37 lines
820 B
JavaScript
37 lines
820 B
JavaScript
// @ts-check
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import fs from "node:fs";
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import { extname } from "node:path";
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import * as codecs from "@astropub/codecs";
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export async function getImageDetails(path, width, height, aspect) {
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const extension = extname(path).slice(1);
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const imageFormat = extension === "jpeg" ? "jpg" : extension;
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const buffer = fs.readFileSync(path);
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const decodedImage = await codecs.jpg.decode(buffer);
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if (aspect && !width && !height) {
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if (!width && !height) {
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({ width } = decodedImage);
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}
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if (width) {
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height = width / aspect;
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}
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if (height) {
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width = height * aspect;
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}
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}
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const image = await decodedImage.resize({ width, height });
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const { width: imageWidth, height: imageHeight } = image;
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return {
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image,
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imageWidth,
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imageHeight,
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imageFormat,
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};
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}
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