wishthis/node_modules/rxjs/_esm5/internal/Subscriber.js
2022-01-21 09:28:41 +01:00

233 lines
8.4 KiB
JavaScript

/** PURE_IMPORTS_START tslib,_util_isFunction,_Observer,_Subscription,_internal_symbol_rxSubscriber,_config,_util_hostReportError PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { isFunction } from './util/isFunction';
import { empty as emptyObserver } from './Observer';
import { Subscription } from './Subscription';
import { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';
import { config } from './config';
import { hostReportError } from './util/hostReportError';
var Subscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(Subscriber, _super);
function Subscriber(destinationOrNext, error, complete) {
var _this = _super.call(this) || this;
_this.syncErrorValue = null;
_this.syncErrorThrown = false;
_this.syncErrorThrowable = false;
_this.isStopped = false;
switch (arguments.length) {
case 0:
_this.destination = emptyObserver;
break;
case 1:
if (!destinationOrNext) {
_this.destination = emptyObserver;
break;
}
if (typeof destinationOrNext === 'object') {
if (destinationOrNext instanceof Subscriber) {
_this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;
_this.destination = destinationOrNext;
destinationOrNext.add(_this);
}
else {
_this.syncErrorThrowable = true;
_this.destination = new SafeSubscriber(_this, destinationOrNext);
}
break;
}
default:
_this.syncErrorThrowable = true;
_this.destination = new SafeSubscriber(_this, destinationOrNext, error, complete);
break;
}
return _this;
}
Subscriber.prototype[rxSubscriberSymbol] = function () { return this; };
Subscriber.create = function (next, error, complete) {
var subscriber = new Subscriber(next, error, complete);
subscriber.syncErrorThrowable = false;
return subscriber;
};
Subscriber.prototype.next = function (value) {
if (!this.isStopped) {
this._next(value);
}
};
Subscriber.prototype.error = function (err) {
if (!this.isStopped) {
this.isStopped = true;
this._error(err);
}
};
Subscriber.prototype.complete = function () {
if (!this.isStopped) {
this.isStopped = true;
this._complete();
}
};
Subscriber.prototype.unsubscribe = function () {
if (this.closed) {
return;
}
this.isStopped = true;
_super.prototype.unsubscribe.call(this);
};
Subscriber.prototype._next = function (value) {
this.destination.next(value);
};
Subscriber.prototype._error = function (err) {
this.destination.error(err);
this.unsubscribe();
};
Subscriber.prototype._complete = function () {
this.destination.complete();
this.unsubscribe();
};
Subscriber.prototype._unsubscribeAndRecycle = function () {
var _parentOrParents = this._parentOrParents;
this._parentOrParents = null;
this.unsubscribe();
this.closed = false;
this.isStopped = false;
this._parentOrParents = _parentOrParents;
return this;
};
return Subscriber;
}(Subscription));
export { Subscriber };
var SafeSubscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(SafeSubscriber, _super);
function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) {
var _this = _super.call(this) || this;
_this._parentSubscriber = _parentSubscriber;
var next;
var context = _this;
if (isFunction(observerOrNext)) {
next = observerOrNext;
}
else if (observerOrNext) {
next = observerOrNext.next;
error = observerOrNext.error;
complete = observerOrNext.complete;
if (observerOrNext !== emptyObserver) {
context = Object.create(observerOrNext);
if (isFunction(context.unsubscribe)) {
_this.add(context.unsubscribe.bind(context));
}
context.unsubscribe = _this.unsubscribe.bind(_this);
}
}
_this._context = context;
_this._next = next;
_this._error = error;
_this._complete = complete;
return _this;
}
SafeSubscriber.prototype.next = function (value) {
if (!this.isStopped && this._next) {
var _parentSubscriber = this._parentSubscriber;
if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {
this.__tryOrUnsub(this._next, value);
}
else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {
this.unsubscribe();
}
}
};
SafeSubscriber.prototype.error = function (err) {
if (!this.isStopped) {
var _parentSubscriber = this._parentSubscriber;
var useDeprecatedSynchronousErrorHandling = config.useDeprecatedSynchronousErrorHandling;
if (this._error) {
if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {
this.__tryOrUnsub(this._error, err);
this.unsubscribe();
}
else {
this.__tryOrSetError(_parentSubscriber, this._error, err);
this.unsubscribe();
}
}
else if (!_parentSubscriber.syncErrorThrowable) {
this.unsubscribe();
if (useDeprecatedSynchronousErrorHandling) {
throw err;
}
hostReportError(err);
}
else {
if (useDeprecatedSynchronousErrorHandling) {
_parentSubscriber.syncErrorValue = err;
_parentSubscriber.syncErrorThrown = true;
}
else {
hostReportError(err);
}
this.unsubscribe();
}
}
};
SafeSubscriber.prototype.complete = function () {
var _this = this;
if (!this.isStopped) {
var _parentSubscriber = this._parentSubscriber;
if (this._complete) {
var wrappedComplete = function () { return _this._complete.call(_this._context); };
if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {
this.__tryOrUnsub(wrappedComplete);
this.unsubscribe();
}
else {
this.__tryOrSetError(_parentSubscriber, wrappedComplete);
this.unsubscribe();
}
}
else {
this.unsubscribe();
}
}
};
SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) {
try {
fn.call(this._context, value);
}
catch (err) {
this.unsubscribe();
if (config.useDeprecatedSynchronousErrorHandling) {
throw err;
}
else {
hostReportError(err);
}
}
};
SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) {
if (!config.useDeprecatedSynchronousErrorHandling) {
throw new Error('bad call');
}
try {
fn.call(this._context, value);
}
catch (err) {
if (config.useDeprecatedSynchronousErrorHandling) {
parent.syncErrorValue = err;
parent.syncErrorThrown = true;
return true;
}
else {
hostReportError(err);
return true;
}
}
return false;
};
SafeSubscriber.prototype._unsubscribe = function () {
var _parentSubscriber = this._parentSubscriber;
this._context = null;
this._parentSubscriber = null;
_parentSubscriber.unsubscribe();
};
return SafeSubscriber;
}(Subscriber));
export { SafeSubscriber };
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