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@babel/core

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    @babel/core

Babel compiler core.


Version published
Weekly downloads
52M
decreased by-1.13%
Maintainers
4
Install size
10.7 MB
Created
Weekly downloads
 

Package description

What is @babel/core?

@babel/core is the core library of the Babel JavaScript compiler. It is primarily used for transforming ES6+ code into backwards compatible JavaScript that can be run by older JavaScript engines. Babel is widely used for its ability to transpile new JavaScript syntax, JSX, TypeScript, and for its plugin system that allows developers to use experimental features and customize the build process.

What are @babel/core's main functionalities?

Syntax Transformation

Transforms modern JavaScript syntax into a backwards compatible version. For example, it can convert ES6 arrow functions into regular ES5 functions.

require('@babel/core').transform('code', { presets: ['@babel/preset-env'] });

Plugin/Preset Application

Applies Babel plugins or presets to the code to enable specific transformations or sets of transformations.

require('@babel/core').transform('code', { plugins: ['@babel/plugin-transform-arrow-functions'] });

Source Map Generation

Generates source maps which help in debugging the original source code after it has been transformed by Babel.

require('@babel/core').transform('code', { sourceMaps: true });

Code Generation

Generates code from an Abstract Syntax Tree (AST). This is useful when you want to transform the AST directly or manipulate it before generating code.

require('@babel/core').transformFromAst(ast, 'code', { presets: ['@babel/preset-env'] });

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Changelog

Source

v7.24.7 (2024-06-05)

:bug: Bug Fix
  • babel-node
    • #16554 Allow extra flags in babel-node (@nicolo-ribaudo)
  • babel-traverse
  • babel-helper-transform-fixture-test-runner, babel-plugin-proposal-explicit-resource-management
:house: Internal
  • babel-helpers, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime

Readme

Source

@babel/core

Babel compiler core.

See our website @babel/core for more information or the issues associated with this package.

Install

Using npm:

npm install --save-dev @babel/core

or using yarn:

yarn add @babel/core --dev

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Last updated on 05 Jun 2024

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