@lou.codes/iterables/dist/asynchronous/some.js

🔁 Iterable and AsyncIterable utils

import { negate, then } from "@lou.codes/utils";
import { every } from "./every.js";
const thenNot = then(result => !result);
/**
 * Evaluates items in an iterable or asynchronous iterable against a predicate
 * and returns `true` if any item evaluates to `true`.
 *
 * @category Asynchronous Reducers
 * @example
 * ```typescript
 * const someEven = some((number: number) => number % 2 === 0);
 * someEven([1, 2, 3, 4]); // true
 * someEven([1, 3, 5, 7]); // false
 * ```
 * @param predicate Predicate function to evaluate each item.
 * @returns Curried function with `predicate` set in context.
 */
export const some = predicate => {
	const everyPredicate = every(negate(predicate));
	return iterable => thenNot(everyPredicate(iterable));
};