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Introduce "blurhash"-like functionality using NextJS-builtin "placeholder" functionality. #74

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Introduce "blurhash"-like functionality using NextJS-builtin "placeholder" functionality. #74

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2cb1556
Introduce PotatoWebp
Jontes-Tech Apr 26, 2024
3180d49
Small bugfix
Jontes-Tech Apr 26, 2024
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4 changes: 4 additions & 0 deletions blog/app/metadata/[slug]/route.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,10 @@ export async function GET(_request: NextRequest, { params }: PageProperties) {

if (cover_data) {
for (const [key, cover] of Object.entries(cover_data)) {
if (typeof cover === 'string') {
continue;
}

const awaitedData = await cover;

data.assets.covers[key] = awaitedData.default.src || data['cover'];
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13 changes: 12 additions & 1 deletion blog/buildAssets.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,6 @@ const getCoverImages = async () => {
format,
data,
});

foundImageFile = true;
break;
} catch {
Expand Down Expand Up @@ -175,6 +174,15 @@ const handleCoverImages = async () => {
for (const cover of covers) {
result += ` '${cover.post}': {\n`;

const potatoImage = await sharp(cover.data)
.resize(64, 36)
.webp({
quality: 4,
effort: 6,
alphaQuality: 0,
})
.toBuffer();

for (const settings of COVER_IMG_SETTINGS) {
const { prefix, suffix, width, height, format } = settings;

Expand All @@ -194,6 +202,9 @@ const handleCoverImages = async () => {
format || 'webp'
}') as Promise<{default: StaticImageData}>,\n`;
}
result += ` 'cover-potato': 'data:image/webp;base64,${potatoImage.toString(
'base64'
)}',\n`;

result += ' },\n';
}
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10 changes: 9 additions & 1 deletion blog/src/components/PostPreview.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,10 @@ export const BlogPostPreview = async ({ post, variant }: Properties) => {
})
: undefined;

const potato = Object.keys(covers).includes(post.file)
? covers[post.file as keyof typeof covers]['cover-potato']
: undefined;

const { readingTime } = (await import(
`../../../content/${post.file}/readme.mdx`
)) as {
Expand All @@ -46,8 +50,12 @@ export const BlogPostPreview = async ({ post, variant }: Properties) => {
{cover ? (
<Image
src={cover}
width={1200}
height={600}
className="aspect-cover h-full w-full object-cover"
alt={post.title}
placeholder="blur"
blurDataURL={potato}
/>
) : (
<img
Expand All @@ -59,7 +67,7 @@ export const BlogPostPreview = async ({ post, variant }: Properties) => {
</span>
<span
className={clsx(
'flex h-full flex-col gap-2 p-5 md:p-6 max-h-[200px] my-auto',
'my-auto flex h-full max-h-[200px] flex-col gap-2 p-5 md:p-6',
variant == 'horizontal'
? 'border-t md:border-none'
: 'border-t'
Expand Down
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