babel-plugin-transform-decorators

> Compile class and object decorators to ES5

Example

(examples are from proposal)

$3

``js
@annotation
class MyClass { }

function annotation(target) {
target.annotated = true;
}
`

$3

`js
@isTestable(true)
class MyClass { }

function isTestable(value) {
return function decorator(target) {
target.isTestable = value;
}
}
`

$3

`js
class C {
@enumerable(false)
method() { }
}

function enumerable(value) {
return function (target, key, descriptor) {
descriptor.enumerable = value;
return descriptor;
}
}
`

Installation

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

Usage

$3

.babelrc

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

$3

`sh
babel --plugins transform-decorators script.js
`

$3

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

References

* Proposal: Javascript Decorators