Created
April 29, 2023 23:15
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extension Bundle { | |
func decode<T: Decodable>(_ type: T.Type, from file: String, dateDecodingStrategy: JSONDecoder.DateDecodingStrategy = .deferredToDate, keyDecodingStrategy: JSONDecoder.KeyDecodingStrategy = .useDefaultKeys) -> T { | |
guard let url = self.url(forResource: file, withExtension: nil) else { | |
fatalError("Failed to locate \(file) in bundle.") | |
} | |
guard let data = try? Data(contentsOf: url) else { | |
fatalError("Failed to load \(file) from bundle.") | |
} | |
let decoder = JSONDecoder() | |
decoder.dateDecodingStrategy = dateDecodingStrategy | |
decoder.keyDecodingStrategy = keyDecodingStrategy | |
do { | |
return try decoder.decode(T.self, from: data) | |
} catch DecodingError.keyNotFound(let key, let context) { | |
fatalError("Failed to decode \(file) from bundle due to missing key '\(key.stringValue)' not found – \(context.debugDescription)") | |
} catch DecodingError.typeMismatch(_, let context) { | |
fatalError("Failed to decode \(file) from bundle due to type mismatch – \(context.debugDescription)") | |
} catch DecodingError.valueNotFound(let type, let context) { | |
fatalError("Failed to decode \(file) from bundle due to missing \(type) value – \(context.debugDescription)") | |
} catch DecodingError.dataCorrupted(_) { | |
fatalError("Failed to decode \(file) from bundle because it appears to be invalid JSON") | |
} catch { | |
fatalError("Failed to decode \(file) from bundle: \(error.localizedDescription)") | |
} | |
} | |
} |
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