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javascriptclassdecoratorecmascript-next

Can a class decorator receive both the constructor function and additional arguments?

I've been playing with Babel and decorators. For example:

function test(target) { 
}

@test
class A {}

My concern is if there's some way to use a decorator against a class and also be able to give arguments to the so-called decorator and don't lose the chance to get the constructor function as first argument:

function test(target, arg1, argN) {
   // target will be "hello", arg1 will be "world" and argN undefined,
   // while I would expect target to be the constructor function
}

@test("hello", "world")
class A {}
Solution

  • It works this way

    function test(target, arg1, argN) {
  return function(clazz) {
     console.log(target, arg1, clazz)
  } 
}

@test("hello", "world")
class A {}