PUT request using Fetch about javascriptkit HOT 2 CLOSED

import Foundation
import JavaScriptEventLoop
import JavaScriptKit

JavaScriptEventLoop.installGlobalExecutor()

struct Body: Codable {
  let x: Int
  let y: String
}

private let jsFetch = JSObject.global.fetch.function!
func fetch(_ url: String, _ options: [String: JSValue]) async throws -> JSValue {
  try await JSPromise(jsFetch(url, options).object!)!.value
}

let encoder = JSONEncoder()
let decoder = JSValueDecoder()

func post<Body: Codable>(_ url: String, _ body: Body) async throws -> Body {
  let data = try encoder.encode(body)
  let response = try await fetch(
    url,
    [
      "method": "POST",
      "headers": ["Content-Type": "application/json"].jsValue,
      "redirect": "follow",
      "body": String(data: data, encoding: .utf8)!.jsValue,
    ]
  ).object!
  let json = try await JSPromise(response.json!().object!)!.value
  return try decoder.decode(Body.self, from: json.object!.json)
}