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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | 10x 10x 10x 126x 126x 126x 126x 288x 288x 288x 288x 111x 288x 288x 148x 142x 1x 1x 141x 147x 105x 105x | import {Subject, type Subscription, type Subscriber} from 'rxjs';
import {RpcError, RpcErrorCodes} from '@jsonjoy.com/rpc-error';
export class BufferSubject<T> extends Subject<T> {
private buffer: T[] = [];
private isBuffering = true;
constructor(public readonly bufferSize: number) {
super();
}
protected _subscribe(subscriber: Subscriber<T>): Subscription {
// @ts-expect-error
this._throwIfClosed();
// @ts-expect-error
const subscription = this._innerSubscribe(subscriber);
const {buffer} = this;
for (let i = 0; i < buffer.length && !subscriber.closed; i += 1) {
subscriber.next(buffer[i] as T);
}
// @ts-expect-error
this._checkFinalizedStatuses(subscriber);
return subscription;
}
public next(value: T): void {
if (this.isBuffering) {
if (this.buffer.length >= this.bufferSize) {
this.error(RpcError.fromErrno(RpcErrorCodes.OVERFLOW));
return;
}
this.buffer.push(value);
}
super.next(value);
}
public flush(): void {
this.isBuffering = false;
this.buffer = [];
}
}
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