rxjs
Version:
Reactive Extensions for modern JavaScript
27 lines • 1.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.bufferWhen = void 0;
var lift_1 = require("../util/lift");
var noop_1 = require("../util/noop");
var OperatorSubscriber_1 = require("./OperatorSubscriber");
var innerFrom_1 = require("../observable/innerFrom");
function bufferWhen(closingSelector) {
return lift_1.operate(function (source, subscriber) {
var buffer = null;
var closingSubscriber = null;
var openBuffer = function () {
closingSubscriber === null || closingSubscriber === void 0 ? void 0 : closingSubscriber.unsubscribe();
var b = buffer;
buffer = [];
b && subscriber.next(b);
innerFrom_1.innerFrom(closingSelector()).subscribe((closingSubscriber = new OperatorSubscriber_1.OperatorSubscriber(subscriber, openBuffer, noop_1.noop)));
};
openBuffer();
source.subscribe(new OperatorSubscriber_1.OperatorSubscriber(subscriber, function (value) { return buffer === null || buffer === void 0 ? void 0 : buffer.push(value); }, function () {
buffer && subscriber.next(buffer);
subscriber.complete();
}, undefined, function () { return (buffer = closingSubscriber = null); }));
});
}
exports.bufferWhen = bufferWhen;
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