Add tooltips in FilterBar

src/TriStateCheckbox.svelte

@@ -26,7 +26,7 @@
   $: chevron = collapsed ? 'chevron-expand' : 'chevron-contract';
 </script>
 
-<span class="cal w-100 d-block" on:click={handleClick}>
+<span title={value} class="cal w-100 d-block" on:click={handleClick}>
   <Icon name={icon} class="ms-2" />
   <span class="ms-1 d-inline-block cal-title">{value}</span>
   <span class="float-end">

src/calendar.js

@@ -1,4 +1,5 @@
 import STATIC_LOCATIONS from './static-ens-locations.json'
+import ICAL from 'ical.js'
 
 // https://stackoverflow.com/a/35970186
 function invertColor(hex) {
@@ -208,7 +209,9 @@ function mkExportUrl(id, { cloud }) {
 
 function fetchCalendar(id, cal, extra = {}) {
   return fetch(mkCalendarUrl(id, cal, extra), { credentials: 'omit' })
-    .then(resp => resp.json())
+    .then( cal.isICS
+      ? resp => resp.text().then(text => ICAL.parse(text))
+      : resp => resp.json())
     .catch(err => console.error(err))
 }