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