44 lines
1.1 KiB
TypeScript
Executable File
44 lines
1.1 KiB
TypeScript
Executable File
import {Person} from '@app/titles/models/person';
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import {FormattedDateTimeRange} from '@common/i18n/formatted-date-time-range';
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import {Fragment, memo} from 'react';
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interface Props {
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person: Person;
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showRange?: boolean;
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}
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export const PersonAge = memo(({person, showRange}: Props) => {
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if (showRange && person.birth_date && person.death_date) {
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return (
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<FormattedDateTimeRange
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start={person.birth_date}
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end={person.death_date}
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options={{year: 'numeric'}}
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/>
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);
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}
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if (person.birth_date) {
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return (
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<Fragment>
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{calculateAgeFromBirthDate(person.birth_date, person.death_date)}
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</Fragment>
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);
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}
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return null;
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});
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function calculateAgeFromBirthDate(
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_birthDate: string,
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_deathDate?: string
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): number {
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const until = _deathDate ? new Date(_deathDate) : new Date();
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const birthDate = new Date(_birthDate);
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let age = until.getFullYear() - birthDate.getFullYear();
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const m = until.getMonth() - birthDate.getMonth();
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if (m < 0 || (m === 0 && until.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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