@speechkit/speechkit-audio-player/src/utils/index.js

A web player component that can play audio from https://speechkit.io

export const noop = () => {}

export const bindPropWithElement = (map = {}, self, multi = false) => {
  Object.keys(map).forEach(prop => {
    const res = self.container.getElementsByClassName(map[prop])
    self[prop] = multi ? res : res[0]
  })
}

export const optimizedResize = (() => {
  const callbacks = []
  let running = false

  const resize = () => {
    if (!running) {
      running = true

      if (window.requestAnimationFrame) {
        window.requestAnimationFrame(runCallbacks)
      } else {
        setTimeout(runCallbacks, 66)
      }
    }
  }

  const runCallbacks = () => {
    callbacks.forEach(callback => callback())
    running = false
  }

  const addCallback = callback => {
    if (callback) callbacks.push(callback)
  }

  return {
    add(callback) {
      if (!callbacks.length) {
        window.addEventListener('resize', resize)
      }

      addCallback(callback)
    },
  }
})()

export const fillWithPref = (obj, pref = 'js-') => Object.keys(obj).reduce((acc, next) => ({
  ...acc,
  [next]: pref + obj[next],
}), {})

export const filterPodcasts = podcasts => podcasts.filter(podcast => podcast.media && podcast.media.length)