[6a3a178] | 1 | import { empty } from './observable/empty';
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| 2 | import { of } from './observable/of';
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| 3 | import { throwError } from './observable/throwError';
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| 4 | export var NotificationKind;
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| 5 | (function (NotificationKind) {
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| 6 | NotificationKind["NEXT"] = "N";
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| 7 | NotificationKind["ERROR"] = "E";
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| 8 | NotificationKind["COMPLETE"] = "C";
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| 9 | })(NotificationKind || (NotificationKind = {}));
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| 10 | export class Notification {
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| 11 | constructor(kind, value, error) {
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| 12 | this.kind = kind;
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| 13 | this.value = value;
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| 14 | this.error = error;
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| 15 | this.hasValue = kind === 'N';
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| 16 | }
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| 17 | observe(observer) {
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| 18 | switch (this.kind) {
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| 19 | case 'N':
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| 20 | return observer.next && observer.next(this.value);
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| 21 | case 'E':
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| 22 | return observer.error && observer.error(this.error);
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| 23 | case 'C':
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| 24 | return observer.complete && observer.complete();
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| 25 | }
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| 26 | }
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| 27 | do(next, error, complete) {
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| 28 | const kind = this.kind;
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| 29 | switch (kind) {
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| 30 | case 'N':
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| 31 | return next && next(this.value);
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| 32 | case 'E':
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| 33 | return error && error(this.error);
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| 34 | case 'C':
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| 35 | return complete && complete();
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| 36 | }
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| 37 | }
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| 38 | accept(nextOrObserver, error, complete) {
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| 39 | if (nextOrObserver && typeof nextOrObserver.next === 'function') {
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| 40 | return this.observe(nextOrObserver);
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| 41 | }
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| 42 | else {
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| 43 | return this.do(nextOrObserver, error, complete);
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| 44 | }
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| 45 | }
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| 46 | toObservable() {
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| 47 | const kind = this.kind;
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| 48 | switch (kind) {
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| 49 | case 'N':
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| 50 | return of(this.value);
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| 51 | case 'E':
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| 52 | return throwError(this.error);
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| 53 | case 'C':
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| 54 | return empty();
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| 55 | }
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| 56 | throw new Error('unexpected notification kind value');
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| 57 | }
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| 58 | static createNext(value) {
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| 59 | if (typeof value !== 'undefined') {
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| 60 | return new Notification('N', value);
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| 61 | }
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| 62 | return Notification.undefinedValueNotification;
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| 63 | }
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| 64 | static createError(err) {
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| 65 | return new Notification('E', undefined, err);
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| 66 | }
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| 67 | static createComplete() {
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| 68 | return Notification.completeNotification;
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| 69 | }
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| 70 | }
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| 71 | Notification.completeNotification = new Notification('C');
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| 72 | Notification.undefinedValueNotification = new Notification('N', undefined);
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| 73 | //# sourceMappingURL=Notification.js.map |
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