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1 //
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2 // FileController.swift
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3 // GeoQuiz
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4 //
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5 // Created by Dennis Concepción Martín on 7/9/22.
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6 //
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7
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8 import Foundation
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9
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10 class FileController {
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11 static func load<T: Decodable>(_ filename: String) -> T {
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12 let data: Data
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13
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14 guard let file = Bundle.main.url(forResource: filename, withExtension: nil)
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15 else {
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16 fatalError("Couldn't find \(filename) in main bundle.")
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17 }
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18
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19 do {
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20 data = try Data(contentsOf: file)
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21 } catch {
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22 fatalError("Couldn't load \(filename) from main bundle:\n\(error)")
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23 }
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24
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25 do {
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26 let decoder = JSONDecoder()
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27 return try decoder.decode(T.self, from: data)
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28 } catch {
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29 fatalError("Couldn't parse \(filename) as \(T.self):\n\(error)")
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30 }
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31 }
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32 }
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