Function: methodDecoratorLegacyWrapper()

function methodDecoratorLegacyWrapper<T>(decorator): MethodDecorator;

Wraps a method decorator to ensure compatibility with both legacy and 2023-11 proposal contexts.

This wrapper enforces that the decorator is only applied in a valid 2023-11 proposal context and throws appropriate errors for unsupported usage.

Type Parameters

T extends Function = Function

The type of the method being decorated.

The method decorator function conforming to the 2023-11 proposal.

MethodDecorator

A legacy-compatible MethodDecorator that works with TypeScript's expectations.

If the decorator is used outside the 2023-11 context or on invalid targets.