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feat: image optimization — client-side resize + server-side thumbnails

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Avatars/banners now resize to max 512px/1920px and convert to WebP before
upload (zero server cost). Chat image uploads generate an 800px-wide WebP
thumbnail via Sharp; the feed shows the thumbnail, click opens the full-res
original. Adds lazy loading to avatars. Federation-compatible: remote
instances without this feature fall back gracefully.
This commit is contained in:
Jannis Braun
2026-03-13 16:44:14 +01:00
parent 12b450b7b9
commit 3e97c2b0f5
19 changed files with 449 additions and 20 deletions
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packages/web/src/utils/assetUrls.ts
+7 -1
View File
@@ -43,7 +43,7 @@ export function normalizeUserAssets<T extends { avatar?: string | null; banner?:
* Rewrite user.avatar and attachment filenames on a message for remote origins.
* Also normalizes nested replyTo message assets. Mutates in-place.
*/
export function normalizeMessageAssets<T extends { user: { avatar?: string | null }; attachments?: { filename: string }[]; replyTo?: { user: { avatar?: string | null }; attachments?: { filename: string }[] } | null }>(
export function normalizeMessageAssets<T extends { user: { avatar?: string | null }; attachments?: { filename: string; thumbnailFilename?: string | null }[]; replyTo?: { user: { avatar?: string | null }; attachments?: { filename: string; thumbnailFilename?: string | null }[] } | null }>(
message: T,
origin: string,
): T {
@@ -52,6 +52,9 @@ export function normalizeMessageAssets<T extends { user: { avatar?: string | nul
if (message.attachments) {
for (const att of message.attachments) {
att.filename = resolveAssetUrl(att.filename, origin) ?? att.filename;
if (att.thumbnailFilename) {
att.thumbnailFilename = resolveAssetUrl(att.thumbnailFilename, origin) ?? att.thumbnailFilename;
}
}
}
// Normalize reply-to message assets (remote replies have relative URLs)
@@ -60,6 +63,9 @@ export function normalizeMessageAssets<T extends { user: { avatar?: string | nul
if (message.replyTo.attachments) {
for (const att of message.replyTo.attachments) {
att.filename = resolveAssetUrl(att.filename, origin) ?? att.filename;
if (att.thumbnailFilename) {
att.thumbnailFilename = resolveAssetUrl(att.thumbnailFilename, origin) ?? att.thumbnailFilename;
}
}
}
}