spotify selectors

getArtistName(currentTabId, callback) {
    chrome.tabs.executeScript(
      currentTabId,
      { code: `document.querySelector('.now-playing span a[href^="/artist/"]').innerText` }, 
      callback
    );
  }
  
  getSongName(currentTabId, callback) {
    chrome.tabs.executeScript(
      currentTabId,
      { code: `document.querySelector('.now-playing span a[href^="/album/"]').innerText` },
      callback
    );
  }

  clickNext(currentTabId, callback) {
    let query = '#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button.spoticon-skip-forward-16';
    chrome.tabs.executeScript(
      currentTabId,
      { code: `document.querySelector('${query}').click()` },
      callback
    );
  }
  
  clickPrev(currentTabId, callback) {
    let query = '#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button.spoticon-skip-back-16';
    chrome.tabs.executeScript(
      currentTabId,
      { code: `document.querySelector('${query}').click()` },
      callback
    );
  }