Function get

src/background/sync/base.js:95–99

(key, def)

function initConfig() {
  function get(key, def) {
    const keys = normalizeKeys(key);
    keys.unshift('sync');
    return getOption(keys) ?? def;
  }
  function set(key, value) {
    const keys = normalizeKeys(key);
    keys.unshift('sync');