Async network download

download.js

let sketch = require('sketch')
var fiber = require('sketch/async').createFiber()

var url = NSURL.URLWithString("https://github.com/KevinGutowski/Testing/raw/main/Test.sketch")
let session = NSURLSession.sharedSession()

let block = __mocha__.createBlock_function('v32@?0@"NSURL"8@"NSURLResponse"16@"NSError"24', (url,response,error) => {
    try {
        let docError = MOPointer.alloc().init()
        var newDocument = MSDocument.alloc().init();
        newDocument.readFromURL_ofType_error(url,"com.bohemiancoding.sketch.drawing", docError);
        console.log(sketch.fromNative(newDocument))
    } catch(e) {
      console.log(e)
    }
    fiber.cleanup()
  }
))

let downloadTask = session.downloadTaskWithURL_completionHandler(url,block)
downloadTask.resume()