type-plus/cjs/array/array.find_last.d.ts

Provides additional types for TypeScript.

import type { TupleType } from '../tuple/tuple_type.js';
/**
 * 🦴 *utilities*
 *
 * Gets the last type in the array or tuple that matches the `Criteria`.
 *
 * If the `Criteria` is not met, it will return `never'.
 *
 * For `Array<T>`, it will return `T | undefined` if `T` satisfies `Criteria`.
 *
 * @example
 * ```ts
 * ArrayPlus.Find<Array<1 | 2 | 'x'>, number> // 1 | 2 | undefined
 *
 * ArrayPlus.Find<[true, 123, 'x', 321], number> // 321
 * ```
 */
export type FindLast<A extends Array<any>, Criteria> = TupleType<A, A['length'] extends 0 ? never : A extends [...infer Heads, infer Last] ? Last extends Criteria ? Last : FindLast<Heads, Criteria> : never, A extends Array<infer T> ? (T extends Criteria ? T | undefined : never) : never>;
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