app/Resources/static/themes/_global/js/tools.js

   1 import $ from 'jquery';
   2 import './shortcuts/main';
   3 import './shortcuts/entry';
   4
   5 /* Allows inline call qr-code call */
   6 import jrQrcode from 'jr-qrcode'; // eslint-disable-line
   7
   8 function supportsLocalStorage() {
   9   try {
  10     return 'localStorage' in window && window.localStorage !== null;
  11   } catch (e) {
  12     return false;
  13   }
  14 }
  15
  16 function savePercent(id, percent) {
  17   if (!supportsLocalStorage()) { return false; }
  18   localStorage[`wallabag.article.${id}.percent`] = percent;
  19   return true;
  20 }
  21
  22 function retrievePercent(id) {
  23   if (!supportsLocalStorage()) { return false; }
  24
  25   const bheight = $(document).height();
  26   const percent = localStorage[`wallabag.article.${id}.percent`];
  27   const scroll = bheight * percent;
  28
  29   $('html,body').animate({ scrollTop: scroll }, 'fast');
  30
  31   return true;
  32 }
  33
  34 export { savePercent, retrievePercent };