Kyle-Ye

// Usage: ViewGraph.current.append(feature: HStackImplicitFeature())
struct HStackImplicitFeature: ViewGraphFeature {
    func modifyViewInputs(inputs: inout _ViewInputs, graph: ViewGraph) {
        inputs.implicitRootType = _HStackLayout.self
    }
}

struct ContentView: View {
    var body: some View {
        ChildView1()

Kyle-Ye

// kdebug_interpose.c

#include <stdbool.h>
#include <stdint.h>
#include <dlfcn.h>

// Forward declare the original
extern bool kdebug_is_enabled(uint32_t debugid);

// Our replacement

Kyle-Ye

import Testing
import SwiftUI
@testable import Demo

typealias PlatformViewController = UIViewController
typealias PlatformWindow = UIWindow
typealias PlatformHostingController = UIHostingController

extension PlatformViewController {
    // NOTE: Remember to withExtendedLifetime for window to ensure it is not deallocated duration animation or update.

Kyle-Ye

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>com.github.actions-runner</string>

    <key>ProgramArguments</key>
    <array>
        <string>/bin/bash</string>

Kyle-Ye

#!/bin/bash
# A temporay workaround for https://github.com/swiftlang/swift-corelibs-foundation/issues/5211
set -e

# Find the path to swift binary
SWIFT_PATH=$(which swift)
echo "Swift binary found at: $SWIFT_PATH"

# Extract the toolchain path from swift binary path
# Remove /usr/bin/swift from the path to get the toolchain root

Kyle-Ye

// Ref: https://x.com/KyleSwifter/status/1899663558914572653
// The iOS 18 SwiftUI SDK has an API to change the semantic - _TestApp().setSemantics(xx).
// Remember to make it public in your SDK.
// For lower OS version, the API does not exist.
// But  `_TestApp.run()` will read and set it from the `CommandLine.arguments` after `--semantics`.

@main
struct SemanticsTestsApp: App {
    init() {
        let app = _TestApp()

Kyle-Ye

import Dispatch
import Foundation
import UIKit

extension DispatchQueue {
    /// Run the action immediately if it's on the main thread, otherwise dispatch it to the main thread asynchronously.
    public static func onMainThread(_ action: @escaping () -> Void) {
        if Thread.isMainThread {
            action()
        } else {

Kyle-Ye

// Set up swift repo
mkdir -p ~/tmp/build/swift-project
cd ~/tmp/build/swift-project
git clone [email protected]:swiftlang/swift.git

// Update the swift-project
cd swift
utils/update-checkout --clone-with-ssh

// Check out to the 5.10 release

Kyle-Ye

#!/bin/bash

# Script modified from https://docs.emergetools.com/docs/analyzing-a-spm-framework-ios

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd -P)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"

PROJECT_BUILD_DIR="${PROJECT_BUILD_DIR:-"${PROJECT_ROOT}/build"}"

Kyle-Ye

// Based on https://gist.github.com/liamnichols/a2e656ae93a597952b4427bcfa371185
// Add allowsSelfSizing support to support inputViewController custom height
// If you need fully dynamic height, please try https://gist.github.com/hannesoid/74ec9022021835598acf17564ce76a5a
/// `UIInputViewController` subclass that wraps a `UIHostingController` allowing you to embed SwiftUI inside `inputAccessoryViewController` and friends.
fileprivate class InputHostingViewController<Content: View>: UIInputViewController {
    let hostingViewController: UIHostingController<Content>
        
    init(rootView: Content) {
        self.hostingViewController = UIHostingController(rootView: rootView)
        super.init(nibName: nil, bundle: nil)