kotlin-js/js.objects/Object/Companion

Companion

object Companion(source)

Functions

assign

fun <T : Any, R : T> assign(dest: R, vararg src: T?): R

create

fun <T : Any> create(o: T?, properties: PropertyDescriptorMap = definedExternally): T

defineProperties

fun <T : Any> defineProperties(o: T, properties: PropertyDescriptorMap): T

defineProperty

fun <T : Any, P> defineProperty(o: T, p: PropertyKey, attributes: TypedPropertyDescriptor<P>): T

entries

fun <T> entries(o: ReadonlyRecord<String, T>): ReadonlyArray<JsTuple2<String, T>>

fun entries(o: Any): ReadonlyArray<JsTuple2<String, Any?>>

freeze

fun <R, T : R> freeze(o: T): R

fromEntries

fun <T> fromEntries(entries: JsIterable<JsTuple2<String, T>>): ReadonlyRecord<String, T>

fun <T> fromEntries(entries: ReadonlyArray<JsTuple2<String, T>>): ReadonlyRecord<String, T>

getOwnPropertyDescriptor

fun <T> getOwnPropertyDescriptor(o: Any, p: PropertyKey): TypedPropertyDescriptor<T>?

getOwnPropertyNames

fun getOwnPropertyNames(o: Any): ReadonlyArray<String>

getOwnPropertySymbols

fun getOwnPropertySymbols(o: Any): ReadonlyArray<Symbol>

getPrototypeOf

fun <P : Any, T : P> getPrototypeOf(o: T): P

groupBy

fun <T : Any, K : PropertyKey> groupBy(items: ReadonlyArray<T>, keySelector: (value: T, index: Int) -> K): ReadonlyRecord<K, ReadonlyArray<T>>

hasOwn

fun hasOwn(o: Any, v: PropertyKey): Boolean

fun is(value1: Any?, value2: Any?): Boolean

isExtensible

fun isExtensible(o: Any): Boolean

isFrozen

fun isFrozen(o: Any): Boolean

isSealed

fun isSealed(o: Any): Boolean

keys

fun keys(o: Any): ReadonlyArray<String>

preventExtensions

fun <T> preventExtensions(o: T): T

seal

fun <T> seal(o: T): T

setPrototypeOf

fun <T : Any> setPrototypeOf(o: T, proto: Any?): T

values

fun <T : Any> values(o: ReadonlyRecord<*, T>): ReadonlyArray<T>

fun values(o: Any): ReadonlyArray<Any?>