CSV

CSV.swift

func csv(named name: String) -> [[String]]? {
    guard let url: URL = Bundle.main.url(forResource: name, withExtension: "csv") else { return nil }
    return csv(url: url)
}

func csv(url: URL) -> [[String]]? {
    guard let text: String = try? String(contentsOf: url) else { return nil }
    return csv(text: text)
}

func csv(text: String) -> [[String]] {
    let trimmed: String = text.trimmingCharacters(in: .whitespacesAndNewlines)
    let rows: [String] = trimmed.split(whereSeparator: { $0.isNewline }).map({ "\($0)" })
    let table: [[String]] = rows.map({ $0.split(omittingEmptySubsequences: false, whereSeparator: { [",", ";"].contains($0) }).map({ "\($0)" }) })
    return table
}