now project is multiplatform and correctly working

src/jsMain/kotlin/dev/inmo/jsuikit/elements/Spinner.kt

@@ -0,0 +1,26 @@
+package dev.inmo.jsuikit.elements
+
+import androidx.compose.runtime.Composable
+import dev.inmo.jsuikit.modifiers.*
+import org.jetbrains.compose.web.dom.AttrBuilderContext
+import org.jetbrains.compose.web.dom.Div
+import org.w3c.dom.HTMLDivElement
+
+@Composable
+fun Spinner(
+    vararg modifiers: UIKitModifier,
+    ratio: Float? = null,
+    attributesCustomizer: AttrBuilderContext<HTMLDivElement> = {}
+) {
+    Div(
+        {
+            attr("uk-spinner", ratio ?.let { "ratio: $it" } ?: "")
+            classes("uk-icon", "uk-spinner")
+            include(*modifiers)
+            attributesCustomizer()
+        }
+    )
+}
+
+@Composable
+fun DefaultSpinner() = Spinner(UIKitAlign.Center, UIKitMargin.Small, UIKitText.Alignment.Center)