PerformanceObserver

import DOM

protocol ConstructibleFromJSValue

Types conforming to this protocol can be constructed from JSValue.

protocol ConvertibleToJSValue

Objects that can be converted to a JavaScript value, preferably in a lossless manner.

protocol CustomStringConvertible

A type with a customized textual representation.

protocol JSBridgedClass : JSBridgedType

Conform to this protocol when your Swift class wraps a JavaScript class.

protocol JSBridgedType : ConstructibleFromJSValue, ConvertibleToJSValue, CustomStringConvertible

Use this protocol when your type has no single JavaScript class. For example, a union type of multiple classes or primitive values.

convenience init(callback: @escaping PerformanceObserverCallback)

required init(unsafelyWrapping jsObject: JSObject)

class var constructor: JSFunction? { get }

let jsObject: JSObject

@ReadonlyAttribute var supportedEntryTypes: [String] { get }

func disconnect()

func observe(options: PerformanceObserverInit? = nil)

func takeRecords() -> PerformanceEntryList

init?(from value: JSValue)

init?(from object: JSObject)

static func construct(from value: JSValue) -> Self?

var description: String { get }

var jsValue: JSValue { get }

func jsValue() -> JSValue