node_modules/rxjs/dist/cjs/internal/Subject.js

"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 (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AnonymousSubject = exports.Subject = void 0;
var Observable_1 = require("./Observable");
var Subscription_1 = require("./Subscription");
var ObjectUnsubscribedError_1 = require("./util/ObjectUnsubscribedError");
var arrRemove_1 = require("./util/arrRemove");
var errorContext_1 = require("./util/errorContext");
var Subject = (function (_super) {
    __extends(Subject, _super);
    function Subject() {
        var _this = _super.call(this) || this;
        _this.closed = false;
        _this.currentObservers = null;
        _this.observers = [];
        _this.isStopped = false;
        _this.hasError = false;
        _this.thrownError = null;
        return _this;
    }
    Subject.prototype.lift = function (operator) {
        var subject = new AnonymousSubject(this, this);
        subject.operator = operator;
        return subject;
    };
    Subject.prototype._throwIfClosed = function () {
        if (this.closed) {
            throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError();
        }
    };
    Subject.prototype.next = function (value) {
        var _this = this;
        errorContext_1.errorContext(function () {
            var e_1, _a;
            _this._throwIfClosed();
            if (!_this.isStopped) {
                if (!_this.currentObservers) {
                    _this.currentObservers = Array.from(_this.observers);
                }
                try {
                    for (var _b = __values(_this.currentObservers), _c = _b.next(); !_c.done; _c = _b.next()) {
                        var observer = _c.value;
                        observer.next(value);
                    }
                }
                catch (e_1_1) { e_1 = { error: e_1_1 }; }
                finally {
                    try {
                        if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                    }
                    finally { if (e_1) throw e_1.error; }
                }
            }
        });
    };
    Subject.prototype.error = function (err) {
        var _this = this;
        errorContext_1.errorContext(function () {
            _this._throwIfClosed();
            if (!_this.isStopped) {
                _this.hasError = _this.isStopped = true;
                _this.thrownError = err;
                var observers = _this.observers;
                while (observers.length) {
                    observers.shift().error(err);
                }
            }
        });
    };
    Subject.prototype.complete = function () {
        var _this = this;
        errorContext_1.errorContext(function () {
            _this._throwIfClosed();
            if (!_this.isStopped) {
                _this.isStopped = true;
                var observers = _this.observers;
                while (observers.length) {
                    observers.shift().complete();
                }
            }
        });
    };
    Subject.prototype.unsubscribe = function () {
        this.isStopped = this.closed = true;
        this.observers = this.currentObservers = null;
    };
    Object.defineProperty(Subject.prototype, "observed", {
        get: function () {
            var _a;
            return ((_a = this.observers) === null || _a === void 0 ? void 0 : _a.length) > 0;
        },
        enumerable: false,
        configurable: true
    });
    Subject.prototype._trySubscribe = function (subscriber) {
        this._throwIfClosed();
        return _super.prototype._trySubscribe.call(this, subscriber);
    };
    Subject.prototype._subscribe = function (subscriber) {
        this._throwIfClosed();
        this._checkFinalizedStatuses(subscriber);
        return this._innerSubscribe(subscriber);
    };
    Subject.prototype._innerSubscribe = function (subscriber) {
        var _this = this;
        var _a = this, hasError = _a.hasError, isStopped = _a.isStopped, observers = _a.observers;
        if (hasError || isStopped) {
            return Subscription_1.EMPTY_SUBSCRIPTION;
        }
        this.currentObservers = null;
        observers.push(subscriber);
        return new Subscription_1.Subscription(function () {
            _this.currentObservers = null;
            arrRemove_1.arrRemove(observers, subscriber);
        });
    };
    Subject.prototype._checkFinalizedStatuses = function (subscriber) {
        var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, isStopped = _a.isStopped;
        if (hasError) {
            subscriber.error(thrownError);
        }
        else if (isStopped) {
            subscriber.complete();
        }
    };
    Subject.prototype.asObservable = function () {
        var observable = new Observable_1.Observable();
        observable.source = this;
        return observable;
    };
    Subject.create = function (destination, source) {
        return new AnonymousSubject(destination, source);
    };
    return Subject;
}(Observable_1.Observable));
exports.Subject = Subject;
var AnonymousSubject = (function (_super) {
    __extends(AnonymousSubject, _super);
    function AnonymousSubject(destination, source) {
        var _this = _super.call(this) || this;
        _this.destination = destination;
        _this.source = source;
        return _this;
    }
    AnonymousSubject.prototype.next = function (value) {
        var _a, _b;
        (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.next) === null || _b === void 0 ? void 0 : _b.call(_a, value);
    };
    AnonymousSubject.prototype.error = function (err) {
        var _a, _b;
        (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.error) === null || _b === void 0 ? void 0 : _b.call(_a, err);
    };
    AnonymousSubject.prototype.complete = function () {
        var _a, _b;
        (_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.complete) === null || _b === void 0 ? void 0 : _b.call(_a);
    };
    AnonymousSubject.prototype._subscribe = function (subscriber) {
        var _a, _b;
        return (_b = (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber)) !== null && _b !== void 0 ? _b : Subscription_1.EMPTY_SUBSCRIPTION;
    };
    return AnonymousSubject;
}(Subject));
exports.AnonymousSubject = AnonymousSubject;
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