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23 lines
764 B
TypeScript
23 lines
764 B
TypeScript
export const BIRTH_DATE_DAY = "31"
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export const BIRTH_DATE_MONTH = "03"
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export const BIRTH_DATE_YEAR = "2003"
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export const BIRTH_DATE_STRING =
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`${BIRTH_DATE_DAY}/${BIRTH_DATE_MONTH}/${BIRTH_DATE_YEAR}` as const
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export const BIRTH_DATE_ISO_8601 =
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`${BIRTH_DATE_YEAR}-${BIRTH_DATE_MONTH}-${BIRTH_DATE_DAY}` as const
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export const BIRTH_DATE = new Date(BIRTH_DATE_ISO_8601)
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/**
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* Calculates the age of a person based on their birth date.
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* @param birthDate
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*/
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export const getAge = (birthDate: Date): number => {
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const today = new Date()
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let age = today.getFullYear() - birthDate.getFullYear()
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const month = today.getMonth() - birthDate.getMonth()
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if (month < 0 || (month === 0 && today.getDate() < birthDate.getDate())) {
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age--
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}
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return age
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}
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