kotlin-stdlib/kotlin.js/Promise

Promise

actual open external class Promise<out T>(source)

Exposes the JavaScript Promise object to Kotlin.

Since Kotlin

1.1
@ExperimentalWasmJsInterop
actual external class Promise<out T> : JsAny(source)

Exposes the JavaScript Promise object to Kotlin.

Since Kotlin

1.8

Constructors

Link copied to clipboard
actual constructor(executor: (resolve: (T) -> Unit, reject: (Throwable) -> Unit) -> Unit)
actual constructor(executor: (resolve: (T) -> Unit, reject: (JsAny) -> Unit) -> Unit)

Types

Link copied to clipboard
actual object Companion
Since Kotlin 1.1
actual object Companion
Since Kotlin 1.8

Functions

Link copied to clipboard
@ExperimentalWasmJsInterop
actual fun JsPromiseError.asJsException(): JsException
Since Kotlin 2.2
Link copied to clipboard
actual open fun <S> catch(onRejected: (Throwable) -> S): Promise<S>
Since Kotlin 1.1
actual fun <S : JsAny?> catch(onRejected: (JsAny) -> S): Promise<S>
Since Kotlin 1.8
Link copied to clipboard
actual open fun finally(onFinally: () -> Unit): Promise<T>
Since Kotlin 1.1
actual fun finally(onFinally: () -> Unit): Promise<T>
Since Kotlin 1.8
Link copied to clipboard
actual open fun <S> then(onFulfilled: (T) -> S?): Promise<S>
actual open fun <S> then(onFulfilled: (T) -> S?, onRejected: (Throwable) -> S?): Promise<S>
Since Kotlin 1.1
actual fun <S : JsAny?> then(onFulfilled: (T) -> S?): Promise<S>
actual fun <S : JsAny?> then(onFulfilled: (T) -> S?, onRejected: (JsAny) -> S?): Promise<S>
Since Kotlin 1.8
Link copied to clipboard
inline fun <T, S> Promise<Promise<T>>.then(noinline onFulfilled: (T) -> S?): Promise<S>
inline fun <T, S> Promise<Promise<T>>.then(noinline onFulfilled: (T) -> S?, noinline onRejected: (Throwable) -> S?): Promise<S>
Since Kotlin 1.1
Link copied to clipboard
@ExperimentalWasmJsInterop
fun JsAny.toThrowableOrNull(): Throwable?

For a Dynamic value caught in JS, returns the corresponding Throwable if it was thrown from Kotlin, or null otherwise.

Since Kotlin 1.8
Link copied to clipboard
@ExperimentalWasmJsInterop
actual inline fun <T : JsAny> JsAny.unsafeCast(): T
Since Kotlin 2.2
@ExperimentalWasmJsInterop
actual fun <T : JsAny> JsAny.unsafeCast(): T

Cast JsAny to other Js type without runtime check

Since Kotlin 1.8