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We conclude the series by taking control of the last two dependencies: persistence and speech recognition. We’ll make use of even more features of our new Dependencies library and we’ll write tests for our features that would have been impossible before.
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We can make all of this much better if we finally take control over our dependency on the file system. In particular, the saving and loading of data to the file system.
Our Dependencies library does not come with such a client immediately available to us, but it is quite easy to create. This will give us a chance to show off how one registers a new dependency with the library so that it is immediately available everywhere via the @Dependency property wrapper.
Learn the essentials of iOS app development by building a fully functional app using SwiftUI.
A rebuild of Apple’s “Scrumdinger” application that demosntrates how to build a complex, real world application that deals with many forms of navigation (e.g., sheets, drill-downs, alerts), many side effects (timers, speech recognizer, data persistence), and do so in a way that is testable and modular.
Custom Dump is one of our open source projects. It provides a collection of tools for debugging, diffing, and testing your application’s data structures.
A library we open sourced. Tools for making SwiftUI navigation simpler, more ergonomic and more precise.
An open source library that provides schedulers for making Combine more testable and more versatile.
CasePaths is one of our open source projects for bringing the power and ergonomics of key paths to enums.
An open source library of ours. A few clocks that make working with Swift concurrency more testable and more versatile.
An open source library of ours. A dependency management library inspired by SwiftUI’s “environment.”
Identified Collections is our open source library that provides an ergonomic, performant way to manage collections of identifiable data, and fits in perfectly with SwiftUI.
Tagged is one of our open source projects for expressing a way to distinguish otherwise indistinguishable types at compile time.
XCTest Dynamic Overlay is a library we wrote that lets you write test helpers directly in your application and library code.
These packages are available as a package collection, usable in Xcode 13 or the Swift Package Manager 5.5.
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