MethodDecorator gets TS2322/TS2315 #17936
Description
TypeScript Version: 2.4.2
Code
export function route(method: string, path: string): MethodDecorator { return (target: any, name: string, descriptor: TypedPropertyDescriptor<Function>) => { routeManager.regeisterRoute({ constructor: target.constructor, function: descriptor.value, method, path }); } }export function route(method: string, path: string): MethodDecorator<Function> { return (target: any, name: string, descriptor: TypedPropertyDescriptor<Function>) => { routeManager.regeisterRoute({ constructor: target.constructor, function: descriptor.value, method, path }); } }Expected behavior:
No error
Actual behavior:
error TS2322: Type '(target: any, name: string, descriptor: TypedPropertyDescriptor<Function>) => void' is not assignable to type 'MethodDecorate or'. Types of parameters 'descriptor' and 'descriptor' are incompatible. Type 'TypedPropertyDescriptor<T>' is not assignable to type 'TypedPropertyDescriptor<Function>'. Type 'T' is not assignable to type 'Function'. error TS2315: Type 'MethodDecorator' is not generic.