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Code Issues Packages Projects Releases 3 Wiki Activity

Send WebP attachments untouched unless over 2048px

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Oversized WebPs are now scaled to a 2048px longest edge at 0.94 quality
instead of being sent at full size.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
multipleof4
2026-10-14 18:10:33 +00:00
co-authored by Claude Opus 5.5
parent 9cf42f8565
commit 270fbe3615
2 changed files with 4 additions and 3 deletions
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src/attachments.js
+1 -1
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@@ -7,7 +7,7 @@ export async function toAttach(file, opts) {
const name = file.name || 'file', mime = (file.type || 'application/octet-stream').toLowerCase();
if (isVideo(name, mime)) return compressVideo(file, opts);
if (/^image\//.test(mime) || /\.(png|jpe?g|webp|gif)$/i.test(name)) {
const data = mime === 'image/webp' || /\.webp$/i.test(name) ? await asDataURL(file) : await imgToWebp(file, 2048, 94);
const data = await imgToWebp(file, 2048, 94, mime === 'image/webp' || /\.webp$/i.test(name));
return { type: 'image_url', image_url: { url: data } };
}
if (mime === 'application/pdf' || /\.pdf$/i.test(name)) {
src/utils.js
+3 -2
View File
@@ -16,12 +16,13 @@ export const fmtSize = b => {
return (x >= 10 ? Math.round(x) : Math.round(x * 10) / 10) + ' ' + u[i];
};
export const asDataURL = f => new Promise(r => { const fr = new FileReader(); fr.onload = () => r(String(fr.result || '')); fr.readAsDataURL(f); });
export const imgToWebp = (f, D = 96, q = 75) => new Promise((r, j) => {
export const imgToWebp = (f, D = 96, q = 75, k) => new Promise((r, j) => {
if (!f) return j();
const i = new Image;
i.onload = () => {
const c = document.createElement('canvas'), x = c.getContext('2d');
let w = i.width, h = i.height;
if (k && Math.max(w, h) <= D) return URL.revokeObjectURL(i.src), r(asDataURL(f));
const c = document.createElement('canvas'), x = c.getContext('2d');
if (D > 0 && Math.max(w, h) > D) w > h ? (h = D * h / w, w = D) : (w = D * w / h, h = D);
c.width = w; c.height = h; x.drawImage(i, 0, 0, w, h);
r(c.toDataURL('image/webp', clamp(q, 0, 100) / 100));