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GeezerVison is showing github.com — JavaScriptKit/Sources/JavaScriptKit/JSBridgedType.swift at main · mansbernhardt/JavaScriptKit Expand file tree/ Copy pathJSBridgedType.swiftMore file actions 61 lines (50 loc) · 2.22 KB / Copy pathJSBridgedType.swiftFile metadata and controls61 lines (50 loc) · 2.22 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 /// Use this protocol when your type has no single JavaScript class. /// For example, a union type of multiple classes or primitive values. public protocol JSBridgedType: JSValueCompatible, CustomStringConvertible { /// If your class is incompatible with the provided value, return `nil`. init?(from value: JSValue) } extension JSBridgedType { public static func construct(from value: JSValue) -> Self? { Self(from: value) } public var description: String { jsValue.description } } /// A protocol that Swift classes that are exposed to JavaScript via `@JS class` conform to. /// /// The conformance is automatically synthesized by `@JSClass` for BridgeJS-generated declarations. public protocol _JSBridgedClass: Equatable, _BridgedSwiftStackType { /// The JavaScript object wrapped by this instance. /// You may assume that `jsObject instanceof Self.constructor == true` var jsObject: JSObject { get } /// Create an instance wrapping the given JavaScript object. /// You may assume that `jsObject instanceof Self.constructor` init(unsafelyWrapping jsObject: JSObject) } extension _JSBridgedClass { public static func == (lhs: Self, rhs: Self) -> Bool { lhs.jsObject == rhs.jsObject } } /// Conform to this protocol when your Swift class wraps a JavaScript class. public protocol JSBridgedClass: JSBridgedType, _JSBridgedClass { /// The constructor function for the JavaScript class static var constructor: JSObject? { get } /// The JavaScript object wrapped by this instance. /// You may assume that `jsObject instanceof Self.constructor == true` var jsObject: JSObject { get } /// Create an instance wrapping the given JavaScript object. /// You may assume that `jsObject instanceof Self.constructor` init(unsafelyWrapping jsObject: JSObject) } extension JSBridgedClass { public var jsValue: JSValue { jsObject.jsValue } public init?(from value: JSValue) { guard let object = value.object else { return nil } self.init(from: object) } public init?(from object: JSObject) { guard let constructor = Self.constructor, object.isInstanceOf(constructor) else { return nil } self.init(unsafelyWrapping: object) } } |
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