wishthis/node_modules/rxjs/_esm5/internal/operators/bufferToggle.js
2022-01-21 09:28:41 +01:00

106 lines
4.2 KiB
JavaScript

/** PURE_IMPORTS_START tslib,_Subscription,_util_subscribeToResult,_OuterSubscriber PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { Subscription } from '../Subscription';
import { subscribeToResult } from '../util/subscribeToResult';
import { OuterSubscriber } from '../OuterSubscriber';
export function bufferToggle(openings, closingSelector) {
return function bufferToggleOperatorFunction(source) {
return source.lift(new BufferToggleOperator(openings, closingSelector));
};
}
var BufferToggleOperator = /*@__PURE__*/ (function () {
function BufferToggleOperator(openings, closingSelector) {
this.openings = openings;
this.closingSelector = closingSelector;
}
BufferToggleOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new BufferToggleSubscriber(subscriber, this.openings, this.closingSelector));
};
return BufferToggleOperator;
}());
var BufferToggleSubscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(BufferToggleSubscriber, _super);
function BufferToggleSubscriber(destination, openings, closingSelector) {
var _this = _super.call(this, destination) || this;
_this.closingSelector = closingSelector;
_this.contexts = [];
_this.add(subscribeToResult(_this, openings));
return _this;
}
BufferToggleSubscriber.prototype._next = function (value) {
var contexts = this.contexts;
var len = contexts.length;
for (var i = 0; i < len; i++) {
contexts[i].buffer.push(value);
}
};
BufferToggleSubscriber.prototype._error = function (err) {
var contexts = this.contexts;
while (contexts.length > 0) {
var context_1 = contexts.shift();
context_1.subscription.unsubscribe();
context_1.buffer = null;
context_1.subscription = null;
}
this.contexts = null;
_super.prototype._error.call(this, err);
};
BufferToggleSubscriber.prototype._complete = function () {
var contexts = this.contexts;
while (contexts.length > 0) {
var context_2 = contexts.shift();
this.destination.next(context_2.buffer);
context_2.subscription.unsubscribe();
context_2.buffer = null;
context_2.subscription = null;
}
this.contexts = null;
_super.prototype._complete.call(this);
};
BufferToggleSubscriber.prototype.notifyNext = function (outerValue, innerValue) {
outerValue ? this.closeBuffer(outerValue) : this.openBuffer(innerValue);
};
BufferToggleSubscriber.prototype.notifyComplete = function (innerSub) {
this.closeBuffer(innerSub.context);
};
BufferToggleSubscriber.prototype.openBuffer = function (value) {
try {
var closingSelector = this.closingSelector;
var closingNotifier = closingSelector.call(this, value);
if (closingNotifier) {
this.trySubscribe(closingNotifier);
}
}
catch (err) {
this._error(err);
}
};
BufferToggleSubscriber.prototype.closeBuffer = function (context) {
var contexts = this.contexts;
if (contexts && context) {
var buffer = context.buffer, subscription = context.subscription;
this.destination.next(buffer);
contexts.splice(contexts.indexOf(context), 1);
this.remove(subscription);
subscription.unsubscribe();
}
};
BufferToggleSubscriber.prototype.trySubscribe = function (closingNotifier) {
var contexts = this.contexts;
var buffer = [];
var subscription = new Subscription();
var context = { buffer: buffer, subscription: subscription };
contexts.push(context);
var innerSubscription = subscribeToResult(this, closingNotifier, context);
if (!innerSubscription || innerSubscription.closed) {
this.closeBuffer(context);
}
else {
innerSubscription.context = context;
this.add(innerSubscription);
subscription.add(innerSubscription);
}
};
return BufferToggleSubscriber;
}(OuterSubscriber));
//# sourceMappingURL=bufferToggle.js.map