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/utils/video-poster.ts | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/utils/video-poster.ts

(limited to 'src/utils/video-poster.ts')

diff --git a/src/utils/video-poster.ts b/src/utils/video-poster.ts
new file mode 100644
index 0000000..e2e32ed
--- /dev/null
+++ b/src/utils/video-poster.ts
@@ -0,0 +1,27 @@
+import type { Artwork } from '@jet-app/app-store/api/models';
+import type { Profile } from '@amp/web-app-components/src/components/Artwork/types';
+import type { Size } from '@amp/web-app-components/src/types';
+import type { NamedProfile } from 'src/config/components/artwork';
+import { buildSrc } from '@amp/web-app-components/src/components/Artwork/utils/srcset';
+import { getDataFromProfile } from '@amp/web-app-components/src/components/Artwork/utils/artProfile';
+
+export const buildPoster = (
+    preview: Artwork,
+    profile: NamedProfile | Profile,
+    mediaQuery: string,
+): ReturnType<typeof buildSrc> => {
+    const profileData = getDataFromProfile(profile);
+    const imageAttributes = profileData[mediaQuery as Size] || preview;
+    const dpr = typeof window !== 'undefined' ? window.devicePixelRatio : 2;
+
+    return buildSrc(
+        preview.template,
+        {
+            crop: 'sr',
+            width: imageAttributes.width * dpr,
+            height: imageAttributes.height * dpr,
+            fileType: 'webp',
+        },
+        {},
+    );
+};
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