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* ES6 all the things !

* ESLint checks everything

* CSS fixes (use stylelint)

* Fix #2231

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

@@ -0,0 +1,50 @@
+const $ = require('jquery');
+
+function supportsLocalStorage() {
+  try {
+    return 'localStorage' in window && window.localStorage !== null;
+  } catch (e) {
+    return false;
+  }
+}
+
+function savePercent(id, percent) {
+  if (!supportsLocalStorage()) { return false; }
+  localStorage[`wallabag.article.${id}.percent`] = percent;
+  return true;
+}
+
+function retrievePercent(id) {
+  if (!supportsLocalStorage()) { return false; }
+
+  const bheight = $(document).height();
+  const percent = localStorage[`wallabag.article.${id}.percent`];
+  const scroll = bheight * percent;
+
+  $('html,body').animate({ scrollTop: scroll }, 'fast');
+
+  return true;
+}
+
+function initFilters() {
+  // no display if filters not available
+  if ($('div').is('#filters')) {
+    $('#button_filters').show();
+    $('.button-collapse-right').sideNav({ edge: 'right' });
+    $('#clear_form_filters').on('click', () => {
+      $('#filters input').val('');
+      $('#filters :checked').removeAttr('checked');
+      return false;
+    });
+  }
+}
+
+function initExport() {
+  // no display if export not available
+  if ($('div').is('#export')) {
+    $('#button_export').show();
+    $('.button-collapse-right').sideNav({ edge: 'right' });
+  }
+}
+
+export { savePercent, retrievePercent, initFilters, initExport };