export function generateCopiedName(originalName: string, exisitingNames: string[]) { const nonDuplicateName = originalName.replace(/\(copy( [0-9]+)?\)$/, '').trim(); let newName = `${nonDuplicateName} (copy)`; for (let i = 2; exisitingNames.includes(newName); i++) { newName = `${nonDuplicateName} (copy ${i})`; } return newName; }