Format JSON into Label

FileManager.swift

import UIKit

class FileManager {
    static func decodeJSON<T: Decodable>(fileName: String?, subdirectory: String?) -> T? {
        guard let filename = fileName else { return nil }
        if filename.isEmpty { return nil }
        let decoder = JSONDecoder()
        guard
            let url = Bundle.main.url(forResource: filename, withExtension: "json", subdirectory: subdirectory),
            let data = try? Data(contentsOf: url),
            let decodedObject = try? decoder.decode(T.self, from: data)
        else {
            return nil
        }

        return decodedObject
    }
}

Line.swift

class Line: Codable {
    var punjabi: String
    var translit: String
    var english: String    
}

ViewController.swift

class ViewController.: UICollectionViewDataSource, UICollectionViewDelegate {
    var lineList = [Line]()
  
     override func viewDidLoad() {
        super.viewDidLoad()
        guard let lineList: [Line] = FileManager.decodeJSON(fileName: "myfile", subdirectory: "rootFolder") else {
          print("Error! loading file")
          return
        }
       self.lineList = lineList
     }
  
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return lineList.count
    }

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeue(ReadingCollectionViewCell.self, indexPath) // custom extension generic dequeue
        let line = lineList[indexPath.row]
        // ReadingCollectionViewCell contains all your labels & buttons. Use the line object to setup each UI element
        cell.setup(line: line)
        return cell
    }
  
}