Function viewport

src/media-query.test.ts:477–482

(width: number, height: number, zoom: number = 1)

test('matchMedia()', () => {
  const defaultRootFontSizePx = 16;
  const viewport = (width: number, height: number, zoom: number = 1) =>
    ({
      viewportWidth: width / zoom,
      viewportHeight: height / zoom,
      viewportZoom: zoom,
    } as const);

  const screen = (
    viewport: Pick<