Juan Arzola juanarzola
juanarzola
/ IndexInSpotlight.swift
Last active
November 21, 2025 07:35
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| import SwiftData | |
| import CoreSpotlight | |
| import FetchDescriptorObserver | |
| import OSLog | |
| import AppIntents | |
| private let logger = Logger.spotlight | |
| // Initialize from a SwiftData PersistentModel | |
| protocol FromPersistentModel { |
juanarzola
/ FetchDescriptor+model.swift
Last active
November 16, 2025 02:55
An extension that normally works, except from shortcuts, where uuid isn't found in the schema
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| extension FetchDescriptor { | |
| public static func model<Model: PersistentModel & UUIDString>( | |
| withUUIDString uuidString: String? | |
| ) -> FetchDescriptor<Model> { | |
| guard let uuidString else { return .init(predicate: .false) } | |
| let pred = #Predicate<Model> { $0.uuid == uuidString } | |
| var desc = FetchDescriptor<Model>(predicate: pred) | |
| desc.fetchLimit = 1 | |
| return desc | |
| } |
juanarzola
/ run-on-remote.sh
Created
September 9, 2025 00:31
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| TARGET="[email protected]"; APP="/path/to/DerivedData/.../MyApp.app"; APP_NAME=$(basename "$APP"); rsync -avE --delete "$APP" "$TARGET:/Applications/" && ssh "$TARGET" "echo Remote host: \$(hostname); codesign --force --deep -s - /Applications/$APP_NAME && open -n /Applications/$APP_NAME" |
juanarzola
/ Cancellation.swift
Last active
August 24, 2025 11:51
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| public extension Task where Success == Void , Failure == Never { | |
| // Suspends until the task is cancelled | |
| static func cancellation() async -> Void { | |
| let s = AsyncStream<Void>{ continuation in } | |
| for await _ in s { | |
| } | |
| } | |
| // EMITS INFINITE ELEMENTS CPU 100% |
juanarzola
/ EnvironmentDimmedTintColorViewModifier.swift
Created
March 17, 2025 21:03
Exposes tintColor in the dimmed state to SwiftUI. Use this to adapt any non-accentColor color to the dimmed state.
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| // | |
| // EnvironmentDimmedTintColorViewModifier.swift | |
| // Learn | |
| // | |
| // Created by Juan Arzola on 3/17/25. | |
| // Copyright © 2025 Juan Arzola. All rights reserved. | |
| // | |
| import SwiftUI | |
| import UIKit |
juanarzola
/ KeyboardShortcutButtons.swift
Last active
March 17, 2025 21:11
Overlay with buttons used just for triggering keyboard shortcuts
juanarzola
/ PersistentIdentifier+shortDescription.swift
Created
December 19, 2024 09:45
A super simple hack to get a short description of SwiftData's PersistentIdentifier suitable for debugging. Format: `{ModelName}/p{Number}`
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| import SwiftData | |
| extension PersistentIdentifier { | |
| var shortDebugDescription: String { | |
| let description = "\(self)" | |
| let entityNameRange = description.firstMatch(of: self.entityName)?.range | |
| let lastParenthesisRange = description.firstMatch(of: ")")?.range | |
| if let entityNameRange, let lastParenthesisRange, | |
| entityNameRange.lowerBound < lastParenthesisRange.upperBound { | |
| return String(description[entityNameRange.lowerBound..<lastParenthesisRange.lowerBound]) |
juanarzola
/ ModelContainer+runNonisolated.swift
Last active
August 20, 2024 23:37
Convenience extension for running ModelActor code in the background
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| extension ModelContainer { | |
| // non-throwing version | |
| nonisolated func runNonisolated<ResultType, ActorType: InitWithModelContainer>( | |
| action: @Sendable (_ actor: ActorType) async -> ResultType | |
| ) async -> ResultType { | |
| let actor = ActorType(modelContainer: self) | |
| let result = await action(actor) | |
| return result | |
| } | |
| // throwing version |
juanarzola
/ swift-data-request.swift
Last active
June 18, 2024 06:17
Proposed query API for SwiftData notifications (stream based)
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| // Our one super simple SwiftData Model | |
| @Model | |
| class Item { | |
| ... | |
| } | |
| // MARK: - TodayView | |
| @MainActor |
juanarzola
/ updateLoop.swift
Last active
June 8, 2024 17:31
ViewModel (or controller(!)) updateLoop pattern that keeps the model up-to-date in a task.
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| // MARK: - TodayView | |
| @MainActor | |
| struct TodayView: View { | |
| @State private var viewModel = TodayViewModel() | |
| @Environment(\.modelContext) private var modelContext | |
| var body: some View { | |
| HStack { | |
| switch viewModel.content { |
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