mirror of
https://github.com/jakejarvis/jarv.is.git
synced 2025-04-26 03:25:23 -04:00
238 lines
9.1 KiB
TypeScript
238 lines
9.1 KiB
TypeScript
import { ImageResponse } from "next/og";
|
|
import { notFound } from "next/navigation";
|
|
import { join } from "path";
|
|
import { existsSync } from "fs";
|
|
import { readFile } from "fs/promises";
|
|
import { getSlugs, getFrontMatter } from "../../../lib/helpers/posts";
|
|
import { POSTS_DIR, AVATAR_PATH } from "../../../lib/config/constants";
|
|
|
|
export const contentType = "image/png";
|
|
export const size = {
|
|
// https://developers.facebook.com/docs/sharing/webmasters/images/
|
|
width: 1200,
|
|
height: 630,
|
|
};
|
|
|
|
// generate and cache these images at build-time for each slug, since doing this on-demand is mega slow...
|
|
export const dynamicParams = false;
|
|
|
|
export const generateStaticParams = async () => {
|
|
const slugs = await getSlugs();
|
|
|
|
// map slugs into a static paths object required by next.js
|
|
return slugs.map((slug) => ({
|
|
slug,
|
|
}));
|
|
};
|
|
|
|
const getLocalImage = async (src: string): Promise<ArrayBuffer | string> => {
|
|
// https://stackoverflow.com/questions/5775469/whats-the-valid-way-to-include-an-image-with-no-src/14115340#14115340
|
|
const NO_IMAGE = "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=";
|
|
|
|
const imagePath = join(process.cwd(), src);
|
|
|
|
try {
|
|
if (!existsSync(imagePath)) {
|
|
console.error(`[og-image] couldn't find an image file located at "${imagePath}"`);
|
|
|
|
// return a 1x1 transparent gif if the image doesn't exist instead of crashing
|
|
return NO_IMAGE;
|
|
}
|
|
|
|
// return the raw image data as a buffer
|
|
return Uint8Array.from(await readFile(imagePath)).buffer;
|
|
} catch (error) {
|
|
console.error(`[og-image] found "${imagePath}" but couldn't read it:`, error);
|
|
|
|
// fail silently and return a 1x1 transparent gif instead of crashing
|
|
return NO_IMAGE;
|
|
}
|
|
};
|
|
|
|
const OpenGraphImage = async ({ params }: { params: Promise<{ slug: string }> }) => {
|
|
try {
|
|
const { slug } = await params;
|
|
|
|
// get the post's title and image filename from its frontmatter
|
|
const frontmatter = await getFrontMatter(slug);
|
|
|
|
// template is HEAVILY inspired by https://og-new.clerkstage.dev/
|
|
return new ImageResponse(
|
|
(
|
|
<div
|
|
style={{
|
|
...size,
|
|
display: "flex",
|
|
flexDirection: "column",
|
|
background: "linear-gradient(to top right, rgb(134, 239, 172), rgb(59, 130, 246), rgb(147, 51, 234))",
|
|
}}
|
|
>
|
|
<div
|
|
style={{
|
|
height: "100%",
|
|
width: "100%",
|
|
position: "absolute",
|
|
inset: 0,
|
|
filter: "brightness(100%) contrast(150%)",
|
|
opacity: "0.1",
|
|
backgroundImage: `url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="500" height="500"><filter id="noise" x="0" y="0"><feTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/><feBlend mode="screen"/></filter><rect width="500" height="500" filter="url(#noise)" opacity="1"/></svg>')`,
|
|
backgroundRepeat: "repeat",
|
|
}}
|
|
></div>
|
|
|
|
<div
|
|
style={{
|
|
height: "100%",
|
|
width: "100%",
|
|
position: "absolute",
|
|
opacity: "0.4",
|
|
