Migrated components to Svelte 5 runes and fixed tooltip

src/lib/components/StationList.svelte

@@ -2,7 +2,7 @@
   import StationRow from './StationRow.svelte';
   import groups from '$lib/groups.json';
 
-  export let stations = [];
+  let { stations = [] } = $props();
 
   // Set per lookup O(1): con molte centraline, includes() su array per ogni riga sarebbe O(n²).
   const groupedIds = new Set(groups.flatMap(g => g.ids));
@@ -16,7 +16,7 @@
     });
   }
 
-  const sections = [
+  const sections = $derived([
     ...groups.map(g => ({
       name: g.name,
       stations: sortStations(stations.filter(s => g.ids.includes(s.pk))),
@@ -25,7 +25,7 @@
       name: 'Altre',
       stations: sortStations(stations.filter(s => !groupedIds.has(s.pk))),
     },
-  ].filter(s => s.stations.length > 0);
+  ].filter(s => s.stations.length > 0));
 </script>
 
 <div class="content">

src/lib/components/StationRow.svelte

@@ -5,9 +5,7 @@
   import { downloadCsv, buildFilename } from '$lib/csv.js';
   import { enqueue } from '$lib/download-pool.js';
 
-  export let station;
-
-  const isActive = station.ended_at === null;
+  let { station } = $props();
 
   const formatDate = d => new Intl.DateTimeFormat('it-IT', {
     timeZone: 'Europe/Rome',
@@ -16,18 +14,18 @@
     year: 'numeric',
   }).format(new Date(d));
 
-  const createdDate = formatDate(station.created_at);
-  const endDate = isActive ? null : formatDate(station.ended_at);
+  const isActive = $derived(station.ended_at === null);
+  const createdDate = $derived(formatDate(station.created_at));
+  const endDate = $derived(isActive ? null : formatDate(station.ended_at));
 
-  let showTooltip = false;
-  let downloading = false;
-  let cancelling = false;
-  let completed = false;
+  let downloading = $state(false);
+  let cancelling = $state(false);
+  let completed = $state(false);
   let controller = null;
-  let currentDay = 0;
-  let totalDays = 0;
+  let currentDay = $state(0);
+  let totalDays = $state(0);
 
-  $: pct = totalDays > 0 ? (currentDay / totalDays) * 100 : 0;
+  let pct = $derived(totalDays > 0 ? (currentDay / totalDays) * 100 : 0);
 
   async function startDownload() {
     const { buildCsvAsync } = await import('$lib/csv-pool.js');
@@ -94,15 +92,9 @@
   <div class="right">
     <span class="date">Attivata il {createdDate}</span>
     <span class="sep">·</span>
-    <span
-      class="status"
-      class:active={isActive}
-      class:ended={!isActive}
-      on:mouseenter={() => showTooltip = true}
-      on:mouseleave={() => showTooltip = false}
-    >
+    <span class="status" class:active={isActive} class:ended={!isActive}>
       {isActive ? 'Attiva' : 'Terminata'}
-      {#if !isActive && showTooltip}
+      {#if !isActive}
         <span class="tooltip">Terminata il {endDate}</span>
       {/if}
     </span>
@@ -110,7 +102,7 @@
     <button
       type="button"
       title={downloading ? 'Annulla' : 'Scarica CSV'}
-      on:click={downloading ? cancel : startDownload}
+      onclick={downloading ? cancel : startDownload}
       class:downloading
       class:completed
     >
@@ -147,7 +139,6 @@
 <style>
   .card {
     position: relative;
-    overflow: hidden;
     background: var(--surface);
     border: 1px solid var(--border);
     border-radius: 14px;
@@ -277,7 +268,8 @@
   .tooltip {
     position: absolute;
     bottom: calc(100% + 16px);
-    right: 0;
+    left: 50%;
+    transform: translateX(-50%);
     background: var(--surface);
     color: var(--text);
     border: 1px solid var(--border);
@@ -288,13 +280,20 @@
     padding: 0.45em 0.9em;
     border-radius: 8px;
     pointer-events: none;
+    opacity: 0;
+    transition: opacity 0.15s;
+  }
+
+  .status:hover .tooltip {
+    opacity: 1;
   }
 
   .tooltip::after {
     content: '';
     position: absolute;
     top: 100%;
-    right: 1rem;
+    left: 50%;
+    transform: translateX(-50%);
     border: 6px solid transparent;
     border-top-color: var(--border);
   }
@@ -306,6 +305,8 @@
     right: 0;
     height: 3px;
     background: var(--border);
+    border-radius: 0 0 14px 14px;
+    overflow: hidden;
   }
 
   .bar {

src/routes/+page.svelte

@@ -1,7 +1,7 @@
 <script>
   import StationList from '$lib/components/StationList.svelte';
 
-  export let data;
+  let { data } = $props();
 </script>
 
 <div class="page">

svelte.config.js

@@ -2,6 +2,9 @@ import adapter from '@sveltejs/adapter-auto';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
+	compilerOptions: {
+		runes: true,
+	},
 	kit: {
 		adapter: adapter()
 	}