Created
June 5, 2021 09:14
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Monads using null. Clever tricky by Nathan Franck http://disq.us/p/266tez0
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| function getSupervisorName(enteredId: string | null) { | |
| let employee, supervisor; | |
| if (null != enteredId && | |
| null != (employee = repository.findById(parseInt(enteredId))) && | |
| null != employee.supervisorId && | |
| null != (supervisor = repository.findById(employee.supervisorId))) | |
| return supervisor.name; | |
| } | |
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