53 lines
2.0 KiB
JavaScript
53 lines
2.0 KiB
JavaScript
|
import { __values } from "tslib";
|
||
|
|
import { Subject } from '../Subject';
|
||
|
|
import { operate } from '../util/lift';
|
||
|
|
import { createOperatorSubscriber } from './OperatorSubscriber';
|
||
|
|
export function windowCount(windowSize, startWindowEvery) {
|
||
|
|
if (startWindowEvery === void 0) { startWindowEvery = 0; }
|
||
|
|
var startEvery = startWindowEvery > 0 ? startWindowEvery : windowSize;
|
||
|
|
return operate(function (source, subscriber) {
|
||
|
|
var windows = [new Subject()];
|
||
|
|
var starts = [];
|
||
|
|
var count = 0;
|
||
|
|
subscriber.next(windows[0].asObservable());
|
||
|
|
source.subscribe(createOperatorSubscriber(subscriber, function (value) {
|
||
|
|
var e_1, _a;
|
||
|
|
try {
|
||
|
|
for (var windows_1 = __values(windows), windows_1_1 = windows_1.next(); !windows_1_1.done; windows_1_1 = windows_1.next()) {
|
||
|
|
var window_1 = windows_1_1.value;
|
||
|
|
window_1.next(value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (e_1_1) { e_1 = { error: e_1_1 }; }
|
||
|
|
finally {
|
||
|
|
try {
|
||
|
|
if (windows_1_1 && !windows_1_1.done && (_a = windows_1.return)) _a.call(windows_1);
|
||
|
|
}
|
||
|
|
finally { if (e_1) throw e_1.error; }
|
||
|
|
}
|
||
|
|
var c = count - windowSize + 1;
|
||
|
|
if (c >= 0 && c % startEvery === 0) {
|
||
|
|
windows.shift().complete();
|
||
|
|
}
|
||
|
|
if (++count % startEvery === 0) {
|
||
|
|
var window_2 = new Subject();
|
||
|
|
windows.push(window_2);
|
||
|
|
subscriber.next(window_2.asObservable());
|
||
|
|
}
|
||
|
|
}, function () {
|
||
|
|
while (windows.length > 0) {
|
||
|
|
windows.shift().complete();
|
||
|
|
}
|
||
|
|
subscriber.complete();
|
||
|
|
}, function (err) {
|
||
|
|
while (windows.length > 0) {
|
||
|
|
windows.shift().error(err);
|
||
|
|
}
|
||
|
|
subscriber.error(err);
|
||
|
|
}, function () {
|
||
|
|
starts = null;
|
||
|
|
windows = null;
|
||
|
|
}));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=windowCount.js.map
|