backgroundImage: `url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><g fill-rule="evenodd" fill="#6b7280" fill-opacity="0.4"><g><path opacity="0.5" d="M96 95h4v1h-4v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4h-9v4h-1v-4H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15v-9H0v-1h15V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h9V0h1v15h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9h4v1h-4v9zm-1 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm9-10v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-10 0v-9h-9v9h9zm-9-10h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9zm10 0h9v-9h-9v9z"/><path d="M6 5V0H5v5H0v1h5v94h1V6h94V5H6z"/></g></g></svg>')`,
|
|
maskImage: "radial-gradient(rgb(0, 0, 0) 0%, rgba(0, 0, 0, 0) 80%)",
|
|
}}
|
|
></div>
|
|
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
paddingTop: "2rem",
|
|
paddingLeft: "2rem",
|
|
}}
|
|
>
|
|
<img
|
|
// @ts-expect-error
|
|
src={await getLocalImage(AVATAR_PATH)}
|
|
alt=""
|
|
style={{
|
|
width: "3rem",
|
|
height: "3rem",
|
|
borderRadius: "0.75rem",
|
|
}}
|
|
/>
|
|
</div>
|
|
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
width: "100%",
|
|
gap: "1.5rem",
|
|
paddingLeft: "2rem",
|
|
}}
|
|
>
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
flexDirection: "column",
|
|
rowGap: "1.5rem",
|
|
flexShrink: 0,
|
|
paddingTop: "2.5rem",
|
|
// don't wrap the title text at 50% if there's no image to leave room for
|
|
width: frontmatter!.image ? "50%" : "100%",
|
|
}}
|
|
>
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
flexGrow: 0,
|
|
}}
|
|
>
|
|
<span
|
|
style={{
|
|
fontFamily: "Geist-Regular",
|
|
fontWeight: 400,
|
|
fontSize: "20px",
|
|
color: "#030712",
|
|
border: "solid",
|
|
borderRadius: "100",
|
|
borderWidth: "2px",
|
|
paddingRight: "16px",
|
|
paddingLeft: "16px",
|
|
paddingTop: "5px",
|
|
paddingBottom: "5px",
|
|
}}
|
|
>
|
|
Notes
|
|
</span>
|
|
</div>
|
|
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
flexGrow: 0,
|
|
fontFamily: "Geist-SemiBold",
|
|
fontWeight: 700,
|
|
fontSize: "48px",
|
|
color: "#030712",
|
|
letterSpacing: "-0.025em",
|
|
lineHeight: "1.2",
|
|
}}
|
|
>
|
|
{frontmatter!.title}
|
|
</div>
|
|
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
flexGrow: 0,
|
|
fontFamily: "Geist-Regular",
|
|
fontWeight: 400,
|
|
fontSize: "24px",
|
|
color: "#030712",
|
|
letterSpacing: "-0.025em",
|
|
lineHeight: "1.2",
|
|
}}
|
|
>
|
|
{new Date(frontmatter!.date).toLocaleDateString("en-US", {
|
|
year: "numeric",
|
|
month: "long",
|
|
day: "numeric",
|
|
})}
|
|
</div>
|
|
</div>
|
|
|
|
{frontmatter!.image && (
|
|
<div
|
|
style={{
|
|
display: "flex",
|
|
width: "100%", // only 50% in reality, but this gives the image the overflow look
|
|
flexGrow: 0,
|
|
}}
|
|
>
|
|
<img
|
|
// @ts-expect-error
|
|
src={await getLocalImage(`${POSTS_DIR}/${slug}/${frontmatter!.image}`)}
|
|
alt=""
|
|
style={{ borderRadius: "0.75rem" }}
|
|
/>
|
|
</div>
|
|
)}
|
|
</div>
|
|
</div>
|
|
),
|
|
{
|
|
...size,
|
|
fonts: [
|
|
{
|
|
name: "Geist-Regular",
|
|
// load the Geist font directly from its npm package
|
|
// IMPORTANT: include this exact path in next.config.ts under "outputFileTracingIncludes"
|
|
data: await readFile(join(process.cwd(), "node_modules/geist/dist/fonts/geist-sans/Geist-Regular.ttf")),
|
|
style: "normal",
|
|
weight: 400,
|
|
},
|
|
{
|
|
name: "Geist-SemiBold",
|
|
data: await readFile(join(process.cwd(), "node_modules/geist/dist/fonts/geist-sans/Geist-SemiBold.ttf")),
|
|
style: "normal",
|
|
weight: 700,
|
|
},
|
|
],
|
|
}
|
|
);
|
|
} catch (error) {
|
|
console.error("[og-image] error generating image:", error);
|
|
notFound();
|
|
}
|
|
};
|
|
|
|
export default OpenGraphImage;
|