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Diffstat (limited to 'tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/sampleTime.ts')
-rw-r--r-- | tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/sampleTime.ts | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/sampleTime.ts b/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/sampleTime.ts deleted file mode 100644 index 632b29ed11..0000000000 --- a/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/sampleTime.ts +++ /dev/null @@ -1,96 +0,0 @@ -import { Observable } from '../Observable'; -import { Operator } from '../Operator'; -import { Subscriber } from '../Subscriber'; -import { async } from '../scheduler/async'; -import { MonoTypeOperatorFunction, SchedulerAction, SchedulerLike, TeardownLogic } from '../types'; - -/** - * Emits the most recently emitted value from the source Observable within - * periodic time intervals. - * - * <span class="informal">Samples the source Observable at periodic time - * intervals, emitting what it samples.</span> - * - * ![](sampleTime.png) - * - * `sampleTime` periodically looks at the source Observable and emits whichever - * value it has most recently emitted since the previous sampling, unless the - * source has not emitted anything since the previous sampling. The sampling - * happens periodically in time every `period` milliseconds (or the time unit - * defined by the optional `scheduler` argument). The sampling starts as soon as - * the output Observable is subscribed. - * - * ## Example - * Every second, emit the most recent click at most once - * ```javascript - * import { fromEvent } from 'rxjs'; - * import { sampleTime } from 'rxjs/operators'; - * - * const clicks = fromEvent(document, 'click'); - * const result = clicks.pipe(sampleTime(1000)); - * result.subscribe(x => console.log(x)); - * ``` - * - * @see {@link auditTime} - * @see {@link debounceTime} - * @see {@link delay} - * @see {@link sample} - * @see {@link throttleTime} - * - * @param {number} period The sampling period expressed in milliseconds or the - * time unit determined internally by the optional `scheduler`. - * @param {SchedulerLike} [scheduler=async] The {@link SchedulerLike} to use for - * managing the timers that handle the sampling. - * @return {Observable<T>} An Observable that emits the results of sampling the - * values emitted by the source Observable at the specified time interval. - * @method sampleTime - * @owner Observable - */ -export function sampleTime<T>(period: number, scheduler: SchedulerLike = async): MonoTypeOperatorFunction<T> { - return (source: Observable<T>) => source.lift(new SampleTimeOperator(period, scheduler)); -} - -class SampleTimeOperator<T> implements Operator<T, T> { - constructor(private period: number, - private scheduler: SchedulerLike) { - } - - call(subscriber: Subscriber<T>, source: any): TeardownLogic { - return source.subscribe(new SampleTimeSubscriber(subscriber, this.period, this.scheduler)); - } -} - -/** - * We need this JSDoc comment for affecting ESDoc. - * @ignore - * @extends {Ignored} - */ -class SampleTimeSubscriber<T> extends Subscriber<T> { - lastValue: T; - hasValue: boolean = false; - - constructor(destination: Subscriber<T>, - private period: number, - private scheduler: SchedulerLike) { - super(destination); - this.add(scheduler.schedule(dispatchNotification, period, { subscriber: this, period })); - } - - protected _next(value: T) { - this.lastValue = value; - this.hasValue = true; - } - - notifyNext() { - if (this.hasValue) { - this.hasValue = false; - this.destination.next(this.lastValue); - } - } -} - -function dispatchNotification<T>(this: SchedulerAction<any>, state: any) { - let { subscriber, period } = state; - subscriber.notifyNext(); - this.schedule(state, period); -} |