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@babel/plugin-proposal-class-properties

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@babel/plugin-proposal-class-properties

This plugin transforms static class properties as well as properties declared with the property initializer syntax

  • 7.12.1
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  • npm
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15M
decreased by-7.76%
Maintainers
6
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What is @babel/plugin-proposal-class-properties?

The @babel/plugin-proposal-class-properties package is a Babel plugin that allows you to use the class properties syntax in JavaScript. This syntax is part of a proposal for ECMAScript and has not been finalized yet, but this plugin lets you use it with Babel to compile your code to a version of JavaScript that is compatible with current environments. It supports both static and instance properties, as well as public and private fields.

What are @babel/plugin-proposal-class-properties's main functionalities?

Static Class Properties

Allows you to define static properties on a class, which are properties that are accessed on the class itself, not on instances of the class.

class MyClass {\n  static myStaticProp = 42;\n}

Instance Class Properties

Enables you to define properties directly on class instances, with an initial value, without needing to set them inside the class constructor.

class MyClass {\n  myInstanceProp = 'default value';\n}

Public Class Fields

Supports the declaration of public fields in a class, which are accessible from outside of the class.

class MyClass {\n  publicField = 'some value';\n}

Private Class Fields

Allows the definition of private fields in a class, which are only accessible within the class itself using the '#' syntax.

class MyClass {\n  #privateField = 'hidden value';\n}

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Package last updated on 15 Oct 2020

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