46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
import { image_to_avif } from "$lib/server/image";
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import { error } from "@sveltejs/kit";
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import type { RequestHandler } from "./$types";
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/**
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* This route is available at /api/compress.
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* It will return the image as a compressed [avif] [Blob].
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* We need this because [sharp] is a server-side node library.
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*/
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export const POST: RequestHandler = async ({ request }) => {
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console.log("Hit /api/compress...");
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const data: FormData = await request.formData();
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const image: File | undefined = data.has("image") ? (data.get("image") as File) : undefined;
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const width: number | undefined = data.has("width")
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? parseInt(data.get("width")?.toString() ?? "-1")
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: undefined;
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const height: number | undefined = data.has("height")
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? parseInt(data.get("height")?.toString() ?? "-1")
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: undefined;
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const quality: number | undefined = data.has("quality")
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? parseInt(data.get("quality")?.toString() ?? "-1")
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: undefined;
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const effort: number | undefined = data.has("effort")
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? parseInt(data.get("effort")?.toString() ?? "-1")
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: undefined;
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if (!image) {
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error(500, "Can't compress image without image data");
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}
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const compressedImage: Blob = await image_to_avif(
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await image.arrayBuffer(),
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width,
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height,
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quality,
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effort,
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);
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return new Response(compressedImage, {
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headers: {
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"Content-Type": "image/avif",
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},
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});
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};
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