"use strict";

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

var tsplus_module_1 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@tsplus/stdlib/collections/HashMap/empty"));

var tsplus_module_2 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@tsplus/stdlib/collections/HashMap/_internal/hashMap"));

var tsplus_module_3 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@tsplus/stdlib/collections/HashMap/update"));

var tsplus_module_4 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@tsplus/stdlib/collections/HashMap/set"));

var tsplus_module_5 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@effect/core/stream/Sink/operations/foldWeighted"));

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; }

/**
 * A sink that collects first `n` keys into a map. The keys are calculated
 * from inputs using the keying function `key`; if multiple inputs use the the
 * same key, they are merged using the `f` function.
 *
 * @tsplus static ets/Sink/Ops collectAllToMapN
 */
function collectAllToMapN(n, key, f, __tsplusTrace) {
  return tsplus_module_5.foldWeighted(() => tsplus_module_1.empty(), (acc, in_) => tsplus_module_2.has_(acc, key(in_)) ? 0 : 1, n, (acc, in_) => {
    const k = key(in_);
    return tsplus_module_2.has_(acc, k) ? tsplus_module_3.update_(acc, k, v => f(v, in_)) : tsplus_module_4.set_(acc, k, in_);
  }, __tsplusTrace);
}
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