tftsr-devops_investigation/node_modules/rxjs/dist/esm/internal/ReplaySubject.js

import { Subject } from './Subject';
import { dateTimestampProvider } from './scheduler/dateTimestampProvider';
export class ReplaySubject extends Subject {
    constructor(_bufferSize = Infinity, _windowTime = Infinity, _timestampProvider = dateTimestampProvider) {
        super();
        this._bufferSize = _bufferSize;
        this._windowTime = _windowTime;
        this._timestampProvider = _timestampProvider;
        this._buffer = [];
        this._infiniteTimeWindow = true;
        this._infiniteTimeWindow = _windowTime === Infinity;
        this._bufferSize = Math.max(1, _bufferSize);
        this._windowTime = Math.max(1, _windowTime);
    }
    next(value) {
        const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;
        if (!isStopped) {
            _buffer.push(value);
            !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);
        }
        this._trimBuffer();
        super.next(value);
    }
    _subscribe(subscriber) {
        this._throwIfClosed();
        this._trimBuffer();
        const subscription = this._innerSubscribe(subscriber);
        const { _infiniteTimeWindow, _buffer } = this;
        const copy = _buffer.slice();
        for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {
            subscriber.next(copy[i]);
        }
        this._checkFinalizedStatuses(subscriber);
        return subscription;
    }
    _trimBuffer() {
        const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;
        const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;
        _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);
        if (!_infiniteTimeWindow) {
            const now = _timestampProvider.now();
            let last = 0;
            for (let i = 1; i < _buffer.length && _buffer[i] <= now; i += 2) {
                last = i;
            }
            last && _buffer.splice(0, last + 1);
        }
    }
}
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