feat: initial commit

node_modules/rxjs/internal/operators/groupBy.js

@@ -0,0 +1,196 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Subscriber_1 = require("../Subscriber");
+var Subscription_1 = require("../Subscription");
+var Observable_1 = require("../Observable");
+var Subject_1 = require("../Subject");
+function groupBy(keySelector, elementSelector, durationSelector, subjectSelector) {
+    return function (source) {
+        return source.lift(new GroupByOperator(keySelector, elementSelector, durationSelector, subjectSelector));
+    };
+}
+exports.groupBy = groupBy;
+var GroupByOperator = (function () {
+    function GroupByOperator(keySelector, elementSelector, durationSelector, subjectSelector) {
+        this.keySelector = keySelector;
+        this.elementSelector = elementSelector;
+        this.durationSelector = durationSelector;
+        this.subjectSelector = subjectSelector;
+    }
+    GroupByOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new GroupBySubscriber(subscriber, this.keySelector, this.elementSelector, this.durationSelector, this.subjectSelector));
+    };
+    return GroupByOperator;
+}());
+var GroupBySubscriber = (function (_super) {
+    __extends(GroupBySubscriber, _super);
+    function GroupBySubscriber(destination, keySelector, elementSelector, durationSelector, subjectSelector) {
+        var _this = _super.call(this, destination) || this;
+        _this.keySelector = keySelector;
+        _this.elementSelector = elementSelector;
+        _this.durationSelector = durationSelector;
+        _this.subjectSelector = subjectSelector;
+        _this.groups = null;
+        _this.attemptedToUnsubscribe = false;
+        _this.count = 0;
+        return _this;
+    }
+    GroupBySubscriber.prototype._next = function (value) {
+        var key;
+        try {
+            key = this.keySelector(value);
+        }
+        catch (err) {
+            this.error(err);
+            return;
+        }
+        this._group(value, key);
+    };
+    GroupBySubscriber.prototype._group = function (value, key) {
+        var groups = this.groups;
+        if (!groups) {
+            groups = this.groups = new Map();
+        }
+        var group = groups.get(key);
+        var element;
+        if (this.elementSelector) {
+            try {
+                element = this.elementSelector(value);
+            }
+            catch (err) {
+                this.error(err);
+            }
+        }
+        else {
+            element = value;
+        }
+        if (!group) {
+            group = (this.subjectSelector ? this.subjectSelector() : new Subject_1.Subject());
+            groups.set(key, group);
+            var groupedObservable = new GroupedObservable(key, group, this);
+            this.destination.next(groupedObservable);
+            if (this.durationSelector) {
+                var duration = void 0;
+                try {
+                    duration = this.durationSelector(new GroupedObservable(key, group));
+                }
+                catch (err) {
+                    this.error(err);
+                    return;
+                }
+                this.add(duration.subscribe(new GroupDurationSubscriber(key, group, this)));
+            }
+        }
+        if (!group.closed) {
+            group.next(element);
+        }
+    };
+    GroupBySubscriber.prototype._error = function (err) {
+        var groups = this.groups;
+        if (groups) {
+            groups.forEach(function (group, key) {
+                group.error(err);
+            });
+            groups.clear();
+        }
+        this.destination.error(err);
+    };
+    GroupBySubscriber.prototype._complete = function () {
+        var groups = this.groups;
+        if (groups) {
+            groups.forEach(function (group, key) {
+                group.complete();
+            });
+            groups.clear();
+        }
+        this.destination.complete();
+    };
+    GroupBySubscriber.prototype.removeGroup = function (key) {
+        this.groups.delete(key);
+    };
+    GroupBySubscriber.prototype.unsubscribe = function () {
+        if (!this.closed) {
+            this.attemptedToUnsubscribe = true;
+            if (this.count === 0) {
+                _super.prototype.unsubscribe.call(this);
+            }
+        }
+    };
+    return GroupBySubscriber;
+}(Subscriber_1.Subscriber));
+var GroupDurationSubscriber = (function (_super) {
+    __extends(GroupDurationSubscriber, _super);
+    function GroupDurationSubscriber(key, group, parent) {
+        var _this = _super.call(this, group) || this;
+        _this.key = key;
+        _this.group = group;
+        _this.parent = parent;
+        return _this;
+    }
+    GroupDurationSubscriber.prototype._next = function (value) {
+        this.complete();
+    };
+    GroupDurationSubscriber.prototype._unsubscribe = function () {
+        var _a = this, parent = _a.parent, key = _a.key;
+        this.key = this.parent = null;
+        if (parent) {
+            parent.removeGroup(key);
+        }
+    };
+    return GroupDurationSubscriber;
+}(Subscriber_1.Subscriber));
+var GroupedObservable = (function (_super) {
+    __extends(GroupedObservable, _super);
+    function GroupedObservable(key, groupSubject, refCountSubscription) {
+        var _this = _super.call(this) || this;
+        _this.key = key;
+        _this.groupSubject = groupSubject;
+        _this.refCountSubscription = refCountSubscription;
+        return _this;
+    }
+    GroupedObservable.prototype._subscribe = function (subscriber) {
+        var subscription = new Subscription_1.Subscription();
+        var _a = this, refCountSubscription = _a.refCountSubscription, groupSubject = _a.groupSubject;
+        if (refCountSubscription && !refCountSubscription.closed) {
+            subscription.add(new InnerRefCountSubscription(refCountSubscription));
+        }
+        subscription.add(groupSubject.subscribe(subscriber));
+        return subscription;
+    };
+    return GroupedObservable;
+}(Observable_1.Observable));
+exports.GroupedObservable = GroupedObservable;
+var InnerRefCountSubscription = (function (_super) {
+    __extends(InnerRefCountSubscription, _super);
+    function InnerRefCountSubscription(parent) {
+        var _this = _super.call(this) || this;
+        _this.parent = parent;
+        parent.count++;
+        return _this;
+    }
+    InnerRefCountSubscription.prototype.unsubscribe = function () {
+        var parent = this.parent;
+        if (!parent.closed && !this.closed) {
+            _super.prototype.unsubscribe.call(this);
+            parent.count -= 1;
+            if (parent.count === 0 && parent.attemptedToUnsubscribe) {
+                parent.unsubscribe();
+            }
+        }
+    };
+    return InnerRefCountSubscription;
+}(Subscription_1.Subscription));
+//# sourceMappingURL=groupBy.js.map