Function queueTask

src/hovercard.js:33–39

(fn)

  let taskQueue = []

  function queueTask (fn) {
    if (!taskQueue.length) {
      scheduleRunTaskQueue()
    }

    taskQueue.push(fn)
  }

  function runTaskQueue (deadline) {
    while (deadline.timeRemaining() > 0 && taskQueue.length) {