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import { empty } from './observable/empty';
import { of } from './observable/of';
import { throwError } from './observable/throwError';
export var NotificationKind;
(function (NotificationKind) {
NotificationKind["NEXT"] = "N";
NotificationKind["ERROR"] = "E";
NotificationKind["COMPLETE"] = "C";
})(NotificationKind || (NotificationKind = {}));
export class Notification {
constructor(kind, value, error) {
this.kind = kind;
this.value = value;
this.error = error;
this.hasValue = kind === "N";
}
observe(observer) {
switch (this.kind) {
case "N":
return observer.next && observer.next(this.value);
case "E":
return observer.error && observer.error(this.error);
case "C":
return observer.complete && observer.complete();
}
}
do(next, error, complete) {
const kind = this.kind;
switch (kind) {
case "N":
return next && next(this.value);
case "E":
return error && error(this.error);
case "C":
return complete && complete();
}
}
accept(nextOrObserver, error, complete) {
if (nextOrObserver && typeof nextOrObserver.next === 'function') {
return this.observe(nextOrObserver);
}
else {
return this.do(nextOrObserver, error, complete);
}
}
toObservable() {
const kind = this.kind;
switch (kind) {
case "N":
return of(this.value);
case "E":
return throwError(this.error);
case "C":
return empty();
}
throw new Error('unexpected notification kind value');
}
static createNext(value) {
if (typeof value !== 'undefined') {
return new Notification("N", value);
}
return Notification.undefinedValueNotification;
}
static createError(err) {
return new Notification("E", undefined, err);
}
static createComplete() {
return Notification.completeNotification;
}
}
Notification.completeNotification = new Notification("C");
Notification.undefinedValueNotification = new Notification("N", undefined);
//# sourceMappingURL=Notification.js.map
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