nullobject

ffmpeg -y -f alsa -thread_queue_size 1024 -i hw:2 -f v4l2 -thread_queue_size 1024 -i /dev/video-hdmi-capture -c:v libx264 -pix_fmt yuv420p -r 60 -c:a aac -ac 2 -ar 48000 lol.mp4

nullobject

import { act, render, screen } from "@testing-library/react"
import { List } from "./List"

type IntersectFn = (entries: any[]) => void

function mockIntersectionObserver(): [
  jest.MockedObject<IntersectionObserver>,
  IntersectFn
] {
  let intersectionObserverCallback: IntersectFn = () => {}