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/** PURE_IMPORTS_START _util_canReportError,_util_toSubscriber,_internal_symbol_observable,_util_pipe,_config PURE_IMPORTS_END */
import { canReportError } from './util/canReportError';
import { toSubscriber } from './util/toSubscriber';
import { observable as Symbol_observable } from '../internal/symbol/observable';
import { pipeFromArray } from './util/pipe';
import { config } from './config';
var Observable = /*@__PURE__*/ (function () {
function Observable(subscribe) {
this._isScalar = false;
if (subscribe) {
this._subscribe = subscribe;
}
}
Observable.prototype.lift = function (operator) {
var observable = new Observable();
observable.source = this;
observable.operator = operator;
return observable;
};
Observable.prototype.subscribe = function (observerOrNext, error, complete) {
var operator = this.operator;
var sink = toSubscriber(observerOrNext, error, complete);
if (operator) {
operator.call(sink, this.source);
}
else {
sink.add(this.source || (config.useDeprecatedSynchronousErrorHandling && !sink.syncErrorThrowable) ?
this._subscribe(sink) :
this._trySubscribe(sink));
}
if (config.useDeprecatedSynchronousErrorHandling) {
if (sink.syncErrorThrowable) {
sink.syncErrorThrowable = false;
if (sink.syncErrorThrown) {
throw sink.syncErrorValue;
}
}
}
return sink;
};
Observable.prototype._trySubscribe = function (sink) {
try {
return this._subscribe(sink);
}
catch (err) {
if (config.useDeprecatedSynchronousErrorHandling) {
sink.syncErrorThrown = true;
sink.syncErrorValue = err;
}
if (canReportError(sink)) {
sink.error(err);
}
else {
console.warn(err);
}
}
};
Observable.prototype.forEach = function (next, promiseCtor) {
var _this = this;
promiseCtor = getPromiseCtor(promiseCtor);
return new promiseCtor(function (resolve, reject) {
var subscription;
subscription = _this.subscribe(function (value) {
try {
next(value);
}
catch (err) {
reject(err);
if (subscription) {
subscription.unsubscribe();
}
}
}, reject, resolve);
});
};
Observable.prototype._subscribe = function (subscriber) {
var source = this.source;
return source && source.subscribe(subscriber);
};
Observable.prototype[Symbol_observable] = function () {
return this;
};
Observable.prototype.pipe = function () {
var operations = [];
for (var _i = 0; _i < arguments.length; _i++) {
operations[_i] = arguments[_i];
}
if (operations.length === 0) {
return this;
}
return pipeFromArray(operations)(this);
};
Observable.prototype.toPromise = function (promiseCtor) {
var _this = this;
promiseCtor = getPromiseCtor(promiseCtor);
return new promiseCtor(function (resolve, reject) {
var value;
_this.subscribe(function (x) { return value = x; }, function (err) { return reject(err); }, function () { return resolve(value); });
});
};
Observable.create = function (subscribe) {
return new Observable(subscribe);
};
return Observable;
}());
export { Observable };
function getPromiseCtor(promiseCtor) {
if (!promiseCtor) {
promiseCtor = config.Promise || Promise;
}
if (!promiseCtor) {
throw new Error('no Promise impl found');
}
return promiseCtor;
}
//# sourceMappingURL=Observable.js.map
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