kitejs/io.github.yuroyami.kitejs/Delegator

Delegator

open class Delegator : Function, SymbolScriptable

Forwards every object operation to another object. Subclass it to wrap a host object: override only what you want to change and the rest keeps working.

Constructors

Delegator

constructor()

A prototype-shaped delegator with nothing behind it yet.

constructor(obj: Scriptable?)

Properties

className

open override val className: String

The class name, as Object.prototype.toString reports it.

declarationScope

open val declarationScope: Scriptable?

The scope this function was declared in.

delegee

open var delegee: Scriptable?

The object every operation is forwarded to.

parentScope

open override var parentScope: Scriptable?

prototype

open override var prototype: Scriptable?

Functions

call

open override fun call(cx: Context, scope: Scriptable, thisObj: Scriptable?, args: Array<Any?>): Any?

construct

open override fun construct(cx: Context, scope: Scriptable, args: Array<Any?>): Scriptable

With nothing behind it this acts as a prototype: new builds a delegator over a fresh object.

delete

open override fun delete(key: Symbol)

open override fun delete(index: Int)

open override fun delete(name: String)

get

open override fun get(key: Symbol, start: Scriptable): Any?

open override fun get(index: Int, start: Scriptable): Any?

Gets an indexed property, or NOT_FOUND when there is none.

open override fun get(name: String, start: Scriptable): Any?

Gets a named property, or NOT_FOUND when there is none.

getDefaultValue

open override fun getDefaultValue(hint: KClass<*>?): Any?

A delegator is its own primitive when asked for an object, and defers otherwise.

getIds

open override fun getIds(): Array<Any?>

Every property name of this object alone, ignoring the prototype chain.

has

open override fun has(key: Symbol, start: Scriptable): Boolean

open override fun has(index: Int, start: Scriptable): Boolean

open override fun has(name: String, start: Scriptable): Boolean

hasInstance

open override fun hasInstance(instance: Scriptable): Boolean

Backs the instanceof operator.

put

open override fun put(key: Symbol, start: Scriptable, value: Any?)

open override fun put(index: Int, start: Scriptable, value: Any?)

open override fun put(name: String, start: Scriptable, value: Any?)