schabluk

// Delaying response
let delay = time => result => new Promise(resolve => setTimeout(() => resolve(result), time))

const result = await fetch(endpoint).then(delay(1000)).then(data => data.json())

// Mocking Fetch

window.fetch = function () {
  const body = { hello: "world" }
  const blob = new Blob([JSON.stringify(body, null, 2)], { type : 'application/json' })