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{"ast":null,"code":"import { isFunction } from './util/isFunction';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\nexport class Subscriber extends Subscription {\n constructor(destination) {\n super();\n this.isStopped = false;\n\n if (destination) {\n this.destination = destination;\n\n if (isSubscription(destination)) {\n destination.add(this);\n }\n } else {\n this.destination = EMPTY_OBSERVER;\n }\n }\n\n static create(next, error, complete) {\n return new SafeSubscriber(next, error, complete);\n }\n\n next(value) {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n } else {\n this._next(value);\n }\n }\n\n error(err) {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n } else {\n this.isStopped = true;\n\n this._error(err);\n }\n }\n\n complete() {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n } else {\n this.isStopped = true;\n\n this._complete();\n }\n }\n\n unsubscribe() {\n if (!this.closed) {\n this.isStopped = true;\n super.unsubscribe();\n this.destination = null;\n }\n }\n\n _next(value) {\n this.destination.next(value);\n }\n\n _error(err) {\n try {\n this.destination.error(err);\n } finally {\n this.unsubscribe();\n }\n }\n\n _complete() {\n try {\n this.destination.complete();\n } finally {\n this.unsubscribe();\n }\n }\n\n}\nexport class SafeSubscriber extends Subscriber {\n constructor(observerOrNext, error, complete) {\n super();\n let next;\n\n if (isFunction(observerOrNext)) {\n next = observerOrNext;\n } else if (observerOrNext) {\n ({\n next,\n error,\n complete\n } = observerOrNext);\n let context;\n\n if (this && config.useDeprecatedNextContext) {\n context = Object.create(observerOrNext);\n\n context.unsubscribe = () => this.unsubscribe();\n } else {\n context = observerOrNext;\n }\n\n next = next === null || next === void 0 ? void 0 : next.bind(context);\n error = error === null || error === void 0 ? void 0 : error.bind(context);\n complete = complete === null || complete === void 0 ? void 0 : complete.bind(context);\n }\n\n this.destination = {\n next: next ? wrapForErrorHandling(next, this) : noop,\n error: wrapForErrorHandling(error !== null && error !== void 0 ? error : defaultErrorHandler, this),\n complete: complete ? wrapForErrorHandling(complete, this) : noop\n };\n }\n\n}\n\nfunction wrapForErrorHandling(handler, instance) {\n return (...args) => {\n try {\n handler(...args);\n } catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(err);\n } else {\n reportUnhandledError(err);\n }\n }\n };\n}\n\nfunction defaultErrorHandler(err) {\n throw err;\n}\n\nfunction handleStoppedNotification(notification, subscriber) {\n const {\n onStoppedNotification\n } = config;\n onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\nexport const EMPTY_OBSERVER = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop\n}; //# sourceMappingURL=Subscriber.js.map","map":null,"metadata":{},"sourceType":"module"} |