71 lines
3.0 KiB
JavaScript
71 lines
3.0 KiB
JavaScript
import { __values } from "tslib";
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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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export function bufferCount(bufferSize, startBufferEvery) {
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if (startBufferEvery === void 0) { startBufferEvery = null; }
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startBufferEvery = startBufferEvery !== null && startBufferEvery !== void 0 ? startBufferEvery : bufferSize;
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return operate(function (source, subscriber) {
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var buffers = [];
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var count = 0;
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source.subscribe(createOperatorSubscriber(subscriber, function (value) {
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var e_1, _a, e_2, _b;
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var toEmit = null;
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if (count++ % startBufferEvery === 0) {
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buffers.push([]);
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}
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try {
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for (var buffers_1 = __values(buffers), buffers_1_1 = buffers_1.next(); !buffers_1_1.done; buffers_1_1 = buffers_1.next()) {
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var buffer = buffers_1_1.value;
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buffer.push(value);
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if (bufferSize <= buffer.length) {
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toEmit = toEmit !== null && toEmit !== void 0 ? toEmit : [];
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toEmit.push(buffer);
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}
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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 (buffers_1_1 && !buffers_1_1.done && (_a = buffers_1.return)) _a.call(buffers_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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if (toEmit) {
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try {
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for (var toEmit_1 = __values(toEmit), toEmit_1_1 = toEmit_1.next(); !toEmit_1_1.done; toEmit_1_1 = toEmit_1.next()) {
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var buffer = toEmit_1_1.value;
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arrRemove(buffers, buffer);
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subscriber.next(buffer);
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}
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}
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catch (e_2_1) { e_2 = { error: e_2_1 }; }
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finally {
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try {
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if (toEmit_1_1 && !toEmit_1_1.done && (_b = toEmit_1.return)) _b.call(toEmit_1);
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}
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finally { if (e_2) throw e_2.error; }
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}
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}
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}, function () {
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var e_3, _a;
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try {
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for (var buffers_2 = __values(buffers), buffers_2_1 = buffers_2.next(); !buffers_2_1.done; buffers_2_1 = buffers_2.next()) {
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var buffer = buffers_2_1.value;
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subscriber.next(buffer);
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}
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}
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catch (e_3_1) { e_3 = { error: e_3_1 }; }
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finally {
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try {
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if (buffers_2_1 && !buffers_2_1.done && (_a = buffers_2.return)) _a.call(buffers_2);
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}
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finally { if (e_3) throw e_3.error; }
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}
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subscriber.complete();
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}, undefined, function () {
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buffers = null;
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}));
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});
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}
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//# sourceMappingURL=bufferCount.js.map
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