{"ast":null,"code":"import _inherits from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/inherits\";\nimport _createSuper from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/createSuper\";\nimport _classCallCheck from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/createClass\";\nimport { map } from './map';\nimport { from } from '../observable/from';\nimport { SimpleOuterSubscriber, SimpleInnerSubscriber, innerSubscribe } from '../innerSubscribe';\nexport function mergeMap(project, resultSelector) {\n  var concurrent = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : Number.POSITIVE_INFINITY;\n\n  if (typeof resultSelector === 'function') {\n    return function (source) {\n      return source.pipe(mergeMap(function (a, i) {\n        return from(project(a, i)).pipe(map(function (b, ii) {\n          return resultSelector(a, b, i, ii);\n        }));\n      }, concurrent));\n    };\n  } else if (typeof resultSelector === 'number') {\n    concurrent = resultSelector;\n  }\n\n  return function (source) {\n    return source.lift(new MergeMapOperator(project, concurrent));\n  };\n}\nexport var MergeMapOperator = /*#__PURE__*/function () {\n  function MergeMapOperator(project) {\n    var concurrent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : Number.POSITIVE_INFINITY;\n\n    _classCallCheck(this, MergeMapOperator);\n\n    this.project = project;\n    this.concurrent = concurrent;\n  }\n\n  _createClass(MergeMapOperator, [{\n    key: \"call\",\n    value: function call(observer, source) {\n      return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));\n    }\n  }]);\n\n  return MergeMapOperator;\n}();\nexport var MergeMapSubscriber = /*#__PURE__*/function (_SimpleOuterSubscribe) {\n  _inherits(MergeMapSubscriber, _SimpleOuterSubscribe);\n\n  var _super = _createSuper(MergeMapSubscriber);\n\n  function MergeMapSubscriber(destination, project) {\n    var _this;\n\n    var concurrent = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : Number.POSITIVE_INFINITY;\n\n    _classCallCheck(this, MergeMapSubscriber);\n\n    _this = _super.call(this, destination);\n    _this.project = project;\n    _this.concurrent = concurrent;\n    _this.hasCompleted = false;\n    _this.buffer = [];\n    _this.active = 0;\n    _this.index = 0;\n    return _this;\n  }\n\n  _createClass(MergeMapSubscriber, [{\n    key: \"_next\",\n    value: function _next(value) {\n      if (this.active < this.concurrent) {\n        this._tryNext(value);\n      } else {\n        this.buffer.push(value);\n      }\n    }\n  }, {\n    key: \"_tryNext\",\n    value: function _tryNext(value) {\n      var result;\n      var index = this.index++;\n\n      try {\n        result = this.project(value, index);\n      } catch (err) {\n        this.destination.error(err);\n        return;\n      }\n\n      this.active++;\n\n      this._innerSub(result);\n    }\n  }, {\n    key: \"_innerSub\",\n    value: function _innerSub(ish) {\n      var innerSubscriber = new SimpleInnerSubscriber(this);\n      var destination = this.destination;\n      destination.add(innerSubscriber);\n      var innerSubscription = innerSubscribe(ish, innerSubscriber);\n\n      if (innerSubscription !== innerSubscriber) {\n        destination.add(innerSubscription);\n      }\n    }\n  }, {\n    key: \"_complete\",\n    value: function _complete() {\n      this.hasCompleted = true;\n\n      if (this.active === 0 && this.buffer.length === 0) {\n        this.destination.complete();\n      }\n\n      this.unsubscribe();\n    }\n  }, {\n    key: \"notifyNext\",\n    value: function notifyNext(innerValue) {\n      this.destination.next(innerValue);\n    }\n  }, {\n    key: \"notifyComplete\",\n    value: function notifyComplete() {\n      var buffer = this.buffer;\n      this.active--;\n\n      if (buffer.length > 0) {\n        this._next(buffer.shift());\n      } else if (this.active === 0 && this.hasCompleted) {\n        this.destination.complete();\n      }\n    }\n  }]);\n\n  return MergeMapSubscriber;\n}(SimpleOuterSubscriber);\nexport var flatMap = mergeMap; //# sourceMappingURL=mergeMap.js.map","map":null,"metadata":{},"sourceType":"module"}