10 lines · 291 B · TypeScript
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export function findLast<T>(  items: readonly T[],  predicate: (item: T, index: number, items: readonly T[]) => boolean,): T | undefined {  for (let i = items.length - 1; i >= 0; i -= 1) {    const item = items[i]    if (predicate(item, i, items)) return item  }  return undefined}