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babel-plugin-transform-decorators

6.24.1 • Public • Published

babel-plugin-transform-decorators

Compile class and object decorators to ES5

Example

(examples are from proposal)

Simple class decorator

@annotation
class MyClass { }
 
function annotation(target) {
   target.annotated = true;
}

Class decorator

@isTestable(true)
class MyClass { }
 
function isTestable(value) {
   return function decorator(target) {
      target.isTestable = value;
   }
}

Class function decorator

class C {
  @enumerable(false)
  method() { }
}
 
function enumerable(value) {
  return function (target, key, descriptor) {
     descriptor.enumerable = value;
     return descriptor;
  }
}

Installation

npm install --save-dev babel-plugin-transform-decorators

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["transform-decorators"]
}

Via CLI

babel --plugins transform-decorators script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["transform-decorators"]
});

References

Keywords

install

npm i babel-plugin-transform-decorators

Downloadsweekly downloads

903,546

version

6.24.1

license

MIT

repository

Gitgithub

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