MicroUtils/coroutines/src/jsMain/kotlin/dev.inmo.micro_utils.corout.../ImagePreloading.kt

27 lines
522 B
Kotlin

package dev.inmo.micro_utils.coroutines
import kotlinx.coroutines.CancellationException
import kotlinx.coroutines.Job
import org.w3c.dom.Image
suspend fun preloadImage(src: String): Image {
val image = Image()
image.src = src
val job = Job()
image.addEventListener("load", {
runCatching { job.complete() }
})
runCatchingSafely {
job.join()
}.onFailure {
if (it is CancellationException) {
image.src = ""
}
}.getOrThrow()
return image
}