chosa91

import Combine

extension Publisher {
    func withInitialValue(_ value: Output) -> AnyPublisher<Output, Failure> {
        merge(with: Just(value).setFailureType(to: Failure.self)).eraseToAnyPublisher()
    }
}

chosa91

// Source: https://twitter.com/NSExceptional/status/1383665312684335105

// MARK: - Helpers

extension UnsafePointer {

    var raw: UnsafeRawPointer {
        return UnsafeRawPointer(self)
    }

chosa91

The week of practicing "#fail-early" & "#fail-often"

Main-plan: Fullstory iOS Integration

TL;DR

PRO plan not pro enough (doesn't include the mobile add-on)

But... the technical support is quick and helpful.

chosa91

/*
 GOAL: 
 - UICollectionViewCompositionalLayout multi column layout with auto-sizing cells where each cell has the same height in a given row (uses the max cell height in a row)
 REALITY:
 - The groups aren't filled :/
*/

import Foundation
import UIKit

chosa91

# A Best in Class Checklist
A boiled down checklist adapted from this [post](https://www.swiftjectivec.com/a-best-in-class-app/), created by @jordanmorgan10.

> To use this, create a Github Issue in your own repo, and simply copy and paste this text.

## iOS Core Technology
_Things any iOS app can benefit from_

- [ ] iCloud Sync
- [ ] [Core Spotlight integration](https://github.com/DreamingInBinary/Spend-Stack/issues/120)

chosa91

import UIKit

// Source: https://sarunw.com/posts/match-view-shadow-to-sketch-shadow/

extension UIView {
    func applySketchShadow(
        color: UIColor = .black,
        alpha: Float = 0.2,
        x: CGFloat = 0,
        y: CGFloat = 2,

chosa91

import Foundation
import UIKit

// Source: https://www.swiftbysundell.com/articles/published-properties-in-swift/

// MARK: - List

struct List<Value> {
    private(set) var firstNode: Node?
    private(set) var lastNode: Node?

chosa91

extension FileManager {
    /*
        Prints out the locations of the simulator and the shared group folder.
        This is useful for debugging file issues.

        Example usage: FileManager.default.printFileLocations()
     */
    func printFileLocations() {
        let paths = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)
        let simulatorFolder = paths.last!

chosa91

// Avoids the keyboard in a UIKit app by leveraging additionalSafeAreaInsets.
// You can put this in the root view controller so the whole app will avoid the keyboard.
// Only tested on iOS 13.3.
// Made for https://douglashill.co/reading-app/
@objc func updateSafeAreaForKeyboardFromNotification(_ notification: Notification) {
    guard let endFrameInScreenCoords = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else {
        return
    }

    // Please consider whether the force unwrap here is safe for your own use case.

chosa91

@discardableResult
public func with<T>(_ value: T, _ builder: (T) -> Void) -> T {
    builder(value)
    return value
}

@discardableResult
public func with<T>(_ value: T, _ builder: (T) throws -> Void ) rethrows -> T {
    try builder(value)
    return value