64 lines
2.1 KiB
Swift
64 lines
2.1 KiB
Swift
//
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// InspectorWrapper.swift
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// Meta
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//
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// Created by david-swift on 29.06.24.
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//
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/// Run a custom code accessing the view's storage when initializing and updating the view.
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struct InspectorWrapper: ConvenienceWidget {
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/// The custom code to edit the widget.
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var modify: (ViewStorage, Bool) -> Void
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/// The wrapped view.
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var content: AnyView
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/// The view storage.
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/// - Parameters:
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/// - modifiers: Modify views before being updated.
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/// - type: The type of the app storage.
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func container<Storage>(
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modifiers: [(any AnyView) -> any AnyView],
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type: Storage.Type
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) -> ViewStorage where Storage: AppStorage {
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let storage = content.storage(modifiers: modifiers, type: type)
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modify(storage, true)
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return storage
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}
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/// Update the stored content.
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/// - Parameters:
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/// - storage: The storage to update.
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/// - modifiers: Modify views before being updated
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/// - updateProperties: Whether to update the view's properties.
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/// - type: The type of the app storage.
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func update<Storage>(
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_ storage: ViewStorage,
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modifiers: [(any AnyView) -> any AnyView],
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updateProperties: Bool,
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type: Storage.Type
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) where Storage: AppStorage {
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content.updateStorage(storage, modifiers: modifiers, updateProperties: updateProperties, type: type)
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modify(storage, updateProperties)
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}
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}
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extension AnyView {
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/// Run a custom code accessing the view's storage when initializing and updating the view.
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/// - Parameter modify: Modify the storage. The boolean indicates whether state in parent views changed.
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/// - Returns: A view.
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public func inspect(_ modify: @escaping (ViewStorage, Bool) -> Void) -> AnyView {
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InspectorWrapper(modify: modify, content: self)
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}
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/// Run a function when the view gets updated.
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/// - Parameter onUpdate: The function.
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/// - Returns: A view.
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public func onUpdate(_ onUpdate: @escaping () -> Void) -> AnyView {
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inspect { _, _ in onUpdate() }
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}
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}
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