31 lines
754 B
TypeScript
31 lines
754 B
TypeScript
import { useCallback } from 'react';
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export type GetInitialsFn = (fullName: string) => string;
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function getInitial(name: string): string {
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return Array.from(name)[0] ?? '';
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}
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export function useInitials(): GetInitialsFn {
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return useCallback((fullName: string): string => {
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if (!fullName) {
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return '';
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}
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const names = fullName.trim().split(/\s+/u).filter(Boolean);
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if (names.length === 0) {
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return '';
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}
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if (names.length === 1) {
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return getInitial(names[0]).toUpperCase();
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}
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const firstInitial = getInitial(names[0]);
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const lastInitial = getInitial(names[names.length - 1]);
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return `${firstInitial}${lastInitial}`.toUpperCase();
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}, []);
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}
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