simple jest viewport resizer

jest-resizer.ts

/** note: jest global.innerWidth defaults to 1024px  */
const resizeJestViewport = (breakpoint: Breakpoints) => {
  act(() => {
    let width;
    switch (breakpoint) {
      case "desktop":
        width = 1200;
        break;
      case "tablet":
        width = 768;
        break;
      case "mobile":
        width = 500;
        break;
      default:
        width = 1024;
    }
    global.innerWidth = width;
    global.dispatchEvent(new Event("resize"));
  });
};