sub-packs/themes/zealder-default-theme/src/redux/actions/pages.js
function shouldFetchContents(state, scsId) {
  const page = state.pages[scsId];
  if (page.contents.length === 0) {
    return true
  } else if (page.isFetching) {
    return false
  } else {
    return page.didInvalidate
  }
}
function shouldFetchContents(state, scsId) {
  const page = state.pages[scsId];
  if (page.contents.length === 0) {
    return true
  } else if (page.isFetching) {
    return false
  } else {
    return page.didInvalidate
  }
}
determine if contents for a page already exist