@myissue/vue-website-page-builder/src/composables/preloadImage.ts

Vue 3 page builder component with drag & drop functionality.

export function preloadImage(url: string) {
  return new Promise((resolve, reject) => {
    const img = new window.Image()
    img.onload = resolve
    img.onerror = reject
    img.src = url
  })
}