"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.map$ = map$;
exports.mapWithLimit$ = mapWithLimit$;
var _rxjs = require("rxjs");
var _operators = require("rxjs/operators");
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

/**
 * Creates an observable whose values are the result of calling `fn` for each
 * item in `iterable`. `fn` can return either a Promise or an Observable. If
 * `fn` returns observables then they will properly abort if an error occurs.
 *
 * Results are emitted as soon as they are available so their order is very
 * likely to not match their order in the input `array`.
 *
 * @param iterable Items to iterate
 * @param fn Function to call for each item. Result is added/concatenated into the result array in place of the input value
 */
function map$(iterable, fn) {
  return (0, _rxjs.from)(iterable).pipe((0, _operators.mergeMap)(fn));
}

/**
 * Creates an observable whose values are the result of calling `fn` for each
 * item in `iterable`. `fn` can return either a Promise or an Observable. If
 * `fn` returns observables then they will properly abort if an error occurs.
 *
 * The number of concurrent executions of `fn` is limited by `limit`.
 *
 * Results are emitted as soon as they are available so their order is very
 * likely to not match their order in the input `array`.
 *
 * @param iterable Items to iterate
 * @param limit Maximum number of operations to run in parallel
 * @param fn Function to call for each item. Result is added/concatenated into the result array in place of the input value
 */
function mapWithLimit$(iterable, limit, fn) {
  return (0, _rxjs.from)(iterable).pipe((0, _operators.mergeMap)(fn, limit));
}