70 lines
2.9 KiB
JavaScript
70 lines
2.9 KiB
JavaScript
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import { Subject } from '../Subject';
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import { asyncScheduler } from '../scheduler/async';
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import { Subscription } from '../Subscription';
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import { operate } from '../util/lift';
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import { createOperatorSubscriber } from './OperatorSubscriber';
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import { arrRemove } from '../util/arrRemove';
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import { popScheduler } from '../util/args';
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import { executeSchedule } from '../util/executeSchedule';
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export function windowTime(windowTimeSpan) {
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var _a, _b;
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var otherArgs = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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otherArgs[_i - 1] = arguments[_i];
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}
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var scheduler = (_a = popScheduler(otherArgs)) !== null && _a !== void 0 ? _a : asyncScheduler;
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var windowCreationInterval = (_b = otherArgs[0]) !== null && _b !== void 0 ? _b : null;
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var maxWindowSize = otherArgs[1] || Infinity;
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return operate(function (source, subscriber) {
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var windowRecords = [];
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var restartOnClose = false;
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var closeWindow = function (record) {
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var window = record.window, subs = record.subs;
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window.complete();
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subs.unsubscribe();
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arrRemove(windowRecords, record);
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restartOnClose && startWindow();
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};
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var startWindow = function () {
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if (windowRecords) {
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var subs = new Subscription();
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subscriber.add(subs);
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var window_1 = new Subject();
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var record_1 = {
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window: window_1,
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subs: subs,
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seen: 0,
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};
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windowRecords.push(record_1);
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subscriber.next(window_1.asObservable());
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executeSchedule(subs, scheduler, function () { return closeWindow(record_1); }, windowTimeSpan);
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}
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};
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if (windowCreationInterval !== null && windowCreationInterval >= 0) {
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executeSchedule(subscriber, scheduler, startWindow, windowCreationInterval, true);
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}
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else {
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restartOnClose = true;
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}
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startWindow();
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var loop = function (cb) { return windowRecords.slice().forEach(cb); };
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var terminate = function (cb) {
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loop(function (_a) {
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var window = _a.window;
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return cb(window);
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});
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cb(subscriber);
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subscriber.unsubscribe();
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};
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source.subscribe(createOperatorSubscriber(subscriber, function (value) {
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loop(function (record) {
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record.window.next(value);
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maxWindowSize <= ++record.seen && closeWindow(record);
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});
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}, function () { return terminate(function (consumer) { return consumer.complete(); }); }, function (err) { return terminate(function (consumer) { return consumer.error(err); }); }));
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return function () {
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windowRecords = null;
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};
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});
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}
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//# sourceMappingURL=windowTime.js.map
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