scrapVideo.js

javascript:(function(){
  let comment = 'See https://gist.github.com/nekketsuuu/49f23f084ff0342a08233cf00588887e';

  const patIsYouTube = new RegExp(/youtube\.com/);
  const patIsNiconico = new RegExp(/nicovideo\.jp/);
  if (patIsYouTube.test(document.URL)) {
    const apiKey = 'YOUR_API_KEY_HERE';
    const title = document.title.replace(/ - YouTube$/, '').trim();
    let link = '';
    let date = '';
    let name = '';
    const patIsLive = new RegExp(/\/live$/);
    if (patIsLive.test(document.URL)) {
      const channelId = document.URL.match(/^https?\:\/\/www\.youtube\.com\/channel\/([^\/]+)\/.*/)[1];
      if (!channelId) {
        console.log('Error: channelId is empty');
        return;
      }
      const getUrl = 'https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=' + channelId + '&type=video&eventType=live&key=' + apiKey;
      const xmlHttp = new XMLHttpRequest;
      xmlHttp.open('GET', getUrl, false);
      xmlHttp.send(null);
      result = JSON.parse(xmlHttp.responseText);
      if (!result.items[0].snippet.liveBroadcastContent) {
        console.log('Error: liveBroadcastContent is false or null');
        return;
      }
      comment = 'tenuki';
      link = '[https://www.youtube.com/watch?v=' + result.items[0].id.videoId + ']';
      let rawDate = new Date(result.items[0].snippet.publishedAt);
      let mn = rawDate.getMonth() + 1;
      let ms = '';
      if (mn < 10) {
        ms = '0' + mn;
      } else {
        ms = '' + mn;
      }
      let dn = rawDate.getDate();
      let ds = '';
      if (dn < 10) {
        ds = '0' + dn;
      } else {
        ds = '' + dn;
      }
      date = '[' + rawDate.getFullYear() + '-' + ms + ']-' + ds;
      name = result.items[0].snippet.channelTitle;
    } else {
      const patToTrimURL = new RegExp(/^https?\:\/\/www\.youtube\.com\/watch\?v=[^&#]+/);
      link = '[' + patToTrimURL.exec(document.URL)[0] + ']';
      const preVideoId = document.URL.match(/watch\?v=([^&#]+).*/);
      if (preVideoId) {
        const videoId = preVideoId[1];
        const getUrl = 'https://www.googleapis.com/youtube/v3/videos?part=id%2C+snippet&id=' + videoId + '&key=' + apiKey;
        const xmlHttp = new XMLHttpRequest;
        xmlHttp.open('GET', getUrl, false);
        xmlHttp.send(null);
        result = JSON.parse(xmlHttp.responseText);
        if (!result.items[0].snippet) {
          console.log('Error: snippet is not found');
          return;
        }
        comment = 'tenuki';
        let rawDate = new Date(result.items[0].snippet.publishedAt);
        let mn = rawDate.getMonth() + 1;
        let ms = '';
        if (mn < 10) {
          ms = '0' + mn;
        } else {
          ms = '' + mn;
        }
        let dn = rawDate.getDate();
        let ds = '';
        if (dn < 10) {
          ds = '0' + dn;
        } else {
          ds = '' + dn;
        }
        date = '[' + rawDate.getFullYear() + '-' + ms + ']-' + ds;
        name = result.items[0].snippet.channelTitle;
      }
    }
    if (link !== '') { link = link + '\n\n'; }
    if (date !== '') { date = date + '\n'; }
    if (name !== '') { name = '#' + name + '\n'; }
    const openUrl = 'https://scrapbox.io/nekketsuuu-private/' + encodeURIComponent(title) + '?body=' + encodeURIComponent(link + date + name + '\n');
    window.open(openUrl);
  } else if (patIsNiconico.test(document.URL)) {
    let title = document.title.replace(/- ニコニコ動画/, '').replace(/- ニコニコ生放送/, '').trim();
    let link = document.URL.replace(/#.*$/).replace(/\?.*$/).trim();
    let today = new Date();
    let mn = today.getMonth() + 1;
    let ms = '';
    if (mn < 10) {
      ms = '0' + mn;
    } else {
      ms = '' + mn;
    }
    let dn = today.getDate();
    let ds = '';
    if (dn < 10) {
      ds = '0' + dn;
    } else {
      ds = '' + dn;
    }
    let date = '[' + today.getFullYear() + '-' + ms + ']-' + ds;
    if (link !== '') { link = link + '\n\n'; }
    if (date !== '') { date = date + '\n'; }
    const openUrl = 'https://scrapbox.io/nekketsuuu-private/' + encodeURIComponent(title) + '?body=' + encodeURIComponent(link + date + '\n');
    window.open(openUrl);
  } else {
    console.log('Cannot recognize this website: ' + document.URL);
  }
})();