Javascript Decorators

Decorator parameters and return

	Class	Method	Getter	Setter	Field	Accessor
decorator parameters
`value`	the class	the method	the getter	the setter	`undefined`	`{get, set}`
`{`
`kind:`	`"class"`	`"method"`	`"getter"`	`"setter"`	`"field"`	`"accessor"`
`name:`	the element name
`access.get()`	`undefined`	if it is private	if it is private	`undefined`	if it is private	if it is private
`access.set(value)`	`undefined`	`undefined`	`undefined`	if it is private	if it is private	if it is private
`isStatic:`	`undefined`	`true` if it is a static member
`isPrivate:`	`undefined`	`true` if it is a private member
`getMetadata(key)`	always
`setMetadata(key,value)`	always
`addInitializer(initalizer)`	only if it called with `@init:`
`}`
decorator return
`return` (optional)	new class	new method	new getter	new setter	function for the initial value	new object with `{get, set}`

Class		`MyClass[Symbol.metadata][KEY].constructor`
Object member	public	`MyClass.prototype[Symbol.metadata][KEY].public.name`
	private	`MyClass.prototype[Symbol.metadata][KEY].private`
Static	public	`MyClass[Symbol.metadata][KEY].public.name`
	private	`MyClass[Symbol.metadata][KEY].private`
`MyClass` is the class name `Symbol.metadata` is a well know symbol `KEY` is the symbol used as key `name` is the member name `private` is an array with all private members metadata