@vueuse/rxjs

This is an add-on of VueUse, enabling a natural way of using RxJS.

Install

npm i @vueuse/rxjs rxjs

Functions

• from — wrappers around RxJS's from() and fromEvent() to allow them to accept refs
• toObserver — sugar function to convert a ref into an RxJS Observer
• useExtractedObservable — use an RxJS Observable as extracted from one or more composables
• useObservable — use an RxJS Observable
• useSubject — bind an RxJS Subject to a ref and propagate value changes both ways
• useSubscription — use an RxJS Subscription without worrying about unsubscribing from it or creating memory leaks
• watchExtractedObservable — watch the values of an RxJS Observable as extracted from one or more composables

Example

import { from, fromEvent, useObservable } from '@vueuse/rxjs'
import { ref } from 'vue'
import { forkJoin, of } from 'rxjs'
import { ajax } from 'rxjs/ajax'
import { concatAll, map, mergeMap, pluck, scan, take } from 'rxjs/operators'

const BASE_URL = 'https://jsonplaceholder.typicode.com'
const button = ref<HTMLButtonElement>(null)

const posts = useObservable(
  fromEvent(button, 'click').pipe(
    mergeMap(() => ajax.getJSON(`${BASE_URL}/posts`).pipe(
      concatAll(),
      take(4),
      mergeMap(({ id, userId, title }) => forkJoin({
        id: of(id),
        comments: ajax.getJSON(`${BASE_URL}/posts/${id}/comments`).pipe(
          map(comments => comments.length),
        ),
        username: ajax.getJSON(`${BASE_URL}/users/${userId}`).pipe(
          pluck('username'),
        ),
      }), 2),
      scan((acc, curr) => [...acc, curr], []),
    )),
  ),
)

License

MIT License © 2019-PRESENT Anthony Fu