174 lines
No EOL
5 KiB
JavaScript
Executable file
174 lines
No EOL
5 KiB
JavaScript
Executable file
import { isFunction } from './util/isFunction';
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import { isSubscription, Subscription } from './Subscription';
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import { config } from './config';
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import { reportUnhandledError } from './util/reportUnhandledError';
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import { noop } from './util/noop';
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import { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';
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import { timeoutProvider } from './scheduler/timeoutProvider';
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import { captureError } from './util/errorContext';
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export class Subscriber extends Subscription {
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constructor(destination) {
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super();
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this.isStopped = false;
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if (destination) {
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this.destination = destination;
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if (isSubscription(destination)) {
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destination.add(this);
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}
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}
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else {
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this.destination = EMPTY_OBSERVER;
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}
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}
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static create(next, error, complete) {
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return new SafeSubscriber(next, error, complete);
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}
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next(value) {
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if (this.isStopped) {
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handleStoppedNotification(nextNotification(value), this);
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}
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else {
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this._next(value);
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}
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}
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error(err) {
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if (this.isStopped) {
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handleStoppedNotification(errorNotification(err), this);
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}
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else {
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this.isStopped = true;
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this._error(err);
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}
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}
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complete() {
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if (this.isStopped) {
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handleStoppedNotification(COMPLETE_NOTIFICATION, this);
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}
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else {
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this.isStopped = true;
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this._complete();
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}
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}
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unsubscribe() {
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if (!this.closed) {
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this.isStopped = true;
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super.unsubscribe();
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this.destination = null;
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}
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}
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_next(value) {
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this.destination.next(value);
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}
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_error(err) {
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try {
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this.destination.error(err);
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}
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finally {
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this.unsubscribe();
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}
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}
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_complete() {
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try {
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this.destination.complete();
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}
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finally {
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this.unsubscribe();
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}
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}
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}
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const _bind = Function.prototype.bind;
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function bind(fn, thisArg) {
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return _bind.call(fn, thisArg);
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}
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class ConsumerObserver {
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constructor(partialObserver) {
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this.partialObserver = partialObserver;
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}
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next(value) {
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const { partialObserver } = this;
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if (partialObserver.next) {
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try {
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partialObserver.next(value);
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}
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catch (error) {
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handleUnhandledError(error);
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}
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}
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}
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error(err) {
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const { partialObserver } = this;
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if (partialObserver.error) {
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try {
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partialObserver.error(err);
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}
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catch (error) {
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handleUnhandledError(error);
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}
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}
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else {
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handleUnhandledError(err);
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}
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}
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complete() {
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const { partialObserver } = this;
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if (partialObserver.complete) {
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try {
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partialObserver.complete();
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}
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catch (error) {
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handleUnhandledError(error);
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}
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}
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}
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}
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export class SafeSubscriber extends Subscriber {
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constructor(observerOrNext, error, complete) {
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super();
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let partialObserver;
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if (isFunction(observerOrNext) || !observerOrNext) {
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partialObserver = {
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next: (observerOrNext !== null && observerOrNext !== void 0 ? observerOrNext : undefined),
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error: error !== null && error !== void 0 ? error : undefined,
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complete: complete !== null && complete !== void 0 ? complete : undefined,
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};
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}
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else {
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let context;
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if (this && config.useDeprecatedNextContext) {
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context = Object.create(observerOrNext);
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context.unsubscribe = () => this.unsubscribe();
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partialObserver = {
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next: observerOrNext.next && bind(observerOrNext.next, context),
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error: observerOrNext.error && bind(observerOrNext.error, context),
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complete: observerOrNext.complete && bind(observerOrNext.complete, context),
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};
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}
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else {
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partialObserver = observerOrNext;
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}
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}
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this.destination = new ConsumerObserver(partialObserver);
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}
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}
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function handleUnhandledError(error) {
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if (config.useDeprecatedSynchronousErrorHandling) {
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captureError(error);
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}
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else {
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reportUnhandledError(error);
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}
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}
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function defaultErrorHandler(err) {
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throw err;
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}
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function handleStoppedNotification(notification, subscriber) {
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const { onStoppedNotification } = config;
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onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));
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}
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export const EMPTY_OBSERVER = {
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closed: true,
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next: noop,
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error: defaultErrorHandler,
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complete: noop,
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};
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//# sourceMappingURL=Subscriber.js.map
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