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name : Notification.js
 import { EMPTY } from './observable/empty';
import { of } from './observable/of';
import { throwError } from './observable/throwError';
import { isFunction } from './util/isFunction';
export var NotificationKind;
(function (NotificationKind) {
    NotificationKind["NEXT"] = "N";
    NotificationKind["ERROR"] = "E";
    NotificationKind["COMPLETE"] = "C";
})(NotificationKind || (NotificationKind = {}));
var Notification = (function () {
    function Notification(kind, value, error) {
        this.kind = kind;
        this.value = value;
        this.error = error;
        this.hasValue = kind === 'N';
    }
    Notification.prototype.observe = function (observer) {
        return observeNotification(this, observer);
    };
    Notification.prototype.do = function (nextHandler, errorHandler, completeHandler) {
        var _a = this, kind = _a.kind, value = _a.value, error = _a.error;
        return kind === 'N' ? nextHandler === null || nextHandler === void 0 ? void 0 : nextHandler(value) : kind === 'E' ? errorHandler === null || errorHandler === void 0 ? void 0 : errorHandler(error) : completeHandler === null || completeHandler === void 0 ? void 0 : completeHandler();
    };
    Notification.prototype.accept = function (nextOrObserver, error, complete) {
        var _a;
        return isFunction((_a = nextOrObserver) === null || _a === void 0 ? void 0 : _a.next)
            ? this.observe(nextOrObserver)
            : this.do(nextOrObserver, error, complete);
    };
    Notification.prototype.toObservable = function () {
        var _a = this, kind = _a.kind, value = _a.value, error = _a.error;
        var result = kind === 'N'
            ?
                of(value)
            :
                kind === 'E'
                    ?
                        throwError(function () { return error; })
                    :
                        kind === 'C'
                            ?
                                EMPTY
                            :
                                0;
        if (!result) {
            throw new TypeError("Unexpected notification kind " + kind);
        }
        return result;
    };
    Notification.createNext = function (value) {
        return new Notification('N', value);
    };
    Notification.createError = function (err) {
        return new Notification('E', undefined, err);
    };
    Notification.createComplete = function () {
        return Notification.completeNotification;
    };
    Notification.completeNotification = new Notification('C');
    return Notification;
}());
export { Notification };
export function observeNotification(notification, observer) {
    var _a, _b, _c;
    var _d = notification, kind = _d.kind, value = _d.value, error = _d.error;
    if (typeof kind !== 'string') {
        throw new TypeError('Invalid notification, missing "kind"');
    }
    kind === 'N' ? (_a = observer.next) === null || _a === void 0 ? void 0 : _a.call(observer, value) : kind === 'E' ? (_b = observer.error) === null || _b === void 0 ? void 0 : _b.call(observer, error) : (_c = observer.complete) === null || _c === void 0 ? void 0 : _c.call(observer);
}
//# sourceMappingURL=Notification.js.map
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