"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.chainParSwitch = chainParSwitch;
exports.chainParSwitch_ = chainParSwitch_;

var CH = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../../Channel/index.cjs"));

var C = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("../core.cjs"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

// ets_tracing: off

/**
 * Maps each element of this stream to another stream and returns the non-deterministic merge
 * of those streams, executing up to `n` inner streams concurrently. When a new stream is created
 * from an element of the source stream, the oldest executing stream is cancelled. Up to `bufferSize`
 * elements of the produced streams may be buffered in memory by this operator.
 */
function chainParSwitch_(self, f, n, bufferSize = 16) {
  return new C.Stream(CH.mergeMap_(CH.concatMap_(self.channel, _ => CH.writeChunk(_)), n, _ => f(_).channel, bufferSize, "BufferSliding"));
}
/**
 * Maps each element of this stream to another stream and returns the non-deterministic merge
 * of those streams, executing up to `n` inner streams concurrently. When a new stream is created
 * from an element of the source stream, the oldest executing stream is cancelled. Up to `bufferSize`
 * elements of the produced streams may be buffered in memory by this operator.
 *
 * @ets_data_first chainParSwitch_
 */


function chainParSwitch(f, n, bufferSize = 16) {
  return self => chainParSwitch_(self, f, n, bufferSize);
}
//# sourceMappingURL=chainParSwitch.cjs.map