image preload

gistfile1.txt

/*
 *  Scripts - Utilities - Preload Images
 */


export function imagesPreload(imageUrls) {

  let images = []

  let count = 0

  imageUrls.forEach(url => {

    images[count] = new Image()
    images[count].src = url

    count++

  })

  return images

}

export function imagesPreloadedCheck(
  imageEls, debug
) {

  let loaded = 0

  imagesEls.forEach(image => {

    console.log(imageEls)

    if (image.complete) {

      loaded++

      if (debug) {

        console.log('debug')

        console.log(
          'Loaded ' +
          loaded +
          ' of ' +
          imageEls.length +
          ' Images'
        )

      }

    }

  })

  if (loaded === imagesEls.length) {

    console.log(
      'Loaded ' +
      loaded +
      ' Images'
    )

    return true

  }

}

export function imagesPreloadedCheckWait(
  imageEls, debug
) {

  let loading = imagesPreloadedCheck(imageEls, debug)

  if (loading) {

    return true

  }
  else {

    setTimeout(() => {

      return imagesPreloadedCheckWait(
        loading,
        debug
      )

    }, 200)

  }

}