refactor: implement absolute URL resolution for social media meta tags

src/lib/client/resolver.ts

@@ -31,3 +31,39 @@ export default function urlResolve(resolve: ResolveFn, path: string, params?: Re
   }
   return resolve(path);
 }
+
+/**
+ * Resolves a path to an absolute URL by prefixing the site URL.
+ * Required for meta tags like og:image and twitter:image that need absolute URLs.
+ * @param resolve - The resolve function from $app/paths
+ * @param siteUrl - The site URL (e.g., "https://status.example.com")
+ * @param path - The route path or absolute URL
+ * @param params - Optional parameters for dynamic route segments
+ * @returns An absolute URL, or the resolved relative URL if siteUrl is empty
+ *
+ * @example
+ * ```ts
+ * absoluteResolve(resolve, "https://status.example.com", "/uploads/preview.png")
+ * // => "https://status.example.com/uploads/preview.png"
+ * ```
+ */
+export function absoluteResolve(
+  resolve: ResolveFn,
+  siteUrl: string,
+  path: string,
+  params?: Record<string, string>
+): string {
+  // Normalize relative paths like "./assets/..." to "/assets/..." so the
+  // final URL doesn't contain "/./" segments (crawlers don't normalize these)
+  const normalizedPath = path.startsWith("./") ? path.slice(1) : path;
+  const resolved = urlResolve(resolve, normalizedPath, params);
+  // Already absolute, return as-is
+  if (resolved.startsWith("http://") || resolved.startsWith("https://")) {
+    return resolved;
+  }
+  if (!siteUrl) {
+    return resolved;
+  }
+  const trimmedSiteUrl = siteUrl.replace(/\/+$/, "");
+  return trimmedSiteUrl + (resolved.startsWith("/") ? resolved : "/" + resolved);
+}

src/routes/(kener)/+page.svelte

@@ -7,7 +7,7 @@
   import IncidentItem from "$lib/components/IncidentItem.svelte";
   import MaintenanceItem from "$lib/components/MaintenanceItem.svelte";
   import mdToHTML from "$lib/marked.js";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { resolve } from "$app/paths";
   import { selectedTimezone } from "$lib/stores/timezone";
   import { getEndOfDayAtTz } from "$lib/client/datetime";
@@ -136,8 +136,8 @@
   <meta property="og:type" content="website" />
   <meta name="twitter:card" content="summary_large_image" />
   {#if data.socialPagePreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPagePreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPagePreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPagePreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPagePreviewImage)} />
   {/if}
 </svelte:head>
 

src/routes/(kener)/[page_path]/+page.svelte

@@ -7,7 +7,7 @@
   import IncidentItem from "$lib/components/IncidentItem.svelte";
   import MaintenanceItem from "$lib/components/MaintenanceItem.svelte";
   import mdToHTML from "$lib/marked.js";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { resolve } from "$app/paths";
   import { selectedTimezone } from "$lib/stores/timezone";
   import { getEndOfDayAtTz } from "$lib/client/datetime";
@@ -136,8 +136,8 @@
   <meta property="og:type" content="website" />
   <meta name="twitter:card" content="summary_large_image" />
   {#if data.socialPagePreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPagePreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPagePreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPagePreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPagePreviewImage)} />
   {/if}
 </svelte:head>
 

src/routes/(kener)/[page_path]/events/[MMMM]-[YYYY]/+page.svelte

@@ -13,7 +13,7 @@
   import { t } from "$lib/stores/i18n";
   import { formatDate } from "$lib/stores/datetime";
   import { resolve } from "$app/paths";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { format, parse, addMonths, subMonths, getUnixTime, startOfDay, formatDistanceStrict } from "date-fns";
   import { page } from "$app/state";
   import type { IncidentForMonitorListWithComments, MaintenanceEventsMonitorList } from "$lib/server/types/db";
@@ -165,8 +165,8 @@
   <meta property="og:type" content="website" />
   <meta name="twitter:card" content="summary_large_image" />
   {#if data.socialPreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
   {/if}
 </svelte:head>
 

src/routes/(kener)/events/[MMMM]-[YYYY]/+page.svelte

@@ -13,7 +13,7 @@
   import { t } from "$lib/stores/i18n";
   import { formatDate } from "$lib/stores/datetime";
   import { resolve } from "$app/paths";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { format, parse, addMonths, subMonths, getUnixTime, startOfDay, formatDistanceStrict } from "date-fns";
   import { page } from "$app/state";
   import type { IncidentForMonitorListWithComments, MaintenanceEventsMonitorList } from "$lib/server/types/db";
@@ -165,8 +165,8 @@
   <meta property="og:type" content="website" />
   <meta name="twitter:card" content="summary_large_image" />
   {#if data.socialPreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
   {/if}
 </svelte:head>
 

src/routes/(kener)/incidents/[incident_id]/+page.svelte

@@ -12,7 +12,7 @@
   import { SveltePurify } from "@humanspeak/svelte-purify";
   import { t } from "$lib/stores/i18n";
   import { formatDate, formatDuration } from "$lib/stores/datetime";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { page } from "$app/state";
 
   let { data } = $props();
@@ -28,8 +28,8 @@
     <meta property="og:description" content={data.comments[0].comment} />
   {/if}
   {#if data.socialPreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
   {/if}
 </svelte:head>
 

src/routes/(kener)/maintenances/[maintenance_id]/+page.svelte

@@ -15,7 +15,7 @@
   import STATUS_ICON from "$lib/icons";
   import { t } from "$lib/stores/i18n";
   import { formatDate, formatDuration } from "$lib/stores/datetime";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { SveltePurify } from "@humanspeak/svelte-purify";
   import { page } from "$app/state";
 
@@ -73,8 +73,8 @@
     <meta property="og:description" content={data.maintenance.description} />
   {/if}
   {#if data.socialPreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
   {/if}
 </svelte:head>
 

src/routes/(kener)/monitors/[monitor_tag]/+page.svelte

@@ -6,7 +6,7 @@
   import ThemePlus from "$lib/components/ThemePlus.svelte";
   import MonitorOverview from "$lib/components/MonitorOverview.svelte";
   import ArrowUpRight from "@lucide/svelte/icons/arrow-up-right";
-  import clientResolver from "$lib/client/resolver.js";
+  import clientResolver, { absoluteResolve } from "$lib/client/resolver.js";
   import { resolve } from "$app/paths";
   import trackEvent from "$lib/beacon";
   import IncidentItem from "$lib/components/IncidentItem.svelte";
@@ -37,8 +37,8 @@
     <meta property="og:description" content={data.monitorDescription} />
   {/if}
   {#if data.socialPreviewImage}
-    <meta property="og:image" content={clientResolver(resolve, data.socialPreviewImage)} />
-    <meta name="twitter:image" content={clientResolver(resolve, data.socialPreviewImage)} />
+    <meta property="og:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
+    <meta name="twitter:image" content={absoluteResolve(resolve, data.siteUrl, data.socialPreviewImage)} />
   {/if}
 </svelte:head>
 <div class="flex flex-col gap-3">