@lou.codes/iterables/dist/map.js

🔁 Iterable and AsyncIterable utils

import { createIterableIterator } from "./createIterableIterator.js";
/**
 * Map for iterables.
 *
 * @category Generators
 * @example
 * ```typescript
 * const double = value => value * 2;
 * const mapDouble = map(double);
 *
 * mapDouble([1, 2, 3]); // [2, 4, 6]
 * ```
 * @param mapper Mapper function.
 * @returns Generator function with `mapper` function set in context.
 */
export const map = mapper => iterable =>
	createIterableIterator(function* () {
		// eslint-disable-next-line functional/no-loop-statements
		for (const item of iterable) {
			yield mapper(item);
		}
	});