VueUsetoObserver
Sugar function to convert a ref into an RxJS Observer. Available in the @vueuse/rxjs add-on.
Usage
ts
import { ref } from 'vue'
import { from, fromEvent, toObserver, useSubscription } from '@vueuse/rxjs'
import { interval } from 'rxjs'
import { map, mapTo, takeUntil, withLatestFrom } from 'rxjs/operators'
const count = ref(0)
const button = ref<HTMLButtonElement>(null)
useSubscription(
interval(1000)
.pipe(
mapTo(1),
takeUntil(fromEvent(button, 'click')),
withLatestFrom(from(count).pipe(startWith(0))),
map(([total, curr]) => curr + total),
)
.subscribe(toObserver(count)), // same as ).subscribe(val => (count.value = val))
)
import { ref } from 'vue'
import { from, fromEvent, toObserver, useSubscription } from '@vueuse/rxjs'
import { interval } from 'rxjs'
import { map, mapTo, takeUntil, withLatestFrom } from 'rxjs/operators'
const count = ref(0)
const button = ref<HTMLButtonElement>(null)
useSubscription(
interval(1000)
.pipe(
mapTo(1),
takeUntil(fromEvent(button, 'click')),
withLatestFrom(from(count).pipe(startWith(0))),
map(([total, curr]) => curr + total),
)
.subscribe(toObserver(count)), // same as ).subscribe(val => (count.value = val))
)
Type Declarations
typescript
export declare function toObserver<T>(value: Ref<T>): NextObserver<T>
export declare function toObserver<T>(value: Ref<T>): NextObserver<T>
Source
Contributors
Anthony Fu
Curt Grimes
yang
Michel Betancourt