77 lines
3.4 KiB
JavaScript
77 lines
3.4 KiB
JavaScript
import { __values } from "tslib";
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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 { asyncScheduler } from '../scheduler/async';
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import { popScheduler } from '../util/args';
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import { executeSchedule } from '../util/executeSchedule';
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export function bufferTime(bufferTimeSpan) {
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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 bufferCreationInterval = (_b = otherArgs[0]) !== null && _b !== void 0 ? _b : null;
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var maxBufferSize = otherArgs[1] || Infinity;
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return operate(function (source, subscriber) {
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var bufferRecords = [];
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var restartOnEmit = false;
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var emit = function (record) {
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var buffer = record.buffer, subs = record.subs;
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subs.unsubscribe();
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arrRemove(bufferRecords, record);
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subscriber.next(buffer);
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restartOnEmit && startBuffer();
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};
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var startBuffer = function () {
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if (bufferRecords) {
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var subs = new Subscription();
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subscriber.add(subs);
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var buffer = [];
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var record_1 = {
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buffer: buffer,
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subs: subs,
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};
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bufferRecords.push(record_1);
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executeSchedule(subs, scheduler, function () { return emit(record_1); }, bufferTimeSpan);
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}
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};
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if (bufferCreationInterval !== null && bufferCreationInterval >= 0) {
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executeSchedule(subscriber, scheduler, startBuffer, bufferCreationInterval, true);
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}
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else {
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restartOnEmit = true;
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}
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startBuffer();
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var bufferTimeSubscriber = createOperatorSubscriber(subscriber, function (value) {
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var e_1, _a;
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var recordsCopy = bufferRecords.slice();
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try {
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for (var recordsCopy_1 = __values(recordsCopy), recordsCopy_1_1 = recordsCopy_1.next(); !recordsCopy_1_1.done; recordsCopy_1_1 = recordsCopy_1.next()) {
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var record = recordsCopy_1_1.value;
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var buffer = record.buffer;
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buffer.push(value);
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maxBufferSize <= buffer.length && emit(record);
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (recordsCopy_1_1 && !recordsCopy_1_1.done && (_a = recordsCopy_1.return)) _a.call(recordsCopy_1);
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}
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finally { if (e_1) throw e_1.error; }
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}
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}, function () {
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while (bufferRecords === null || bufferRecords === void 0 ? void 0 : bufferRecords.length) {
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subscriber.next(bufferRecords.shift().buffer);
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}
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bufferTimeSubscriber === null || bufferTimeSubscriber === void 0 ? void 0 : bufferTimeSubscriber.unsubscribe();
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subscriber.complete();
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subscriber.unsubscribe();
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}, undefined, function () { return (bufferRecords = null); });
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source.subscribe(bufferTimeSubscriber);
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});
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}
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//# sourceMappingURL=bufferTime.js.map
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