AutoScrollPDF/managed.js at master · Always1010/AutoScrollPDF · GitHub

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/* update prefs from the managed storage */
{
  const once = () => {
    if (once.done) {
      return;
    }
    once.done = true;

    chrome.storage.managed.get(null, rps => {
      if (chrome.runtime.lastError) {
        return;
      }
      if ('guid' in rps) {
        chrome.storage.local.get({
          guid: ''
        }, prefs => {
          if (prefs.guid !== rps.guid) {
            chrome.storage.local.set(rps, () => {
              console.info('Managed preferences are applied');
            });
          }
        });
      }
      else {
        if (Object.getOwnPropertyNames(rps).length) {
          console.info('Managed preferences are ignored. Please set "guid"');
        }
      }
    });
  };

  chrome.runtime.onStartup.addListener(once);
  chrome.runtime.onInstalled.addListener(once);
}