Keita Ito keitaito

Swift Package Ecosystem: Official Conventions & Best Practices

A comprehensive study of how Apple and Swift.org official packages are structured, including file organization, naming conventions, code quality rules, formatting rules, and tooling patterns.

Packages Analyzed:

Architecture

Offline Sync and Cache

WWDC                                2006  2007  2008  2009
2010 2011 2012 2013 2014

JSC

JSC is the JavaScript engine from Apple's JavaScriptCore (WebKit) as a console application that you can use to run script in the terminal.

For more info visit the JSC's webkit wiki page.

Adding a shortcut to JSC

Using jsc is simple, the one issue is that Apple keeps changing the location for jsc. To deal with this issue I just create a symbolic link to the binary:

📝 企業を調べる時のメモ書きです。

求人サイト

https://www.wantedly.com/
https://jobs.forkwell.com/
https://jp.indeed.com/
- 日本だとあんまり使ってる企業がいないけど、グローバルよりで日本でもやってる面白いものがたまに見つかる
などの各種求人サイトを見る
Note: 📝

	@propertyWrapper
	class Box<T> {
	var wrappedValue: T

	var projectedValue: Box<T> {
	Box(wrappedValue)
	}

	init(_ value: T) {
	self.wrappedValue = value

	function run(input, parameters) {
	const appNames = [];
	const skipAppNames = [];
	const verbose = true;

	const scriptName = 'close_notifications_applescript';

	const CLEAR_ALL_ACTION = 'Clear All';
	const CLEAR_ALL_ACTION_TOP = 'Clear';
	const CLOSE_ACTION = 'Close';

	import UIKit
	import MobileCoreServices.UTCoreTypes

	if #available(iOS 14.1, *) {
	let input = Bundle.main.url(forResource: "IMG_0037", withExtension: "HEIC")!
	let output = FileManager().temporaryDirectory.appendingPathComponent("IMG_0037.GAIN_MAP.BMP")
	let source = CGImageSourceCreateWithURL(input as CFURL, nil)!

	// urn:com:apple:photo:2020:aux:hdrgainmap
	let dataInfo = CGImageSourceCopyAuxiliaryDataInfoAtIndex(source, 0, kCGImageAuxiliaryDataTypeHDRGainMap)! as Dictionary

	- (void)application:(UIApplication )application didRegisterForRemoteNotificationsWithDeviceToken:(NSData )deviceToken {
	NSString *tokenString;
	if (@available(iOS 13.0, *)) {
	NSUInteger dataLength = deviceToken.length;
	if (dataLength == 0) {
	return;
	}

	const unsigned char *dataBuffer = deviceToken.bytes;
	NSMutableString hexString = [NSMutableString stringWithCapacity:(dataLength 2)];

	func debounce<T>(delay: TimeInterval, function: @escaping (T) -> Void, complete: @escaping () -> Void = { }) -> (T) -> Void {
	let queue = DispatchQueue(label: "Debouncer")
	var current: DispatchWorkItem?

	return { input in
	current?.cancel()
	let new = DispatchWorkItem {
	function(input)
	complete()
	}