Convert URLs to md Links

script

function extractUrls(text) {
  // Match anything that looks like a URL up to the first whitespace
  let urlRegex = /(?<!\()https?:\/\/\S+/g;
  return text.match(urlRegex);
}

function extractTitleFromHtml(html) {
  let match = html.match(/<title>(.*?)<\/title>/i);
  return match ? match[1].trim().replace(/\s+/g, ' ') : null;
}

function extractYouTubeTitleFromJson(html) {
  let match = html.match(/"title":"([^"]+?)","lengthSeconds":/);
  return match ? match[1] : null;
}

function processUrls(urls, originalText) {
  let http = HTTP.create();
  let updatedText = originalText;

  for (let url of urls) {
    let title = null;

    if (url.includes("youtu.be") || url.includes("youtube.com")) {
      let resp = http.request({ url: url, method: "GET" });
      if (resp.success) {
        title = extractYouTubeTitleFromJson(resp.responseText);
      }
    }

    // Fallback to normal <title> tag
    if (!title) {
      let resp = http.request({ url: url, method: "GET" });
      if (resp.success) {
        title = extractTitleFromHtml(resp.responseText);
      }
    }

    if (!title) title = "Link";
    updatedText = updatedText.replace(url, `[${title}](${url})`);
  }

  return updatedText;
}

function main() {
  let urls = extractUrls(draft.content);
  if (!urls) {
    alert("No Plain URLs found.");
    context.cancel();
    return;
  }

  draft.content = processUrls(urls, draft.content);
  draft.update();
}

main();