now project is multiplatform and correctly working

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

@@ -0,0 +1,84 @@
+package dev.inmo.jsuikit.elements
+
+import androidx.compose.runtime.Composable
+import androidx.compose.web.events.SyntheticMouseEvent
+import dev.inmo.jsuikit.modifiers.*
+import org.jetbrains.compose.web.attributes.InputType
+import org.jetbrains.compose.web.attributes.disabled
+import org.jetbrains.compose.web.dom.*
+import org.w3c.dom.HTMLButtonElement
+import org.w3c.dom.HTMLDivElement
+import org.w3c.dom.events.Event
+
+@Composable
+fun DefaultButton(
+    vararg modifiers: UIKitModifier,
+    disabled: Boolean = false,
+    buttonType: UIKitButton.Type = UIKitButton.Type.Default,
+    onClick: ((SyntheticMouseEvent) -> Unit)? = null,
+    attributesCustomizer: AttrBuilderContext<HTMLButtonElement> = {},
+    contentAllocator: ContentBuilder<HTMLButtonElement>
+) {
+    Button(
+        {
+            onClick ?.let { onClick(it) }
+            classes("uk-button")
+            include(*modifiers, buttonType)
+            if (disabled) {
+                disabled()
+            }
+            attributesCustomizer()
+        }
+    ) {
+        contentAllocator()
+    }
+}
+
+@Composable
+fun DefaultButton(
+    text: String,
+    vararg modifiers: UIKitModifier,
+    disabled: Boolean = false,
+    buttonType: UIKitButton.Type = UIKitButton.Type.Default,
+    preTextContentAllocator: ContentBuilder<HTMLButtonElement>? = null,
+    afterTextContentAllocator: ContentBuilder<HTMLButtonElement>? = null,
+    attributesCustomizer: AttrBuilderContext<HTMLButtonElement> = {},
+    onClick: ((SyntheticMouseEvent) -> Unit)? = null
+) = DefaultButton(*modifiers, disabled = disabled, buttonType = buttonType, onClick = onClick, attributesCustomizer = attributesCustomizer) {
+    preTextContentAllocator ?.apply { preTextContentAllocator() }
+    Text(text)
+    afterTextContentAllocator ?.apply { afterTextContentAllocator() }
+}
+
+@Composable
+fun UploadButton(
+    text: String,
+    vararg buttonModifiers: UIKitModifier,
+    containerModifiers: Array<UIKitModifier> = emptyArray(),
+    disabled: Boolean = false,
+    buttonType: UIKitButton.Type = UIKitButton.Type.Default,
+    attributesCustomizer: AttrBuilderContext<HTMLDivElement> = {},
+    onChange: (Event) -> Unit
+) {
+    Div(
+        {
+            classes("js-upload", "uk-form-custom")
+            attr("uk-form-custom", "")
+            include(*containerModifiers)
+            attributesCustomizer()
+        }
+    ) {
+        Input(InputType.File) { onChange { onChange(it.nativeEvent) } }
+        Button(
+            {
+                classes("uk-button")
+                include(*buttonModifiers, buttonType)
+                if (disabled) {
+                    disabled()
+                }
+            }
+        ) {
+            Text(text)
+        }
+    }
+}