Swift 4 codable: the keys are Int array in JSON data

Question

{
  \"0\": {
    \"name\": \"legaldoc.pdf\",
    \"cmisid\": \"yib5C-w92PPtxTBlXl4UJ8oDBthDtAU9mKN5kh2_KrQ\"
  },
  \"1\": {
    \"name\": \"persdoc.pdf\",
    \"cmisi         


        

Answer 1

As mentioned in the comments there is no array. All collection types are dictionaries.

You can decode it as Swift dictionary. To get an array map the result to the values of the sorted keys

let jsonString = """
{
    "0": {
        "name": "legaldoc.pdf",
        "cmisid": "yib5C-w92PPtxTBlXl4UJ8oDBthDtAU9mKN5kh2_KrQ"
    },
    "1": {
        "name": "persdoc.pdf",
        "cmisid": "dqAnrdNMXGTz1RbOMI37OY6tH9xMdxiTnz6wEl2m-VE"
    },
    "2": {
        "name": "certdoc.pdf",
        "cmisid": "6d7DuhldQlnb0JSjXlZb9mMOjxV3E_ID-ynJ0QRPMOA"
    }
}
"""

---

struct Item : Codable {
    let name, cmisid : String
}

---

do {
    let data = Data(jsonString.utf8)
    let result = try JSONDecoder().decode([String: Item].self, from: data)
    let keys = result.keys.sorted()
    let array = keys.map{ result[$0]! }
    print(array)

} catch {
    print(error)
}