kefir/src/time-based/from-poll.js

Reactive Programming library for JavaScript inspired by Bacon.js and RxJS with focus on high performance and low memory usage

import timeBased from '../patterns/time-based'

const S = timeBased({
  _name: 'fromPoll',

  _init({fn}) {
    this._fn = fn
  },

  _free() {
    this._fn = null
  },

  _onTick() {
    const fn = this._fn
    this._emitValue(fn())
  },
})

export default function fromPoll(wait, fn) {
  return new S(wait, {fn})
}