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annotate Simoleon/Functions/Read.swift @ 150:6eac99e99b96

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Add error handling to read json function
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Thu, 19 Aug 2021 19:12:56 +0100
parents Simoleon/Functions/ParseJson.swift@75c1a05176f6
children
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1 //
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2 // ParseJson.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 11/07/2021.
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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
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11 // Read JSON File
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12 func read<T: Decodable>(json filename: String) throws -> T {
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13 let data: Data
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15 guard let file = Bundle.main.url(forResource: filename, withExtension: nil)
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16 else {
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17 throw JsonErrors.fileMissing
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18 }
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19
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20 do {
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21 data = try Data(contentsOf: file)
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22 } catch {
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23 throw JsonErrors.loadFailed(cause: error.localizedDescription)
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24 }
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25
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26 do {
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27 let decoder = JSONDecoder()
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28 return try decoder.decode(T.self, from: data)
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29 } catch {
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30 throw JsonErrors.parseFailed(cause: error.localizedDescription)
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31 }
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32 }