utils.ts

export function generateRandomArray(
 min: number,
 max: number,
 length: number
): number[] {
 return Array.from(
 { length },
 () => Math.floor(Math.random() * (max - min + 1)) + min
 );
}

export function getRandomValueFromArray(array: number[]): number {
 if (array.length === 0) return 42;
 const randomIndex = Math.floor(Math.random() * array.length);
 return array[randomIndex]!;
}

// Glossary utility functions
export function sortByAlphabet<T extends { term: string }>(items: T[]): T[] {
 return [...items].sort((a, b) => a.term.localeCompare(b.term));
}

export function groupTermsByFirstLetter<T extends { term: string }>(
 items: T[]
): Record<string, T[]> {
 const sorted = sortByAlphabet(items);

 return sorted.reduce((groups: Record<string, T[]>, item) => {
 const firstLetter = item.term.charAt(0).toUpperCase();
 if (!groups[firstLetter]) {
 groups[firstLetter] = [];
 }
 groups[firstLetter].push(item);
 return groups;
 }, {});
}