Type 'IArguments' is not an array type

The console.log call is incorrect just pass ahead the paramater received:

@Injectable()
export class Logger {
    log(...args: any[]) {
        console.log(args);
    }
}

Or to print as a real console:

@Injectable()
export class Logger {
    log(...args: any[]) {
        console.log.apply(console, args);
    }
}

this worked for me:

console.log(...Array.from(arguments));

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