[WASM] Workaround about call toTypedArray on AbstractCollection

libraries/stdlib/wasm/src/kotlin/collections/ArraysWasm.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin.collections
+
+/**
+ * Returns a *typed* array containing all of the elements of this collection.
+ *
+ * Allocates an array of runtime type `T` having its size equal to the size of this collection
+ * and populates the array with the elements of this collection.
+ * @sample samples.collections.Collections.Collections.collectionToTypedArray
+ */
+@kotlin.internal.InlineOnly
+public actual inline fun <T> Collection<T>.toTypedArray(): Array<T> = copyToArray(this)
+
+@PublishedApi
+internal fun <T> copyToArray(collection: Collection<T>): Array<T> =
+    if (collection is AbstractCollection<T>)
+        //TODO: Find more proper way to call abstract collection's toArray
+        @Suppress("INVISIBLE_MEMBER") collection.toArray() as Array<T>
+    else
+        copyToArrayImpl(collection) as Array<T>
+
+@Suppress("UNCHECKED_CAST")
+internal actual fun <T> copyToArrayImpl(collection: Collection<*>, array: Array<T>): Array<T> {
+    if (array.size < collection.size)
+        return copyToArrayImpl(collection) as Array<T>
+
+    val iterator = collection.iterator()
+    var index = 0
+    while (iterator.hasNext()) {
+        array[index++] = iterator.next() as T
+    }
+    if (index < array.size) {
+        (array as Array<T?>).fill(null, index)
+    }
+    return array
+}