[F] validateDecoratorUniqueOnNode

function validateDecoratorUniqueOnNode(
   context,
   type,
   decorator
): boolean;

Report duplicate applications of a decorator written directly on the type’s declaration. Inherited, copied, and augment-decorator applications do not count as duplicates here.

Parameters

Parameter	Type
context	DecoratorContext
type	Type
decorator	DecoratorFunction

Returns

boolean

Whether at most one matching application is present.