hugoWebsite/node_modules/rxjs/dist/cjs/internal/Observable.js

105 lines
3.9 KiB
JavaScript
Raw Normal View History

2022-10-29 00:20:35 +02:00
"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