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remove old file

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This commit is contained in:
Iuri Matias 2019-10-01 15:11:37 -04:00
parent 4bb6535089
commit ed324f4579
1 changed files with 0 additions and 43 deletions
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43
poc.js
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@ -1,43 +0,0 @@
const { ReplaySubject } = require('rxjs');
const { map, scan } = require('rxjs/operators');
const { exhaustMap, takeLast, take } = require('rxjs/operators');
let _scan = scan((acc, curr) => {
acc.push(curr);
if (acc.length > 4) {
acc.shift();
}
return acc;
}, [])
let _average = map(arr => arr.reduce((acc, current) => acc + current, 0) / arr.length)
let sub = new ReplaySubject();
sub.next(1)
sub.next(2)
sub.next(3)
sub.next(4)
// sub.pipe(_scan, _average).subscribe((v) => {
sub.pipe(takeLast(2)).subscribe((v) => {
console.log("got value " + v)
})
// result:
// got value 1
// got value 1.5
// got value 2
// got value 2.5
// wanted result:
// got value 2.5
console.dir("---------")
sub.next(5)
sub.next(6)
// expected afterwards
// got value 3.5
// got value 4.5