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@babel/plugin-transform-classes
Advanced tools
The @babel/plugin-transform-classes package is a plugin for Babel that transforms ES2015+ class syntax into equivalent ES5 code. This is useful for ensuring compatibility with environments that do not support the latest JavaScript features.
Class transformation
Transforms ES2015+ class syntax into equivalent ES5 constructor functions with prototype methods.
{"class MyClass { constructor(name) { this.name = name; } greet() { return 'Hello, ' + this.name; } } }
Super calls
Handles 'super' calls and transforms them into appropriate ES5 code that calls the parent class constructor or methods.
{"class ChildClass extends ParentClass { constructor(name) { super(name); } } }
Static methods
Transforms static methods in classes to static methods on the constructor function in ES5.
{"class MyClass { static myStaticMethod() { return 'I am static'; } } }
Instance properties
Transforms class instance properties into assignments within the constructor function.
{"class MyClass { myProperty = 'default value'; } }
Transforms ES2015+ arrow functions into equivalent ES5 function expressions. Similar in that it provides transformation of modern JavaScript features to ES5, but focuses on arrow functions instead of classes.
Transforms ES2015+ destructuring assignments and parameters into equivalent ES5 code. Similar in that it provides transformation of modern JavaScript syntax to ES5, but focuses on destructuring rather than class syntax.
Transforms ES2015+ spread syntax for arrays and function calls into equivalent ES5 code. Similar in that it provides transformation of modern JavaScript features to ES5, but focuses on spread syntax instead of class syntax.
Compile ES2015 classes to ES5
See our website @babel/plugin-transform-classes for more information.
Using npm:
npm install --save-dev @babel/plugin-transform-classes
or using yarn:
yarn add @babel/plugin-transform-classes --dev
v7.25.4 (2024-08-22)
babel-traverse
babel-helper-create-class-features-plugin
, babel-plugin-proposal-decorators
babel-types
babel-generator
export namespace as A
(@nicolo-ribaudo)babel-generator
, babel-plugin-proposal-decorators
, babel-plugin-proposal-destructuring-private
, babel-plugin-proposal-pipeline-operator
, babel-plugin-transform-class-properties
, babel-plugin-transform-destructuring
, babel-plugin-transform-optional-chaining
, babel-plugin-transform-private-methods
, babel-plugin-transform-private-property-in-object
, babel-plugin-transform-typescript
, babel-runtime-corejs2
, babel-runtime
, babel-traverse
babel-generator
, babel-plugin-transform-class-properties
babel-generator
, babel-plugin-proposal-decorators
, babel-plugin-proposal-destructuring-private
, babel-plugin-transform-object-rest-spread
babel-generator
FAQs
Compile ES2015 classes to ES5
The npm package @babel/plugin-transform-classes receives a total of 20,653,803 weekly downloads. As such, @babel/plugin-transform-classes popularity was classified as popular.
We found that @babel/plugin-transform-classes demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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