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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.Observable = void 0;
- var Subscriber_1 = require("./Subscriber");
- var Subscription_1 = require("./Subscription");
- var observable_1 = require("./symbol/observable");
- var pipe_1 = require("./util/pipe");
- var config_1 = require("./config");
- var isFunction_1 = require("./util/isFunction");
- var errorContext_1 = require("./util/errorContext");
- var Observable = (function () {
- function Observable(subscribe) {
- 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 _this = this;
- var subscriber = isSubscriber(observerOrNext) ? observerOrNext : new Subscriber_1.SafeSubscriber(observerOrNext, error, complete);
- errorContext_1.errorContext(function () {
- var _a = _this, operator = _a.operator, source = _a.source;
- subscriber.add(operator
- ?
- operator.call(subscriber, source)
- : source
- ?
- _this._subscribe(subscriber)
- :
- _this._trySubscribe(subscriber));
- });
- return subscriber;
- };
- Observable.prototype._trySubscribe = function (sink) {
- try {
- return this._subscribe(sink);
- }
- catch (err) {
- sink.error(err);
- }
- };
- Observable.prototype.forEach = function (next, promiseCtor) {
- var _this = this;
- promiseCtor = getPromiseCtor(promiseCtor);
- return new promiseCtor(function (resolve, reject) {
- var subscriber = new Subscriber_1.SafeSubscriber({
- next: function (value) {
- try {
- next(value);
- }
- catch (err) {
- reject(err);
- subscriber.unsubscribe();
- }
- },
- error: reject,
- complete: resolve,
- });
- _this.subscribe(subscriber);
- });
- };
- Observable.prototype._subscribe = function (subscriber) {
- var _a;
- return (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber);
- };
- Observable.prototype[observable_1.observable] = function () {
- return this;
- };
- Observable.prototype.pipe = function () {
- var operations = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- operations[_i] = arguments[_i];
- }
- return pipe_1.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;
- }());
- exports.Observable = Observable;
- function getPromiseCtor(promiseCtor) {
- var _a;
- return (_a = promiseCtor !== null && promiseCtor !== void 0 ? promiseCtor : config_1.config.Promise) !== null && _a !== void 0 ? _a : Promise;
- }
- function isObserver(value) {
- return value && isFunction_1.isFunction(value.next) && isFunction_1.isFunction(value.error) && isFunction_1.isFunction(value.complete);
- }
- function isSubscriber(value) {
- return (value && value instanceof Subscriber_1.Subscriber) || (isObserver(value) && Subscription_1.isSubscription(value));
- }
- //# sourceMappingURL=Observable.js.map
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