import * as check from "../../../../../generated/sync/check/maybe/generic/object";
import {AssertError} from "../../../../../sync/error/AssertError";

export function assertMaybeInstanceOf<T> (name : string, mixed : any, clazz : { new(...args : any[]) : T, name : string }) : (null|undefined|(T))|never {
    const error = check.checkMaybeInstanceOf(mixed, clazz);
    if (error === undefined) {
        return mixed;
    } else {
        throw new AssertError(name, error, mixed, clazz);
    }
}

export function assertMaybeInstanceOfHandler<T> (clazz : { new(...args : any[]) : T, name : string }) : (name : string, mixed : any) => (null|undefined|(T))|never {
    return (name : string, mixed : any) : (null|undefined|(T))|never => {
        return assertMaybeInstanceOf(name, mixed, clazz);
    };
}