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-rw-r--r--node_modules/rxjs/dist/esm/internal/Observable.js93
1 files changed, 93 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm/internal/Observable.js b/node_modules/rxjs/dist/esm/internal/Observable.js
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+++ b/node_modules/rxjs/dist/esm/internal/Observable.js
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+import { SafeSubscriber, Subscriber } from './Subscriber';
+import { isSubscription } from './Subscription';
+import { observable as Symbol_observable } from './symbol/observable';
+import { pipeFromArray } from './util/pipe';
+import { config } from './config';
+import { isFunction } from './util/isFunction';
+import { errorContext } from './util/errorContext';
+export class Observable {
+ constructor(subscribe) {
+ if (subscribe) {
+ this._subscribe = subscribe;
+ }
+ }
+ lift(operator) {
+ const observable = new Observable();
+ observable.source = this;
+ observable.operator = operator;
+ return observable;
+ }
+ subscribe(observerOrNext, error, complete) {
+ const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);
+ errorContext(() => {
+ const { operator, source } = this;
+ subscriber.add(operator
+ ?
+ operator.call(subscriber, source)
+ : source
+ ?
+ this._subscribe(subscriber)
+ :
+ this._trySubscribe(subscriber));
+ });
+ return subscriber;
+ }
+ _trySubscribe(sink) {
+ try {
+ return this._subscribe(sink);
+ }
+ catch (err) {
+ sink.error(err);
+ }
+ }
+ forEach(next, promiseCtor) {
+ promiseCtor = getPromiseCtor(promiseCtor);
+ return new promiseCtor((resolve, reject) => {
+ const subscriber = new SafeSubscriber({
+ next: (value) => {
+ try {
+ next(value);
+ }
+ catch (err) {
+ reject(err);
+ subscriber.unsubscribe();
+ }
+ },
+ error: reject,
+ complete: resolve,
+ });
+ this.subscribe(subscriber);
+ });
+ }
+ _subscribe(subscriber) {
+ var _a;
+ return (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber);
+ }
+ [Symbol_observable]() {
+ return this;
+ }
+ pipe(...operations) {
+ return pipeFromArray(operations)(this);
+ }
+ toPromise(promiseCtor) {
+ promiseCtor = getPromiseCtor(promiseCtor);
+ return new promiseCtor((resolve, reject) => {
+ let value;
+ this.subscribe((x) => (value = x), (err) => reject(err), () => resolve(value));
+ });
+ }
+}
+Observable.create = (subscribe) => {
+ return new Observable(subscribe);
+};
+function getPromiseCtor(promiseCtor) {
+ var _a;
+ return (_a = promiseCtor !== null && promiseCtor !== void 0 ? promiseCtor : config.Promise) !== null && _a !== void 0 ? _a : Promise;
+}
+function isObserver(value) {
+ return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);
+}
+function isSubscriber(value) {
+ return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));
+}
+//# sourceMappingURL=Observable.js.map \ No newline at end of file
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