Ilya Gorbunov
76 lines
2.5 KiB
Kotlin
76 lines
2.5 KiB
Kotlin
/*
|
|
* Copyright 2010-2018 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.
|
|
*/
|
|
|
|
|
|
// File is a copy of stdlib/js/src/kotlin/kotlin.kt
|
|
// TODO: Compile arrayPlusCollection
|
|
// TODO: implement a copy of jsIsType for both JS backends
|
|
|
|
@file:Suppress("UNUSED_PARAMETER", "NOTHING_TO_INLINE")
|
|
|
|
package kotlin
|
|
|
|
/**
|
|
* Returns an empty array of the specified type [T].
|
|
*/
|
|
public inline fun <T> emptyArray(): Array<T> = js("[]")
|
|
|
|
/**
|
|
* Creates a new instance of the [Lazy] that uses the specified initialization function [initializer].
|
|
*/
|
|
public actual fun <T> lazy(initializer: () -> T): Lazy<T> = UnsafeLazyImpl(initializer)
|
|
|
|
/**
|
|
* Creates a new instance of the [Lazy] that uses the specified initialization function [initializer].
|
|
*
|
|
* The [mode] parameter is ignored. */
|
|
public actual fun <T> lazy(mode: LazyThreadSafetyMode, initializer: () -> T): Lazy<T> = UnsafeLazyImpl(initializer)
|
|
|
|
/**
|
|
* Creates a new instance of the [Lazy] that uses the specified initialization function [initializer].
|
|
*
|
|
* The [lock] parameter is ignored.
|
|
*/
|
|
@Deprecated("Synchronization on Any? object is not supported.", ReplaceWith("lazy(initializer)"))
|
|
@DeprecatedSinceKotlin(warningSince = "1.9")
|
|
public actual fun <T> lazy(lock: Any?, initializer: () -> T): Lazy<T> = UnsafeLazyImpl(initializer)
|
|
|
|
|
|
internal fun fillFrom(src: dynamic, dst: dynamic): dynamic {
|
|
val srcLen: Int = src.length
|
|
val dstLen: Int = dst.length
|
|
var index: Int = 0
|
|
val arr = dst.unsafeCast<Array<Any?>>()
|
|
while (index < srcLen && index < dstLen) arr[index] = src[index++]
|
|
return dst
|
|
}
|
|
|
|
|
|
internal fun arrayCopyResize(source: dynamic, newSize: Int, defaultValue: Any?): dynamic {
|
|
val result = source.slice(0, newSize).unsafeCast<Array<Any?>>()
|
|
copyArrayType(source, result)
|
|
var index: Int = source.length
|
|
if (newSize > index) {
|
|
result.asDynamic().length = newSize
|
|
while (index < newSize) result[index++] = defaultValue
|
|
}
|
|
return result
|
|
}
|
|
|
|
internal fun <T> arrayPlusCollection(array: dynamic, collection: Collection<T>): dynamic {
|
|
val result = array.slice().unsafeCast<Array<T>>()
|
|
result.asDynamic().length = result.size + collection.size
|
|
copyArrayType(array, result)
|
|
var index: Int = array.length
|
|
for (element in collection) result[index++] = element
|
|
return result
|
|
}
|
|
|
|
internal inline fun copyArrayType(from: dynamic, to: dynamic) {
|
|
if (from.`$type$` !== undefined) {
|
|
to.`$type$` = from.`$type$`
|
|
}
|
|
}
|