous and transformFromAstSync did not exist.

NOTE: This overrides the comment option when used.

Scan your projects for vulnerabilities. Fix quickly with automated fixes. Get started with Snyk for free. The npm package babel-core receives a total of 7,, downloads a week. As such, we scored babel-core popularity level to be Key ecosystem project.

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. Try it out at our REPL. Mostly a handful of volunteers, funded by you! Please check out our team page! I'm so glad you asked: Hallelujah —— In Praise of Babel by angus-c , audio version by swyx.

Babel/core

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.

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Guides Usage Guide On this page. JLHwung babel-plugin-proposal-decorators [decorators] fix: support string literal properties. JLHwung v7. As such, we scored babel-core popularity level to be Key ecosystem project. Example scan for your app Source Code 2. If set to "both" then a map property is returned as well as a source map comment appended. If this function is called multiple times for a given plugin, Babel will call the plugin's function itself multiple times. List of presets a set of plugins to load and use. This does not emit sourcemap files by itself! Gvozd babel-core , babel-helper-module-imports , babel-helper-transform-fixture-test-runner , babel-plugin-transform-modules-amd , babel-plugin-transform-modules-commonjs , babel-plugin-transform-modules-umd , babel-preset-env-standalone , babel-preset-env , babel-standalone Rely entirely on sourceType for module vs script differentiation.. Based on project statistics from the GitHub repository for the npm package babel-core, we found that it has been starred 42, times. Returning an object with the generated code, source map, and AST. Plugin instances aren't meant to be manipulated directly, but often callers will serialize this opts to JSON to use it as a cache key representing the options Babel has received.

Transforms the passed in code. Calling a callback with an object with the generated code, source map, and AST. In Babel 6, this method was synchronous and transformSync did not exist.

JLHwung babel-core , babel-plugin-transform-runtime , babel-register Remove circular dependency. See the full security scan results. Opposite to the only option. Daniel15 Move babel-standalone into main Babel repo. Here's the installation command and a basic usage example:. This will lead to wacky code but is handy for scenarios where you can't use source maps. But the most important to us right now are --plugins and --presets. Last Release 6 years ago. Is babel-core safe to use? Andarist babel-register make babel injectable in babel-register. Now the env preset will only load transformation plugins for features that are not available in our target browsers. Andarist babel-plugin-transform-esparameters , babel-traverse Requeueing sometimes has wrong scope. Returning an object with the generated code, source map, and AST.