kotlin-js/js.objects/Object/Companion

Companion

object Companion(source)

Functions

assign

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

create

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

defineProperties

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

defineProperty

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

entries

fun entries(o: JsAny): ReadonlyArray<JsTuple2<JsString, JsAny?>>

fun <T : JsAny?> entries(o: ReadonlyRecord<JsString, T>): ReadonlyArray<JsTuple2<JsString, T>>

freeze

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

fromEntries

fun <T : JsAny?> fromEntries(entries: ReadonlyArray<JsTuple2<JsString, T>>): ReadonlyRecord<JsString, T>

fun <T : JsAny?> fromEntries(entries: JsIterable<JsTuple2<JsString, T>>): ReadonlyRecord<JsString, T>

getOwnPropertyDescriptor

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

getOwnPropertyNames

fun getOwnPropertyNames(o: JsAny): ReadonlyArray<JsString>

getOwnPropertySymbols

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

getPrototypeOf

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

groupBy

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

hasOwn

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

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

isExtensible

fun isExtensible(o: JsAny): Boolean

isFrozen

fun isFrozen(o: JsAny): Boolean

isSealed

fun isSealed(o: JsAny): Boolean

keys

fun keys(o: JsAny): ReadonlyArray<JsString>

preventExtensions

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

seal

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

setPrototypeOf

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

values

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

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