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node_modules/rxjs/_esm5/internal/Observable.js

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+/** PURE_IMPORTS_START _util_canReportError,_util_toSubscriber,_symbol_observable,_util_pipe,_config PURE_IMPORTS_END */
+import { canReportError } from './util/canReportError';
+import { toSubscriber } from './util/toSubscriber';
+import { observable as Symbol_observable } from './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) {
+            sink.add(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