From bce557cc2dc767628bed6aac87301a1be7c5431b Mon Sep 17 00:00:00 2001
From: rxliuli <rxliuli@gmail.com>
Date: Tue, 4 Nov 2025 05:03:50 +0800
Subject: init commit

---
 src/components/AppEventDate.svelte | 72 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/components/AppEventDate.svelte

(limited to 'src/components/AppEventDate.svelte')

diff --git a/src/components/AppEventDate.svelte b/src/components/AppEventDate.svelte
new file mode 100644
index 0000000..41ee248
--- /dev/null
+++ b/src/components/AppEventDate.svelte
@@ -0,0 +1,72 @@
+<script lang="ts">
+    import { onMount } from 'svelte';
+    import { fade } from 'svelte/transition';
+    import type { Optional } from '@jet/environment/types/optional';
+    import type { AppEvent } from '@jet-app/app-store/api/models';
+    import { getJet } from '~/jet';
+    import {
+        chooseAppEventDate,
+        renderDate,
+        computeAppEventFormattedDates,
+        type RequiredAppEventFormattedDate,
+    } from '~/jet/utils/app-event-formatted-date';
+
+    const jet = getJet();
+
+    /**
+     * New pattern (*prefered*): accept appEvent object and compute formattedDates on client-side.
+     * This avoids timezone differences in SSR server (UTC) which cause incorrect event date and time.
+     * By computing dates in the browser, we ensure the user sees dates in their local timezone.
+     */
+    export let appEvent:
+        | Pick<AppEvent, 'appEventBadgeKind' | 'startDate' | 'endDate'>
+        | undefined = undefined;
+
+    // Legacy pattern: accept pre-computed formattedDates from Jet
+    export let formattedDates: RequiredAppEventFormattedDate[] | undefined =
+        undefined;
+
+    let appEventDate: Optional<RequiredAppEventFormattedDate>;
+
+    onMount(() => {
+        const dates = appEvent
+            ? computeAppEventFormattedDates(
+                  jet.objectGraph,
+                  appEvent.appEventBadgeKind,
+                  appEvent.startDate,
+                  appEvent.endDate,
+              )
+            : formattedDates;
+
+        if (dates) {
+            appEventDate = chooseAppEventDate(dates);
+        }
+    });
+
+    /**
+     * `Date` instances in the view-model will have been serialized to `string`
+     * instances by ServerKit when delivered to the client; we need to normalize
+     * this so that we have a `string` both client- and server-side.
+     */
+    function normalizeDate(date: Date | string): string {
+        return typeof date === 'string' ? date : date.toISOString();
+    }
+</script>
+
+{#if appEventDate}
+    <time
+        transition:fade={{ duration: 210 }}
+        datetime={appEventDate.displayFromDate &&
+            normalizeDate(appEventDate.displayFromDate)}
+    >
+        {renderDate(jet.objectGraph.loc, appEventDate)}
+    </time>
+{:else}
+    <span aria-hidden="true">&hellip;</span>
+{/if}
+
+<style>
+    span {
+        color: transparent;
+    }
+</style>
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