Function to Randomize Recipe

Data.swift

import Foundation

public var recipeData: [RecipeBaseClass]? = loadJsonFromFile()

// load dummy data from json file
func loadJsonFromFile(fileName: String = "Recipes") -> [RecipeBaseClass]? {
    // ...
    
}

public func getRandomRecipe() -> RecipeBaseClass? {
    guard !(recipeData?.isEmpty ?? true) else {
        return nil
    }
    let randomIndex = Int.random(in: 0..<(recipeData?.count ?? 0))
    return recipeData?[randomIndex]
}