initial commit: scaffolding

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diff --git a/node_modules/rxjs/src/internal/operators/delay.ts b/node_modules/rxjs/src/internal/operators/delay.ts
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+import { asyncScheduler } from '../scheduler/async';
+import { MonoTypeOperatorFunction, SchedulerLike } from '../types';
+import { delayWhen } from './delayWhen';
+import { timer } from '../observable/timer';
+
+/**
+ * Delays the emission of items from the source Observable by a given timeout or
+ * until a given Date.
+ *
+ * <span class="informal">Time shifts each item by some specified amount of
+ * milliseconds.</span>
+ *
+ * ![](delay.svg)
+ *
+ * If the delay argument is a Number, this operator time shifts the source
+ * Observable by that amount of time expressed in milliseconds. The relative
+ * time intervals between the values are preserved.
+ *
+ * If the delay argument is a Date, this operator time shifts the start of the
+ * Observable execution until the given date occurs.
+ *
+ * ## Examples
+ *
+ * Delay each click by one second
+ *
+ * ```ts
+ * import { fromEvent, delay } from 'rxjs';
+ *
+ * const clicks = fromEvent(document, 'click');
+ * const delayedClicks = clicks.pipe(delay(1000)); // each click emitted after 1 second
+ * delayedClicks.subscribe(x => console.log(x));
+ * ```
+ *
+ * Delay all clicks until a future date happens
+ *
+ * ```ts
+ * import { fromEvent, delay } from 'rxjs';
+ *
+ * const clicks = fromEvent(document, 'click');
+ * const date = new Date('March 15, 2050 12:00:00'); // in the future
+ * const delayedClicks = clicks.pipe(delay(date)); // click emitted only after that date
+ * delayedClicks.subscribe(x => console.log(x));
+ * ```
+ *
+ * @see {@link delayWhen}
+ * @see {@link throttle}
+ * @see {@link throttleTime}
+ * @see {@link debounce}
+ * @see {@link debounceTime}
+ * @see {@link sample}
+ * @see {@link sampleTime}
+ * @see {@link audit}
+ * @see {@link auditTime}
+ *
+ * @param due The delay duration in milliseconds (a `number`) or a `Date` until
+ * which the emission of the source items is delayed.
+ * @param scheduler The {@link SchedulerLike} to use for managing the timers
+ * that handle the time-shift for each item.
+ * @return A function that returns an Observable that delays the emissions of
+ * the source Observable by the specified timeout or Date.
+ */
+export function delay<T>(due: number | Date, scheduler: SchedulerLike = asyncScheduler): MonoTypeOperatorFunction<T> {
+  const duration = timer(due, scheduler);
+  return delayWhen(() => duration);
+}