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feat: add fitting querystring parameter
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Nicola Zambello 2025-03-10 09:24:20 +02:00
parent 654b8b5e64
commit e2a2614123
Signed by: nzambello
GPG key ID: 0A7E9D12831FAAF9
3 changed files with 18 additions and 7 deletions
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3
README.md
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@ -24,6 +24,9 @@ Then call the API as, for example:
You can also specify a format using the querystring `?format=` and indicating one of the following: `avif`, `gif`, `heif`, `jpeg`, `jpg`, `pdf`, `png`, `svg`, `tiff`, `webp`. (Note: Experimental!)
Another querystring parameter is `fit` which can be `cover`, `contain`, `fill`, `inside`, `outside` (Ref: [sharp](https://sharp.pixelplumbing.com/api-resize#resize)). Default is `inside`.
## Docker
To build the Docker image:

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22
index.ts
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@ -89,6 +89,7 @@ const homepage = html`
<p>Then call the API as, for example:</p>
<p><pre>/api/imgresize/200/200/https%3A%2F%2Fmemori.ai%2Flogo.png</pre></p>
<p>You can also specify a format using the querystring <code>?format=</code> and indicating one of the following: avif, gif, heif, jpeg, jpg, jp2, pdf, png, svg, tiff, webp. Note: Experimental!</p>
<p>Another querystring parameter is <code>?fit=</code> which can be one of the following: cover, contain, fill, inside, outside (Ref: <a href="https://sharp.pixelplumbing.com/api-resize#resize" rel="noopener noreferrer" target="_blank">sharp docs</a>). Default is <code>inside</code>.</p>
</article>
</main>
</body>
@ -128,7 +129,18 @@ app.post("/api/preview", async (c) => {
app.get("/api/imgresize/:width/:height/:url", async (c) => {
const { width, height, url } = c.req.param();
const format = c.req.query("format");
const fmtParam = c.req.query("format");
const fitParam = c.req.query("fit");
const format =
fmtParam &&
sharp.format[fmtParam as keyof typeof sharp.format] !== undefined
? sharp.format[fmtParam as keyof typeof sharp.format]
: sharp.format.jpeg;
const fit =
fitParam && sharp.fit[fitParam as keyof typeof sharp.fit] !== undefined
? sharp.fit[fitParam as keyof typeof sharp.fit]
: sharp.fit.inside;
c.header("Cache-Control", "s-maxage=31536000, stale-while-revalidate");
c.header("Content-Type", `image/jpeg`);
@ -148,14 +160,10 @@ app.get("/api/imgresize/:width/:height/:url", async (c) => {
.resize({
width: w,
height: h,
fit: sharp.fit.inside,
fit: fit,
withoutEnlargement: true,
})
.toFormat(
format && sharp.format[format as keyof typeof sharp.format] !== undefined
? sharp.format[format as keyof typeof sharp.format]
: sharp.format.jpeg
)
.toFormat(format)
.toBuffer();
c.status(200);