37 lines
1.4 KiB
JavaScript
37 lines
1.4 KiB
JavaScript
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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 = null) {
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startBufferEvery = startBufferEvery !== null && startBufferEvery !== void 0 ? startBufferEvery : bufferSize;
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return operate((source, subscriber) => {
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let buffers = [];
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let count = 0;
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source.subscribe(createOperatorSubscriber(subscriber, (value) => {
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let toEmit = null;
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if (count++ % startBufferEvery === 0) {
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buffers.push([]);
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}
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for (const buffer of buffers) {
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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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if (toEmit) {
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for (const buffer of toEmit) {
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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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}, () => {
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for (const buffer of buffers) {
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subscriber.next(buffer);
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}
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subscriber.complete();
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}, undefined, () => {
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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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