Twitterの動画URLからサイズを抽出する

interface MediaSize {
  height: number;
  width: number;
}

function extractVideoSize(url: string): MediaSize | undefined {
  const sizeRegex = /\/(\d+)x(\d+)\//;
  const match = url.match(sizeRegex);

  if (match && match[1] && match[2]) {
    const width = parseInt(match[1], 10);
    const height = parseInt(match[2], 10);
    return { width, height };
  }

  return undefined;
}

const inputs = [
  "https://video.twimg.com/ext_tw_video/1111/pu/vid/avc1/1080x1920/1.mp4",
  "https://video.twimg.com/ext_tw_video/1111/pu/pl/1.m3u8"
];

console.log(extractVideoSize(inputs[0]));
// { width: 1080, height: 1920 }

console.log(extractVideoSize(inputs[1]));
// undefined