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SwiftData Updates - Part 1: Mock JSON Data and PreviewModifier

This year at WWDC and iOS 18, we got some new features in Xcode and Swift that are making our lives as developers a bit better. We got a new Preview modifier and some new features for Core Data. I this series, I am going to show you some of those new features. In this, the first of two videos, I am going to show you how you can build a JSON file representing Mock Data and import it into a SwiftData models in an in Memory container that has both one to many and many to many relationship. Then we will build a preview modifier that will allow us to use that mock data in any one of our 4 views to display sample data. If you want to support my work, you can buy me a coffee :)  https://ko-fi.com/stewartlynch  ******* Download my StewartLynch YouTube Channel Application - Free **********  https://stewartlynch.gumroad.com/l/obsjz Table of Contents:  0:00  Introduction 1:36 Series Overview 4:42 Import Model 11:31 Creating JSON 15:48 Validating JSON 18:40 PreviewModifier for MockData  Starter Project Files:  https://github.com/StewartLynch/Swift... Completed Project:  https://github.com/StewartLynch/Swift... Part 2:    • SwiftData Updates   Part 2:  Dynamic ...   References mentioned in video:  Core Data Playlist:    • SwiftData   JSONLint Website https://jsonlint.com Sample JSON gist https://gist.github.com/StewartLynch/... Preview Updates in Xcode 16    • Preview Updates in Xcode 16   Recommended Resources:  RocketSim - Build Apps Faster     https://gumroad.com/a/122988499/ftvbh  BigMountain Studio Books  SwiftData Mastery in SwiftUI     https://www.bigmountainstudio.com/swi... SwiftUI Views Mastery     https://www.bigmountainstudio.com/vie... SwiftUI 5 Book Bundle     https://www.bigmountainstudio.com/boo... Combine Mastery in SwiftUI     https://www.bigmountainstudio.com/com... Core Data Mastery in SwiftUI     https://www.bigmountainstudio.com/cor... SwiftUI Animations Mastery     https://www.bigmountainstudio.com/ani... Other References:  Stewart Lynch's YouTube Channel:        / @stewartlynch    Stewart Lynch on Mastodon:     https://iosdev.space/@StewartLynch  Stewart Lynch On Threads:     @StewartLynch  Stewart Lynch on X:     https://x.com/StewartLynch  Stewart Lynch on LinkedIn       / stewartlynch