From d55b767039605256c736166a942a9138e3eacfd7 Mon Sep 17 00:00:00 2001 From: Pinapelz Date: Sun, 29 Jun 2025 11:49:28 -0700 Subject: remove dev node_modules (oops) --- .../rxjs/src/internal/operators/mergeScan.ts | 92 ---------------------- 1 file changed, 92 deletions(-) delete mode 100644 node_modules/rxjs/src/internal/operators/mergeScan.ts (limited to 'node_modules/rxjs/src/internal/operators/mergeScan.ts') diff --git a/node_modules/rxjs/src/internal/operators/mergeScan.ts b/node_modules/rxjs/src/internal/operators/mergeScan.ts deleted file mode 100644 index c9c520b..0000000 --- a/node_modules/rxjs/src/internal/operators/mergeScan.ts +++ /dev/null @@ -1,92 +0,0 @@ -import { ObservableInput, OperatorFunction } from '../types'; -import { operate } from '../util/lift'; -import { mergeInternals } from './mergeInternals'; - -/** - * Applies an accumulator function over the source Observable where the - * accumulator function itself returns an Observable, then each intermediate - * Observable returned is merged into the output Observable. - * - * It's like {@link scan}, but the Observables returned - * by the accumulator are merged into the outer Observable. - * - * The first parameter of the `mergeScan` is an `accumulator` function which is - * being called every time the source Observable emits a value. `mergeScan` will - * subscribe to the value returned by the `accumulator` function and will emit - * values to the subscriber emitted by inner Observable. - * - * The `accumulator` function is being called with three parameters passed to it: - * `acc`, `value` and `index`. The `acc` parameter is used as the state parameter - * whose value is initially set to the `seed` parameter (the second parameter - * passed to the `mergeScan` operator). - * - * `mergeScan` internally keeps the value of the `acc` parameter: as long as the - * source Observable emits without inner Observable emitting, the `acc` will be - * set to `seed`. The next time the inner Observable emits a value, `mergeScan` - * will internally remember it and it will be passed to the `accumulator` - * function as `acc` parameter the next time source emits. - * - * The `value` parameter of the `accumulator` function is the value emitted by the - * source Observable, while the `index` is a number which represent the order of the - * current emission by the source Observable. It starts with 0. - * - * The last parameter to the `mergeScan` is the `concurrent` value which defaults - * to Infinity. It represents the maximum number of inner Observable subscriptions - * at a time. - * - * ## Example - * - * Count the number of click events - * - * ```ts - * import { fromEvent, map, mergeScan, of } from 'rxjs'; - * - * const click$ = fromEvent(document, 'click'); - * const one$ = click$.pipe(map(() => 1)); - * const seed = 0; - * const count$ = one$.pipe( - * mergeScan((acc, one) => of(acc + one), seed) - * ); - * - * count$.subscribe(x => console.log(x)); - * - * // Results: - * // 1 - * // 2 - * // 3 - * // 4 - * // ...and so on for each click - * ``` - * - * @see {@link scan} - * @see {@link switchScan} - * - * @param accumulator The accumulator function called on each source value. - * @param seed The initial accumulation value. - * @param concurrent Maximum number of input Observables being subscribed to - * concurrently. - * @return A function that returns an Observable of the accumulated values. - */ -export function mergeScan( - accumulator: (acc: R, value: T, index: number) => ObservableInput, - seed: R, - concurrent = Infinity -): OperatorFunction { - return operate((source, subscriber) => { - // The accumulated state. - let state = seed; - - return mergeInternals( - source, - subscriber, - (value, index) => accumulator(state, value, index), - concurrent, - (value) => { - state = value; - }, - false, - undefined, - () => (state = null!) - ); - }); -} -- cgit v1.2.3