platypush_play_on_chromecast.js

async (app, host, browser, tab, target, ...args) => {
  let url = null;
  const baseURL = await app.getURL();

  if (target) {
    switch (target.tagName.toLowerCase()) {
      case 'img':
        url = target.attributes.src.value;
        break;
      case 'a':
        url = target.attributes.href.value;
    }

    if (!url && url.length) {
      const src = target.querySelector('source,img');
      const link = target.querySelector('a');

      if (src) {
        url = src.attributes.src.value;
      } else if (link) {
        url = src.attributes.href.value;
      } else {
        url = null;
      }
    }
  }

  if (!url) {
    if (tab) {
      url = tab.url;
    } else {
      url = baseURL;
    }
  }

  if (!url.match('^https?://[^/]+') && !url.startsWith('magnet:?')) {
    url = baseURL.match('(^https?://[^/]+)')[1] + (url || '');
  }

  await app.run({
    name: 'media.chromecast.play',
    args: {
      resource: url,
    }
  }, host);
}