in src/utils/image.ts [114:127]
export async function expandImage(buffer: Buffer): Promise<Buffer> {
const result = await sharp(buffer)
.extend({
top: EXPAND_ACTION_PADDING,
bottom: EXPAND_ACTION_PADDING,
left: EXPAND_ACTION_PADDING,
right: EXPAND_ACTION_PADDING,
background: { r: 0, g: 0, b: 0, alpha: 0 },
})
.resize(DEFAULT_IMAGE_SIZE)
.png()
.toBuffer();
return result;
}