ix/iterable/some.js

The Interactive Extensions for JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.some = void 0;
/**
 * Determines whether any element of an iterable sequence satisfies a condition.
 *
 * @template T The type of the elements in the source sequence.
 * @param {Iterable<T>} source An iterable sequence whose elements to apply the predicate to.
 * @param {FindSubclassedOptions<T, S>} options The options which includes a required predicate, an optional
 * thisArg for binding, and an abort signal for cancellation.
 * @returns {boolean} Returns a boolean determining whether any elements in the source sequence
 * pass the test in the specified predicate.
 */
function some(source, options) {
    const { ['thisArg']: thisArg, ['predicate']: predicate } = options;
    let i = 0;
    for (const item of source) {
        if (predicate.call(thisArg, item, i++)) {
            return true;
        }
    }
    return false;
}
exports.some = some;

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