Created
November 8, 2022 02:05
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type Person = { | |
birthday: Date; | |
}; | |
type Car = { | |
yearOfConstruction: Date; | |
}; | |
function calcAge( | |
input: Date | null | undefined | string | Person | Car | |
): number { | |
if (!input) { | |
return 0; | |
} else if (typeof input === "string") { | |
return diffInYears(parse(input)); | |
} else if (input instanceof Date) { | |
return diffInYears(input); | |
} else if (input.type === "Car") { | |
return diffInYears(input.yearOfConstruction); | |
} else { | |
return diffInYears(input.birthday); | |
} | |
} |
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