add preloadImage

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

@@ -0,0 +1,26 @@
+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
+}