Memento

A memento represents a storage utility. It can store and retrieve values.

Functions

abstract fun <T : ERROR CLASS: Symbol not found for JsAny??> get(key: String): T?

abstract fun <T : ERROR CLASS: Symbol not found for JsAny??> get(key: String, defaultValue: T): T

Return a value.

abstract fun keys(): ReadonlyArray<ERROR CLASS: Symbol not found for JsString>

Returns the stored keys.

abstract fun update(key: String, value: ERROR CLASS: Symbol not found for JsAny??): PromiseLike<Void>

Store a value. The value must be JSON-stringifyable.